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Shelly Pro 4PM reduce number of SPI updates

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This commit is contained in:
Theo Arends 2023-02-12 12:19:02 +01:00
parent 4ad6807d7e
commit dbffcac195
1 changed files with 15 additions and 1 deletions
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16
tasmota/tasmota_xdrv_driver/xdrv_88_esp32_shelly_pro.ino
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@ -88,7 +88,10 @@ enum SP4MCP23X17GPIORegisters {
uint8_t sp4_mcp23s17_olata = 0;
uint8_t sp4_mcp23s17_olatb = 0;
bool sp4_spi_busy;
void SP4Mcp23S17Enable(void) {
sp4_spi_busy = true;
SPI.beginTransaction(SPISettings(1000000, MSBFIRST, SPI_MODE0));
digitalWrite(SPro.pin_register_cs, 0);
}
@ -96,6 +99,7 @@ void SP4Mcp23S17Enable(void) {
void SP4Mcp23S17Disable(void) {
SPI.endTransaction();
digitalWrite(SPro.pin_register_cs, 1);
sp4_spi_busy = false;
}
uint32_t SP4Mcp23S17Read16(uint8_t reg) {
@ -408,11 +412,21 @@ void ShellyProPower(void) {
// AddLog(LOG_LEVEL_DEBUG, PSTR("SHP: Set Power 0x%08X"), XdrvMailbox.index);
power_t rpower = XdrvMailbox.index;
/*
for (uint32_t i = 0; i < 4; i++) {
power_t state = rpower &1;
SP4Mcp23S17DigitalWrite(sp4_relay_pin[i], state);
SP4Mcp23S17DigitalWrite(sp4_relay_pin[i], state); // 4 SPI writes
rpower >>= 1; // Select next power
}
*/
for (uint32_t i = 0; i < 4; i++) {
power_t state = rpower &1;
uint32_t bit = sp4_relay_pin[i] -8; // Adjust by 8 bits
bitWrite(sp4_mcp23s17_olatb, bit, state);
rpower >>= 1; // Select next power
}
SP4Mcp23S17Write(SP4_MCP23S17_OLATB, sp4_mcp23s17_olatb); // 1 SPI write
}
}