stm driver.zip_stm8 ad 驱动程序_stm8s003_stm8s003 AD_stm8s003 ad

void timer4_init(void)//1ms { TIM4_IER = 0x00; //禁止中断 TIM4_PSCR = 7;//4; //预分频系数为128 计数器周期64us TIM4_CNTR = 0; //计数器初值 TIM4_ARR = 63; //设定重装载时寄存器值（10ms/64us=156.25） TIM4_EGR = 0x01; TIM4_CR1 = 0x01; //允许计数器工作 TIM4_SR &= 0xfe; //清除更新标志 TIM4_IER = 0x01; //允许更新中断 // TIM4_CR1 = 0x01; // TIM4_IER = 0x01; // TIM4_CNTR = 0; // TIM4_PSCR=7; //1MHz,计数器为1时定时时间约64us // TIM4_ARR=0xff; // TIM4_EGR=1; //重新初始化寄存器 }