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PWM resolution fix

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This commit is contained in:
fvanroie 2022-03-09 14:30:35 +01:00
parent 06ea14fd7c
commit 0c4a192c94
1 changed files with 5 additions and 5 deletions
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10
src/dev/esp32/esp32.cpp
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@ -185,8 +185,8 @@ void Esp32Device::set_backlight_pin(uint8_t pin)
/* Setup Backlight Control Pin */ /* Setup Backlight Control Pin */
if(pin < GPIO_NUM_MAX) { if(pin < GPIO_NUM_MAX) {
LOG_VERBOSE(TAG_GUI, F("Backlight : Pin %d"), pin); LOG_VERBOSE(TAG_GUI, F("Backlight : Pin %d"), pin);
#ifndef ESP32S2 #if !defined(CONFIG_IDF_TARGET_ESP32S2)
ledcSetup(BACKLIGHT_CHANNEL, BACKLIGHT_FREQUENCY, 12); ledcSetup(BACKLIGHT_CHANNEL, BACKLIGHT_FREQUENCY, 10);
#else #else
ledcSetup(BACKLIGHT_CHANNEL, BACKLIGHT_FREQUENCY, 10); ledcSetup(BACKLIGHT_CHANNEL, BACKLIGHT_FREQUENCY, 10);
#endif #endif
@ -222,9 +222,9 @@ bool Esp32Device::get_backlight_power()
void Esp32Device::update_backlight() void Esp32Device::update_backlight()
{ {
if(_backlight_pin < GPIO_NUM_MAX) { if(_backlight_pin < GPIO_NUM_MAX) {
#ifndef ESP32S2 #if !defined(CONFIG_IDF_TARGET_ESP32S2)
uint32_t duty = _backlight_power ? map(_backlight_level, 0, 255, 0, 4095) : 0; uint32_t duty = _backlight_power ? map(_backlight_level, 0, 255, 0, 1023) : 0;
if(_backlight_invert) duty = 4095 - duty; if(_backlight_invert) duty = 1023 - duty;
ledcWrite(BACKLIGHT_CHANNEL, duty); // ledChannel and value ledcWrite(BACKLIGHT_CHANNEL, duty); // ledChannel and value
#else #else
uint32_t duty = _backlight_power ? map(_backlight_level, 0, 255, 0, 1023) : 0; uint32_t duty = _backlight_power ? map(_backlight_level, 0, 255, 0, 1023) : 0;