//------------------------------------------------------------------------------------------------------- // Title : DA //------------------------------------------------------------------------------------------------------- // Funktion : LED Beleuchtungskzept // Schaltung : Beleuchtung // Datei : PCA9635.c //------------------------------------------------------------------------------------------------------- // Prozessor : ATmega8 // Takt : 1 MHz // Sprache : C // letzte Änderung: 04.06.2014 // Autor : Kay Ulbricht //------------------------------------------------------------------------------------------------------- #include #include #include "General.h" #include "TWI_Master.h" #include "PCA9635.h" void Variablen_Init(void) { //Reg 0x01 = MODE2 - set to 0xFF - noninverted logic state, open-drain MODE2 = 0x02; // Set all Output of 0x00(0) LED0 = 0x00; LED1 = 0x00; LED2 = 0x00; LED3 = 0x00; LED4 = 0x00; LED5 = 0x00; LED6 = 0x00; LED7 = 0x00; LED8 = 0x00; LED9 = 0x00; LED10 = 0x00; LED11 = 0x00; LED12 = 0x00; LED13 = 0x00; LED14 = 0x00; LED15 = 0x00; LED16 = 0x00; LED17 = 0x00; LED18 = 0x00; LED19 = 0x00; LED20 = 0x00; LED21 = 0x00; LED22 = 0x00; LED23 = 0x00; LED24 = 0x00; LED25 = 0x00; LED26 = 0x00; //LED_OFF: LED_OFF = 0x00; //Reg 0x12 - Group PWM - Variablen GROUP_PWM = 0x00; //Reg 0x13 - Group Freq - Variablen GROUP_FREQ = 0x00; //Reg 0x14-0x17 - LED Output State Control - Variablen LED_OUTPUT0 = 0xAA; LED_OUTPUT1 = 0xAA; LED_OUTPUT2 = 0xAA; LED_OUTPUT3 = 0xAA; } void Full_Output(void) { //Set all Outputs of 0xFF(255 - FULL ON) //RGB_LED0: LED0 = 0xFF; LED1 = 0xFF; LED2 = 0xFF; //RGB_LED1: LED3 = 0xFF; LED4 = 0xFF; LED5 = 0xFF; //RGB_LED2: LED6 = 0xFF; LED7 = 0xFF; LED8 = 0xFF; //RGB_LED3: LED9 = 0xFF; LED10 = 0xFF; LED11 = 0xFF; //RGB_LED4: LED12 = 0xFF; LED13 = 0xFF; LED14 = 0xFF; //RGB_LED5: LED15 = 0xFF; LED16 = 0xFF; LED17 = 0xFF; //RGB_LED6: LED18 = 0xFF; LED19 = 0xFF; LED20 = 0xFF; //RGB_LED7: LED21 = 0xFF; LED22 = 0xFF; LED23 = 0xFF; //RGB_LED8: LED24 = 0xFF; LED25 = 0xFF; LED26 = 0xFF; } void PCA9635(void) { //Erster TLC59116 Chip: TWIM_Start (PCA9635_ADD1, TWIM_WRITE); //Autoincrement ALL registers, start at reg 0 - we're initting TWIM_Write(AUTO_INCREMENT_ALL_REGISTERS); //Write 0x80 //Reg 0x00 = MODE1 - set to 0x80 - autoincrement enabled (this is readonly?), do not respond to subaddresses or allcall TWIM_Write(AUTO_INCREMENT_ALL_REGISTERS); //Write 0x80 //Reg 0x01 = MODE2 - set to 0xFF - noninverted logic state, open-drain TWIM_Write(0x02); //Reg 0x02-0x11 - PWM0-15 - LED Helligkeit //RGB_LED1: TWIM_Write(LED0); //OUT0 - R TWIM_Write(LED1); //OUT1 - G TWIM_Write(LED2); //OUT2 - B //RGB_LED2: TWIM_Write(LED3); //OUT3 - R TWIM_Write(LED4); //OUT4 - G TWIM_Write(LED5); //OUT5 - B //Freier Ausgang! TWIM_Write(LED_OFF); //OUT6 TWIM_Write(LED_OFF); //OUT7 //RGB_LED3: TWIM_Write(LED6); //OUT8 - R TWIM_Write(LED7); //OUT9 - G TWIM_Write(LED8); //OUT10 - B //RGB_LED4: TWIM_Write(LED9); //OUT11 - R TWIM_Write(LED10); //OUT12 - G TWIM_Write(LED11); //OUT13 - B //Freier Ausgang! TWIM_Write(LED_OFF); //OUT14 TWIM_Write(LED_OFF); //OUT15 //Reg 0x12 - Group PWM - should not matter TWIM_Write(GROUP_PWM); //Reg 0x13 - Group Freq - should not matter TWIM_Write(GROUP_FREQ); //Reg 0x14-0x17 - LED Output State Control - all 0xAA (output state for each LED = 0x2) TWIM_Write(LED_OUTPUT0); TWIM_Write(LED_OUTPUT1); TWIM_Write(LED_OUTPUT2); TWIM_Write(LED_OUTPUT3); //Zweiter TLC59116 Chip TWIM_Start (PCA9635_ADD2, TWIM_WRITE); //Autoincrement ALL registers, start at reg 0 - we're initting TWIM_Write(AUTO_INCREMENT_ALL_REGISTERS); //Write 0x80 //Reg 0x00 = MODE1 - set to 0x80 - autoincrement enabled (this is readonly?), do not respond to subaddresses or allcall TWIM_Write(AUTO_INCREMENT_ALL_REGISTERS); //Write 0x80 //Reg 0x01 = MODE2 - set to 0x02 - noninverted logic state, open-drain TWIM_Write(0x02); //verstehe ich noch nicht ganz aber es geht erstmal //Reg 0x02-0x11 - PWM0-15 - LED Helligkeit //RGB_LED5:(der Zeit defekt :( ) TWIM_Write(LED12); //OUT0 - R TWIM_Write(LED13); //OUT1 - G TWIM_Write(LED14); //OUT2 - B //RGB_LED6: TWIM_Write(LED15); //OUT3 - R TWIM_Write(LED16); //OUT4 - B TWIM_Write(LED17); //OUT5 - G //PGB_LEB7: TWIM_Write(LED18); //OUT6 - R TWIM_Write(LED19); //OUT7 - G TWIM_Write(LED20); //OUT8 - B //RGB_LED8: TWIM_Write(LED21); //OUT9 - R TWIM_Write(LED22); //OUT10 - G TWIM_Write(LED23); //OUT11 - B //RGB_LED9: TWIM_Write(LED24); //OUT12 - R TWIM_Write(LED25); //OUT13 - B TWIM_Write(LED26); //OUT14 - G //Freier Ausgang! TWIM_Write(LED_OFF); //OUT15 //Reg 0x12 - Group PWM - should not matter TWIM_Write(GROUP_PWM); //Reg 0x13 - Group Freq - should not matter TWIM_Write(GROUP_FREQ); //Reg 0x14-0x17 - LED Output State Control - all 0xAA (output state for each LED = individuell) TWIM_Write(LED_OUTPUT0); TWIM_Write(LED_OUTPUT1); TWIM_Write(LED_OUTPUT2); TWIM_Write(LED_OUTPUT3); //Reg 0x18-0x1b - Subaddressing stuff, doesn't matter, just stop the xfer TWIM_Stop(); } // Turn the LEDs on or off. LEDs is a 16-bit int corresponding to OUT0 (LSB) to OUT15 (MSB) //void setLEDs(int LEDs) //{ //int registerVal=0; //int registerIncrement = LED_OUTPUT_GROUP; // //TWIM_Start(ADDRESS_PWM1, TWIM_WRITE); //// Write to consecutive registers, starting with LEDOUT0 //TWIM_Write(AUTO_INCREMENT_ALL_REGISTERS + TLC59116_LEDOUT0); // //// Write the value for LEDs //for (int i=0; i< 16; i++) { //if (LEDs & 0x01) //registerVal += registerIncrement; //// Move to the next LED //LEDs >>= 1; //// Are 4 LED values in the register now? //if (registerIncrement == LED_OUTPUT_GROUP<<6) { //// The register can be written out now //TWIM_Write(registerVal); //registerVal = 0; //registerIncrement = LED_OUTPUT_GROUP; //} //else { //// Move to the next increment //registerIncrement <<= 2; //} //} //TWIM_Stop(); //} // Set the brightness from 0 to 0xFF //void setBrightness(int brightness) //{ //TWIM_Start(ADDRESS_PWM1,TWIM_WRITE); //// Write to the GRPPWM register //TWIM_Write(NO_AUTO_INCREMENT + TLC59116_GRPPWM); //TWIM_Write(brightness); //TWIM_Stop(); //}