Contrib: RCC controls for CRC
Posted: Sun Nov 20, 2016 1:02 pm
Using Hardware CRC from Chibios-Contrib needs rcc control functions for CRC peripheral. These are missing from stm32_rcc.
Propsed patch will add them:
https://github.com/kimmoli/ChibiOS/comm ... 7d6fcc0951
< barthess> kimmoli: there is no place for RCC stuff in contrib. Create topic on forum with patch attached.
Propsed patch will add them:
https://github.com/kimmoli/ChibiOS/comm ... 7d6fcc0951
Code: Select all
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h b/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h
index 6f3e269..4de320c 100644
--- a/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h
+++ b/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h
@@ -1551,6 +1551,36 @@
/** @} */
/**
+ * @name CRC peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the CRC peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCRC(lp) rccEnableAHB1(RCC_AHB1ENR_CRCEN, lp)
+
+/**
+ * @brief Disables the CRC peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCRC(lp) rccDisableAHB1(RCC_AHB1ENR_CRCEN, lp)
+
+/**
+ * @brief Resets the CRC peripheral.
+ *
+ * @api
+ */
+#define rccResetCRC() rccResetAHB1(RCC_AHB1RSTR_CRCRST)
+/** @} */
+
+/**
* @name FSMC peripherals specific RCC operations
* @{
*/
