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Added method to change the ledc PWM frequency programmatically #5003

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Merged
merged 4 commits into from
Apr 16, 2021
Merged

Added method to change the ledc PWM frequency programmatically #5003

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b08dcb2
Added method to change the ledc PWM frequence programmatically
iTacco Apr 1, 2021
958e49a
fixed typo error frequence to frequency
iTacco Apr 2, 2021
c0cc424
fixed typo error frequence to frequency
iTacco Apr 2, 2021
8e7d9a8
- Added return value to ledcChangeFrequency
iTacco Apr 16, 2021
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9 changes: 9 additions & 0 deletions cores/esp32/esp32-hal-ledc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -278,3 +278,12 @@ void ledcDetachPin(uint8_t pin)
{
pinMatrixOutDetach(pin, false, false);
}

double ledcChangeFrequency(uint8_t chan, double freq, uint8_t bit_num)
{
if (chan > 15) {
return 0;
}
double res_freq = _ledcSetupTimerFreq(chan, freq, bit_num);
return res_freq;
}
1 change: 1 addition & 0 deletions cores/esp32/esp32-hal-ledc.h
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Expand Up @@ -35,6 +35,7 @@ uint32_t ledcRead(uint8_t channel);
double ledcReadFreq(uint8_t channel);
void ledcAttachPin(uint8_t pin, uint8_t channel);
void ledcDetachPin(uint8_t pin);
double ledcChangeFrequency(uint8_t channel, double freq, uint8_t resolution_bits);


#ifdef __cplusplus
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