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Fix BL0942 negative power 

Fix BL0942 negative power (#15374)
This commit is contained in:
Theo Arends 2022-04-21 16:54:30 +02:00
parent 02408df708
commit 772e2bddae
1 changed files with 6 additions and 2 deletions
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8
tasmota/xnrg_14_bl09xx.ino
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@ -171,8 +171,12 @@ bool Bl09XXDecode42(void) {
Bl09XX.voltage = Bl09XX.rx_buffer[6] << 16 | Bl09XX.rx_buffer[5] << 8 | Bl09XX.rx_buffer[4]; // V_RMS unsigned
Bl09XX.current[0] = Bl09XX.rx_buffer[3] << 16 | Bl09XX.rx_buffer[2] << 8 | Bl09XX.rx_buffer[1]; // IA_RMS unsigned
Bl09XX.power[0] = Bl09XX.rx_buffer[12] << 16 | Bl09XX.rx_buffer[11] << 8 | Bl09XX.rx_buffer[10]; // WATT_A signed
if (bitRead(Bl09XX.power[0], 23)) { Bl09XX.power[0] |= 0xFF000000; } // Extend sign bit
// Bl09XX.power[0] = Bl09XX.rx_buffer[12] << 16 | Bl09XX.rx_buffer[11] << 8 | Bl09XX.rx_buffer[10]; // WATT_A signed
// if (bitRead(Bl09XX.power[0], 23)) { Bl09XX.power[0] |= 0xFF000000; } // Extend sign bit
// Above reverted in favour of https://github.com/arendst/Tasmota/issues/15374#issuecomment-1105293179
int32_t tmp = Bl09XX.rx_buffer[12] << 24 | Bl09XX.rx_buffer[11] << 16 | Bl09XX.rx_buffer[10] << 8; // WATT_A signed
Bl09XX.power[0] = abs(tmp >> 8);
#ifdef DEBUG_BL09XX
AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("BL9: U %d, I %d, P %d"),