/********************************************************************* * Flowcode CAL PWM File * * File: AVR_CAL_PWM.c * * (c) 2011 Matrix Multimedia Ltd. * http://www.matrixmultimedia.com * * Software License Agreement * * The software supplied herewith by Matrix Multimedia Ltd (the * “Company”) for its Flowcode graphical programming language is * intended and supplied to you, the Company’s customer, for use * solely and exclusively on the Company's products. The software * is owned by the Company, and is protected under applicable * copyright laws. All rights are reserved. Any use in violation * of the foregoing restrictions may subject the user to criminal * sanctions under applicable laws, as well as to civil liability * for the breach of the terms and conditions of this licence. * * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES, * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. * * Changelog: * * date | by | description * -------+----+----------------------------------------------------- * 051011 | SK | Created * 020312 | BR | Updated to v5.1 CAL Schema * 230512 | BR | Some minor XMEGA related code, hopefully better support to come * 280512 | BR | XMEGA PWM support * 190612 | BR | Fixed a bug when using timer 1 PWM channels * 280612 | BR | Added some addition PWM channels 14-16 * 030713 | LM | Standard API calls */ #define MX_PWM_CHANNEL_X CAL_APPEND(MX_PWM_CHANNEL_, MX_PWM_NUM) #define MX_PWM_HWALT_X CAL_APPEND(MX_PWM_HWALT_, MX_PWM_NUM) #define MX_PWM_PORT_X CAL_APPEND(MX_PWM_PORT_, MX_PWM_NUM) #define MX_PWM_TRIS_X CAL_APPEND(MX_PWM_TRIS_, MX_PWM_NUM) #define MX_PWM_PIN_X CAL_APPEND(MX_PWM_PIN_, MX_PWM_NUM) //PWM Functions CALFUNCTION(void, FC_CAL_PWM_Enable_, (void)); CALFUNCTION(void, FC_CAL_PWM_Disable_, (void)); CALFUNCTION(void, FC_CAL_PWM_SetDuty8Bit_, (MX_UINT8 duty)); CALFUNCTION(void, FC_CAL_PWM_ChangePeriod_, (MX_UINT8 period, MX_UINT16 prescaler)); CALFUNCTION(void, FC_CAL_PWM_SetDuty10Bit_, (MX_UINT16 duty)); //AVR PWM specific defines #ifndef MX_PWMTYPE #define MX_PWMTYPE 1 #endif #ifndef WGM13VAL #ifdef WGM13 // The presence of WGM13..12 determines the PWM functionality #define WGM13VAL (1< MX_PWM_CNT) #error "PWM channel selected is greater then available PWM Channel Count" #else #if (MX_PWM_CHANNEL_X <= MX_PWM_TMR0_CNT) #warning "PWM Channel Uses Resource Timer 0" #ifndef MX_XMEGA #if (MX_PWM_CHANNEL_X == 1) #define MX_DUTY_REG_X OCR0A #define MX_PWM_COM0_X COM0A0 #define MX_PWM_COM1_X COM0A1 #ifdef PWM0A #define MX_PWM_CHAN_X PWM0A #endif #endif #if (MX_PWM_CHANNEL_X == 2) #define MX_DUTY_REG_X OCR0B #define MX_PWM_COM0_X COM0B0 #define MX_PWM_COM1_X COM0B1 #ifdef PWM0B #define MX_PWM_CHAN_X PWM0B #endif #endif #ifdef MX_TINY #ifdef OCR0C #define MX_PERIOD_X OCR0C #else #ifdef ICR0 #define MX_PERIOD_X ICR0 #endif #endif #else #ifdef ICR0 #define MX_PERIOD_X ICR0 #endif #endif #ifdef TCCR0 #define MX_TCCR_X TCCR0 #define MX_PRESCALE_X TCCR0 #else #define MX_TCCR_X TCCR0A #ifdef TCCR0B #define MX_PRESCALE_X TCCR0B #else #define MX_PRESCALE_X TCCR0A #endif #endif #endif #else #define MX_PWM_CHANNEL_Y1 (MX_PWM_CHANNEL_X - MX_PWM_TMR0_CNT) #if (MX_PWM_CHANNEL_Y1 <= MX_PWM_TMR1_CNT) #warning "PWM Channel Uses Resource Timer 1" #define MX_PWM_T1 #if (MX_PWM_CHANNEL_Y1 == 1) #define MX_DUTY_REG_X OCR1A #define MX_PWM_COM0_X COM1A0 #define MX_PWM_COM1_X COM1A1 #ifdef PWM1A #define MX_PWM_CHAN_X PWM1A #endif #endif #if (MX_PWM_CHANNEL_Y1 == 2) #define MX_DUTY_REG_X OCR1B #define MX_PWM_COM0_X COM1B0 #define MX_PWM_COM1_X COM1B1 #ifdef PWM1B #define MX_PWM_CHAN_X PWM1B #endif #endif #if (MX_PWM_CHANNEL_Y1 == 3) #define MX_DUTY_REG_X OCR1C #define MX_PWM_COM0_X COM1C0 #define MX_PWM_COM1_X COM1C1 #ifdef PWM1C #define MX_PWM_CHAN_X PWM1C #endif #endif #ifdef MX_TINY #ifdef OCR1C #define MX_PERIOD_X OCR1C #else #ifdef ICR1 #define MX_PERIOD_X ICR1 #endif #endif #else #ifdef ICR1 #define MX_PERIOD_X ICR1 #endif #endif #ifdef TCCR1 #define MX_TCCR_X TCCR1 #define MX_PRESCALE_X TCCR1 #else #define MX_TCCR_X TCCR1A #ifdef TCCR1B #define MX_PRESCALE_X TCCR1B #else #define MX_PRESCALE_X TCCR1A #endif #endif #else #define MX_PWM_CHANNEL_Y2 (MX_PWM_CHANNEL_Y1 - MX_PWM_TMR1_CNT) #if (MX_PWM_CHANNEL_Y2 <= MX_PWM_TMR2_CNT) #warning "PWM Channel Uses Resource Timer 2" #if (MX_PWM_CHANNEL_Y2 == 1) #define MX_DUTY_REG_X OCR2A #define MX_PWM_COM0_X COM2A0 #define MX_PWM_COM1_X COM2A1 #ifdef PWM2A #define MX_PWM_CHAN_X PWM2A #endif #endif #if (MX_PWM_CHANNEL_Y2 == 2) #define MX_DUTY_REG_X OCR2B #define MX_PWM_COM0_X COM2B0 #define MX_PWM_COM1_X COM2B1 #ifdef PWM2B #define MX_PWM_CHAN_X PWM2B #endif #endif #ifdef MX_TINY #ifdef OCR2C #define MX_PERIOD_X OCR2C #else #ifdef ICR2 #define MX_PERIOD_X ICR2 #endif #endif #else #ifdef ICR2 #define MX_PERIOD_X ICR2 #endif #endif #ifdef TCCR2 #define MX_TCCR_X TCCR2 #define MX_PRESCALE_X TCCR2 #else #define MX_TCCR_X TCCR2A #ifdef TCCR2B #define MX_PRESCALE_X TCCR2B #else #define MX_PRESCALE_X TCCR2A #endif #endif #else #define MX_PWM_CHANNEL_Y3 (MX_PWM_CHANNEL_Y2 - MX_PWM_TMR2_CNT) #if (MX_PWM_CHANNEL_Y3 <= MX_PWM_TMR3_CNT) #warning "PWM Channel Uses Resource Timer 3" #if (MX_PWM_CHANNEL_Y3 == 1) #define MX_DUTY_REG_X OCR3A #define MX_PWM_COM0_X COM3A0 #define MX_PWM_COM1_X COM3A1 #ifdef PWM3A #define MX_PWM_CHAN_X PWM3A #endif #endif #if (MX_PWM_CHANNEL_Y3 == 2) #define MX_DUTY_REG_X OCR3B #define MX_PWM_COM0_X COM3B0 #define MX_PWM_COM1_X COM3B1 #ifdef PWM3B #define MX_PWM_CHAN_X PWM3B #endif #endif #if (MX_PWM_CHANNEL_Y3 == 3) #define MX_DUTY_REG_X OCR3C #define MX_PWM_COM0_X COM3C0 #define MX_PWM_COM1_X COM3C1 #ifdef PWM3C #define MX_PWM_CHAN_X PWM3C #endif #endif #ifdef MX_TINY #ifdef OCR3C #define MX_PERIOD_X OCR3C #else #ifdef ICR3 #define MX_PERIOD_X ICR3 #endif #endif #else #ifdef ICR3 #define MX_PERIOD_X ICR3 #endif #endif #ifdef TCCR3 #define MX_TCCR_X TCCR3 #define MX_PRESCALE_X TCCR3 #else #define MX_TCCR_X TCCR3A #ifdef TCCR3B #define MX_PRESCALE_X TCCR3B #else #define MX_PRESCALE_X TCCR3A #endif #endif #else #define MX_PWM_CHANNEL_Y4 (MX_PWM_CHANNEL_Y3 - MX_PWM_TMR3_CNT) #if (MX_PWM_CHANNEL_Y4 <= MX_PWM_TMR4_CNT) #warning "PWM Channel Uses Resource Timer 4" #if (MX_PWM_CHANNEL_Y4 == 1) #define MX_DUTY_REG_X OCR4A #define MX_PWM_COM0_X COM4A0 #define MX_PWM_COM1_X COM4A1 #ifdef PWM4A #define MX_PWM_CHAN_X PWM4A #endif #endif #if (MX_PWM_CHANNEL_Y4 == 2) #define MX_DUTY_REG_X OCR4B #define MX_PWM_COM0_X COM4B0 #define MX_PWM_COM1_X COM4B1 #ifdef PWM4B #define MX_PWM_CHAN_X PWM4B #endif #endif #if (MX_PWM_CHANNEL_Y4 == 3) #define MX_DUTY_REG_X OCR4C #define MX_PWM_COM0_X COM4C0 #define MX_PWM_COM1_X COM4C1 #ifdef PWM4C #define MX_PWM_CHAN_X PWM4C #endif #endif #ifdef MX_TINY #ifdef OCR4C #define MX_PERIOD_X OCR4C #else #ifdef ICR4 #define MX_PERIOD_X ICR4 #endif #endif #else #ifdef ICR4 #define MX_PERIOD_X ICR4 #endif #endif #ifdef TCCR4 #define MX_TCCR_X TCCR4 #define MX_PRESCALE_X TCCR4 #else #define MX_TCCR_X TCCR4A #ifdef TCCR4B #define MX_PRESCALE_X TCCR4B #else #define MX_PRESCALE_X TCCR4A #endif #endif #else #define MX_PWM_CHANNEL_Y5 (MX_PWM_CHANNEL_Y4 - MX_PWM_TMR4_CNT) #if (MX_PWM_CHANNEL_Y5 <= MX_PWM_TMR5_CNT) #warning "PWM Channel Uses Resource Timer 5" #if (MX_PWM_CHANNEL_Y5 == 1) #define MX_DUTY_REG_X OCR5A #define MX_PWM_COM0_X COM5A0 #define MX_PWM_COM1_X COM5A1 #ifdef PWM5A #define MX_PWM_CHAN_X PWM5A #endif #endif #if (MX_PWM_CHANNEL_Y5 == 2) #define MX_DUTY_REG_X OCR5B #define MX_PWM_COM0_X COM5B0 #define MX_PWM_COM1_X COM5B1 #ifdef PWM5B #define MX_PWM_CHAN_X PWM5B #endif #endif #if (MX_PWM_CHANNEL_Y5 == 3) #define MX_DUTY_REG_X OCR5C #define MX_PWM_COM0_X COM5C0 #define MX_PWM_COM1_X COM5C1 #ifdef PWM5C #define MX_PWM_CHAN_X PWM5C #endif #endif #ifdef MX_TINY #ifdef OCR5C #define MX_PERIOD_X OCR5C #else #ifdef ICR5 #define MX_PERIOD_X ICR5 #endif #endif #else #ifdef ICR5 #define MX_PERIOD_X ICR5 #endif #endif #ifdef TCCR5 #define MX_TCCR_X TCCR5 #define MX_PRESCALE_X TCCR5 #else #define MX_TCCR_X TCCR5A #ifdef TCCR5B #define MX_PRESCALE_X TCCR5B #else #define MX_PRESCALE_X TCCR5A #endif #endif #else #error "PWM channel has not been assigned correctly" #endif #endif #endif #endif #endif #endif #endif #endif CALFUNCTION(void, FC_CAL_PWM_Enable_, (void)) { #ifdef MX_PWM #if (MX_PWM_HWALT_X == 0) //Default PWM Pin #ifndef MX_PWM_PORT_X //Error checking #error "This chip does not have PWM channel 1 defined" #endif FC_CAL_Bit_Low_DDR (MX_PWM_PORT_X, MX_PWM_TRIS_X, MX_PWM_PIN_X); //PWM pin is an output #else //Alternate PWM Pin #ifndef MX_PWM_PORTA_X //Error checking #error "This chip does not have PWM channel 1 alt defined" #endif FC_CAL_Bit_Low_DDR (MX_PWM_PORTA_X, MX_PWM_TRISA_X, MX_PWM_PINA_X); //PWM pin is an output #endif #ifndef MX_XMEGA #ifdef MX_PWM_CHAN_X MX_TCCR_X &= ~(1 << MX_PWM_COM0_X); MX_TCCR_X |= (1 << MX_PWM_COM1_X) | (1 << MX_PWM_CHAN_X); // 8-bit PWM timer mode #else #ifdef WGM13 MX_TCCR_X &= ~((1 << MX_PWM_COM0_X) | 0x03); // Select 'clear output on match' #ifdef MX_PWM_T1 MX_TCCR_X |= (1 << MX_PWM_COM1_X); // phase and frequency correct PWM #else MX_TCCR_X |= (1 << MX_PWM_COM1_X) | 0x01; // phase and frequency correct PWM #endif #else MX_TCCR_X &= ~((1 << MX_PWM_COM0_X) | 0x02); // Select 'clear output on match' MX_TCCR_X |= (1 << MX_PWM_COM1_X) | 0x01; // 8-bit PWM timer mode #endif #endif #else #if (MX_PWM_CHANNEL_X <= 4 ) TCC0.CTRLB |= 0x03; //Single Slope PWM TCC0.CTRLB |= (1 << (MX_PWM_CHANNEL_X + 3)); //Enable PWM Channel 1-4 #else TCC1.CTRLB |= 0x03; //Single Slope PWM TCC1.CTRLB |= (1 << (MX_PWM_CHANNEL_X - 1)); //Enable PWM Channel 5-6 #endif #endif #else #error "Hardware PWM not supported by Target microcontroller." #endif } CALFUNCTION(void, FC_CAL_PWM_Disable_, (void)) { #ifndef MX_XMEGA MX_TCCR_X &= ~(1 << MX_PWM_COM1_X); //Disable PWM Channel #else #if (MX_PWM_CHANNEL_X <= 4 ) TCC0.CTRLB &= ~(1 << (MX_PWM_CHANNEL_X + 3)); //Disable PWM Channel 1-4 #else TCC1.CTRLB &= ~(1 << (MX_PWM_CHANNEL_X - 1)); //Disable PWM Channel 5-6 #endif #endif #if (MX_PWM_HWALT_X == 0) //Default PWM Pin FC_CAL_Bit_In_DDR (MX_PWM_PORT_X, MX_PWM_TRIS_X, MX_PWM_PIN_X); //PWM pin is an output #else //Alternate PWM Pin FC_CAL_Bit_In_DDR (MX_PWM_PORTA_X, MX_PWM_TRISA_X, MX_PWM_PINA_X); //PWM pin is an output #endif } CALFUNCTION(void, FC_CAL_PWM_SetDuty8Bit_, (MX_UINT8 duty)) { #ifndef MX_XMEGA MX_DUTY_REG_X = duty; //Update Capture Compare Count #else #if (MX_PWM_CHANNEL_X == 1) TCC0.CCA = duty; #endif #if (MX_PWM_CHANNEL_X == 2) TCC0.CCB = duty; #endif #if (MX_PWM_CHANNEL_X == 3) TCC0.CCC = duty; #endif #if (MX_PWM_CHANNEL_X == 4) TCC0.CCD = duty; #endif #if (MX_PWM_CHANNEL_X == 5) TCC1.CCA = duty; #endif #if (MX_PWM_CHANNEL_X == 6) TCC1.CCB = duty; #endif #endif } CALFUNCTION(void, FC_CAL_PWM_ChangePeriod_, (MX_UINT8 period, MX_UINT16 prescaler)) { #if (MX_PWM_CNT >= 1) //Hardware Mode #ifndef MX_XMEGA #ifdef MX_PERIOD_X MX_PERIOD_X = period; #endif #if (MX_PWMTYPE == 2) switch (prescaler) { //#ifdef MX_PWM_PSCA1 case 1: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x01; break; //#endif //#ifdef MX_PWM_PSCA2 case 2: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x02; break; //#endif //#ifdef MX_PWM_PSCA4 case 4: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x03; break; //#endif //#ifdef MX_PWM_PSCA8 case 8: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x04; break; //#endif //#ifdef MX_PWM_PSCA16 case 16: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x05; break; //#endif //#ifdef MX_PWM_PSCA32 case 32: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x06; break; //#endif //#ifdef MX_PWM_PSCA64 case 64: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x07; break; //#endif //#ifdef MX_PWM_PSCA128 case 128: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x08; break; //#endif //#ifdef MX_PWM_PSCA256 case 256: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x09; break; //#endif //#ifdef MX_PWM_PSCA512 case 512: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0a; break; //#endif //#ifdef MX_PWM_PSCA1024 case 1024: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0b; break; //#endif //#ifdef MX_PWM_PSCA2048 case 2048: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0c; break; //#endif //#ifdef MX_PWM_PSCA4096 case 4096: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0d; break; //#endif //#ifdef MX_PWM_PSCA8192 case 8192: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0e; break; //#endif //#ifdef MX_PWM_PSCA16384 case 16384: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0f; break; //#endif //#ifdef MX_PWM_PSCAEXTF case 0x8000: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0d; break; //#endif //#ifdef MX_PWM_PSCAEXTR case 0x8001: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0) | 0x0e; break; //#endif default: MX_PRESCALE_X = (MX_PRESCALE_X & 0xf0); break; } #else switch (prescaler) { //#ifdef MX_PWM_PSCA1 case 1: MX_PRESCALE_X = WGM13VAL | 0x01; break; //#endif //#ifdef MX_PWM_PSCA8 case 8: MX_PRESCALE_X = WGM13VAL | 0x02; break; //#endif //#ifdef MX_PWM_PSCA64 case 64: MX_PRESCALE_X = WGM13VAL | 0x03; break; //#endif //#ifdef MX_PWM_PSCA256 case 256: MX_PRESCALE_X = WGM13VAL | 0x04; break; //#endif //#ifdef MX_PWM_PSCA1024 case 1024: MX_PRESCALE_X = WGM13VAL | 0x05; break; //#endif //#ifdef MX_PWM_PSCAEXTF case 0xffff: MX_PRESCALE_X = WGM13VAL | 0x06; break; //#endif //#ifdef MX_PWM_PSCAEXTR case 0xfffe: MX_PRESCALE_X = WGM13VAL | 0x07; break; //#endif default: MX_PRESCALE_X = WGM13VAL; break; } #endif #else #if (MX_PWM_CHANNEL_X <= 4 ) TCC0.PER = period; //Set Timer0 Period switch (prescaler) { //#ifdef MX_PWM_PSCA1 case 1: TCC0.CTRLA = 0x01; break; //#endif //#ifdef MX_PWM_PSCA2 case 2: TCC0.CTRLA = 0x02; break; //#endif //#ifdef MX_PWM_PSCA4 case 4: TCC0.CTRLA = 0x03; break; //#endif //#ifdef MX_PWM_PSCA8 case 8: TCC0.CTRLA = 0x04; break; //#endif //#ifdef MX_PWM_PSCA64 case 64: TCC0.CTRLA = 0x05; break; //#endif //#ifdef MX_PWM_PSCA256 case 256: TCC0.CTRLA = 0x06; break; //#endif //#ifdef MX_PWM_PSCA1024 case 1024: TCC0.CTRLA = 0x07; break; //#endif default: TCC0.CTRLA = 0x03; break; } #else TCC1.PER = period; //Set Timer1 Period switch (prescaler) { //#ifdef MX_PWM_PSCA1 case 1: TCC1.CTRLA = 0x01; break; //#endif //#ifdef MX_PWM_PSCA2 case 2: TCC1.CTRLA = 0x02; break; //#endif //#ifdef MX_PWM_PSCA4 case 4: TCC1.CTRLA = 0x03; break; //#endif //#ifdef MX_PWM_PSCA8 case 8: TCC1.CTRLA = 0x04; break; //#endif //#ifdef MX_PWM_PSCA64 case 64: TCC1.CTRLA = 0x05; break; //#endif //#ifdef MX_PWM_PSCA256 case 256: TCC1.CTRLA = 0x06; break; //#endif //#ifdef MX_PWM_PSCA1024 case 1024: TCC1.CTRLA = 0x07; break; //#endif default: TCC1.CTRLA = 0x03; break; } #endif #endif #endif } CALFUNCTION(void, FC_CAL_PWM_SetDuty10Bit_, (MX_UINT16 duty)) { #ifndef MX_XMEGA MX_DUTY_REG_X = duty >> 2; //Update Capture Compare Count #else #if (MX_PWM_CHANNEL_X == 1) TCC0.CCA = duty >> 2; #endif #if (MX_PWM_CHANNEL_X == 2) TCC0.CCB = duty >> 2; #endif #if (MX_PWM_CHANNEL_X == 3) TCC0.CCC = duty >> 2; #endif #if (MX_PWM_CHANNEL_X == 4) TCC0.CCD = duty >> 2; #endif #if (MX_PWM_CHANNEL_X == 5) TCC1.CCA = duty >> 2; #endif #if (MX_PWM_CHANNEL_X == 6) TCC1.CCB = duty >> 2; #endif #endif } #undef MX_DUTY_REG_X #undef MX_PWM_COM0_X #undef MX_PWM_COM1_X #undef MX_TCCR_X #undef MX_PRESCALE_X #undef MX_PERIOD_X #undef MX_PWM_T1