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/*---------------------------------------------------------------------------------------------------------*/ /* */ /* Copyright(c) 2017 Nuvoton Technology Corp. All rights reserved. */ /* */ /*---------------------------------------------------------------------------------------------------------*/ //*********************************************************************************************************** // Nuvoton Technoledge Corp. // Website: http://www.nuvoton.com // E-Mail : MicroC-8bit@nuvoton.com // Date : Apr/21/2017 //*********************************************************************************************************** //*********************************************************************************************************** // File Function: N76E003 PWM Output with dead time insert demo code //*********************************************************************************************************** #include "N76E003.h" #include "Common.h" #include "Delay.h" #include "SFR_Macro.h" #include "Function_define.h" //***************** The Following is in define in Fucntion_define.h *************************** //****** Always include Function_define.h call the define you want, detail see main(void) ******* //*********************************************************************************************** #if 0 ////--------- PMW clock source select define --------------------- //#define PWM_CLOCK_FSYS CKCON&=0xBF //#define PWM_CLOCK_TIMER1 CKCON|=0x40 ////--------- PWM clock devide define ---------------------------- //#define PWM_CLOCK_DIV_2 PWMCON1|=0x01;PWMCON1&=0xF9 //#define PWM_CLOCK_DIV_4 PWMCON1|=0x02;PWMCON1&=0xFA //#define PWM_CLOCK_DIV_8 PWMCON1|=0x03;PWMCON1&=0xFB //#define PWM_CLOCK_DIV_16 PWMCON1|=0x04;PWMCON1&=0xFC //#define PWM_CLOCK_DIV_32 PWMCON1|=0x05;PWMCON1&=0xFD //#define PWM_CLOCK_DIV_64 PWMCON1|=0x06;PWMCON1&=0xFE //#define PWM_CLOCK_DIV_128 PWMCON1|=0x07 ////--------- PWM I/O select define ------------------------------ //#define PWM5_P15_OUTPUT_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1|=0x20;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P1.5 as PWM5 output enable //#define PWM5_P03_OUTPUT_ENABLE PIOCON0|=0x20 //P0.3 as PWM5 //#define PWM4_P01_OUTPUT_ENABLE PIOCON0|=0x10 //P0.1 as PWM4 output enable //#define PWM3_P04_OUTPUT_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1|=0x08;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P0.4 as PWM3 output enable //#define PWM3_P00_OUTPUT_ENABLE PIOCON0|=0x08 //P0.0 as PWM3 //#define PWM2_P05_OUTPUT_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1|=0x04;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P1.0 as PWM2 output enable //#define PWM2_P10_OUTPUT_ENABLE PIOCON0|=0x04 //P1.0 as PWM2 //#define PWM1_P14_OUTPUT_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1|=0x02;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P1.4 as PWM1 output enable //#define PWM1_P11_OUTPUT_ENABLE PIOCON0|=0x02 //P1.1 as PWM1 //#define PWM0_P12_OUTPUT_ENABLE PIOCON0|=0x01 //P1.2 as PWM0 output enable //#define ALL_PWM_OUTPUT_ENABLE PIOCON0=0xFF;PIOCON1=0xFF //#define PWM5_P15_OUTPUT_DISABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1&=0xDF;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P1.5 as PWM5 output disable //#define PWM5_P03_OUTPUT_DISABLE PIOCON0&=0xDF //P0.3 as PWM5 //#define PWM4_P01_OUTPUT_DISABLE PIOCON0&=0xEF //P0.1 as PWM4 output disable //#define PWM3_P04_OUTPUT_DISABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1&=0xF7;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P0.4 as PWM3 output disable //#define PWM3_P00_OUTPUT_DISABLE PIOCON0&=0xF7 //P0.0 as PWM3 //#define PWM2_P05_OUTPUT_DISABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1&=0xFB;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P1.0 as PWM2 output disable //#define PWM2_P10_OUTPUT_DISABLE PIOCON0&=0xFB //P1.0 as PWM2 //#define PWM1_P14_OUTPUT_DISABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;SFRS|=0x01;PIOCON1&=0xFD;TA=0xAA;TA=0x55;SFRS&=0xFE;EA=BIT_TMP //P1.4 as PWM1 output disable //#define PWM1_P11_OUTPUT_DISABLE PIOCON0&=0xFD //P1.1 as PWM1 //#define PWM0_P12_OUTPUT_DISABLE PIOCON0&=0xFE //P1.2 as PWM0 output disable //#define ALL_PWM_OUTPUT_DISABLE PIOCON0=0x00;PIOCON1=0x00 ////--------- PWM I/O Polarity Control --------------------------- //#define PWM5_OUTPUT_INVERSE PNP|=0x20 //#define PWM4_OUTPUT_INVERSE PNP|=0x10 //#define PWM3_OUTPUT_INVERSE PNP|=0x08 //#define PWM2_OUTPUT_INVERSE PNP|=0x04 //#define PWM1_OUTPUT_INVERSE PNP|=0x02 //#define PWM0_OUTPUT_INVERSE PNP|=0x01 //#define PWM_OUTPUT_ALL_INVERSE PNP=0xFF //#define PWM5_OUTPUT_NORMAL PNP&=0xDF //#define PWM4_OUTPUT_NORMAL PNP&=0xEF //#define PWM3_OUTPUT_NORMAL PNP&=0xF7 //#define PWM2_OUTPUT_NORMAL PNP&=0xFB //#define PWM1_OUTPUT_NORMAL PNP&=0xFD //#define PWM0_OUTPUT_NORMAL PNP&=0xFE //#define PWM_OUTPUT_ALL_NORMAL PNP=0x00 ////--------- PWM type define ------------------------------------ //#define PWM_EDGE_TYPE PWMCON1&=~SET_BIT4 //#define PWM_CENTER_TYPE PWMCON1|=SET_BIT4 ////--------- PWM mode define ------------------------------------ //#define PWM_IMDEPENDENT_MODE PWMCON1&=0x3F //#define PWM_COMPLEMENTARY_MODE PWMCON1|=0x40;PWMCON1&=0x7F //#define PWM_SYNCHRONIZED_MODE PWMCON1|=0x80;PWMCON1&=0xBF //#define PWM_GP_MODE_ENABLE PWMCON1|=0x20 //#define PWM_GP_MODE_DISABLE PWMCON1&=0xDF ////--------- PMW interrupt setting ------------------------------ //#define PWM_FALLING_INT PWMCON0&=0xF3 //#define PWM_RISING_INT PWMCON0|=0x04;PWMCON0&=0xF7 //#define PWM_CENTRAL_POINT_INT PWMCON0|=0x08;PWMCON0&=0xFB //#define PWM_PERIOD_END_INT PWMCON0|=0x0C ////--------- PWM interrupt pin select --------------------------- //#define PWM_INT_PWM0 PWMCON0&=0xFC //#define PWM_INT_PWM2 PWMCON0|=0x01;PWMCON0&=0xFD //#define PWM_INT_PWM4 PWMCON0|=0x02;PWMCON0&=0xFE //#define PWM_INT_PMW6 PWMCON0|=0x03 ////--------- PWM Dead time setting ------------------------------ //#define PWM45_DEADTIME_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;PDTEN|=0x04;EA=BIT_TMP //#define PWM34_DEADTIME_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;PDTEN|=0x02;EA=BIT_TMP //#define PWM01_DEADTIME_ENABLE BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;PDTEN|=0x01;EA=BIT_TMP #endif void PWM_DEAD_TIME_VALUE(UINT16 DeadTimeData) { UINT8 deadtmphigh,deadtmplow; deadtmplow = DeadTimeData; deadtmphigh = DeadTimeData>>8; BIT_TMP = EA; if (deadtmphigh==0x01) { EA = 0; TA = 0xAA; TA = 0x55; PDTEN|=0x10; } TA = 0xAA; TA = 0x55; PDTCNT = deadtmplow; EA = BIT_TMP; } //------------------- PWM Define End ------------------------------ /************************************************************************************************************ * Main function * PWM4 P0.5 simple output a 2.7KHz 1/4high duty signal ************************************************************************************************************/ void main(void) { Set_All_GPIO_Quasi_Mode; /*----------------------------------------------------------------------------------------------------------------- PWM frequency = Fpwm/((PWMPH,PWMPL)+1) = (16MHz/8)/(0x7CF+1) = 1KHz (1ms) PWM4 high duty = PWM4H,PWM4L = 0x01CF = 1/4 PWM period PWM0 high duty = PWM0H,PMW0L = 0x03CF = 1/2 PWM period Dead time = 0x1FF <PDTEN.4+PDTCNT[7:0]>/Fsys = 0x1FF/Fsys = 512/16000000 = 32 us (max value) -----------------------------------------------------------------------------------------------------------------*/ PWM0_P12_OUTPUT_ENABLE; PWM1_P11_OUTPUT_ENABLE; PWM4_P01_OUTPUT_ENABLE; PWM5_P15_OUTPUT_ENABLE; PWM_COMPLEMENTARY_MODE; //Only this mode support deat time function PWM_CLOCK_DIV_8; PWMPH = 0x07; PWMPL = 0xCF; PWM0H = 0x03; PWM0L = 0xCF; set_SFRPAGE; // PWM4 and PWM5 duty value need set SFPPAGE 1 PWM4H = 0x01; PWM4L = 0xCF; clr_SFRPAGE; PWM01_DEADTIME_ENABLE; PWM45_DEADTIME_ENABLE; PWM_DEAD_TIME_VALUE(0x1FF); //value never over 0x1FF //Please always setting Dead time if needed before PWM run. set_LOAD; set_PWMRUN; while(1); }
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