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Remove on-the-fly PCA9685 detection

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Theo Arends 2019-11-11 14:22:48 +01:00
parent 4df186654f
commit 83d28c163f
1 changed files with 9 additions and 5 deletions
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14
tasmota/xdrv_15_pca9685.ino
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@ -39,7 +39,7 @@
#define USE_PCA9685_FREQ 50 #define USE_PCA9685_FREQ 50
#endif #endif
uint8_t pca9685_detected = 0; bool pca9685_detected = false;
uint16_t pca9685_freq = USE_PCA9685_FREQ; uint16_t pca9685_freq = USE_PCA9685_FREQ;
uint16_t pca9685_pin_pwm_value[16]; uint16_t pca9685_pin_pwm_value[16];
@ -53,7 +53,7 @@ void PCA9685_Detect(void)
I2cWrite8(USE_PCA9685_ADDR, PCA9685_REG_MODE1, 0x20); I2cWrite8(USE_PCA9685_ADDR, PCA9685_REG_MODE1, 0x20);
if (I2cValidRead8(&buffer, USE_PCA9685_ADDR, PCA9685_REG_MODE1)) { if (I2cValidRead8(&buffer, USE_PCA9685_ADDR, PCA9685_REG_MODE1)) {
if (0x20 == buffer) { if (0x20 == buffer) {
pca9685_detected = 1; pca9685_detected = true;
I2cSetActiveFound(USE_PCA9685_ADDR, "PCA9685"); I2cSetActiveFound(USE_PCA9685_ADDR, "PCA9685");
PCA9685_Reset(); // Reset the controller PCA9685_Reset(); // Reset the controller
} }
@ -173,8 +173,10 @@ bool PCA9685_Command(void)
return serviced; return serviced;
} }
void PCA9685_OutputTelemetry(bool telemetry) { void PCA9685_OutputTelemetry(bool telemetry)
if (0 == pca9685_detected) { return; } // We do not do this if the PCA9685 has not been detected {
if (!pca9685_detected) { return; } // We do not do this if the PCA9685 has not been detected
ResponseTime_P(PSTR(",\"PCA9685\":{\"PWM_FREQ\":%i,"),pca9685_freq); ResponseTime_P(PSTR(",\"PCA9685\":{\"PWM_FREQ\":%i,"),pca9685_freq);
for (uint32_t pin=0;pin<16;pin++) { for (uint32_t pin=0;pin<16;pin++) {
ResponseAppend_P(PSTR("\"PWM%i\":%i,"),pin,pca9685_pin_pwm_value[pin]); ResponseAppend_P(PSTR("\"PWM%i\":%i,"),pin,pca9685_pin_pwm_value[pin]);
@ -193,7 +195,6 @@ bool Xdrv15(uint8_t function)
switch (function) { switch (function) {
case FUNC_EVERY_SECOND: case FUNC_EVERY_SECOND:
PCA9685_Detect();
if (tele_period == 0) { if (tele_period == 0) {
PCA9685_OutputTelemetry(true); PCA9685_OutputTelemetry(true);
} }
@ -203,6 +204,9 @@ bool Xdrv15(uint8_t function)
result = PCA9685_Command(); result = PCA9685_Command();
} }
break; break;
case FUNC_INIT:
PCA9685_Detect();
break;
} }
return result; return result;
} }