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add two new plugins

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MX
2022-10-20 21:02:27 +03:00
parent f8f7c2b895
commit 120a74ee1a
15 changed files with 2729 additions and 5 deletions
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45
applications/plugins/flipper_i2ctools/README.md Normal file
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# flipperzero-i2ctools
[Original link](https://github.com/NaejEL/flipperzero-i2ctools)
Set of i2c tools for Flipper Zero
## Wiring
C0 -> SCL
C1 -> SDA
GND -> GND
>/!\ Target must use 3v3 logic levels. If you not sure use an i2c isolator like ISO1541
## Tools
### Scanner
Look for i2c peripherals adresses
### Sniffer
Spy i2c traffic
### Sender
Send command to i2c peripherals and read result
### Player
> Not implemented yet
Send command from file
## TODO
- [ ] Read more than 2 bytes in sender mode
- [ ] Save records
- [ ] Play from files
- [ ] Kicad module
- [ ] Improve UI
- [ ] Refactor Menu Management Code
- [ ] Add Documentation

12
applications/plugins/flipper_i2ctools/application.fam Normal file
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App(
appid="i2cTools",
name="[GPIO] i2c Tools",
apptype=FlipperAppType.EXTERNAL,
entry_point="i2ctools_app",
cdefines=["APP_I2CTOOLS"],
requires=["gui"],
stack_size=2 * 1024,
order=175,
fap_icon="i2ctools.png",
fap_category="GPIO",
)

650
applications/plugins/flipper_i2ctools/i2ctools.c Normal file
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#include <furi.h>
#include <furi_hal.h>
#include <gui/gui.h>
#include <input/input.h>
#include <notification/notification.h>
#include <notification/notification_messages.h>
#define MAX_I2C_ADDR 0x7F
#define APP_NAME "I2C Tools"
#define SCAN_MENU_TEXT "Scan"
#define SCAN_MENU_X 75
#define SCAN_MENU_Y 6
#define SNIFF_MENU_TEXT "Sniff"
#define SNIFF_MENU_X 75
#define SNIFF_MENU_Y 20
#define SEND_MENU_TEXT "Send"
#define SEND_MENU_X 75
#define SEND_MENU_Y 34
#define PLAY_MENU_TEXT "Play"
#define PLAY_MENU_X 75
#define PLAY_MENU_Y 48
// Sniffer Pins
#define pinSCL &gpio_ext_pc0
#define pinSDA &gpio_ext_pc1
// I2C BUS
#define I2C_BUS &furi_hal_i2c_handle_external
typedef enum {
MAIN_VIEW,
SCAN_VIEW,
SNIFF_VIEW,
SEND_VIEW,
//PLAY_VIEW,
/* Know menu Size*/
MENU_SIZE
} i2cToolsMainMenu;
// Bus Sniffer
typedef enum { I2C_BUS_IDLE, I2C_BUS_STARTED } i2cBusStates;
#define MAX_FRAMES 32
typedef struct {
uint8_t data[MAX_FRAMES];
bool ack[MAX_FRAMES];
uint8_t bit_index;
uint8_t data_index;
} i2cFrame;
typedef struct {
bool started;
bool first;
i2cBusStates state;
i2cFrame frames[MAX_FRAMES];
uint8_t frame_index;
uint8_t menu_index;
} _sniffer;
// Bus scanner
typedef struct {
uint8_t addresses[MAX_I2C_ADDR + 1];
uint8_t found;
uint8_t menu_index;
bool scanned;
} _scanner;
// Sender
typedef struct {
uint8_t address_idx;
uint8_t value;
uint8_t recv[2];
bool must_send;
bool sended;
bool error;
} _sender;
typedef struct {
ViewPort* view_port;
i2cToolsMainMenu current_menu;
NotificationApp* notifications; // Used to blink LED
uint8_t main_menu_index;
_scanner scanner;
_sniffer sniffer;
_sender sender;
} i2cToolsData;
void scan_i2c_bus(i2cToolsData* data) {
data->scanner.found = 0;
data->scanner.scanned = true;
furi_hal_i2c_acquire(I2C_BUS);
// scan
for(uint8_t addr = 0x01; addr < MAX_I2C_ADDR; addr++) {
// Check for peripherals
if(furi_hal_i2c_is_device_ready(I2C_BUS, addr, 2)) {
// skip even 8-bit addr
if(addr % 2 != 0) {
continue;
}
// convert addr to 7-bits
data->scanner.addresses[data->scanner.found] = addr >> 1;
data->scanner.found++;
}
}
furi_hal_i2c_release(I2C_BUS);
}
void i2ctools_draw_main_menu(Canvas* canvas, i2cToolsData* data) {
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, 0, 0, 128, 64, 3);
canvas_draw_icon(canvas, 2, 13, &I_passport_bad3_46x49);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 3, 3, AlignLeft, AlignTop, APP_NAME);
switch(data->main_menu_index) {
case 0:
canvas_set_color(canvas, ColorBlack);
canvas_draw_str_aligned(
canvas, SNIFF_MENU_X, SNIFF_MENU_Y, AlignLeft, AlignTop, SNIFF_MENU_TEXT);
canvas_draw_str_aligned(
canvas, SEND_MENU_X, SEND_MENU_Y, AlignLeft, AlignTop, SEND_MENU_TEXT);
/*canvas_draw_str_aligned(
canvas, PLAY_MENU_X, PLAY_MENU_Y, AlignLeft, AlignTop, PLAY_MENU_TEXT);*/
canvas_draw_rbox(canvas, 60, SCAN_MENU_Y - 2, 60, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(
canvas, SCAN_MENU_X, SCAN_MENU_Y, AlignLeft, AlignTop, SCAN_MENU_TEXT);
break;
case 1:
canvas_set_color(canvas, ColorBlack);
canvas_draw_str_aligned(
canvas, SCAN_MENU_X, SCAN_MENU_Y, AlignLeft, AlignTop, SCAN_MENU_TEXT);
canvas_draw_str_aligned(
canvas, SEND_MENU_X, SEND_MENU_Y, AlignLeft, AlignTop, SEND_MENU_TEXT);
/*canvas_draw_str_aligned(
canvas, PLAY_MENU_X, PLAY_MENU_Y, AlignLeft, AlignTop, PLAY_MENU_TEXT);*/
canvas_draw_rbox(canvas, 60, SNIFF_MENU_Y - 2, 60, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(
canvas, SNIFF_MENU_X, SNIFF_MENU_Y, AlignLeft, AlignTop, SNIFF_MENU_TEXT);
break;
case 2:
canvas_set_color(canvas, ColorBlack);
canvas_draw_str_aligned(
canvas, SCAN_MENU_X, SCAN_MENU_Y, AlignLeft, AlignTop, SCAN_MENU_TEXT);
canvas_draw_str_aligned(
canvas, SNIFF_MENU_X, SNIFF_MENU_Y, AlignLeft, AlignTop, SNIFF_MENU_TEXT);
/*canvas_draw_str_aligned(
canvas, PLAY_MENU_X, PLAY_MENU_Y, AlignLeft, AlignTop, PLAY_MENU_TEXT);*/
canvas_draw_rbox(canvas, 60, SEND_MENU_Y - 2, 60, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(
canvas, SEND_MENU_X, SEND_MENU_Y, AlignLeft, AlignTop, SEND_MENU_TEXT);
break;
case 3:
canvas_set_color(canvas, ColorBlack);
canvas_draw_str_aligned(
canvas, SCAN_MENU_X, SCAN_MENU_Y, AlignLeft, AlignTop, SCAN_MENU_TEXT);
canvas_draw_str_aligned(
canvas, SNIFF_MENU_X, SNIFF_MENU_Y, AlignLeft, AlignTop, SNIFF_MENU_TEXT);
canvas_draw_str_aligned(
canvas, SEND_MENU_X, SEND_MENU_Y, AlignLeft, AlignTop, SEND_MENU_TEXT);
canvas_draw_rbox(canvas, 60, PLAY_MENU_Y - 2, 60, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(
canvas, PLAY_MENU_X, PLAY_MENU_Y, AlignLeft, AlignTop, PLAY_MENU_TEXT);
break;
default:
break;
}
}
void clearSnifferBuffers(void* ctx) {
i2cToolsData* data = ctx;
for(uint8_t i = 0; i < MAX_FRAMES; i++) {
for(uint8_t j = 0; j < MAX_FRAMES; j++) {
data->sniffer.frames[i].ack[j] = false;
data->sniffer.frames[i].data[j] = 0;
}
data->sniffer.frames[i].bit_index = 0;
data->sniffer.frames[i].data_index = 0;
}
data->sniffer.frame_index = 0;
data->sniffer.state = I2C_BUS_IDLE;
data->sniffer.first = true;
}
// Called on Fallin/Rising SDA
// Used to monitor i2c bus state
static void SDAcallback(void* ctx) {
i2cToolsData* data = ctx;
// SCL is low maybe cclock strecching
if(furi_hal_gpio_read(pinSCL) == false) {
return;
}
// Check for stop condition: SDA rising while SCL is High
if(data->sniffer.state == I2C_BUS_STARTED) {
if(furi_hal_gpio_read(pinSDA) == true) {
data->sniffer.state = I2C_BUS_IDLE;
view_port_update(data->view_port);
}
}
// Check for start condition: SDA falling while SCL is high
else if(furi_hal_gpio_read(pinSDA) == false) {
data->sniffer.state = I2C_BUS_STARTED;
if(data->sniffer.first) {
data->sniffer.first = false;
return;
}
data->sniffer.frame_index++;
if(data->sniffer.frame_index >= MAX_FRAMES) {
clearSnifferBuffers(ctx);
}
}
return;
}
// Called on Rising SCL
// Used to read bus datas
static void SCLcallback(void* ctx) {
i2cToolsData* data = ctx;
if(data->sniffer.state == I2C_BUS_IDLE) {
return;
}
uint8_t frame = data->sniffer.frame_index;
uint8_t bit = data->sniffer.frames[frame].bit_index;
uint8_t data_idx = data->sniffer.frames[frame].data_index;
if(bit < 8) {
data->sniffer.frames[frame].data[data_idx] <<= 1;
data->sniffer.frames[frame].data[data_idx] |= (int)furi_hal_gpio_read(pinSDA);
data->sniffer.frames[frame].bit_index++;
} else {
data->sniffer.frames[frame].ack[data_idx] = !furi_hal_gpio_read(pinSDA);
data->sniffer.frames[frame].data_index++;
data->sniffer.frames[frame].bit_index = 0;
}
}
void start_interrupts(i2cToolsData* data) {
furi_hal_gpio_init(pinSCL, GpioModeInterruptRise, GpioPullNo, GpioSpeedHigh);
furi_hal_gpio_add_int_callback(pinSCL, SCLcallback, data);
// Add Rise and Fall Interrupt on SDA pin
furi_hal_gpio_init(pinSDA, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedHigh);
furi_hal_gpio_add_int_callback(pinSDA, SDAcallback, data);
}
void stop_interrupts() {
furi_hal_gpio_remove_int_callback(pinSCL);
furi_hal_gpio_remove_int_callback(pinSDA);
}
void i2ctools_draw_sniff_view(Canvas* canvas, i2cToolsData* data) {
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, 0, 0, 128, 64, 3);
canvas_draw_icon(canvas, 2, 13, &I_passport_happy2_46x49);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 3, 3, AlignLeft, AlignTop, SNIFF_MENU_TEXT);
canvas_set_font(canvas, FontSecondary);
// Button
canvas_draw_rbox(canvas, 70, 48, 45, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_icon(canvas, 75, 50, &I_Ok_btn_9x9);
if(!data->sniffer.started) {
canvas_draw_str_aligned(canvas, 85, 51, AlignLeft, AlignTop, "Start");
} else {
canvas_draw_str_aligned(canvas, 85, 51, AlignLeft, AlignTop, "Stop");
}
canvas_set_color(canvas, ColorBlack);
// Address text
char addr_text[8];
snprintf(
addr_text,
sizeof(addr_text),
"0x%02x",
(int)(data->sniffer.frames[data->sniffer.menu_index].data[0] >> 1));
canvas_draw_str_aligned(canvas, 50, 3, AlignLeft, AlignTop, "Addr: ");
canvas_draw_str_aligned(canvas, 75, 3, AlignLeft, AlignTop, addr_text);
// R/W
if((int)(data->sniffer.frames[data->sniffer.menu_index].data[0]) % 2 == 0) {
canvas_draw_str_aligned(canvas, 105, 3, AlignLeft, AlignTop, "W");
} else {
canvas_draw_str_aligned(canvas, 105, 3, AlignLeft, AlignTop, "R");
}
// nbFrame text
canvas_draw_str_aligned(canvas, 50, 13, AlignLeft, AlignTop, "Frames: ");
snprintf(addr_text, sizeof(addr_text), "%d", (int)data->sniffer.menu_index + 1);
canvas_draw_str_aligned(canvas, 90, 13, AlignLeft, AlignTop, addr_text);
canvas_draw_str_aligned(canvas, 100, 13, AlignLeft, AlignTop, "/");
snprintf(addr_text, sizeof(addr_text), "%d", (int)data->sniffer.frame_index + 1);
canvas_draw_str_aligned(canvas, 110, 13, AlignLeft, AlignTop, addr_text);
// Frames content
uint8_t x_pos = 0;
uint8_t y_pos = 23;
for(uint8_t i = 1; i < data->sniffer.frames[data->sniffer.menu_index].data_index; i++) {
snprintf(
addr_text,
sizeof(addr_text),
"0x%02x",
(int)data->sniffer.frames[data->sniffer.menu_index].data[i]);
x_pos = 50 + (i - 1) * 35;
canvas_draw_str_aligned(canvas, x_pos, y_pos, AlignLeft, AlignTop, addr_text);
if(data->sniffer.frames[data->sniffer.menu_index].ack[i]) {
canvas_draw_str_aligned(canvas, x_pos + 24, y_pos, AlignLeft, AlignTop, "A");
} else {
canvas_draw_str_aligned(canvas, x_pos + 24, y_pos, AlignLeft, AlignTop, "N");
}
}
}
void i2ctools_draw_record_view(Canvas* canvas, i2cToolsData* data) {
UNUSED(data);
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, 0, 0, 128, 64, 3);
canvas_draw_icon(canvas, 2, 13, &I_passport_happy2_46x49);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 3, 3, AlignLeft, AlignTop, PLAY_MENU_TEXT);
}
void i2ctools_draw_send_view(Canvas* canvas, i2cToolsData* data) {
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, 0, 0, 128, 64, 3);
canvas_draw_icon(canvas, 2, 13, &I_passport_happy2_46x49);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 3, 3, AlignLeft, AlignTop, SEND_MENU_TEXT);
if(!data->scanner.scanned) {
scan_i2c_bus(data);
}
canvas_set_font(canvas, FontSecondary);
if(data->scanner.found <= 0) {
canvas_draw_str_aligned(canvas, 60, 5, AlignLeft, AlignTop, "No peripherals");
canvas_draw_str_aligned(canvas, 60, 15, AlignLeft, AlignTop, "Found");
return;
}
canvas_draw_rbox(canvas, 70, 48, 45, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_icon(canvas, 75, 50, &I_Ok_btn_9x9);
canvas_draw_str_aligned(canvas, 85, 51, AlignLeft, AlignTop, "Send");
canvas_set_color(canvas, ColorBlack);
canvas_draw_str_aligned(canvas, 50, 5, AlignLeft, AlignTop, "Addr: ");
canvas_draw_icon(canvas, 80, 5, &I_ButtonLeft_4x7);
canvas_draw_icon(canvas, 115, 5, &I_ButtonRight_4x7);
char addr_text[8];
snprintf(
addr_text,
sizeof(addr_text),
"0x%02x",
(int)data->scanner.addresses[data->sender.address_idx]);
canvas_draw_str_aligned(canvas, 90, 5, AlignLeft, AlignTop, addr_text);
canvas_draw_str_aligned(canvas, 50, 15, AlignLeft, AlignTop, "Value: ");
canvas_draw_icon(canvas, 80, 17, &I_ButtonUp_7x4);
canvas_draw_icon(canvas, 115, 17, &I_ButtonDown_7x4);
snprintf(addr_text, sizeof(addr_text), "0x%02x", (int)data->sender.value);
canvas_draw_str_aligned(canvas, 90, 15, AlignLeft, AlignTop, addr_text);
if(data->sender.must_send) {
furi_hal_i2c_acquire(&furi_hal_i2c_handle_external);
data->sender.error = furi_hal_i2c_trx(
&furi_hal_i2c_handle_external,
data->scanner.addresses[data->sender.address_idx] << 1,
&data->sender.value,
1,
data->sender.recv,
sizeof(data->sender.recv),
3);
furi_hal_i2c_release(&furi_hal_i2c_handle_external);
data->sender.must_send = false;
data->sender.sended = true;
}
canvas_draw_str_aligned(canvas, 50, 25, AlignLeft, AlignTop, "Result: ");
if(data->sender.sended) {
//if(data->sender.error) {
for(uint8_t i = 0; i < sizeof(data->sender.recv); i++) {
snprintf(addr_text, sizeof(addr_text), "0x%02x", (int)data->sender.recv[i]);
canvas_draw_str_aligned(canvas, 90, 25 + (i * 10), AlignLeft, AlignTop, addr_text);
}
/*
} else {
canvas_draw_str_aligned(canvas, 90, 25, AlignLeft, AlignTop, "Error");
}*/
}
}
void i2ctools_draw_scan_view(Canvas* canvas, i2cToolsData* data) {
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, 0, 0, 128, 64, 3);
canvas_draw_icon(canvas, 2, 13, &I_passport_happy3_46x49);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 3, 3, AlignLeft, AlignTop, SCAN_MENU_TEXT);
char count_text[46];
char count_text_fmt[] = "Found: %d";
canvas_set_font(canvas, FontSecondary);
snprintf(count_text, sizeof(count_text), count_text_fmt, (int)data->scanner.found);
canvas_draw_str_aligned(canvas, 50, 3, AlignLeft, AlignTop, count_text);
uint8_t x_pos = 0;
uint8_t y_pos = 0;
uint8_t idx_to_print = 0;
for(uint8_t i = 0; i < (int)data->scanner.found; i++) {
idx_to_print = i + data->scanner.menu_index * 3;
if(idx_to_print >= MAX_I2C_ADDR) {
break;
}
snprintf(
count_text, sizeof(count_text), "0x%02x ", (int)data->scanner.addresses[idx_to_print]);
if(i < 3) {
x_pos = 50 + (i * 26);
y_pos = 15;
} else if(i < 6) {
x_pos = 50 + ((i - 3) * 26);
y_pos = 25;
} else if(i < 9) {
x_pos = 50 + ((i - 6) * 26);
y_pos = 35;
} else if(i < 12) {
x_pos = 50 + ((i - 9) * 26);
y_pos = 45;
} else if(i < 15) {
x_pos = 50 + ((i - 12) * 26);
y_pos = 55;
} else {
break;
}
canvas_draw_str_aligned(canvas, x_pos, y_pos, AlignLeft, AlignTop, count_text);
}
// Right cursor
y_pos = 14 + data->scanner.menu_index;
canvas_draw_rbox(canvas, 125, y_pos, 3, 10, 1);
// Button
canvas_draw_rbox(canvas, 70, 48, 45, 13, 3);
canvas_set_color(canvas, ColorWhite);
canvas_draw_icon(canvas, 75, 50, &I_Ok_btn_9x9);
canvas_draw_str_aligned(canvas, 85, 51, AlignLeft, AlignTop, "Scan");
}
void i2ctools_draw_callback(Canvas* canvas, void* ctx) {
i2cToolsData* i2c_addr = acquire_mutex((ValueMutex*)ctx, 25);
switch(i2c_addr->current_menu) {
case MAIN_VIEW:
i2ctools_draw_main_menu(canvas, i2c_addr);
break;
case SCAN_VIEW:
i2ctools_draw_scan_view(canvas, i2c_addr);
break;
case SNIFF_VIEW:
i2ctools_draw_sniff_view(canvas, i2c_addr);
break;
case SEND_VIEW:
i2ctools_draw_send_view(canvas, i2c_addr);
break;
/*case PLAY_VIEW:
i2ctools_draw_record_view(canvas, i2c_addr);
break;*/
default:
break;
}
release_mutex((ValueMutex*)ctx, i2c_addr);
}
void i2ctools_input_callback(InputEvent* input_event, void* ctx) {
furi_assert(ctx);
FuriMessageQueue* event_queue = ctx;
furi_message_queue_put(event_queue, input_event, FuriWaitForever);
}
int32_t i2ctools_app(void* p) {
UNUSED(p);
FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(InputEvent));
i2cToolsData* i2caddrs = malloc(sizeof(i2cToolsData));
ValueMutex i2caddrs_mutex;
if(!init_mutex(&i2caddrs_mutex, i2caddrs, sizeof(i2cToolsData))) {
FURI_LOG_E(APP_NAME, "cannot create mutex\r\n");
free(i2caddrs);
return -1;
}
printf(APP_NAME);
printf("\r\n");
// i2caddrs->notifications = furi_record_open(RECORD_NOTIFICATION);
i2caddrs->view_port = view_port_alloc();
view_port_draw_callback_set(i2caddrs->view_port, i2ctools_draw_callback, &i2caddrs_mutex);
view_port_input_callback_set(i2caddrs->view_port, i2ctools_input_callback, event_queue);
// Register view port in GUI
Gui* gui = furi_record_open(RECORD_GUI);
gui_add_view_port(gui, i2caddrs->view_port, GuiLayerFullscreen);
InputEvent event;
clearSnifferBuffers(i2caddrs);
i2caddrs->sniffer.started = false;
i2caddrs->sniffer.menu_index = 0;
i2caddrs->scanner.menu_index = 0;
i2caddrs->scanner.scanned = false;
i2caddrs->sender.must_send = false;
i2caddrs->sender.sended = false;
while(furi_message_queue_get(event_queue, &event, FuriWaitForever) == FuriStatusOk) {
if(event.key == InputKeyBack && event.type == InputTypeRelease) {
if(i2caddrs->current_menu == MAIN_VIEW) {
break;
} else {
if(i2caddrs->current_menu == SNIFF_VIEW) {
stop_interrupts();
i2caddrs->sniffer.started = false;
i2caddrs->sniffer.state = I2C_BUS_IDLE;
}
i2caddrs->current_menu = MAIN_VIEW;
}
} else if(event.key == InputKeyUp && event.type == InputTypeRelease) {
if(i2caddrs->current_menu == MAIN_VIEW) {
if(i2caddrs->main_menu_index > 0) {
i2caddrs->main_menu_index--;
}
} else if(i2caddrs->current_menu == SCAN_VIEW) {
if(i2caddrs->scanner.menu_index > 0) {
i2caddrs->scanner.menu_index--;
}
} else if(i2caddrs->current_menu == SEND_VIEW) {
if(i2caddrs->sender.value < 0xFF) {
i2caddrs->sender.value++;
i2caddrs->sender.sended = false;
}
}
} else if(
event.key == InputKeyUp &&
(event.type == InputTypeLong || event.type == InputTypeRepeat)) {
if(i2caddrs->current_menu == SEND_VIEW) {
if(i2caddrs->sender.value < 0xF9) {
i2caddrs->sender.value += 5;
i2caddrs->sender.sended = false;
}
}
} else if(event.key == InputKeyDown && event.type == InputTypeRelease) {
if(i2caddrs->current_menu == MAIN_VIEW) {
if(i2caddrs->main_menu_index < 2) {
i2caddrs->main_menu_index++;
}
} else if(i2caddrs->current_menu == SCAN_VIEW) {
if(i2caddrs->scanner.menu_index < ((int)i2caddrs->scanner.found / 3)) {
i2caddrs->scanner.menu_index++;
}
} else if(i2caddrs->current_menu == SEND_VIEW) {
if(i2caddrs->sender.value > 0x00) {
i2caddrs->sender.value--;
i2caddrs->sender.sended = false;
}
}
} else if(event.key == InputKeyDown && event.type == InputTypeLong) {
if(i2caddrs->current_menu == SEND_VIEW) {
if(i2caddrs->sender.value > 0x05) {
i2caddrs->sender.value -= 5;
i2caddrs->sender.sended = false;
}
}
} else if(event.key == InputKeyOk && event.type == InputTypeRelease) {
if(i2caddrs->current_menu == MAIN_VIEW) {
if(i2caddrs->main_menu_index == 0) {
scan_i2c_bus(i2caddrs);
i2caddrs->current_menu = SCAN_VIEW;
} else if(i2caddrs->main_menu_index == 1) {
i2caddrs->current_menu = SNIFF_VIEW;
} else if(i2caddrs->main_menu_index == 2) {
i2caddrs->current_menu = SEND_VIEW;
} /*else if(i2caddrs->main_menu_index == 3) {
i2caddrs->current_menu = PLAY_VIEW;
}*/
} else if(i2caddrs->current_menu == SCAN_VIEW) {
scan_i2c_bus(i2caddrs);
} else if(i2caddrs->current_menu == SEND_VIEW) {
i2caddrs->sender.must_send = true;
} else if(i2caddrs->current_menu == SNIFF_VIEW) {
if(i2caddrs->sniffer.started) {
stop_interrupts();
i2caddrs->sniffer.started = false;
i2caddrs->sniffer.state = I2C_BUS_IDLE;
} else {
start_interrupts(i2caddrs);
i2caddrs->sniffer.started = true;
i2caddrs->sniffer.state = I2C_BUS_IDLE;
}
}
} else if(event.key == InputKeyRight && event.type == InputTypeRelease) {
if(i2caddrs->current_menu == SEND_VIEW) {
if(i2caddrs->sender.address_idx < (i2caddrs->scanner.found - 1)) {
i2caddrs->sender.address_idx++;
i2caddrs->sender.sended = false;
}
} else if(i2caddrs->current_menu == SNIFF_VIEW) {
if(i2caddrs->sniffer.menu_index < i2caddrs->sniffer.frame_index) {
i2caddrs->sniffer.menu_index++;
}
}
} else if(event.key == InputKeyLeft && event.type == InputTypeRelease) {
if(i2caddrs->current_menu == SEND_VIEW) {
if(i2caddrs->sender.address_idx > 0) {
i2caddrs->sender.address_idx--;
i2caddrs->sender.sended = false;
}
} else if(i2caddrs->current_menu == SNIFF_VIEW) {
if(i2caddrs->sniffer.menu_index > 0) {
i2caddrs->sniffer.menu_index--;
}
}
}
view_port_update(i2caddrs->view_port);
}
gui_remove_view_port(gui, i2caddrs->view_port);
view_port_free(i2caddrs->view_port);
furi_message_queue_free(event_queue);
free(i2caddrs);
//furi_record_close(RECORD_NOTIFICATION);
furi_record_close(RECORD_GUI);
return 0;
}

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# Prerequisites
*.d
# Object files
*.o
*.ko
*.obj
*.elf
# Linker output
*.ilk
*.map
*.exp
# Precompiled Headers
*.gch
*.pch
# Libraries
*.lib
*.a
*.la
*.lo
# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib
# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex
# Debug files
*.dSYM/
*.su
*.idb
*.pdb
# Kernel Module Compile Results
*.mod*
*.cmd
.tmp_versions/
modules.order
Module.symvers
Mkfile.old
dkms.conf

674
applications/plugins/gps_nmea_uart/LICENSE Normal file
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@@ -0,0 +1,674 @@
GNU GENERAL PUBLIC LICENSE
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GNU General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

21
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# GPS for Flipper Zero
[Original link](https://github.com/ezod/flipperzero-gps)
A simple Flipper Zero application for NMEA 0183 serial GPS modules, such as the [Adafruit Ultimate GPS Breakout].
Heavy lifting (NMEA parsing) provided by [minmea], which is included in this repository.
## Hardware Setup
Connect the GPS module to power and the USART using GPIO pins 9 (3.3V), 11 (GND), 13 (TX), and 14 (RX), as appropriate.
## Building the FAP
1. Clone the [flipperzero-firmware] repository.
2. Create a symbolic link in `applications_user` named `gps`, pointing to this repository.
3. Compile with `./fbt fap_gps`. This will create the `gps.fap` binary.
[Adafruit Ultimate GPS Breakout]: https://www.adafruit.com/product/746
[minmea]: https://github.com/kosma/minmea
[flipperzero-firmware]: https://github.com/flipperdevices/flipperzero-firmware

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applications/plugins/gps_nmea_uart/application.fam Normal file
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App(
appid="gps_nmea",
name="[NMEA] GPS",
apptype=FlipperAppType.EXTERNAL,
entry_point="gps_app",
cdefines=["APP_GPS"],
requires=["gui"],
stack_size=1 * 1024,
order=35,
fap_icon="gps_10px.png",
fap_category="GPIO",
)

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applications/plugins/gps_nmea_uart/gps.c Normal file
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#include "gps_uart.h"
#include <furi.h>
#include <gui/gui.h>
#include <string.h>
typedef enum {
EventTypeTick,
EventTypeKey,
} EventType;
typedef struct {
EventType type;
InputEvent input;
} PluginEvent;
static void render_callback(Canvas* const canvas, void* context) {
const GpsUart* gps_uart = acquire_mutex((ValueMutex*)context, 25);
if(gps_uart == NULL) {
return;
}
canvas_set_font(canvas, FontSecondary);
char buffer[64];
snprintf(buffer, 64, "LAT: %f", (double)gps_uart->status.latitude);
canvas_draw_str_aligned(canvas, 10, 10, AlignLeft, AlignBottom, buffer);
snprintf(buffer, 64, "LON: %f", (double)gps_uart->status.longitude);
canvas_draw_str_aligned(canvas, 10, 20, AlignLeft, AlignBottom, buffer);
snprintf(
buffer,
64,
"C/S: %.1f / %.2fkn",
(double)gps_uart->status.course,
(double)gps_uart->status.speed);
canvas_draw_str_aligned(canvas, 10, 30, AlignLeft, AlignBottom, buffer);
snprintf(
buffer,
64,
"ALT: %.1f %c",
(double)gps_uart->status.altitude,
gps_uart->status.altitude_units);
canvas_draw_str_aligned(canvas, 10, 40, AlignLeft, AlignBottom, buffer);
snprintf(buffer, 64, "FIX: %d", gps_uart->status.fix_quality);
canvas_draw_str_aligned(canvas, 10, 50, AlignLeft, AlignBottom, buffer);
snprintf(buffer, 64, "SAT: %d", gps_uart->status.satellites_tracked);
canvas_draw_str_aligned(canvas, 10, 60, AlignLeft, AlignBottom, buffer);
release_mutex((ValueMutex*)context, gps_uart);
}
static void input_callback(InputEvent* input_event, FuriMessageQueue* event_queue) {
furi_assert(event_queue);
PluginEvent event = {.type = EventTypeKey, .input = *input_event};
furi_message_queue_put(event_queue, &event, FuriWaitForever);
}
int32_t gps_app(void* p) {
UNUSED(p);
FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(PluginEvent));
GpsUart* gps_uart = gps_uart_enable();
ValueMutex gps_uart_mutex;
if(!init_mutex(&gps_uart_mutex, gps_uart, sizeof(GpsUart))) {
FURI_LOG_E("GPS", "cannot create mutex\r\n");
free(gps_uart);
return 255;
}
// set system callbacks
ViewPort* view_port = view_port_alloc();
view_port_draw_callback_set(view_port, render_callback, &gps_uart_mutex);
view_port_input_callback_set(view_port, input_callback, event_queue);
// open GUI and register view_port
Gui* gui = furi_record_open("gui");
gui_add_view_port(gui, view_port, GuiLayerFullscreen);
PluginEvent event;
for(bool processing = true; processing;) {
FuriStatus event_status = furi_message_queue_get(event_queue, &event, 100);
GpsUart* gps_uart = (GpsUart*)acquire_mutex_block(&gps_uart_mutex);
if(event_status == FuriStatusOk) {
// press events
if(event.type == EventTypeKey) {
if(event.input.type == InputTypePress) {
switch(event.input.key) {
case InputKeyUp:
case InputKeyDown:
case InputKeyRight:
case InputKeyLeft:
case InputKeyOk:
break;
case InputKeyBack:
processing = false;
break;
}
}
}
} else {
FURI_LOG_D("GPS", "FuriMessageQueue: event timeout");
}
view_port_update(view_port);
release_mutex(&gps_uart_mutex, gps_uart);
}
view_port_enabled_set(view_port, false);
gui_remove_view_port(gui, view_port);
furi_record_close("gui");
view_port_free(view_port);
furi_message_queue_free(event_queue);
delete_mutex(&gps_uart_mutex);
gps_uart_disable(gps_uart);
return 0;
}

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155
applications/plugins/gps_nmea_uart/gps_uart.c Normal file
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#include <string.h>
#include "minmea.h"
#include "gps_uart.h"
typedef enum {
WorkerEvtStop = (1 << 0),
WorkerEvtRxDone = (1 << 1),
} WorkerEvtFlags;
#define WORKER_ALL_RX_EVENTS (WorkerEvtStop | WorkerEvtRxDone)
static void gps_uart_on_irq_cb(UartIrqEvent ev, uint8_t data, void* context) {
GpsUart* gps_uart = (GpsUart*)context;
if(ev == UartIrqEventRXNE) {
furi_stream_buffer_send(gps_uart->rx_stream, &data, 1, 0);
furi_thread_flags_set(furi_thread_get_id(gps_uart->thread), WorkerEvtRxDone);
}
}
static void gps_uart_serial_init(GpsUart* gps_uart) {
furi_hal_console_disable();
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, gps_uart_on_irq_cb, gps_uart);
furi_hal_uart_set_br(FuriHalUartIdUSART1, GPS_BAUDRATE);
}
static void gps_uart_serial_deinit(GpsUart* gps_uart) {
UNUSED(gps_uart);
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, NULL, NULL);
furi_hal_console_enable();
}
static void gps_uart_parse_nmea(GpsUart* gps_uart, char* line) {
switch(minmea_sentence_id(line, false)) {
case MINMEA_SENTENCE_RMC: {
struct minmea_sentence_rmc frame;
if(minmea_parse_rmc(&frame, line)) {
gps_uart->status.valid = frame.valid;
gps_uart->status.latitude = minmea_tocoord(&frame.latitude);
gps_uart->status.longitude = minmea_tocoord(&frame.longitude);
gps_uart->status.speed = minmea_tofloat(&frame.speed);
gps_uart->status.course = minmea_tofloat(&frame.course);
}
} break;
case MINMEA_SENTENCE_GGA: {
struct minmea_sentence_gga frame;
if(minmea_parse_gga(&frame, line)) {
gps_uart->status.latitude = minmea_tocoord(&frame.latitude);
gps_uart->status.longitude = minmea_tocoord(&frame.longitude);
gps_uart->status.altitude = minmea_tofloat(&frame.altitude);
gps_uart->status.altitude_units = frame.altitude_units;
gps_uart->status.fix_quality = frame.fix_quality;
gps_uart->status.satellites_tracked = frame.satellites_tracked;
}
} break;
default:
break;
}
}
static int32_t gps_uart_worker(void* context) {
GpsUart* gps_uart = (GpsUart*)context;
gps_uart->rx_stream = furi_stream_buffer_alloc(RX_BUF_SIZE * 5, 1);
size_t rx_offset = 0;
gps_uart_serial_init(gps_uart);
while(1) {
uint32_t events =
furi_thread_flags_wait(WORKER_ALL_RX_EVENTS, FuriFlagWaitAny, FuriWaitForever);
furi_check((events & FuriFlagError) == 0);
if(events & WorkerEvtStop) {
break;
}
if(events & WorkerEvtRxDone) {
size_t len = 0;
do {
len = furi_stream_buffer_receive(
gps_uart->rx_stream,
gps_uart->rx_buf + rx_offset,
RX_BUF_SIZE - 1 - rx_offset,
0);
if(len > 0) {
rx_offset += len;
gps_uart->rx_buf[rx_offset] = '\0';
char* line_current = (char*)gps_uart->rx_buf;
while(1) {
while(*line_current == '\0' &&
line_current < (char*)gps_uart->rx_buf + rx_offset - 1) {
line_current++;
}
char* newline = strchr(line_current, '\n');
if(newline) {
*newline = '\0';
gps_uart_parse_nmea(gps_uart, line_current);
line_current = newline + 1;
} else {
if(line_current > (char*)gps_uart->rx_buf) {
rx_offset = 0;
while(*line_current) {
gps_uart->rx_buf[rx_offset++] = *(line_current++);
}
}
break;
}
}
}
} while(len > 0);
}
}
gps_uart_serial_deinit(gps_uart);
furi_stream_buffer_free(gps_uart->rx_stream);
return 0;
}
GpsUart* gps_uart_enable() {
GpsUart* gps_uart = malloc(sizeof(GpsUart));
gps_uart->status.valid = false;
gps_uart->status.latitude = 0.0;
gps_uart->status.longitude = 0.0;
gps_uart->status.speed = 0.0;
gps_uart->status.course = 0.0;
gps_uart->status.altitude = 0.0;
gps_uart->status.altitude_units = ' ';
gps_uart->status.fix_quality = 0;
gps_uart->status.satellites_tracked = 0;
gps_uart->thread = furi_thread_alloc();
furi_thread_set_name(gps_uart->thread, "GpsUartWorker");
furi_thread_set_stack_size(gps_uart->thread, 1024);
furi_thread_set_context(gps_uart->thread, gps_uart);
furi_thread_set_callback(gps_uart->thread, gps_uart_worker);
furi_thread_start(gps_uart->thread);
return gps_uart;
}
void gps_uart_disable(GpsUart* gps_uart) {
furi_assert(gps_uart);
furi_thread_flags_set(furi_thread_get_id(gps_uart->thread), WorkerEvtStop);
furi_thread_join(gps_uart->thread);
furi_thread_free(gps_uart->thread);
free(gps_uart);
}

30
applications/plugins/gps_nmea_uart/gps_uart.h Normal file
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#pragma once
#include <furi_hal.h>
#define GPS_BAUDRATE 9600
#define RX_BUF_SIZE 1024
typedef struct {
bool valid;
float latitude;
float longitude;
float speed;
float course;
float altitude;
char altitude_units;
int fix_quality;
int satellites_tracked;
} GpsStatus;
typedef struct {
FuriThread* thread;
FuriStreamBuffer* rx_stream;
uint8_t rx_buf[RX_BUF_SIZE];
GpsStatus status;
} GpsUart;
GpsUart* gps_uart_enable();
void gps_uart_disable(GpsUart* gps_uart);

640
applications/plugins/gps_nmea_uart/minmea.c Normal file
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@@ -0,0 +1,640 @@
/*
* Copyright © 2014 Kosma Moczek <kosma@cloudyourcar.com>
* This program is free software. It comes without any warranty, to the extent
* permitted by applicable law. You can redistribute it and/or modify it under
* the terms of the Do What The Fuck You Want To Public License, Version 2, as
* published by Sam Hocevar. See the COPYING file for more details.
*/
#include "minmea.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#define boolstr(s) ((s) ? "true" : "false")
static int hex2int(char c) {
if(c >= '0' && c <= '9') return c - '0';
if(c >= 'A' && c <= 'F') return c - 'A' + 10;
if(c >= 'a' && c <= 'f') return c - 'a' + 10;
return -1;
}
uint8_t minmea_checksum(const char* sentence) {
// Support senteces with or without the starting dollar sign.
if(*sentence == '$') sentence++;
uint8_t checksum = 0x00;
// The optional checksum is an XOR of all bytes between "$" and "*".
while(*sentence && *sentence != '*') checksum ^= *sentence++;
return checksum;
}
bool minmea_check(const char* sentence, bool strict) {
uint8_t checksum = 0x00;
// A valid sentence starts with "$".
if(*sentence++ != '$') return false;
// The optional checksum is an XOR of all bytes between "$" and "*".
while(*sentence && *sentence != '*' && isprint((unsigned char)*sentence))
checksum ^= *sentence++;
// If checksum is present...
if(*sentence == '*') {
// Extract checksum.
sentence++;
int upper = hex2int(*sentence++);
if(upper == -1) return false;
int lower = hex2int(*sentence++);
if(lower == -1) return false;
int expected = upper << 4 | lower;
// Check for checksum mismatch.
if(checksum != expected) return false;
} else if(strict) {
// Discard non-checksummed frames in strict mode.
return false;
}
// The only stuff allowed at this point is a newline.
while(*sentence == '\r' || *sentence == '\n') {
sentence++;
}
if(*sentence) {
return false;
}
return true;
}
bool minmea_scan(const char* sentence, const char* format, ...) {
bool result = false;
bool optional = false;
if(sentence == NULL) return false;
va_list ap;
va_start(ap, format);
const char* field = sentence;
#define next_field() \
do { \
/* Progress to the next field. */ \
while(minmea_isfield(*sentence)) sentence++; \
/* Make sure there is a field there. */ \
if(*sentence == ',') { \
sentence++; \
field = sentence; \
} else { \
field = NULL; \
} \
} while(0)
while(*format) {
char type = *format++;
if(type == ';') {
// All further fields are optional.
optional = true;
continue;
}
if(!field && !optional) {
// Field requested but we ran out if input. Bail out.
goto parse_error;
}
switch(type) {
case 'c': { // Single character field (char).
char value = '\0';
if(field && minmea_isfield(*field)) value = *field;
*va_arg(ap, char*) = value;
} break;
case 'd': { // Single character direction field (int).
int value = 0;
if(field && minmea_isfield(*field)) {
switch(*field) {
case 'N':
case 'E':
value = 1;
break;
case 'S':
case 'W':
value = -1;
break;
default:
goto parse_error;
}
}
*va_arg(ap, int*) = value;
} break;
case 'f': { // Fractional value with scale (struct minmea_float).
int sign = 0;
int_least32_t value = -1;
int_least32_t scale = 0;
if(field) {
while(minmea_isfield(*field)) {
if(*field == '+' && !sign && value == -1) {
sign = 1;
} else if(*field == '-' && !sign && value == -1) {
sign = -1;
} else if(isdigit((unsigned char)*field)) {
int digit = *field - '0';
if(value == -1) value = 0;
if(value > (INT_LEAST32_MAX - digit) / 10) {
/* we ran out of bits, what do we do? */
if(scale) {
/* truncate extra precision */
break;
} else {
/* integer overflow. bail out. */
goto parse_error;
}
}
value = (10 * value) + digit;
if(scale) scale *= 10;
} else if(*field == '.' && scale == 0) {
scale = 1;
} else if(*field == ' ') {
/* Allow spaces at the start of the field. Not NMEA
* conformant, but some modules do this. */
if(sign != 0 || value != -1 || scale != 0) goto parse_error;
} else {
goto parse_error;
}
field++;
}
}
if((sign || scale) && value == -1) goto parse_error;
if(value == -1) {
/* No digits were scanned. */
value = 0;
scale = 0;
} else if(scale == 0) {
/* No decimal point. */
scale = 1;
}
if(sign) value *= sign;
*va_arg(ap, struct minmea_float*) = (struct minmea_float){value, scale};
} break;
case 'i': { // Integer value, default 0 (int).
int value = 0;
if(field) {
char* endptr;
value = strtol(field, &endptr, 10);
if(minmea_isfield(*endptr)) goto parse_error;
}
*va_arg(ap, int*) = value;
} break;
case 's': { // String value (char *).
char* buf = va_arg(ap, char*);
if(field) {
while(minmea_isfield(*field)) *buf++ = *field++;
}
*buf = '\0';
} break;
case 't': { // NMEA talker+sentence identifier (char *).
// This field is always mandatory.
if(!field) goto parse_error;
if(field[0] != '$') goto parse_error;
for(int f = 0; f < 5; f++)
if(!minmea_isfield(field[1 + f])) goto parse_error;
char* buf = va_arg(ap, char*);
memcpy(buf, field + 1, 5);
buf[5] = '\0';
} break;
case 'D': { // Date (int, int, int), -1 if empty.
struct minmea_date* date = va_arg(ap, struct minmea_date*);
int d = -1, m = -1, y = -1;
if(field && minmea_isfield(*field)) {
// Always six digits.
for(int f = 0; f < 6; f++)
if(!isdigit((unsigned char)field[f])) goto parse_error;
char dArr[] = {field[0], field[1], '\0'};
char mArr[] = {field[2], field[3], '\0'};
char yArr[] = {field[4], field[5], '\0'};
d = strtol(dArr, NULL, 10);
m = strtol(mArr, NULL, 10);
y = strtol(yArr, NULL, 10);
}
date->day = d;
date->month = m;
date->year = y;
} break;
case 'T': { // Time (int, int, int, int), -1 if empty.
struct minmea_time* time_ = va_arg(ap, struct minmea_time*);
int h = -1, i = -1, s = -1, u = -1;
if(field && minmea_isfield(*field)) {
// Minimum required: integer time.
for(int f = 0; f < 6; f++)
if(!isdigit((unsigned char)field[f])) goto parse_error;
char hArr[] = {field[0], field[1], '\0'};
char iArr[] = {field[2], field[3], '\0'};
char sArr[] = {field[4], field[5], '\0'};
h = strtol(hArr, NULL, 10);
i = strtol(iArr, NULL, 10);
s = strtol(sArr, NULL, 10);
field += 6;
// Extra: fractional time. Saved as microseconds.
if(*field++ == '.') {
uint32_t value = 0;
uint32_t scale = 1000000LU;
while(isdigit((unsigned char)*field) && scale > 1) {
value = (value * 10) + (*field++ - '0');
scale /= 10;
}
u = value * scale;
} else {
u = 0;
}
}
time_->hours = h;
time_->minutes = i;
time_->seconds = s;
time_->microseconds = u;
} break;
case '_': { // Ignore the field.
} break;
default: { // Unknown.
goto parse_error;
}
}
next_field();
}
result = true;
parse_error:
va_end(ap);
return result;
}
bool minmea_talker_id(char talker[3], const char* sentence) {
char type[6];
if(!minmea_scan(sentence, "t", type)) return false;
talker[0] = type[0];
talker[1] = type[1];
talker[2] = '\0';
return true;
}
enum minmea_sentence_id minmea_sentence_id(const char* sentence, bool strict) {
if(!minmea_check(sentence, strict)) return MINMEA_INVALID;
char type[6];
if(!minmea_scan(sentence, "t", type)) return MINMEA_INVALID;
if(!strcmp(type + 2, "GBS")) return MINMEA_SENTENCE_GBS;
if(!strcmp(type + 2, "GGA")) return MINMEA_SENTENCE_GGA;
if(!strcmp(type + 2, "GLL")) return MINMEA_SENTENCE_GLL;
if(!strcmp(type + 2, "GSA")) return MINMEA_SENTENCE_GSA;
if(!strcmp(type + 2, "GST")) return MINMEA_SENTENCE_GST;
if(!strcmp(type + 2, "GSV")) return MINMEA_SENTENCE_GSV;
if(!strcmp(type + 2, "RMC")) return MINMEA_SENTENCE_RMC;
if(!strcmp(type + 2, "VTG")) return MINMEA_SENTENCE_VTG;
if(!strcmp(type + 2, "ZDA")) return MINMEA_SENTENCE_ZDA;
return MINMEA_UNKNOWN;
}
bool minmea_parse_gbs(struct minmea_sentence_gbs* frame, const char* sentence) {
// $GNGBS,170556.00,3.0,2.9,8.3,,,,*5C
char type[6];
if(!minmea_scan(
sentence,
"tTfffifff",
type,
&frame->time,
&frame->err_latitude,
&frame->err_longitude,
&frame->err_altitude,
&frame->svid,
&frame->prob,
&frame->bias,
&frame->stddev))
return false;
if(strcmp(type + 2, "GBS")) return false;
return true;
}
bool minmea_parse_rmc(struct minmea_sentence_rmc* frame, const char* sentence) {
// $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62
char type[6];
char validity;
int latitude_direction;
int longitude_direction;
int variation_direction;
if(!minmea_scan(
sentence,
"tTcfdfdffDfd",
type,
&frame->time,
&validity,
&frame->latitude,
&latitude_direction,
&frame->longitude,
&longitude_direction,
&frame->speed,
&frame->course,
&frame->date,
&frame->variation,
&variation_direction))
return false;
if(strcmp(type + 2, "RMC")) return false;
frame->valid = (validity == 'A');
frame->latitude.value *= latitude_direction;
frame->longitude.value *= longitude_direction;
frame->variation.value *= variation_direction;
return true;
}
bool minmea_parse_gga(struct minmea_sentence_gga* frame, const char* sentence) {
// $GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47
char type[6];
int latitude_direction;
int longitude_direction;
if(!minmea_scan(
sentence,
"tTfdfdiiffcfcf_",
type,
&frame->time,
&frame->latitude,
&latitude_direction,
&frame->longitude,
&longitude_direction,
&frame->fix_quality,
&frame->satellites_tracked,
&frame->hdop,
&frame->altitude,
&frame->altitude_units,
&frame->height,
&frame->height_units,
&frame->dgps_age))
return false;
if(strcmp(type + 2, "GGA")) return false;
frame->latitude.value *= latitude_direction;
frame->longitude.value *= longitude_direction;
return true;
}
bool minmea_parse_gsa(struct minmea_sentence_gsa* frame, const char* sentence) {
// $GPGSA,A,3,04,05,,09,12,,,24,,,,,2.5,1.3,2.1*39
char type[6];
if(!minmea_scan(
sentence,
"tciiiiiiiiiiiiifff",
type,
&frame->mode,
&frame->fix_type,
&frame->sats[0],
&frame->sats[1],
&frame->sats[2],
&frame->sats[3],
&frame->sats[4],
&frame->sats[5],
&frame->sats[6],
&frame->sats[7],
&frame->sats[8],
&frame->sats[9],
&frame->sats[10],
&frame->sats[11],
&frame->pdop,
&frame->hdop,
&frame->vdop))
return false;
if(strcmp(type + 2, "GSA")) return false;
return true;
}
bool minmea_parse_gll(struct minmea_sentence_gll* frame, const char* sentence) {
// $GPGLL,3723.2475,N,12158.3416,W,161229.487,A,A*41$;
char type[6];
int latitude_direction;
int longitude_direction;
if(!minmea_scan(
sentence,
"tfdfdTc;c",
type,
&frame->latitude,
&latitude_direction,
&frame->longitude,
&longitude_direction,
&frame->time,
&frame->status,
&frame->mode))
return false;
if(strcmp(type + 2, "GLL")) return false;
frame->latitude.value *= latitude_direction;
frame->longitude.value *= longitude_direction;
return true;
}
bool minmea_parse_gst(struct minmea_sentence_gst* frame, const char* sentence) {
// $GPGST,024603.00,3.2,6.6,4.7,47.3,5.8,5.6,22.0*58
char type[6];
if(!minmea_scan(
sentence,
"tTfffffff",
type,
&frame->time,
&frame->rms_deviation,
&frame->semi_major_deviation,
&frame->semi_minor_deviation,
&frame->semi_major_orientation,
&frame->latitude_error_deviation,
&frame->longitude_error_deviation,
&frame->altitude_error_deviation))
return false;
if(strcmp(type + 2, "GST")) return false;
return true;
}
bool minmea_parse_gsv(struct minmea_sentence_gsv* frame, const char* sentence) {
// $GPGSV,3,1,11,03,03,111,00,04,15,270,00,06,01,010,00,13,06,292,00*74
// $GPGSV,3,3,11,22,42,067,42,24,14,311,43,27,05,244,00,,,,*4D
// $GPGSV,4,2,11,08,51,203,30,09,45,215,28*75
// $GPGSV,4,4,13,39,31,170,27*40
// $GPGSV,4,4,13*7B
char type[6];
if(!minmea_scan(
sentence,
"tiii;iiiiiiiiiiiiiiii",
type,
&frame->total_msgs,
&frame->msg_nr,
&frame->total_sats,
&frame->sats[0].nr,
&frame->sats[0].elevation,
&frame->sats[0].azimuth,
&frame->sats[0].snr,
&frame->sats[1].nr,
&frame->sats[1].elevation,
&frame->sats[1].azimuth,
&frame->sats[1].snr,
&frame->sats[2].nr,
&frame->sats[2].elevation,
&frame->sats[2].azimuth,
&frame->sats[2].snr,
&frame->sats[3].nr,
&frame->sats[3].elevation,
&frame->sats[3].azimuth,
&frame->sats[3].snr)) {
return false;
}
if(strcmp(type + 2, "GSV")) return false;
return true;
}
bool minmea_parse_vtg(struct minmea_sentence_vtg* frame, const char* sentence) {
// $GPVTG,054.7,T,034.4,M,005.5,N,010.2,K*48
// $GPVTG,156.1,T,140.9,M,0.0,N,0.0,K*41
// $GPVTG,096.5,T,083.5,M,0.0,N,0.0,K,D*22
// $GPVTG,188.36,T,,M,0.820,N,1.519,K,A*3F
char type[6];
char c_true, c_magnetic, c_knots, c_kph, c_faa_mode;
if(!minmea_scan(
sentence,
"t;fcfcfcfcc",
type,
&frame->true_track_degrees,
&c_true,
&frame->magnetic_track_degrees,
&c_magnetic,
&frame->speed_knots,
&c_knots,
&frame->speed_kph,
&c_kph,
&c_faa_mode))
return false;
if(strcmp(type + 2, "VTG")) return false;
// values are only valid with the accompanying characters
if(c_true != 'T') frame->true_track_degrees.scale = 0;
if(c_magnetic != 'M') frame->magnetic_track_degrees.scale = 0;
if(c_knots != 'N') frame->speed_knots.scale = 0;
if(c_kph != 'K') frame->speed_kph.scale = 0;
frame->faa_mode = (enum minmea_faa_mode)c_faa_mode;
return true;
}
bool minmea_parse_zda(struct minmea_sentence_zda* frame, const char* sentence) {
// $GPZDA,201530.00,04,07,2002,00,00*60
char type[6];
if(!minmea_scan(
sentence,
"tTiiiii",
type,
&frame->time,
&frame->date.day,
&frame->date.month,
&frame->date.year,
&frame->hour_offset,
&frame->minute_offset))
return false;
if(strcmp(type + 2, "ZDA")) return false;
// check offsets
if(abs(frame->hour_offset) > 13 || frame->minute_offset > 59 || frame->minute_offset < 0)
return false;
return true;
}
int minmea_getdatetime(
struct tm* tm,
const struct minmea_date* date,
const struct minmea_time* time_) {
if(date->year == -1 || time_->hours == -1) return -1;
memset(tm, 0, sizeof(*tm));
if(date->year < 80) {
tm->tm_year = 2000 + date->year - 1900; // 2000-2079
} else if(date->year >= 1900) {
tm->tm_year = date->year - 1900; // 4 digit year, use directly
} else {
tm->tm_year = date->year; // 1980-1999
}
tm->tm_mon = date->month - 1;
tm->tm_mday = date->day;
tm->tm_hour = time_->hours;
tm->tm_min = time_->minutes;
tm->tm_sec = time_->seconds;
return 0;
}
int minmea_gettime(
struct timespec* ts,
const struct minmea_date* date,
const struct minmea_time* time_) {
struct tm tm;
if(minmea_getdatetime(&tm, date, time_)) return -1;
time_t timestamp = mktime(&tm); /* See README.md if your system lacks timegm(). */
if(timestamp != (time_t)-1) {
ts->tv_sec = timestamp;
ts->tv_nsec = time_->microseconds * 1000;
return 0;
} else {
return -1;
}
}
/* vim: set ts=4 sw=4 et: */

295
applications/plugins/gps_nmea_uart/minmea.h Normal file
View File

@@ -0,0 +1,295 @@
/*
* Copyright © 2014 Kosma Moczek <kosma@cloudyourcar.com>
* This program is free software. It comes without any warranty, to the extent
* permitted by applicable law. You can redistribute it and/or modify it under
* the terms of the Do What The Fuck You Want To Public License, Version 2, as
* published by Sam Hocevar. See the COPYING file for more details.
*/
#ifndef MINMEA_H
#define MINMEA_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ctype.h>
#include <stdint.h>
#include <stdbool.h>
#include <time.h>
#include <math.h>
#ifdef MINMEA_INCLUDE_COMPAT
#include <minmea_compat.h>
#endif
#ifndef MINMEA_MAX_SENTENCE_LENGTH
#define MINMEA_MAX_SENTENCE_LENGTH 80
#endif
enum minmea_sentence_id {
MINMEA_INVALID = -1,
MINMEA_UNKNOWN = 0,
MINMEA_SENTENCE_GBS,
MINMEA_SENTENCE_GGA,
MINMEA_SENTENCE_GLL,
MINMEA_SENTENCE_GSA,
MINMEA_SENTENCE_GST,
MINMEA_SENTENCE_GSV,
MINMEA_SENTENCE_RMC,
MINMEA_SENTENCE_VTG,
MINMEA_SENTENCE_ZDA,
};
struct minmea_float {
int_least32_t value;
int_least32_t scale;
};
struct minmea_date {
int day;
int month;
int year;
};
struct minmea_time {
int hours;
int minutes;
int seconds;
int microseconds;
};
struct minmea_sentence_gbs {
struct minmea_time time;
struct minmea_float err_latitude;
struct minmea_float err_longitude;
struct minmea_float err_altitude;
int svid;
struct minmea_float prob;
struct minmea_float bias;
struct minmea_float stddev;
};
struct minmea_sentence_rmc {
struct minmea_time time;
bool valid;
struct minmea_float latitude;
struct minmea_float longitude;
struct minmea_float speed;
struct minmea_float course;
struct minmea_date date;
struct minmea_float variation;
};
struct minmea_sentence_gga {
struct minmea_time time;
struct minmea_float latitude;
struct minmea_float longitude;
int fix_quality;
int satellites_tracked;
struct minmea_float hdop;
struct minmea_float altitude;
char altitude_units;
struct minmea_float height;
char height_units;
struct minmea_float dgps_age;
};
enum minmea_gll_status {
MINMEA_GLL_STATUS_DATA_VALID = 'A',
MINMEA_GLL_STATUS_DATA_NOT_VALID = 'V',
};
// FAA mode added to some fields in NMEA 2.3.
enum minmea_faa_mode {
MINMEA_FAA_MODE_AUTONOMOUS = 'A',
MINMEA_FAA_MODE_DIFFERENTIAL = 'D',
MINMEA_FAA_MODE_ESTIMATED = 'E',
MINMEA_FAA_MODE_MANUAL = 'M',
MINMEA_FAA_MODE_SIMULATED = 'S',
MINMEA_FAA_MODE_NOT_VALID = 'N',
MINMEA_FAA_MODE_PRECISE = 'P',
};
struct minmea_sentence_gll {
struct minmea_float latitude;
struct minmea_float longitude;
struct minmea_time time;
char status;
char mode;
};
struct minmea_sentence_gst {
struct minmea_time time;
struct minmea_float rms_deviation;
struct minmea_float semi_major_deviation;
struct minmea_float semi_minor_deviation;
struct minmea_float semi_major_orientation;
struct minmea_float latitude_error_deviation;
struct minmea_float longitude_error_deviation;
struct minmea_float altitude_error_deviation;
};
enum minmea_gsa_mode {
MINMEA_GPGSA_MODE_AUTO = 'A',
MINMEA_GPGSA_MODE_FORCED = 'M',
};
enum minmea_gsa_fix_type {
MINMEA_GPGSA_FIX_NONE = 1,
MINMEA_GPGSA_FIX_2D = 2,
MINMEA_GPGSA_FIX_3D = 3,
};
struct minmea_sentence_gsa {
char mode;
int fix_type;
int sats[12];
struct minmea_float pdop;
struct minmea_float hdop;
struct minmea_float vdop;
};
struct minmea_sat_info {
int nr;
int elevation;
int azimuth;
int snr;
};
struct minmea_sentence_gsv {
int total_msgs;
int msg_nr;
int total_sats;
struct minmea_sat_info sats[4];
};
struct minmea_sentence_vtg {
struct minmea_float true_track_degrees;
struct minmea_float magnetic_track_degrees;
struct minmea_float speed_knots;
struct minmea_float speed_kph;
enum minmea_faa_mode faa_mode;
};
struct minmea_sentence_zda {
struct minmea_time time;
struct minmea_date date;
int hour_offset;
int minute_offset;
};
/**
* Calculate raw sentence checksum. Does not check sentence integrity.
*/
uint8_t minmea_checksum(const char* sentence);
/**
* Check sentence validity and checksum. Returns true for valid sentences.
*/
bool minmea_check(const char* sentence, bool strict);
/**
* Determine talker identifier.
*/
bool minmea_talker_id(char talker[3], const char* sentence);
/**
* Determine sentence identifier.
*/
enum minmea_sentence_id minmea_sentence_id(const char* sentence, bool strict);
/**
* Scanf-like processor for NMEA sentences. Supports the following formats:
* c - single character (char *)
* d - direction, returned as 1/-1, default 0 (int *)
* f - fractional, returned as value + scale (struct minmea_float *)
* i - decimal, default zero (int *)
* s - string (char *)
* t - talker identifier and type (char *)
* D - date (struct minmea_date *)
* T - time stamp (struct minmea_time *)
* _ - ignore this field
* ; - following fields are optional
* Returns true on success. See library source code for details.
*/
bool minmea_scan(const char* sentence, const char* format, ...);
/*
* Parse a specific type of sentence. Return true on success.
*/
bool minmea_parse_gbs(struct minmea_sentence_gbs* frame, const char* sentence);
bool minmea_parse_rmc(struct minmea_sentence_rmc* frame, const char* sentence);
bool minmea_parse_gga(struct minmea_sentence_gga* frame, const char* sentence);
bool minmea_parse_gsa(struct minmea_sentence_gsa* frame, const char* sentence);
bool minmea_parse_gll(struct minmea_sentence_gll* frame, const char* sentence);
bool minmea_parse_gst(struct minmea_sentence_gst* frame, const char* sentence);
bool minmea_parse_gsv(struct minmea_sentence_gsv* frame, const char* sentence);
bool minmea_parse_vtg(struct minmea_sentence_vtg* frame, const char* sentence);
bool minmea_parse_zda(struct minmea_sentence_zda* frame, const char* sentence);
/**
* Convert GPS UTC date/time representation to a UNIX calendar time.
*/
int minmea_getdatetime(
struct tm* tm,
const struct minmea_date* date,
const struct minmea_time* time_);
/**
* Convert GPS UTC date/time representation to a UNIX timestamp.
*/
int minmea_gettime(
struct timespec* ts,
const struct minmea_date* date,
const struct minmea_time* time_);
/**
* Rescale a fixed-point value to a different scale. Rounds towards zero.
*/
static inline int_least32_t minmea_rescale(const struct minmea_float* f, int_least32_t new_scale) {
if(f->scale == 0) return 0;
if(f->scale == new_scale) return f->value;
if(f->scale > new_scale)
return (f->value + ((f->value > 0) - (f->value < 0)) * f->scale / new_scale / 2) /
(f->scale / new_scale);
else
return f->value * (new_scale / f->scale);
}
/**
* Convert a fixed-point value to a floating-point value.
* Returns NaN for "unknown" values.
*/
static inline float minmea_tofloat(const struct minmea_float* f) {
if(f->scale == 0) return NAN;
return (float)f->value / (float)f->scale;
}
/**
* Convert a raw coordinate to a floating point DD.DDD... value.
* Returns NaN for "unknown" values.
*/
static inline float minmea_tocoord(const struct minmea_float* f) {
if(f->scale == 0) return NAN;
if(f->scale > (INT_LEAST32_MAX / 100)) return NAN;
if(f->scale < (INT_LEAST32_MIN / 100)) return NAN;
int_least32_t degrees = f->value / (f->scale * 100);
int_least32_t minutes = f->value % (f->scale * 100);
return (float)degrees + (float)minutes / (60 * f->scale);
}
/**
* Check whether a character belongs to the set of characters allowed in a
* sentence data field.
*/
static inline bool minmea_isfield(char c) {
return isprint((unsigned char)c) && c != ',' && c != '*';
}
#ifdef __cplusplus
}
#endif
#endif /* MINMEA_H */
/* vim: set ts=4 sw=4 et: */

27
applications/plugins/heap_defence_game/hede_assets.c
View File

@@ -4,8 +4,25 @@
#include "hede_assets.h"
#include <gui/icon_i.h>
const uint8_t _A_HD_BoxDestroyed_10x10_0[] = {0x01,0x00,0x10,0x00,0x00,0x1d,0xa2,0x01,0xc8,0x80,0x6d,0x20,0x15,0x08,0x06,0x72,0x01,0x48,0x07,0xa0,};
const uint8_t _A_HD_BoxDestroyed_10x10_1[] = {0x00,0x00,0x00,0x28,0x01,0x4A,0x00,0xA8,0x01,0x84,0x00,0x22,0x00,0x88,0x00,0x58,0x01,0x22,0x00,0x00,0x00,};
const uint8_t _A_HD_BoxDestroyed_10x10_2[] = {0x00,0x00,0x00,0x08,0x01,0x42,0x00,0x09,0x01,0x00,0x02,0x02,0x00,0x01,0x02,0x00,0x01,0x21,0x00,0x42,0x02,};
const uint8_t *_A_HD_BoxDestroyed_10x10[] = {_A_HD_BoxDestroyed_10x10_0,_A_HD_BoxDestroyed_10x10_1,_A_HD_BoxDestroyed_10x10_2};
const Icon A_HD_BoxDestroyed_10x10 = {.width=10,.height=10,.frame_count=3,.frame_rate=4,.frames=_A_HD_BoxDestroyed_10x10};
const uint8_t _A_HD_BoxDestroyed_10x10_0[] = {
0x01, 0x00, 0x10, 0x00, 0x00, 0x1d, 0xa2, 0x01, 0xc8, 0x80,
0x6d, 0x20, 0x15, 0x08, 0x06, 0x72, 0x01, 0x48, 0x07, 0xa0,
};
const uint8_t _A_HD_BoxDestroyed_10x10_1[] = {
0x00, 0x00, 0x00, 0x28, 0x01, 0x4A, 0x00, 0xA8, 0x01, 0x84, 0x00,
0x22, 0x00, 0x88, 0x00, 0x58, 0x01, 0x22, 0x00, 0x00, 0x00,
};
const uint8_t _A_HD_BoxDestroyed_10x10_2[] = {
0x00, 0x00, 0x00, 0x08, 0x01, 0x42, 0x00, 0x09, 0x01, 0x00, 0x02,
0x02, 0x00, 0x01, 0x02, 0x00, 0x01, 0x21, 0x00, 0x42, 0x02,
};
const uint8_t* _A_HD_BoxDestroyed_10x10[] = {
_A_HD_BoxDestroyed_10x10_0,
_A_HD_BoxDestroyed_10x10_1,
_A_HD_BoxDestroyed_10x10_2};
const Icon A_HD_BoxDestroyed_10x10 = {
.width = 10,
.height = 10,
.frame_count = 3,
.frame_rate = 4,
.frames = _A_HD_BoxDestroyed_10x10};