Effects added :-)

Core/Inc/ws2812_drv.h

@@ -0,0 +1,28 @@
+/*
+ * ws2812.h
+ *
+ *  Created on: Mar 25, 2026
+ *      Author: ewars
+ */
+
+#ifndef INC_WS2812_DRV_H_
+#define INC_WS2812_DRV_H_
+
+#include "stdint-gcc.h"
+
+
+#define LED_N				24
+#define RESET_LEN			50
+
+#define PWM_ZERO			29
+#define PWM_ONE				58
+
+
+void ws2812_Init(void);
+void ws2812_update(void);
+void ws2812_set_colour(uint8_t led, uint8_t red, uint8_t green, uint8_t blue);
+void ws2812_wait(void);
+void ws2812_reset(void);
+
+
+#endif /* INC_WS2812_DRV_H_ */

Core/Inc/ws2812_effect.h

@@ -0,0 +1,18 @@
+/*
+ * ws2812_effect.h
+ *
+ *  Created on: Mar 25, 2026
+ *      Author: ewars
+ */
+
+#ifndef INC_WS2812_EFFECT_H_
+#define INC_WS2812_EFFECT_H_
+
+
+void ws_Effect_RoudTheClock(void);
+void ws_Effect_RandRound(void);
+void ws_Effect_RandRand(void);
+
+
+
+#endif /* INC_WS2812_EFFECT_H_ */

Core/Src/main.c

@@ -24,8 +24,7 @@
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
-#include <stdlib.h>
-#include "ws2812.h"
+#include "ws2812_effect.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -98,6 +97,8 @@ int main(void)
 
   ws2812_Init();
 
+  uint32_t mytimer = 0;
+
 
   /* USER CODE END 2 */
 
@@ -109,24 +110,27 @@ int main(void)
 
     /* USER CODE BEGIN 3 */
 
-	uint8_t r = rand();
-	uint8_t g = rand();
-	uint8_t b = rand();
+#define EFFECT_TIME 5000
 
-	for (uint8_t led = 0; led < 24; led++) {
+	mytimer = HAL_GetTick();
+	while(mytimer + EFFECT_TIME > HAL_GetTick()){
+		ws_Effect_RoudTheClock();
+    }
 
-	  uint8_t r = rand();
-	  uint8_t g = rand();
-	  uint8_t b = rand();
 
-	  ws2812_reset();
-
-	  ws2812_set_colour(led, r, g, b);
-	  ws2812_update();
-	  HAL_Delay(20);
+	mytimer = HAL_GetTick();
+	while(mytimer + EFFECT_TIME > HAL_GetTick()){
+		ws_Effect_RandRound();
 	}
 
-	HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
+
+	mytimer = HAL_GetTick();
+	while(mytimer + EFFECT_TIME > HAL_GetTick()){
+		ws_Effect_RandRand();
+	}
+
+
+	//HAL_GPIO_TogglePin(LED_Green_GPIO_Port, LED_Green_Pin);
 
   }
   /* USER CODE END 3 */

Core/Src/ws2812_drv.c

@@ -0,0 +1,72 @@
+/*
+ * ws2812.c
+ *
+ *  Created on: Mar 25, 2026
+ *      Author: ewars
+ */
+
+#include <ws2812_drv.h>
+#include "stm32f1xx_hal.h"
+
+extern htim2;
+
+static void set_byte(uint32_t pos, uint8_t value);
+
+uint8_t pwm_reset[RESET_LEN] = {0};
+uint8_t pwm_full = 90;
+
+uint8_t ledStripBuffer[RESET_LEN +  LED_N * 24 + 1] = {0};
+
+void ws2812_Init(void){
+
+	for(uint32_t i = 0; i < LED_N * 24; i++){
+		ledStripBuffer[RESET_LEN + i] = PWM_ONE;
+	}
+
+	ledStripBuffer[RESET_LEN + LED_N * 24] = pwm_full;
+
+	ws2812_update();
+
+}
+
+void ws2812_update(void){
+	HAL_TIM_PWM_Start_DMA(&htim2, TIM_CHANNEL_1, ledStripBuffer, sizeof(ledStripBuffer));
+}
+
+void ws2812_set_colour(uint8_t led, uint8_t red, uint8_t green, uint8_t blue){
+
+	if(led < LED_N){
+		set_byte(RESET_LEN + 24 * led, green);
+		set_byte(RESET_LEN + 24 * led + 8, red);
+		set_byte(RESET_LEN + 24 * led + 16, blue);
+	}
+
+}
+
+void ws2812_reset(void){
+	for(uint8_t i = 0; i < LED_N; i++){
+		ws2812_set_colour(i, 0, 0, 0);
+	}
+}
+
+static void set_byte(uint32_t pos, uint8_t value)
+{
+  int i;
+  for (i = 0; i < 8; i++) {
+    if (value & 0x80) {
+      ledStripBuffer[pos + i] = PWM_ONE;
+    } else {
+      ledStripBuffer[pos + i] = PWM_ZERO;
+    }
+
+    value <<= 1;
+  }
+}
+
+
+
+void ws2812_wait(void){
+	while(HAL_TIM_GetChannelState(&htim2, TIM_CHANNEL_1)){}
+}
+
+

Core/Src/ws2812_effect.c

@@ -0,0 +1,60 @@
+/*
+ * ws2812_effect.c
+ *
+ *  Created on: Mar 25, 2026
+ *      Author: ewars
+ */
+
+
+#include "ws2812_effect.h"
+#include "ws2812_drv.h"
+#include <stdlib.h>
+
+void ws_Effect_RoudTheClock(void){
+
+	uint8_t r = rand();
+	uint8_t g = rand();
+	uint8_t b = rand();
+
+	for (uint8_t led = 0; led < 24; led++) {
+
+	  ws2812_reset();
+
+	  ws2812_set_colour(led, r, g, b);
+	  ws2812_update();
+	  HAL_Delay(20);
+	}
+
+}
+
+
+void ws_Effect_RandRound(void){
+
+	uint8_t r = rand();
+	uint8_t g = rand();
+	uint8_t b = rand();
+
+	for (uint8_t led = 0; led < 24; led++) {
+
+
+	  ws2812_set_colour(led, r, g, b);
+	  ws2812_update();
+	  HAL_Delay(20);
+	}
+}
+
+
+void ws_Effect_RandRand(void){
+
+	#define RAND_MAX	255
+	uint8_t r = rand();
+	uint8_t g = rand();
+	uint8_t b = rand();
+
+	#define RAND_MAX	24
+	uint8_t led = rand();
+
+	ws2812_set_colour(led, r, g, b);
+	ws2812_update();
+	HAL_Delay(1);
+}