LoPoSo/80MhzConfig.txt
2020-11-17 09:18:58 +01:00

45 lines
No EOL
1.1 KiB
Text

void SystemClock_Config(void)
{
LL_FLASH_SetLatency(LL_FLASH_LATENCY_4);
while(LL_FLASH_GetLatency()!= LL_FLASH_LATENCY_4)
{
}
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
LL_RCC_MSI_Enable();
/* Wait till MSI is ready */
while(LL_RCC_MSI_IsReady() != 1)
{
}
LL_RCC_MSI_EnableRangeSelection();
LL_RCC_MSI_SetRange(LL_RCC_MSIRANGE_6);
LL_RCC_MSI_SetCalibTrimming(0);
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_MSI, LL_RCC_PLLM_DIV_1, 40, LL_RCC_PLLR_DIV_2);
LL_RCC_PLL_EnableDomain_SYS();
LL_RCC_PLL_Enable();
/* Wait till PLL is ready */
while(LL_RCC_PLL_IsReady() != 1)
{
}
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
/* Wait till System clock is ready */
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
{
}
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
LL_SetSystemCoreClock(80000000);
/* Update the time base */
if (HAL_InitTick (TICK_INT_PRIORITY) != HAL_OK)
{
Error_Handler();
}
}