//本文選擇16M內部RC震盪,分頻爲1 即系統時鐘爲16M
void CLK_HSICmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONALSTATE_OK(NewState));
if (NewState != DISABLE)
{
/* Set HSIEN bit */
CLK->ICKR |= CLK_ICKR_HSIEN;
}
else
{
/* Reset HSIEN bit */
CLK->ICKR &= (u8)(~CLK_ICKR_HSIEN);
}
}
void CLK_HSIPrescalerConfig(CLK_Prescaler_TypeDef HSIPrescaler)
{
/* check the parameters */
assert_param(IS_CLK_HSIPRESCALER_OK(HSIPrescaler));
/* Clear High speed internal clock prescaler */
CLK->CKDIVR &= (u8)(~CLK_CKDIVR_HSIDIV);
/* Set High speed internal clock prescaler */
CLK->CKDIVR |= (u8)HSIPrescaler;
}
void CLK_Configuration(void)
{
CLK_HSICmd(ENABLE);/* Set HSIEN bit */
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); /* Fmaster = 16MHz */
}
//初始化時,調用以下函數即可:
CLK_Configuration();
stm8s 時鐘庫函數選擇內部RC初始化
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