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stm32l4: rcc: MSI range handling

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This commit is contained in:
Karl Palsson
2016-03-12 22:16:09 +00:00
parent 97d644c4d3
commit c5b00c3dda
2 changed files with 47 additions and 0 deletions
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18
include/libopencm3/stm32/l4/rcc.h
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@@ -115,6 +115,18 @@ Twelve frequency ranges are available: 100 kHz, 200 kHz, 400 kHz, 800 kHz,
@{*/
#define RCC_CR_MSIRANGE_SHIFT 4
#define RCC_CR_MSIRANGE_MASK 0xf
#define RCC_CR_MSIRANGE_100KHZ 0
#define RCC_CR_MSIRANGE_200KHZ 1
#define RCC_CR_MSIRANGE_400KHZ 2
#define RCC_CR_MSIRANGE_800KHZ 3
#define RCC_CR_MSIRANGE_1MHZ 4
#define RCC_CR_MSIRANGE_2MHZ 5
#define RCC_CR_MSIRANGE_4MHZ 6
#define RCC_CR_MSIRANGE_8MHZ 7
#define RCC_CR_MSIRANGE_16MHZ 8
#define RCC_CR_MSIRANGE_24MHZ 9
#define RCC_CR_MSIRANGE_32MHZ 10
#define RCC_CR_MSIRANGE_48MHZ 11
/*@}*/
#define RCC_CR_MSIRGSEL (1 << 3)
#define RCC_CR_MSIPLLEN (1 << 2)
@@ -674,6 +686,10 @@ Twelve frequency ranges are available: 100 kHz, 200 kHz, 400 kHz, 800 kHz,
@{*/
#define RCC_CSR_MSIRANGE_MASK 0xf
#define RCC_CSR_MSIRANGE_SHIFT 8
#define RCC_CSR_MSIRANGE_1MHZ 4
#define RCC_CSR_MSIRANGE_2MHZ 5
#define RCC_CSR_MSIRANGE_4MHZ 6
#define RCC_CSR_MSIRANGE_8MHZ 7
/*@}*/
#define RCC_CSR_LSIRDY (1 << 1)
@@ -930,6 +946,8 @@ void rcc_set_ppre1(uint32_t ppre1);
void rcc_set_hpre(uint32_t hpre);
void rcc_set_main_pll(uint32_t source, uint32_t pllm, uint32_t plln, uint32_t pllp, uint32_t pllq, uint32_t pllr);
uint32_t rcc_system_clock_source(void);
void rcc_set_msi_range(uint32_t msi_range);
void rcc_set_msi_range_standby(uint32_t msi_range);
END_DECLS