#include "interrupt_interface.h"
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#include "cpu.h"
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#include "wtd.h"
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static __IO uint32_t g_tick = 0;
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static void Interrupt()
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{
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g_tick = 1;
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}
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/*!
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* @brief 时钟节拍
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* @param [in] void
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* @note null
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*/
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void TickTime()
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{
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// WatchDogService();
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while (!g_tick)
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;
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g_tick = 0;
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}
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/*!
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* @brief 时钟配置
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* @param [in] void
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* @note null
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*/
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void CLK_Config(void)
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{
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/* Initialization of the clock */
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/* Clock divider to HSI/1 */
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CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
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// CLK_ClockSwitchConfig(CLK_SWITCHMODE_AUTO, CLK_SOURCE_HSE, DISABLE, CLK_CURRENTCLOCKSTATE_DISABLE);
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CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER1, ENABLE);
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CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER2, ENABLE);
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CLK_PeripheralClockConfig(CLK_PERIPHERAL_ADC, ENABLE);
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CLK_PeripheralClockConfig(CLK_PERIPHERAL_UART2, ENABLE);
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}
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/*!
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* @brief 定时器4配置
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* @param [in] void
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* @note null
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*/
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static void TIM4_Config(void)
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{
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/* TIM4 configuration:
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- TIM4CLK is set to 16 MHz, the TIM4 Prescaler is equal to 128 so the TIM1 counter
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clock used is 16 MHz / 128 = 125 000 Hz
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- With 125 000 Hz we can generate time base:
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max time base is 2.048 ms if TIM4_PERIOD = 255 --> (255 + 1) / 125000 = 2.048 ms
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min time base is 0.016 ms if TIM4_PERIOD = 1 --> ( 1 + 1) / 125000 = 0.016 ms
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- In this example we need to generate a time base equal to 1 ms
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so TIM4_PERIOD = (0.001 * 125000 - 1) = 124 */
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/* Time base configuration */
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TIM4_DeInit();
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TIM4_TimeBaseInit(TIM4_PRESCALER_128, 124);
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/* Clear TIM4 update flag */
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TIM4_ClearFlag(TIM4_FLAG_UPDATE);
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/* Enable update interrupt */
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TIM4_ITConfig(TIM4_IT_UPDATE, ENABLE);
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TIM4_Cmd(ENABLE);
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}
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void OSTimer_Config(void)
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{
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TIM4_Config();
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RegInterruptFunc(Interrupt, 4);
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}
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