Add support to CRC peripheral by default

stm32duino · May 12, 2022 · 529a505 · 529a505
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commit 529a505
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Showing 3 changed files with 27 additions and 2 deletions.
diff --git a/cores/arduino/stm32/stm32yyxx_hal_conf.h b/cores/arduino/stm32/stm32yyxx_hal_conf.h
@@ -52,7 +52,6 @@
   #undef HAL_SAI_MODULE_ENABLED
 #endif
 
-
 #if !defined(HAL_SPI_MODULE_DISABLED)
   #define HAL_SPI_MODULE_ENABLED
 #else
@@ -71,6 +70,12 @@
   #undef HAL_ICACHE_MODULE_ENABLED
 #endif
 
+#if !defined(HAL_CRC_MODULE_ENABLED)
+  #define HAL_CRC_MODULE_ENABLED
+#else
+  #undef HAL_CRC_MODULE_ENABLED
+#endif
+
 /*
  * Not defined by default
  */
@@ -127,7 +132,6 @@
   HAL_CEC_MODULE_ENABLED
   HAL_COMP_MODULE_ENABLED
   HAL_CORDIC_MODULE_ENABLED
-  HAL_CRC_MODULE_ENABLED
   HAL_CRYP_MODULE_ENABLED
   HAL_DCMI_MODULE_ENABLED
   HAL_DFSDM_MODULE_ENABLED

diff --git a/libraries/SrcWrapper/src/stm32/clock.c b/libraries/SrcWrapper/src/stm32/clock.c
@@ -173,6 +173,13 @@ void configIPClock(void)
   /* Enable SYSCFG clock, needed for example: Pin remap or Analog switch ... */
   __HAL_RCC_SYSCFG_CLK_ENABLE();
 #endif
+
+/* Enable CRC clock, needed for example: MotionFX Library ... */
+#if defined(__HAL_RCC_CRC2_CLK_ENABLE)
+  __HAL_RCC_CRC2_CLK_ENABLE();
+#elif defined(__HAL_RCC_CRC_CLK_ENABLE)
+  __HAL_RCC_CRC_CLK_ENABLE();
+#endif
 }
 
 #ifdef __cplusplus

diff --git a/libraries/SrcWrapper/src/stm32/hw_config.c b/libraries/SrcWrapper/src/stm32/hw_config.c
@@ -19,6 +19,15 @@
 extern "C" {
 #endif
 
+#ifdef CRC2_BASE
+#define CRC_INSTANCE CRC2
+#elif defined(CRC_BASE)
+#define CRC_INSTANCE CRC
+#else
+#error "No CRC instance available"
+#endif
+CRC_HandleTypeDef hcrc = {.Instance = CRC_INSTANCE};
+
 /**
   * @brief  This function performs the global init of the system (HAL, IOs...)
   * @param  None
@@ -53,6 +62,11 @@ void hw_config_init(void)
   /* Configure the system clock */
   SystemClock_Config();
 
+  /* Initialize the CRC */
+#if defined(CRC_INSTANCE)
+  HAL_CRC_Init(&hcrc);
+#endif
+
 #if defined (USBCON) && defined(USBD_USE_CDC)
   USBD_CDC_init();
 #endif