diff options
Diffstat (limited to 'src/lib/rcc.h')
| -rw-r--r-- | src/lib/rcc.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/lib/rcc.h b/src/lib/rcc.h index e3c80bd..5c9591b 100644 --- a/src/lib/rcc.h +++ b/src/lib/rcc.h @@ -11,7 +11,7 @@ #define RCC_CR (RCC_BASE + 0x0) #define RCC_CFGR (RCC_BASE + 0x4) #define RCC_CIR (RCC_BASE + 0x8) -#define RCC_APB2STR (RCC_BASE + 0xC) +#define RCC_APB2RSTR (RCC_BASE + 0xC) #define RCC_APB1RSTR (RCC_BASE + 0x10) #define RCC_AHBENR (RCC_BASE + 0x14) #define RCC_APB2ENR (RCC_BASE + 0x18) @@ -24,6 +24,7 @@ #define HSEON BIT(16) #define HSERDY *(volatile uint32_t*)(BITBAND_PERI(RCC_CR + 2, 0)) +#define ADCPRE 0x0000C000 #define HPRE 0x000000F0 #define PPRE2 0x00003800 // apb2 high speed prescaler #define PPRE1 0x00000700 // apb1 low-speed prescaler @@ -34,6 +35,7 @@ #define SYSCLK_DIV_1 (0x0 << 4) #define HCLK_DIV_1 0 #define HCLK_DIV_2 0x00000400 +#define PCLK2_DIV_2 0x00008000 #define PLLRDY BIT(25) #define PLLON BIT(24) @@ -42,6 +44,18 @@ #define RCC_CFGR_SWS 0x00000003 #define RCC_CFGR_SWS_PLL 0x00000002 +/* APB2 reset bits */ +#define RCC_APB2RSTR_USART1RST BIT(14) +#define RCC_APB2RSTR_SPI1RST BIT(12) +#define RCC_APB2RSTR_TIM1RST BIT(11) +#define RCC_APB2RSTR_ADC2RST BIT(10) +#define RCC_APB2RSTR_ADC1RST BIT(9) +#define RCC_APB2RSTR_IOERST BIT(6) +#define RCC_APB2RSTR_IODRST BIT(5) +#define RCC_APB2RSTR_IOCRST BIT(4) +#define RCC_APB2RSTR_IOBRST BIT(3) +#define RCC_APB2RSTR_IOARST BIT(2) +#define RCC_APB2RSTR_AFIORST BIT(0) /* APB2 peripheral clock enable bits */ #define RCC_APB2ENR_USART1EN BIT(14) @@ -78,7 +92,15 @@ #define rcc_enable_clk_usart2() __set_bits(RCC_APB1ENR, RCC_APB1ENR_USART2EN) #define rcc_enable_clk_usart3() __set_bits(RCC_APB1ENR, RCC_APB1ENR_USART3EN) +#define rcc_enable_clk_adc1() __set_bits(RCC_APB2ENR, RCC_APB2ENR_ADC1EN) + +#define rcc_reset_adc1() { __set_bits(RCC_APB2RSTR, RCC_APB2RSTR_ADC1RST); \ + __clear_bits(RCC_APB2RSTR, RCC_APB2RSTR_ADC1RST); \ + } + + void rcc_init(void); +void rcc_set_adc_prescaler(uint32_t divider); #endif |