diff options
Diffstat (limited to 'libmaple/stm32f2/include')
| -rw-r--r-- | libmaple/stm32f2/include/series/rcc.h | 66 |
1 files changed, 44 insertions, 22 deletions
diff --git a/libmaple/stm32f2/include/series/rcc.h b/libmaple/stm32f2/include/series/rcc.h index 89fed1d..019bb3e 100644 --- a/libmaple/stm32f2/include/series/rcc.h +++ b/libmaple/stm32f2/include/series/rcc.h @@ -738,12 +738,30 @@ typedef struct rcc_reg_map { #define RCC_PLLI2SCFGR_PLLI2SN (0x1FF << 6) /* - * Other types + * Clock sources, domains, and peripheral clock IDs. */ -/* - * Clock sources, domains, and peripheral clock IDs. +/** + * @brief Available clock sources. */ +typedef enum rcc_clk { + RCC_CLK_PLLI2S = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_PLLI2SON_BIT), /**< Dedicated PLL + for I2S. */ + RCC_CLK_PLL = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_PLLON_BIT), /**< Main PLL, clocked by + HSI or HSE. */ + RCC_CLK_HSE = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_HSEON_BIT), /**< High speed external. */ + RCC_CLK_HSI = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_HSION_BIT), /**< High speed internal. */ + RCC_CLK_LSE = (uint16)((offsetof(struct rcc_reg_map, BDCR) << 8) | + RCC_BDCR_LSEON_BIT), /**< Low-speed external + * (32.768 KHz). */ + RCC_CLK_LSI = (uint16)((offsetof(struct rcc_reg_map, CSR) << 8) | + RCC_CSR_LSION_BIT), /**< Low-speed internal + * (approximately 32 KHz). */ +} rcc_clk; /** * @brief Identifies bus and clock line for a peripheral or peripheral @@ -915,27 +933,31 @@ typedef enum rcc_ahb_divider { RCC_AHB_SYSCLK_DIV_512 = RCC_CFGR_HPRE_SYSCLK_DIV_512, } rcc_ahb_divider; +/* + * Series-specific PLL configuration. + */ + /** - * @brief Available clock sources. + * @brief STM32F2-specific PLL configuration values. + * + * Use this as the "data" field in a struct rcc_pll_cfg. + * + * @see struct rcc_pll_cfg. */ -typedef enum rcc_clk { - RCC_CLK_PLLI2S = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | - RCC_CR_PLLI2SON_BIT), /**< Dedicated PLL - for I2S. */ - RCC_CLK_PLL = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | - RCC_CR_PLLON_BIT), /**< Main PLL, clocked by - HSI or HSE. */ - RCC_CLK_HSE = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | - RCC_CR_HSEON_BIT), /**< High speed external. */ - RCC_CLK_HSI = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | - RCC_CR_HSION_BIT), /**< High speed internal. */ - RCC_CLK_LSE = (uint16)((offsetof(struct rcc_reg_map, BDCR) << 8) | - RCC_BDCR_LSEON_BIT), /**< Low-speed external - * (32.768 KHz). */ - RCC_CLK_LSI = (uint16)((offsetof(struct rcc_reg_map, CSR) << 8) | - RCC_CSR_LSION_BIT), /**< Low-speed internal - * (approximately 32 KHz). */ -} rcc_clk; +typedef struct stm32f2_rcc_pll_data { + uint8 pllq; /**< + * @brief PLLQ value. + * Allowed values: 4, 5, ..., 15. */ + uint8 pllp; /**< + * @brief PLLP value. + * Allowed values: 2, 4, 6, 8. */ + uint16 plln; /**< + * @brief PLLN value. + * Allowed values: 192, 193, ..., 432. */ + uint8 pllm; /**< + * @brief PLLM value. + * Allowed values: 2, 3, ..., 63. */ +} stm32f2_rcc_pll_data; #ifdef __cplusplus } |