Hi,
okay, also hier die ganze Initialisierungsroutinen, Variablendefinitionen, etc. pp.
twimaster.cCode:#define SND_PORT PORTD #define SND_PIN PD5 #define SND_DDR DDRD #define SND_PRESCALER 256 #define SND_OK 1 #define SND_ABORT 2 #define SND_PCCONNECTED 3 #define SND_ERROR 4 #define KEYPAD_ESC_PORT PORTD #define KEYPAD_ESC_PIN PD6 #define KEYPAD_ESC_PINS PIND #define KEYPAD_ESC_DDR DDRD #define KEYPAD_OK_PORT PORTB #define KEYPAD_OK_PIN PB1 #define KEYPAD_OK_PINS PINB #define KEYPAD_OK_DDR DDRB #define KEYPAD_DEC_PORT PORTD #define KEYPAD_DEC_PIN PD7 #define KEYPAD_DEC_PINS PIND #define KEYPAD_DEC_DDR DDRD #define KEYPAD_INC_PORT PORTB #define KEYPAD_INC_PIN PB0 #define KEYPAD_INC_PINS PINB #define KEYPAD_INC_DDR DDRB #define KEYPAD_SCANNING_FREQUENCY 1000 //0..65535 #define KEYPAD_DEBOUNCE_SLOW 200 //0..255 #define KEYPAD_DEBOUNCE_FAST 80 #define LCD_SCROLLING_ROW 1 #define LCD_SCANNING_FREQUENCY 75 #define LCD_DELAY_FACTOR 10 #define LCD_ROW_LENGTH 15 #define MOTOR_A_PORT PORTC #define MOTOR_A_DDR DDRC #define MOTOR_A_ENABLE_PIN PC5 #define MOTOR_A_CWCCW_PIN PC6 #define MOTOR_A_CLOCK_PIN PC7 #define MOTOR_B_PORT PORTC #define MOTOR_B_DDR DDRC #define MOTOR_B_ENABLE_PIN PC2 #define MOTOR_B_CWCCW_PIN PC3 #define MOTOR_B_CLOCK_PIN PC4 #define MOTOR_A_TOGGLE (MOTOR_A_PORT ^= (1 << MOTOR_A_CLOCK_PIN)) #define MOTOR_B_TOGGLE (MOTOR_B_PORT ^= (1 << MOTOR_B_CLOCK_PIN)) #define O2O 0 //MotA läuft rückwärts #define l2O 1 //MotA läuft vorwärts #define O2l 2 //MotB läuft vorwärts #define l2l 3 //MotA und MotB 1 Schritt #define l25 4 //MotA 1 Schritt, MotB 4 Schritte #define l2lO 5 //MotA 1 Schritt, MotB 9 Schritte #define l2lOO 6 //MotA 1 Schritt, MotB 99 Schritte #define MOTOR_FAST 720 #define MOTOR_MEDIUM 480 #define MOTOR_SLOW 240 #define PHOT_LED_PORT PORTA #define PHOT_LED_DDR DDRA #define PHOT_LED_PIN PA6 #define phot_led_toggle() (PHOT_LED_PORT ^= (1<<PHOT_LED_PIN)) #define PHOT_CHANNEL 0b0111 //PORTA7 (ADC7) #define PHOT_UREF 2.560 #define LED_BUSY_PORT PORTB #define LED_BUSY_DDR DDRB #define LED_BUSY_PIN PB4 #define LED_ERROR_PORT PORTB #define LED_ERROR_DDR DDRB #define LED_ERROR_PIN PB3 #define led_busy_on() (LED_BUSY_PORT |= (1<<LED_BUSY_PIN)) #define led_busy_off() (LED_BUSY_PORT &= ~(1<<LED_BUSY_PIN)) #define led_error_on() (LED_ERROR_PORT |= (1<<LED_ERROR_PIN)) #define led_error_off() (LED_ERROR_PORT &= ~(1<<LED_ERROR_PIN)) #define RS232_RETRY_THRESHOLD 10 //maximum = 32 #define SCREENSAVER 60 //maximum = 64 #define TIMEOUT 3 //maximum = 8 //--do not edit -- #define F_CPU 12000000UL #define MODE_PC 0 #define MODE_STANDALONE 1 #define KEYPAD_KEYOK 1 #define KEYPAD_KEYESC 2 #define KEYPAD_KEYINC 3 #define KEYPAD_KEYDEC 4 #define KEYPAD_PRESCALER 256 #define LCD_PRESCALER 1024 #define PROG_INTERVALLMESSUNG 1 #define PROG_WACHSTUMSKURVE 2 #define PROG_LOESUNG_INDUZ 3 #define PROG_EXP_HALT 4 #define PROG_DATENTRANSFER 6 #define UART_BAUD_RATE 115200 #define UART_STR_LENGTH 40 #define EEPROM_CHIP_T 0b10100000 #define EEPROM_CHIP_V 0b10100010 //#define EEPROM_CHIP_V 0xA4 #define LOWBYTE(x) ((uint8_t)(x)) #define HIGHBYTE(x) ((uint8_t)((x) >> 8 )) #define TOUINT16_T(x,y) (((x) << 8) | y) #define stop_T1() (TCCR1B &= ~(1<<CS12)) //Fixdaten: //-- globals -- volatile struct { unsigned LCD_hold:1; unsigned KEYPAD_close:1; unsigned KEYPAD_keypressed:3; unsigned Mode:1; unsigned Screensaver:6; unsigned Screen_Off:1; } Status; volatile struct { unsigned Of:1; uint8_t Counter; uint8_t Counter_backup; uint16_t Preloader; } T0,T1,T2; volatile struct { unsigned Program:4; unsigned Selection:3; unsigned Hold:2; unsigned Execute_Program_Nr:4; float OD; uint16_t Vol; } Menue; volatile struct { uint8_t Interval; //in Minuten float Df; uint16_t Induz_Volume; float Dilute_at_OD; float Alarm_at_OD; float Set_at_OD; unsigned SIGA:1; unsigned SIGB:1; } Settings; volatile struct { unsigned Key:3; float Blank; float Abs; uint16_t Eep_addr_counter; uint16_t Eep_sc; char Eep_str[40]; uint16_t Time_left; //in Sek bis zur nächsten Messg uint8_t TRX_Indexer; } Data; volatile struct { unsigned Open:1; unsigned Cmd_Start:1; unsigned Cmd_Complete:1; unsigned Cmd_Received:1; uint8_t i; char Cmd[UART_STR_LENGTH]; unsigned rtys:5; unsigned Pong:1; unsigned Timeout:3; } RS232; volatile struct { char Cmd[40]; char Par[40]; char Out[UART_STR_LENGTH]; uint8_t Par_l; uint16_t crc; } Command; volatile char LCD_lauftext[100]; volatile char LCD_temp; //-- forwards -- int main(void); uint8_t strlength(const char* str); void snd_init(void); void motor_init(void); void avrboard_init(void); void delay_1s(void); void start_T1(void); void lcd_clr_scrollbar(void); void lcd_scroll_text(char* text, uint16_t Hz, uint8_t delay_factor); void keypad_init(void); void keypad_open(uint16_t Hz, uint8_t debounce_factor); void keypad_close(void); uint8_t keypad_check(void); void keypad_wait(uint8_t key); void rs232_gets(void); void rs232_puts(char* str); void rs232_open(void); void rs232_decode(void); unsigned rs232_checkcrc(void); void rs232_execute(void); void rs232_close(void); void snd_beep(uint16_t Hz, uint8_t time_index); void snd_play(uint8_t Melody); void led_init(void); void menue_show(void); void menue_select(void); void phot_ReadAbs(void); void phot_ReadBlank(void); uint16_t phot_ReadADC(void); void motor_stop(void); unsigned motor_open(uint32_t Ticks, uint8_t Prog, uint16_t frequency); uint16_t eeprom_readuint16_t(uint16_t eeprom_adress); void eeprom_writeuint16_t(uint16_t eeprom_adress, uint16_t var16); float eeprom_readfloat(uint16_t eeprom_adress); void eeprom_writefloat(uint16_t eeprom_adress, float var32); unsigned eeprom_add_data(uint16_t min, float value); void eeprom_read_data(uint16_t eeprom_adress); uint16_t eeprom_get_stopcodon(void); void eeprom_close(void); void eeprom_check(char err); /* uint8_t strlength(const char * str) { uint8_t length=0; while(str[length]!='\0'){ length++; } return length; }*/ ISR(TIMER0_OVF_vect) { //Keypad-Abfrage if (!(KEYPAD_OK_PINS & (1 << KEYPAD_OK_PIN))){ Status.KEYPAD_keypressed=KEYPAD_KEYOK; } else if (!(KEYPAD_ESC_PINS & (1 << KEYPAD_ESC_PIN))){ Status.KEYPAD_keypressed=KEYPAD_KEYESC; } else if (!(KEYPAD_INC_PINS & (1 << KEYPAD_INC_PIN))){ Status.KEYPAD_keypressed=KEYPAD_KEYINC; } else if (!(KEYPAD_DEC_PINS & (1 << KEYPAD_DEC_PIN))){ Status.KEYPAD_keypressed=KEYPAD_KEYDEC; } else Status.KEYPAD_keypressed = 0; T0.Of=1; TCNT0=T0.Preloader; } ISR(TIMER1_OVF_vect) { if (T1.Counter<255) T1.Counter++; else T1.Counter=0; if (Status.Screensaver < SCREENSAVER) Status.Screensaver++; //zählt bis 10 und stopp da. if (RS232.Timeout < TIMEOUT) RS232.Timeout++; T1.Of=1; TCNT1=T1.Preloader; } ISR(TIMER2_OVF_vect) { if (Status.LCD_hold==0){ if (T2.Counter == 0) { lcd_gotoxy(0,LCD_SCROLLING_ROW); for (uint8_t i=0; i<=LCD_ROW_LENGTH; i++) { lcd_putc(LCD_lauftext[i]); } LCD_temp=LCD_lauftext[0]; for (uint8_t i=0; i<=strlen((const char *)LCD_lauftext); i++) { LCD_lauftext[i]=LCD_lauftext[i+1]; } LCD_lauftext[strlen((const char *)LCD_lauftext)]=LCD_temp; T2.Counter = T2.Counter_backup; } else T2.Counter--; } T2.Of=1; TCNT2=T2.Preloader; } void start_T1(){ T1.Preloader=18660; //für 1s, Prescaler ist 256 TCCR1B |= (1<<CS12); //256 als Vorteiler TCNT1 = T1.Preloader; TIMSK |= (1<<TOIE1); T1.Of=0; } /* void delay_1s(){ _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); _delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20);_delay_ms(20); } */ void snd_init() { SND_DDR |= (1<<SND_PIN); //PB0 als Ausgang SND_PORT &= ~(1<<SND_PIN); //PB0 auf Low } void keypad_init() { KEYPAD_OK_DDR &= ~(1<<KEYPAD_OK_PIN); KEYPAD_OK_PORT |= (1<<KEYPAD_OK_PIN); KEYPAD_ESC_DDR &= ~(1<<KEYPAD_ESC_PIN); KEYPAD_ESC_PORT |= (1<<KEYPAD_ESC_PIN); KEYPAD_INC_DDR &= ~(1<<KEYPAD_INC_PIN); KEYPAD_INC_PORT |= (1<<KEYPAD_INC_PIN); KEYPAD_DEC_DDR &= ~(1<<KEYPAD_DEC_PIN); KEYPAD_DEC_PORT |= (1<<KEYPAD_DEC_PIN); } void motor_init() { MOTOR_A_DDR |= (1<<MOTOR_A_ENABLE_PIN); //Ausgang MOTOR_A_PORT &= ~(1<<MOTOR_A_ENABLE_PIN); //LOW MOTOR_A_DDR |= (1<<MOTOR_A_CWCCW_PIN); //Ausgang MOTOR_A_PORT &= ~(1<<MOTOR_A_CWCCW_PIN); //LOW MOTOR_A_DDR |= (1<<MOTOR_A_CLOCK_PIN); //Ausgang MOTOR_A_PORT &= ~(1<<MOTOR_A_CLOCK_PIN); //LOW MOTOR_B_DDR |= (1<<MOTOR_B_ENABLE_PIN); //Ausgang MOTOR_B_PORT &= ~(1<<MOTOR_B_ENABLE_PIN); //LOW MOTOR_B_DDR |= (1<<MOTOR_B_CWCCW_PIN); //Ausgang MOTOR_B_PORT &= ~(1<<MOTOR_B_CWCCW_PIN); //LOW MOTOR_B_DDR |= (1<<MOTOR_B_CLOCK_PIN); //Ausgang MOTOR_B_PORT &= ~(1<<MOTOR_B_CLOCK_PIN); //LOW } void led_init() { LED_BUSY_DDR |= (1<<LED_BUSY_PIN); //Ausgang LED_BUSY_PORT &= ~(1<<LED_BUSY_PIN); //LOW LED_ERROR_DDR |= (1<<LED_ERROR_PIN); //Ausgang LED_ERROR_PORT &= ~(1<<LED_ERROR_PIN); //LOW } void avrboard_init(){ motor_init(); //zuerst, saugt zu viel strom... led_init(); led_busy_on(); //FIXDATEN T0.Of=0; T1.Of=0; T1.Counter=0; T2.Of=0; RS232.Pong=0; Status.LCD_hold=0; Status.KEYPAD_close=0; Status.Screensaver=0; Status.Screen_Off = 0; Status.Mode = MODE_PC; RS232.Timeout=0; Menue.Program=0; Menue.Selection=0; Menue.Hold=0; RS232.i=0; RS232.Open=0; Data.Eep_addr_counter=0; Data.Eep_sc = 0; Data.TRX_Indexer = 0; Data.Key = 0; sei(); //Rest keypad_init(); lcd_init(LCD_DISP_ON); lcd_clrscr(); lcd_puts("Beginne Init."); lcd_gotoxy(0,1); lcd_puts("[OK] druecken!"); //keypad_wait(KEYPAD_KEYOK); start_T1(); snd_init(); i2c_init(); PHOT_LED_DDR |= (1<<PHOT_LED_PIN); //Ausgang PHOT_LED_PORT &= ~(1<<PHOT_LED_PIN); //LOW #ifndef nors232 uart_init( UART_BAUD_SELECT_DOUBLE_SPEED(UART_BAUD_RATE,F_CPU) ); #endif led_busy_off(); keypad_open(KEYPAD_SCANNING_FREQUENCY,KEYPAD_DEBOUNCE_SLOW); }
Brauchst sonst nochwas?Code:/************************************************************************* * Title: I2C master library using hardware TWI interface * Author: Peter Fleury <pfleury@gmx.ch> http://jump.to/fleury * File: $Id: twimaster.c,v 1.3 2005/07/02 11:14:21 Peter Exp $ * Software: AVR-GCC 3.4.3 / avr-libc 1.2.3 * Target: any AVR device with hardware TWI * Usage: API compatible with I2C Software Library i2cmaster.h **************************************************************************/ #include <inttypes.h> #include <compat/twi.h> #include <i2cmaster.h> /* define CPU frequency in Mhz here if not defined in Makefile */ #ifndef F_CPU #define F_CPU 12000000UL #endif /* I2C clock in Hz */ #define SCL_CLOCK 100000L /************************************************************************* Initialization of the I2C bus interface. Need to be called only once *************************************************************************/ void i2c_init(void) { /* initialize TWI clock: 100 kHz clock, TWPS = 0 => prescaler = 1 */ TWSR = 0; /* no prescaler */ TWBR = ((F_CPU/SCL_CLOCK)-16)/2; /* must be > 10 for stable operation */ }/* i2c_init */ ...
Viele Grüße,
Simon
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