bstanwell/ch32v20x-examples
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This commit is contained in:
qiyongshuang
2024-11-11 14:32:11 +08:00
parent c4c38f507e
commit 961943f623
452 changed files with 9316 additions and 862 deletions
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EVT/EXAM/USB/USBFS/DEVICE/CH372Device/User/system_ch32v20x.c
+5 -5
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@@ -22,8 +22,8 @@
//#define SYSCLK_FREQ_48MHz_HSE 48000000
//#define SYSCLK_FREQ_56MHz_HSE 56000000
//#define SYSCLK_FREQ_72MHz_HSE 72000000
#define SYSCLK_FREQ_96MHz_HSE 96000000
//#define SYSCLK_FREQ_120MHz_HSE 120000000
//#define SYSCLK_FREQ_96MHz_HSE 96000000
#define SYSCLK_FREQ_120MHz_HSE 120000000
//#define SYSCLK_FREQ_144MHz_HSE 144000000
//#define SYSCLK_FREQ_HSI HSI_VALUE
//#define SYSCLK_FREQ_48MHz_HSI 48000000
@@ -159,8 +159,8 @@ void SystemCoreClockUpdate (void)
}
else
{
#if defined (CH32V20x_D8W)
if((RCC->CFGR0 & (3<<22)) == (3<<22))
#if defined (CH32V20x_D8W) || defined (CH32V20x_D8)
if(((RCC->CFGR0 & (3<<22)) == (3<<22)) && (RCC_USB5PRE_JUDGE()== SET))
{
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
}
@@ -624,7 +624,7 @@ static void SetSysClockTo120_HSE(void)
if(HSEStatus == (uint32_t)0x01)
{
#if defined (CH32V20x_D8W)
#if defined (CH32V20x_D8W) || defined (CH32V20x_D8)
RCC->CFGR0 |= (uint32_t)(3<<22);
/* HCLK = SYSCLK/2 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;