C语言-库函数版本.rar_iap15w4k_pwm

#include "config.h" #include "PWM.h" /************* 功能说明 ************** 6路PWM程序。 工程文件: pwm.c main.c ******************************************/ //======================================================================== // 函数: void PWM_config(void) // 描述: PWM配置函数。 // 参数: none. // 返回: none. // 版本: VER1.0 // 日期: 2014-8-15 // 备注: //======================================================================== void PWM_config(void) { PWMx_InitDefine PWMx_InitStructure; //结构定义 PWMx_InitStructure.PWMx_IO_Select = PWM2_P37; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06 PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1 PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767 PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767 PWMx_Configuration(PWM2_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID P3n_standard(1<<7); //IO初始化, 上电时为高阻 PWMx_InitStructure.PWMx_IO_Select = PWM3_P21; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06 PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1 PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767 PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767 PWMx_Configuration(PWM3_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID P2n_standard(1<<1); //IO初始化, 上电时为高阻 PWMx_InitStructure.PWMx_IO_Select = PWM4_P22; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06 PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1 PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767 PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767 PWMx_Configuration(PWM4_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID P2n_standard(1<<2); //IO初始化, 上电时为高阻 PWMx_InitStructure.PWMx_IO_Select = PWM5_P23; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06 PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1 PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767 PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767 PWMx_Configuration(PWM5_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID P2n_standard(1<<3); //IO初始化, 上电时为高阻 PWMx_InitStructure.PWMx_IO_Select = PWM6_P07; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06 PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1 PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767 PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767 PWMx_Configuration(PWM6_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID P0n_standard(1<<7); //IO初始化, 上电时为高阻 PWMx_InitStructure.PWMx_IO_Select = PWM7_P06; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06 PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1 PWMx_InitStructure.PWMx_Interrupt = ENABLE; //中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge_Interrupt = ENABLE; //第一个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767 PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767 PWMx_Configuration(PWM7_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID P0n_standard(1<<6); //IO初始化, 上电时为高阻 TH2 = (u8)((65536UL - MAIN_Fosc / 500000UL) / 256); //波特率使用Timer2 TL2 = (u8)((65536UL - MAIN_Fosc / 500000UL) % 256); AUXR = 0x14; //Timer2 set As Timer, Timer2 set as 1T mode; PWM_SourceClk_Duty(PwmClk_T2, 256); //时钟源: PwmClk_1T,PwmClk_2T, ... PwmClk_16T, PwmClk_T2, PWM周期: 1~32767 PWMCR |= ENPWM; // 使能PWM波形发生器，PWM计数器开始计数 PWMCR &= ~ECBI; //禁止PWM计数器归零中断 // PWMCR |= ECBI; //允许PWM计数器归零中断 // PWMFDCR = ENFD | FLTFLIO | FDIO; //PWM失效中断控制, ENFD | FLTFLIO | EFDI | FDCMP | FDIO } /**********************************************/ void main(void) { PWM_config(); // EA = 1; PWMx_SetPwmWide(PWM2_ID, 16, 32); //PWM_id: PWM通道, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID. PWMx_SetPwmWide(PWM3_ID, 16, 48); PWMx_SetPwmWide(PWM4_ID, 16, 64); PWMx_SetPwmWide(PWM5_ID, 16, 96); PWMx_SetPwmWide(PWM6_ID, 16, 128); PWMx_SetPwmWide(PWM7_ID, 16, 144); while (1) { } }