Added files

rgbled.c

@@ -0,0 +1,76 @@
+/*
+ * rgbled.c
+ *
+ *  Created on: Nov 11, 2021
+ *      Author: dooku
+ */
+
+#include "rgbled.h"
+
+static rgbled_context_t *rgbled_context;
+static uint8_t rgbled_intensity = RGBLED_MAX_INTENSITY; /* LED intensity from 0 (off) to RGBLED_MAX_INTENSITY (full power) */
+
+int8_t rgbled_init(rgbled_context_t *context)
+{
+	if (context == NULL) {
+		return RGBLED_ERROR;
+	}
+	rgbled_context = context;
+
+	return RGBLED_OK;
+}
+
+int8_t rgbled_set_color(uint8_t R, uint8_t G, uint8_t B)
+{
+	uint8_t colors[3];
+	uint8_t i;
+
+	colors[0] = (uint32_t)R * rgbled_intensity / RGBLED_MAX_INTENSITY;
+	colors[1] = (uint32_t)G * rgbled_intensity / RGBLED_MAX_INTENSITY;
+	colors[2] = (uint32_t)B * rgbled_intensity / RGBLED_MAX_INTENSITY;
+	for (i = 0; i < 3; i++) {
+		if (colors[i] > RGBLED_PERIOD) {
+			return RGBLED_ERROR;
+		}
+	}
+	for (i = 0; i < 3; i++) {
+		switch (rgbled_context->channel_array[i]) {
+		case 1:
+			LL_TIM_OC_SetCompareCH1(rgbled_context->timer_array[i], (uint32_t)(RGBLED_PERIOD - colors[i]));
+			break;
+		case 2:
+			LL_TIM_OC_SetCompareCH2(rgbled_context->timer_array[i], (uint32_t)(RGBLED_PERIOD - colors[i]));
+			break;
+		case 3:
+			LL_TIM_OC_SetCompareCH3(rgbled_context->timer_array[i], (uint32_t)(RGBLED_PERIOD - colors[i]));
+			break;
+		case 4:
+			LL_TIM_OC_SetCompareCH4(rgbled_context->timer_array[i], (uint32_t)(RGBLED_PERIOD - colors[i]));
+			break;
+		default:
+			return RGBLED_WRONG_CHANNEL;
+		}
+	}
+	return RGBLED_OK;
+}
+
+int8_t rgbled_set_intensity(uint8_t intensity)
+{
+	if (intensity > RGBLED_MAX_INTENSITY) {
+		return RGBLED_ERROR;
+	}
+	rgbled_intensity = intensity;
+}
+
+int8_t rgbled_get_intensity(uint8_t *intensity)
+{
+	if (intensity == NULL) {
+		return RGBLED_ERROR;
+	}
+	*intensity = rgbled_intensity;
+}
+
+int8_t rgbled_off(void)
+{
+	rgbled_set_color(RGBLED_OFF);
+}