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Fix BL0940 invalid overtemp

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Fix BL0940 invalid overtemp (#8175)
This commit is contained in:
Theo Arends 2020-06-12 17:42:04 +02:00
parent 0abfcf1954
commit 2b327c96c9
1 changed files with 10 additions and 5 deletions
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15
tasmota/xnrg_14_bl0940.ino
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@ -60,6 +60,7 @@ struct BL0940 {
float temperature;
int byte_counter = 0;
uint16_t tps1 = 0;
uint8_t *rx_buffer = nullptr;
bool received = false;
} Bl0940;
@ -78,21 +79,25 @@ void Bl0940Received(void) {
// 55 B9 33 00 DE 45 00 94 02 00 CF E4 70 63 02 00 6C 4C 00 13 01 00 09 00 00 00 00 00 E4 01 00 FE 03 00 72
// Hd IFRms--- Current- Reserved Voltage- Reserved Power--- Reserved CF------ Reserved TPS1---- TPS2---- Ck
if (Bl0940.rx_buffer[0] != BL0940_PACKET_HEADER) {
uint16_t tps1 = Bl0940.rx_buffer[29] << 8 | Bl0940.rx_buffer[28]; // TPS1 unsigned
if ((Bl0940.rx_buffer[0] != BL0940_PACKET_HEADER) || // Bad header
(Bl0940.tps1 && ((tps1 < (Bl0940.tps1 -10)) || (tps1 > (Bl0940.tps1 +10)))) // Invalid temperature change
) {
AddLog_P(LOG_LEVEL_DEBUG, PSTR("BL9: Invalid data"));
return;
}
Bl0940.tps1 = tps1;
float t = ((170.0f/448.0f)*(((float)Bl0940.tps1/2.0f)-32.0f))-45.0f;
Bl0940.temperature = ConvertTemp(t);
Bl0940.voltage = Bl0940.rx_buffer[12] << 16 | Bl0940.rx_buffer[11] << 8 | Bl0940.rx_buffer[10]; // V_RMS unsigned
Bl0940.current = Bl0940.rx_buffer[6] << 16 | Bl0940.rx_buffer[5] << 8 | Bl0940.rx_buffer[4]; // I_RMS unsigned
int32_t power = Bl0940.rx_buffer[18] << 24 | Bl0940.rx_buffer[17] << 16 | Bl0940.rx_buffer[16] << 8; // WATT signed
Bl0940.power = abs(power) >> 8; // WATT unsigned
// Bl0940.cf_pulses = Bl0940.rx_buffer[24] << 16 | Bl0940.rx_buffer[23] << 8 | Bl0940.rx_buffer[22]; // CF_CNT unsigned
uint16_t tps1 = Bl0940.rx_buffer[29] << 8 | Bl0940.rx_buffer[28]; // TPS1 unsigned
float t = ((170.0f/448.0f)*(((float)tps1/2.0f)-32.0f))-45.0f;
Bl0940.temperature = ConvertTemp(t);
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("BL9: U %d, I %d, P %d, T %d"), Bl0940.voltage, Bl0940.current, Bl0940.power, tps1);
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("BL9: U %d, I %d, P %d, T %d"), Bl0940.voltage, Bl0940.current, Bl0940.power, Bl0940.tps1);
if (Energy.power_on) { // Powered on
Energy.voltage[0] = (float)Bl0940.voltage / Settings.energy_voltage_calibration;