Rainbow case: TODO

[home-hw.git] / ssr / Src / main.c

diff --git a/ssr/Src/main.c b/ssr/Src/main.c
index 9d6a7530d32ea7568c72bd8aca8d89c75d9f5988..490bcf171669946241f292df4ce184125357c7ea 100644 (file)
--- a/ssr/Src/main.c
+++ b/ssr/Src/main.c
@@ -52,11 +52,11 @@
 /* Private variables ---------------------------------------------------------*/
 
 PCD_HandleTypeDef hpcd_USB_FS;
-volatile byte led_trigger;
 
 /* USER CODE BEGIN PV */
 /* Private variables ---------------------------------------------------------*/
 struct usb usb;
+volatile byte timer_ticked;
 
 /* USER CODE END PV */
 
@@ -109,6 +109,11 @@ static void process_packet(void)
          put_u32_be(tx_packet, 0);
        }
       break;
+
+    case 2:
+      put_u32_be(tx_packet, 0);
+      put_u32_be(tx_packet+4, ds_current_temp);
+      break;
     }
 
   debug_printf(">> status %08x\n", get_u32_be(tx_packet));
@@ -170,21 +175,24 @@ int main(void)
   LL_TIM_EnableIT_UPDATE(TIM4);
   LL_TIM_GenerateEvent_UPDATE(TIM4);
 
+  ds_init();
+
   /* USER CODE END 2 */
 
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   while (1)
   {
-    if (led_trigger)
+    if (timer_ticked)
       {
-       led_trigger = 0;
+       timer_ticked = 0;
        static byte led_state;
        if (led_state)
          LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
        else
          LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
        led_state ^= 1;
+       ds_step();
       }
 
     if (rx_packet_state == 1 && !tx_packet_state)
@@ -337,7 +345,7 @@ static void MX_TIM3_Init(void)
   GPIO_InitStruct.Pin = THERMO_Pin;
   GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
   GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
-  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
+  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
   LL_GPIO_Init(THERMO_GPIO_Port, &GPIO_InitStruct);
 
 }
@@ -443,8 +451,9 @@ static void MX_USB_PCD_Init(void)
   */
 static void MX_DMA_Init(void) 
 {
+  /* Init with LL driver */
   /* DMA controller clock enable */
-  __HAL_RCC_DMA1_CLK_ENABLE();
+  LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA1);
 
   /* DMA interrupt init */
   /* DMA1_Channel6_IRQn interrupt configuration */
@@ -491,6 +500,10 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
   LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
+  // XXX: By some magic, the above initialization does not always work,
+  // so we repeat it here.
+  LL_GPIO_SetOutputPin(GPIOB, SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin);
+
 }
 
 /* USER CODE BEGIN 4 */