diff options
Diffstat (limited to 'demo/cdc_startup.c')
| -rw-r--r-- | demo/cdc_startup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/demo/cdc_startup.c b/demo/cdc_startup.c index ee68bde..f5e7126 100644 --- a/demo/cdc_startup.c +++ b/demo/cdc_startup.c @@ -242,6 +242,12 @@ static void cdc_init_rcc (void) { _BMD(RCC->CFGR, RCC_CFGR_SW, RCC_CFGR_SW_PLL); _WVL(RCC->CFGR, RCC_CFGR_SWS, RCC_CFGR_SWS_PLL); _BST(RCC->CFGR3, RCC_CFGR3_USBSW_PLLCLK); +#elif defined(STM32F042x6) + /* set flash latency 1WS */ + _BST(FLASH->ACR, FLASH_ACR_LATENCY); + /* use HSI48 as clock incl. USB PHY clock, no PLL */ + _BST(RCC->CR2, RCC_CR2_HSI48ON); + _WBS(RCC->CR2, RCC_CR2_HSI48RDY); #elif defined(STM32G4) /* using HSI16 as AHB/CPU clock, HSI48 as USB PHY clock */ _BST(RCC->CRRCR, RCC_CRRCR_HSI48ON); |