diff options
| -rw-r--r-- | libmaple/include/libmaple/rcc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libmaple/include/libmaple/rcc.h b/libmaple/include/libmaple/rcc.h index 842800b..4a22b5e 100644 --- a/libmaple/include/libmaple/rcc.h +++ b/libmaple/include/libmaple/rcc.h @@ -91,10 +91,27 @@ void rcc_turn_off_clk(rcc_clk clock); int rcc_is_clk_ready(rcc_clk clock); /* Peripheral clock lines and clock domains. */ + void rcc_clk_enable(rcc_clk_id device); void rcc_reset_dev(rcc_clk_id device); rcc_clk_domain rcc_dev_clk(rcc_clk_id device); +/* Clock security system */ + +/** + * @brief Enable the clock security system (CSS). + */ +static inline void rcc_enable_css() { + RCC_BASE->CR |= RCC_CR_CSSON; +} + +/** + * @brief Disable the clock security system (CSS). + */ +static inline void rcc_disable_css() { + RCC_BASE->CR &= ~RCC_CR_CSSON; +} + #ifdef __cplusplus } // extern "C" #endif |