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Configurable SPI & Uart channels

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This commit is contained in:
Sil333033
2023-07-27 19:49:39 +02:00
parent c20d2344a7
commit d36c7cc183
35 changed files with 476 additions and 98 deletions
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43
applications/external/nrf24scan/lib/nrf24/nrf24.c vendored
View File

@@ -8,6 +8,15 @@
#include <string.h>
void nrf24_init() {
// this is needed if multiple SPI devices are connected to the same bus but with different CS pins
if(XTREME_SETTINGS()->spi_nrf24_handle == SpiDefault) {
furi_hal_gpio_init_simple(&gpio_ext_pc3, GpioModeOutputPushPull);
furi_hal_gpio_write(&gpio_ext_pc3, true);
} else if(XTREME_SETTINGS()->spi_nrf24_handle == SpiExtra) {
furi_hal_gpio_init_simple(&gpio_ext_pa4, GpioModeOutputPushPull);
furi_hal_gpio_write(&gpio_ext_pa4, true);
}
furi_hal_spi_bus_handle_init(nrf24_HANDLE);
furi_hal_spi_acquire(nrf24_HANDLE);
furi_hal_gpio_init(nrf24_CE_PIN, GpioModeOutputPushPull, GpioPullUp, GpioSpeedVeryHigh);
@@ -19,6 +28,13 @@ void nrf24_deinit() {
furi_hal_spi_bus_handle_deinit(nrf24_HANDLE);
furi_hal_gpio_write(nrf24_CE_PIN, false);
furi_hal_gpio_init(nrf24_CE_PIN, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
// resetting the CS pins to floating
if(XTREME_SETTINGS()->spi_nrf24_handle == SpiDefault) {
furi_hal_gpio_init_simple(&gpio_ext_pc3, GpioModeAnalog);
} else if(XTREME_SETTINGS()->spi_nrf24_handle == SpiExtra) {
furi_hal_gpio_init_simple(&gpio_ext_pa4, GpioModeAnalog);
}
}
void nrf24_spi_trx(
@@ -41,7 +57,8 @@ uint8_t nrf24_write_reg(FuriHalSpiBusHandle* handle, uint8_t reg, uint8_t data)
return rx[0];
}
uint8_t nrf24_write_buf_reg(FuriHalSpiBusHandle* handle, uint8_t reg, uint8_t* data, uint8_t size) {
uint8_t
nrf24_write_buf_reg(FuriHalSpiBusHandle* handle, uint8_t reg, uint8_t* data, uint8_t size) {
uint8_t tx[size + 1];
uint8_t rx[size + 1];
memset(rx, 0, size + 1);
@@ -190,7 +207,11 @@ uint8_t nrf24_set_packetlen(FuriHalSpiBusHandle* handle, uint8_t len) {
return status;
}
uint8_t nrf24_rxpacket(FuriHalSpiBusHandle* handle, uint8_t* packet, uint8_t* ret_packetsize, uint8_t packet_size) {
uint8_t nrf24_rxpacket(
FuriHalSpiBusHandle* handle,
uint8_t* packet,
uint8_t* ret_packetsize,
uint8_t packet_size) {
uint8_t status = 0;
uint8_t tx_cmd[33] = {0}; // 32 max payload size + 1 for command
uint8_t tmp_packet[33] = {0};
@@ -204,13 +225,15 @@ uint8_t nrf24_rxpacket(FuriHalSpiBusHandle* handle, uint8_t* packet, uint8_t* re
if(status & RX_DR) {
if(packet_size == 1)
packet_size = nrf24_get_packetlen(handle, (status >> 1) & 7);
else if(packet_size == 0){
tx_cmd[0] = R_RX_PL_WID; tx_cmd[1] = 0;
else if(packet_size == 0) {
tx_cmd[0] = R_RX_PL_WID;
tx_cmd[1] = 0;
nrf24_spi_trx(handle, tx_cmd, tmp_packet, 2, nrf24_TIMEOUT);
packet_size = tmp_packet[1];
}
if(packet_size > 32 || packet_size == 0) packet_size = 32;
tx_cmd[0] = R_RX_PAYLOAD; tx_cmd[1] = 0;
tx_cmd[0] = R_RX_PAYLOAD;
tx_cmd[1] = 0;
nrf24_spi_trx(handle, tx_cmd, tmp_packet, packet_size + 1, nrf24_TIMEOUT);
memcpy(packet, &tmp_packet[1], packet_size);
nrf24_write_reg(handle, REG_STATUS, RX_DR); // clear RX_DR
@@ -240,7 +263,8 @@ uint8_t nrf24_txpacket(FuriHalSpiBusHandle* handle, uint8_t* payload, uint8_t si
nrf24_set_tx_mode(handle);
uint32_t start_time = furi_get_tick();
while(!(status & (TX_DS | MAX_RT)) && furi_get_tick() - start_time < 2000UL) status = nrf24_status(handle);
while(!(status & (TX_DS | MAX_RT)) && furi_get_tick() - start_time < 2000UL)
status = nrf24_status(handle);
if(status & MAX_RT) nrf24_flush_tx(handle);
@@ -525,9 +549,8 @@ uint8_t nrf24_find_channel(
return ch;
}
uint8_t nrf24_set_mac(uint8_t mac_addr, uint8_t *mac, uint8_t mlen)
{
uint8_t nrf24_set_mac(uint8_t mac_addr, uint8_t* mac, uint8_t mlen) {
uint8_t addr[5];
for(int i = 0; i < mlen; i++) addr[i] = mac[mlen - i - 1];
return nrf24_write_buf_reg(nrf24_HANDLE, mac_addr, addr, mlen);
for(int i = 0; i < mlen; i++) addr[i] = mac[mlen - i - 1];
return nrf24_write_buf_reg(nrf24_HANDLE, mac_addr, addr, mlen);
}

20
applications/external/nrf24scan/lib/nrf24/nrf24.h vendored
View File

@@ -2,6 +2,7 @@
#include <stdbool.h>
#include <stdint.h>
#include <furi_hal_spi.h>
#include <xtreme.h>
#ifdef __cplusplus
extern "C" {
@@ -46,13 +47,15 @@ extern "C" {
#define RX_PW_P3 0x14
#define RX_PW_P4 0x15
#define RX_PW_P5 0x16
#define RX_DR 0x40
#define TX_DS 0x20
#define MAX_RT 0x10
#define RX_DR 0x40
#define TX_DS 0x20
#define MAX_RT 0x10
#define nrf24_TIMEOUT 500
#define nrf24_CE_PIN &gpio_ext_pb2
#define nrf24_HANDLE &furi_hal_spi_bus_handle_external
#define nrf24_HANDLE \
(XTREME_SETTINGS()->spi_nrf24_handle == SpiDefault ? &furi_hal_spi_bus_handle_external : \
&furi_hal_spi_bus_handle_external_extra)
/* Low level API */
@@ -273,8 +276,11 @@ uint8_t nrf24_set_dst_mac(FuriHalSpiBusHandle* handle, uint8_t* mac, uint8_t siz
*
* @return device status
*/
uint8_t
nrf24_rxpacket(FuriHalSpiBusHandle* handle, uint8_t* packet, uint8_t* ret_packetsize, uint8_t packet_size_flag);
uint8_t nrf24_rxpacket(
FuriHalSpiBusHandle* handle,
uint8_t* packet,
uint8_t* ret_packetsize,
uint8_t packet_size_flag);
/** Sends TX packet
*
@@ -310,7 +316,7 @@ void nrf24_configure(
bool disable_aa);
// Set mac address (MSB first), Return: Status
uint8_t nrf24_set_mac(uint8_t mac_addr, uint8_t *mac, uint8_t mlen);
uint8_t nrf24_set_mac(uint8_t mac_addr, uint8_t* mac, uint8_t mlen);
/** Configures the radio for "promiscuous mode" and primes it for rx
* This is not an actual mode of the nrf24, but this function exploits a few bugs in the chip that allows it to act as if it were.