/********************************************************************************************************************* * COPYRIGHT NOTICE * Copyright (c) 2020,逐飞科技 * All rights reserved. * 技术讨论QQ群：三群：824575535 * * 以下所有内容版权均属逐飞科技所有，未经允许不得用于商业用途， * 欢迎各位使用并传播本程序，修改内容时必须保留逐飞科技的版权声明。 * * @file ccu6_pit * @company 成都逐飞科技有限公司 * @author 逐飞科技(QQ3184284598) * @version 查看doc内version文件 版本说明 * @Software ADS v1.2.2 * @Target core TC264D * @Taobao https://seekfree.taobao.com/ * @date 2020-3-23 ********************************************************************************************************************/ #include "IfxCcu6_Timer.h" #include "SysSe/Bsp/Bsp.h" #include "isr_config.h" #include "zf_ccu6_pit.h" //------------------------------------------------------------------------------------------------------------------- // @brief pit初始化 // @param ccu6n 选择CCU6模块(CCU6_0、CCU6_1) // @param pit_ch 选择通道(PIT_CH0、PIT_CH1) // @param time 周期时间 // @return void // @note 请使用.h文件中 带时间单位的宏定义函数 // Sample usage: pit_init(CCU6_0, PIT_CH0, 5000); //设置周期中断5000us //------------------------------------------------------------------------------------------------------------------- void pit_init(CCU6N_enum ccu6n, CCU6_CHN_enum pit_ch, uint32 time) { uint8 i; volatile Ifx_CCU6 *module; uint64 timer_input_clk; IfxCcu6_Timer g_Ccu6Timer; IfxCcu6_Timer_Config timerConfig; uint32 timer_period; boolean interrupt_state = disableInterrupts(); module = IfxCcu6_getAddress((IfxCcu6_Index)ccu6n); IfxCcu6_Timer_initModuleConfig(&timerConfig, module); timer_input_clk = IfxScuCcu_getSpbFrequency(); i = 0; while(i<16) { timer_period = (uint32)(timer_input_clk * time / 1000000); if(timer_period < 0xffff) break; timer_input_clk >>= 1; i++; } if(16 <= i) IFX_ASSERT(IFX_VERBOSE_LEVEL_ERROR, FALSE); switch(ccu6n) { case CCU6_0: { if(PIT_CH0 == pit_ch) { timerConfig.interrupt1.typeOfService = CCU6_0_CH0_INT_SERVICE; timerConfig.interrupt1.priority = CCU6_0_CH0_ISR_PRIORITY; } else { timerConfig.interrupt2.typeOfService = CCU6_0_CH1_INT_SERVICE; timerConfig.interrupt2.priority = CCU6_0_CH1_ISR_PRIORITY; } }break; case CCU6_1: { if(PIT_CH0 == pit_ch) { timerConfig.interrupt1.typeOfService = CCU6_1_CH0_INT_SERVICE; timerConfig.interrupt1.priority = CCU6_1_CH0_ISR_PRIORITY; } else { timerConfig.interrupt2.typeOfService = CCU6_1_CH1_INT_SERVICE; timerConfig.interrupt2.priority = CCU6_1_CH1_ISR_PRIORITY; } }break; } if(PIT_CH0 == pit_ch) { timerConfig.timer = IfxCcu6_TimerId_t12; timerConfig.interrupt1.source = IfxCcu6_InterruptSource_t12PeriodMatch; timerConfig.interrupt1.serviceRequest = IfxCcu6_ServiceRequest_1; timerConfig.base.t12Period = timer_period; timerConfig.base.t12Frequency = (float)timer_input_clk; timerConfig.clock.t12countingInputMode = IfxCcu6_CountingInputMode_internal; } else { timerConfig.timer = IfxCcu6_TimerId_t13; timerConfig.interrupt2.source = IfxCcu6_InterruptSource_t13PeriodMatch; timerConfig.interrupt2.serviceRequest = IfxCcu6_ServiceRequest_2; timerConfig.base.t13Period = timer_period; timerConfig.base.t13Frequency = (float)timer_input_clk; timerConfig.clock.t13countingInputMode = IfxCcu6_CountingInputMode_internal; } timerConfig.timer12.counterValue = 0; timerConfig.timer13.counterValue = 0; timerConfig.trigger.t13InSyncWithT12 = FALSE; IfxCcu6_Timer_initModule(&g_Ccu6Timer, &timerConfig); restoreInterrupts(interrupt_state); IfxCcu6_setSuspendMode(module, IfxCcu6_SuspendMode_hard); IfxCcu6_Timer_start(&g_Ccu6Timer); } //------------------------------------------------------------------------------------------------------------------- // @brief pit关闭 // @param ccu6n 选择CCU6模块(CCU6_0、CCU6_1) // @param pit_ch 选择通道(PIT_CH0、PIT_CH1) // @return void // @note // Sample usage: pit_close(CCU6_0, PIT_CH0); //关闭CCU60 通道0的计时器 //------------------------------------------------------------------------------------------------------------------- void pit_close(CCU6N_enum ccu6n, CCU6_CHN_enum pit_ch) { volatile Ifx_CCU6 *module; IfxCcu6_Timer g_Ccu6Timer; module = IfxCcu6_getAddress((IfxCcu6_Index)ccu6n); g_Ccu6Timer.ccu6 = module; g_Ccu6Timer.timer = (IfxCcu6_TimerId)(pit_ch); IfxCcu6_Timer_stop(&g_Ccu6Timer); } //------------------------------------------------------------------------------------------------------------------- // @brief pit开始 // @param ccu6n 选择CCU6模块(CCU6_0、CCU6_1) // @param pit_ch 选择通道(PIT_CH0、PIT_CH1) // @return void // @note // Sample usage: pit_start(CCU6_0, PIT_CH0); //打开CCU60 通道0的计时器 //------------------------------------------------------------------------------------------------------------------- void pit_start(CCU6N_enum ccu6n, CCU6_CHN_enum pit_ch) { volatile Ifx_CCU6 *module; IfxCcu6_Timer g_Ccu6Timer; module = IfxCcu6_getAddress((IfxCcu6_Index)ccu6n); g_Ccu6Timer.ccu6 = module; g_Ccu6Timer.timer = (IfxCcu6_TimerId)(pit_ch); IfxCcu6_Timer_start(&g_Ccu6Timer); } //------------------------------------------------------------------------------------------------------------------- // @brief 禁止pit中断 // @param ccu6n 选择CCU6模块(CCU6_0、CCU6_1) // @param pit_ch 选择通道(PIT_CH0、PIT_CH1) // @return void // @note // Sample usage: pit_disable_interrupt(CCU6_0, PIT_CH0); //禁止CCU60 通道0的中断 //------------------------------------------------------------------------------------------------------------------- void pit_disable_interrupt(CCU6N_enum ccu6n, CCU6_CHN_enum pit_ch) { volatile Ifx_CCU6 *module; module = IfxCcu6_getAddress((IfxCcu6_Index)ccu6n); IfxCcu6_disableInterrupt(module, pit_ch * 2 + 7); } //------------------------------------------------------------------------------------------------------------------- // @brief 使能pit中断 // @param ccu6n 选择CCU6模块(CCU6_0、CCU6_1) // @param pit_ch 选择通道(PIT_CH0、PIT_CH1) // @return void // @note // Sample usage: pit_enable_interrupt(CCU6_0, PIT_CH0); //开启CCU60 通道0的中断 //------------------------------------------------------------------------------------------------------------------- void pit_enable_interrupt(CCU6N_enum ccu6n, CCU6_CHN_enum pit_ch) { volatile Ifx_CCU6 *module; module = IfxCcu6_getAddress((IfxCcu6_Index)ccu6n); IfxCcu6_enableInterrupt(module, pit_ch * 2 + 7); }