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Add generic STM32F2 RCC clock function

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This commit is contained in:
Stephen Caudle
2011-10-31 00:17:41 -04:00
parent 580d25a84b
commit 05bc9d10f1
2 changed files with 53 additions and 24 deletions
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22
include/libopencm3/stm32/f2/rcc.h
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@@ -455,6 +455,26 @@ extern u32 rcc_ppre2_frequency;
/* --- Function prototypes ------------------------------------------------- */
typedef enum {
CLOCK_3V3_120MHZ,
CLOCK_3V3_END
} clock_3v3_t;
typedef struct {
uint8_t pllm;
uint16_t plln;
uint8_t pllp;
uint8_t pllq;
uint32_t flash_config;
uint8_t hpre;
uint8_t ppre1;
uint8_t ppre2;
uint32_t apb1_frequency;
uint32_t apb2_frequency;
} clock_scale_t;
extern const clock_scale_t hse_8mhz_3v3[CLOCK_3V3_END];
typedef enum {
PLL, HSE, HSI, LSE, LSI
} osc_t;
@@ -486,7 +506,7 @@ void rcc_set_rtcpre(u32 rtcpre);
void rcc_set_main_pll_hsi(u32 pllm, u32 plln, u32 pllp, u32 pllq);
void rcc_set_main_pll_hse(u32 pllm, u32 plln, u32 pllp, u32 pllq);
u32 rcc_get_system_clock_source(int i);
void rcc_clock_setup_in_hse_8mhz_out_120mhz(void);
void rcc_clock_setup_hse_3v3(const clock_scale_t *clock);
void rcc_backupdomain_reset(void);
#endif