diff options
Diffstat (limited to 'Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_ll_rcc.c')
| -rw-r--r-- | Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_ll_rcc.c | 85 |
1 files changed, 83 insertions, 2 deletions
diff --git a/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_ll_rcc.c b/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_ll_rcc.c index 1a964c467..23aa838de 100644 --- a/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_ll_rcc.c +++ b/Drivers/STM32WBxx_HAL_Driver/Src/stm32wbxx_ll_rcc.c @@ -72,6 +72,9 @@ #define IS_LL_RCC_ADC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_ADC_CLKSOURCE)) +#if defined(SPI_I2S_SUPPORT) +#define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) ((__VALUE__) == LL_RCC_I2S_CLKSOURCE) +#endif /** * @} */ @@ -81,7 +84,9 @@ * @{ */ uint32_t RCC_PLL_GetFreqDomain_SYS(void); +#if defined(SAI1) uint32_t RCC_PLL_GetFreqDomain_SAI(void); +#endif uint32_t RCC_PLL_GetFreqDomain_ADC(void); uint32_t RCC_PLL_GetFreqDomain_48M(void); @@ -91,6 +96,10 @@ uint32_t RCC_PLLSAI1_GetFreqDomain_48M(void); uint32_t RCC_PLLSAI1_GetFreqDomain_ADC(void); #endif +#if defined(SPI_I2S_SUPPORT) +uint32_t RCC_PLL_GetFreqDomain_I2S(void); +#endif + uint32_t RCC_GetSystemClockFreq(void); @@ -349,7 +358,6 @@ uint32_t LL_RCC_GetSMPSClockFreq(void) return smps_frequency; } - #endif /** @@ -616,12 +624,15 @@ uint32_t LL_RCC_GetSAIClockFreq(uint32_t SAIxSource) } break; +#if defined(SAI1) case LL_RCC_SAI1_CLKSOURCE_PLLSAI1: /* PLLSAI1 clock used as SAI1 clock source */ if (LL_RCC_PLLSAI1_IsReady() == 1U) { sai_frequency = RCC_PLLSAI1_GetFreqDomain_SAI(); } break; +#endif + case LL_RCC_SAI1_CLKSOURCE_PLL: /* PLL clock used as SAI1 clock source */ if (LL_RCC_PLL_IsReady() == 1U) { @@ -775,7 +786,7 @@ uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource) adc_frequency = RCC_GetSystemClockFreq(); break; - case LL_RCC_ADC_CLKSOURCE_PLL: /* PLL clock used as USB clock source */ + case LL_RCC_ADC_CLKSOURCE_PLL: /* PLL clock used as ADC clock source */ if (LL_RCC_PLL_IsReady() == 1U) { adc_frequency = RCC_PLL_GetFreqDomain_ADC(); @@ -874,6 +885,46 @@ uint32_t LL_RCC_GetRFWKPClockFreq(void) return rfwkp_frequency; } +#if defined(SPI_I2S_SUPPORT) +/** + * @brief Return I2Sx clock frequency + * @param I2SxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_I2S_CLKSOURCE + * @retval I2S clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator (HSI) or PLLs (PLL) is not ready + */ +uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource) +{ + uint32_t i2s_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_I2S_CLKSOURCE(I2SxSource)); + + /* I2SCLK clock frequency */ + switch (LL_RCC_GetI2SClockSource(I2SxSource)) + { + case LL_RCC_I2S_CLKSOURCE_PLL: /* I2S2 Clock is PLL"P" */ + if (LL_RCC_PLL_IsReady() == 1U) + { + i2s_frequency = RCC_PLL_GetFreqDomain_I2S(); + } + break; + + case LL_RCC_I2S_CLKSOURCE_PIN: /* I2S2 Clock is External clock */ + i2s_frequency = EXTERNAL_CLOCK_VALUE; + break; + + case LL_RCC_I2S_CLKSOURCE_HSI: /* HSI clock used as I2S clock source */ + default: + if (LL_RCC_HSI_IsReady() == 1U) + { + i2s_frequency = HSI_VALUE; + } + break; + } + return i2s_frequency; +} +#endif /** * @} @@ -1312,6 +1363,36 @@ uint32_t RCC_PLLSAI1_GetFreqDomain_ADC(void) } #endif +#if defined(SPI_I2S_SUPPORT) +/** + * @brief Return PLL clock frequency used for I2S domain + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_I2S(void) +{ + uint32_t pllinputfreq, pllsource; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN + I2S Domain clock = PLL_VCO / PLLP + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLCLK_I2S_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetP()); +} +#endif + /** * @} */ |