Init

2026-05-08 14:56:29 +02:00
commit e4a5ccb043
39 changed files with 2481 additions and 0 deletions
@@ -0,0 +1,39 @@
+#include "driver/ledc.h"
+#include "pins.h"
+
+#define LEDC_TIMER      LEDC_TIMER_0
+#define LEDC_MODE       LEDC_LOW_SPEED_MODE
+#define LEDC_CHANNEL    LEDC_CHANNEL_0
+#define LEDC_DUTY_RES   LEDC_TIMER_8_BIT
+
+void ir_pwm_init() {
+    ledc_timer_config_t timer = {
+        .speed_mode = LEDC_MODE,
+        .timer_num = LEDC_TIMER,
+        .duty_resolution = LEDC_DUTY_RES,
+        .freq_hz = 38000,
+        .clk_cfg = LEDC_AUTO_CLK
+    };
+    ledc_timer_config(&timer);
+
+    ledc_channel_config_t channel = {
+        .speed_mode = LEDC_MODE,
+        .channel = LEDC_CHANNEL,
+        .timer_sel = LEDC_TIMER,
+        .gpio_num = IR_LED,
+        .duty = 0,
+        .hpoint = 0
+    };
+    ledc_channel_config(&channel);
+}
+
+void ir_carrier_on() {
+    // ~50% duty cycle (strong IR signal)
+    ledc_set_duty(LEDC_MODE, LEDC_CHANNEL, 128);
+    ledc_update_duty(LEDC_MODE, LEDC_CHANNEL);
+}
+
+void ir_carrier_off() {
+    ledc_set_duty(LEDC_MODE, LEDC_CHANNEL, 0);
+    ledc_update_duty(LEDC_MODE, LEDC_CHANNEL);
+}