feat(ledc): check duty limit based on the resolution

Author: SuGlider

cores/esp32/esp32-hal-ledc.c

@@ -183,7 +183,13 @@ bool ledcWrite(uint8_t pin, uint32_t duty) {
   if (bus != NULL) {
 
     uint8_t group = (bus->channel / 8), channel = (bus->channel % 8);
+    uint32_t max_duty = (1 << bus->channel_resolution); // Max LEDC duty
 
+    if (duty > max_duty) {
+      log_w("Target duty %d was adjusted to the maximum duty %d", duty, max_duty);
+      duty = max_duty;
+    }
+ 
     ledc_set_duty(group, channel, duty);
     ledc_update_duty(group, channel);
 
@@ -203,7 +209,12 @@ bool ledcWriteChannel(uint8_t channel, uint32_t duty) {
   //Fixing if all bits in resolution is set = LEDC FULL ON
   uint32_t resolution = 0;
   ledc_ll_get_duty_resolution(LEDC_LL_GET_HW(), group, timer, &resolution);
+  uint32_t max_duty = (1 << resolution); // Max LEDC duty
 
+  if (duty > max_duty) {
+    log_w("Target duty %d was adjusted to the maximum duty %d", duty, max_duty);
+    duty = max_duty;
+  }
   ledc_set_duty(group, channel, duty);
   ledc_update_duty(group, channel);