fix: allow to disable HAL CRC module

Thanks to @patricklaf comment.

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

cores/arduino/stm32/stm32yyxx_hal_conf.h

@@ -28,6 +28,12 @@
   #undef HAL_ADC_MODULE_ENABLED
 #endif
 
+#if !defined(HAL_CRC_MODULE_DISABLED)
+  #define HAL_CRC_MODULE_ENABLED
+#else
+  #undef HAL_CRC_MODULE_ENABLED
+#endif
+
 #if !defined(HAL_I2C_MODULE_DISABLED)
   #define HAL_I2C_MODULE_ENABLED
 #else
@@ -70,12 +76,6 @@
   #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
  */

libraries/SrcWrapper/src/stm32/clock.c

@@ -174,12 +174,14 @@ void configIPClock(void)
   __HAL_RCC_SYSCFG_CLK_ENABLE();
 #endif
 
+#if defined(HAL_CRC_MODULE_ENABLED)
   /* 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
+#endif
 }
 
 #ifdef __cplusplus

libraries/SrcWrapper/src/stm32/hw_config.c

@@ -19,14 +19,17 @@
 extern "C" {
 #endif
 
-#ifdef CRC2_BASE
-#define CRC_INSTANCE CRC2
+#if defined(HAL_CRC_MODULE_ENABLED)
+CRC_HandleTypeDef hcrc = {.Instance =
+#if defined(CRC2_BASE)
+                            CRC2
 #elif defined(CRC_BASE)
-#define CRC_INSTANCE CRC
+                            CRC
 #else
-#error "No CRC instance available"
+#error "No CRC instance available!"
+#endif
+                         };
 #endif
-CRC_HandleTypeDef hcrc = {.Instance = CRC_INSTANCE};
 
 /**
   * @brief  This function performs the global init of the system (HAL, IOs...)
@@ -63,7 +66,7 @@ void hw_config_init(void)
   SystemClock_Config();
 
   /* Initialize the CRC */
-#if defined(CRC_INSTANCE)
+#if defined(HAL_CRC_MODULE_ENABLED)
   HAL_CRC_Init(&hcrc);
 #endif