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Update Unitemp

Browse Source 
https://github.com/quen0n/unitemp-flipperzero/tree/dev
This commit is contained in:
MX
2022-12-21 14:23:26 +03:00
parent 05147e5b7a
commit 488211b4d7
9 changed files with 126 additions and 20 deletions
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103
applications/plugins/unitemp/sensors/DHT20.c
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@@ -20,15 +20,62 @@
const SensorType DHT20 = {
.typename = "DHT20",
.altname = "DHT20 (AM2108)",
.altname = "DHT20/AM2108/AHT20",
.interface = &I2C,
.datatype = UT_TEMPERATURE | UT_HUMIDITY,
.pollingInterval = 2000,
.pollingInterval = 1000,
.allocator = unitemp_DHT20_I2C_alloc,
.mem_releaser = unitemp_DHT20_I2C_free,
.initializer = unitemp_DHT20_init,
.deinitializer = unitemp_DHT20_I2C_deinit,
.updater = unitemp_DHT20_I2C_update};
const SensorType AHT10 = {
.typename = "AHT10",
.interface = &I2C,
.datatype = UT_TEMPERATURE | UT_HUMIDITY,
.pollingInterval = 1000,
.allocator = unitemp_DHT20_I2C_alloc,
.mem_releaser = unitemp_DHT20_I2C_free,
.initializer = unitemp_DHT20_init,
.deinitializer = unitemp_DHT20_I2C_deinit,
.updater = unitemp_DHT20_I2C_update};
static uint8_t DHT20_get_status(I2CSensor* i2c_sensor) {
uint8_t status[1] = {0};
unitemp_i2c_readArray(i2c_sensor, 1, status);
return status[0];
}
static uint8_t DHT20_calc_CRC8(uint8_t* message, uint8_t Num) {
uint8_t i;
uint8_t byte;
uint8_t crc = 0xFF;
for(byte = 0; byte < Num; byte++) {
crc ^= (message[byte]);
for(i = 8; i > 0; --i) {
if(crc & 0x80)
crc = (crc << 1) ^ 0x31;
else
crc = (crc << 1);
}
}
return crc;
}
static void DHT20_reset_reg(I2CSensor* i2c_sensor, uint8_t addr) {
uint8_t data[3] = {addr, 0x00, 0x00};
unitemp_i2c_writeArray(i2c_sensor, 3, data);
furi_delay_ms(5);
unitemp_i2c_readArray(i2c_sensor, 3, data);
furi_delay_ms(10);
data[0] = 0xB0 | addr;
unitemp_i2c_writeArray(i2c_sensor, 3, data);
}
bool unitemp_DHT20_I2C_alloc(Sensor* sensor, char* args) {
UNUSED(args);
@@ -36,7 +83,7 @@ bool unitemp_DHT20_I2C_alloc(Sensor* sensor, char* args) {
//Адреса на шине I2C (7 бит)
i2c_sensor->minI2CAdr = 0x38 << 1;
i2c_sensor->maxI2CAdr = 0x38 << 1;
i2c_sensor->maxI2CAdr = (sensor->type == &DHT20) ? (0x38 << 1) : (0x39 << 1);
return true;
}
@@ -47,8 +94,16 @@ bool unitemp_DHT20_I2C_free(Sensor* sensor) {
}
bool unitemp_DHT20_init(Sensor* sensor) {
//Нечего инициализировать
UNUSED(sensor);
I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
uint8_t data[3] = {0xA8, 0x00, 0x00};
if(!unitemp_i2c_writeArray(i2c_sensor, 3, data)) return false;
furi_delay_ms(10);
data[0] = (sensor->type == &DHT20) ? 0xBE : 0xE1;
data[1] = 0x08;
if(!unitemp_i2c_writeArray(i2c_sensor, 3, data)) return false;
furi_delay_ms(10);
return true;
}
@@ -59,7 +114,41 @@ bool unitemp_DHT20_I2C_deinit(Sensor* sensor) {
}
UnitempStatus unitemp_DHT20_I2C_update(Sensor* sensor) {
//I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
UNUSED(sensor);
I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
if(DHT20_get_status(i2c_sensor) != 0x18) {
DHT20_reset_reg(i2c_sensor, 0x1B);
DHT20_reset_reg(i2c_sensor, 0x1C);
DHT20_reset_reg(i2c_sensor, 0x1E);
}
furi_delay_ms(10);
uint8_t data[7] = {0xAC, 0x33, 0x00};
if(!unitemp_i2c_writeArray(i2c_sensor, 3, data)) return UT_SENSORSTATUS_TIMEOUT;
furi_delay_ms(80);
uint32_t t = furi_get_tick();
while(DHT20_get_status(i2c_sensor) == 0x80) {
if(furi_get_tick() - t > 10) return UT_SENSORSTATUS_TIMEOUT;
}
if(!unitemp_i2c_readArray(i2c_sensor, 7, data)) return UT_SENSORSTATUS_TIMEOUT;
if(DHT20_calc_CRC8(data, 6) != data[6]) {
return UT_SENSORSTATUS_BADCRC;
}
uint32_t RetuData = 0;
RetuData = (RetuData | data[1]) << 8;
RetuData = (RetuData | data[2]) << 8;
RetuData = (RetuData | data[3]);
RetuData = RetuData >> 4;
sensor->hum = RetuData * 100 * 10 / 1024.0f / 1024.0f / 10.0f;
RetuData = 0;
RetuData = (RetuData | data[3]) << 8;
RetuData = (RetuData | data[4]) << 8;
RetuData = (RetuData | data[5]);
RetuData = RetuData & 0xfffff;
sensor->temp = (RetuData * 200 * 10.0f / 1024.0f / 1024.0f - 500) / 10.0f;
return UT_SENSORSTATUS_OK;
}