static void dbg_mem(uint8_t *mm, const int max, struct debug_t *debug)
{
int i=0;
uint8_t j;
while (i<max) {
strcpy_P (debug->line, PSTR("Byte ["));
debug->string = utoa(i, debug->string, 16);
strcat (debug->line, debug->string);
strcpy_P (debug->string, PSTR(" - "));
strcat (debug->line, debug->string);
debug->string = utoa(i + PRINT_VALUE_X_LINE - 1, debug->string, 16);
strcat (debug->line, debug->string);
strcpy_P (debug->string, PSTR("]: "));
strcat (debug->line, debug->string);
for (j=0; j < PRINT_VALUE_X_LINE; j++)
if ((i+j) < max) {
debug->string = utoa(*(mm+i+j), debug->string, 16);
strcat (debug->line, debug->string);
strcpy_P (debug->string, PSTR(" "));
strcat (debug->line, debug->string);
}
uart_printstr (debug->line);
uart_putchar ('\n');
i += j;
}
uart_putchar ('\n');
}
void debug_print_P(PGM_P string, struct debug_t *debug)
{
if (debug->active) {
strcpy_P(debug->line, string);
uart_printstr(debug->line);
}
}
void getDate(int *yy, int *mm, int *dd)
{
unsigned char c;
char str[25];
int i;
// Get date from user
// modify values yy, mm, dd
uart_printstr("Please Enter Year (yyyy):");
for (i=0;i<=4-1;i++){
c = uart_getc(); // Get character
uart_putc(c); // Echo it back
str[i] = c;
}
str[i] = '\0';
}
/******************************* Main Program Code *************************/
int main(void)
{
// configure the microprocessor pins for the data lines
lcd_D7_ddr |= (1<<lcd_D7_bit); // 4 data lines - output
lcd_D6_ddr |= (1<<lcd_D6_bit);
lcd_D5_ddr |= (1<<lcd_D5_bit);
lcd_D4_ddr |= (1<<lcd_D4_bit);
// configure the microprocessor pins for the control lines
lcd_E_ddr |= (1<<lcd_E_bit); // E line - output
lcd_RS_ddr |= (1<<lcd_RS_bit); // RS line - output
// configure the microprocessor pins for the pushbutton
pushbutton_ddr &= (1<<pushbutton_bit);
pushbutton_port |= (1<<pushbutton_bit);
// initialize adc
ADMUX = ((1<<REFS0)|(1<<MUX2)|(1<<MUX0)); // Aref = Vcc, select ADC5
ADCSRA = ((1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<ADPS0)); // Prescaler div factor = 128
// initialize the LCD controller as determined by the defines (LCD instructions)
lcd_init_4d(); // initialize the LCD display for a 4-bit interface
// initialize TWI
i2c_init();
// initialize thermometer
therm_init();
// display the first line of information
lcd_write_string_4d(disp_time);
// set cursor to start of second line
lcd_write_instruction_4d(lcd_setCursor | lcd_lineTwo);
_delay_us(40); // 40 uS delay (min)
// Code for interfacing with the serial connection
char str[25];
int yy,mm,dd;
sei(); // Enable global interrupts
uart_init(); // Initialize the USART using baud rate 9600
uart_printstr(sdata); // Print a string from SRAM
uart_printstr(fdata); // Print a string from FLASH
getDate(&yy,&mm,&dd); // Get date from user
sprintf(str,"Date: %d/%d/%d\n",yy,mm,dd);
uart_printstr(str);
// endless loop
while(1)
{
uart_printstr(sdata); // Print a string from SRAM
uart_printstr(fdata);
// replace with check for button press function
if(bit_is_clear(pushbutton_pin,pushbutton_bit))
{
_delay_ms(100);
if(bit_is_clear(pushbutton_pin,pushbutton_bit))
mode_new = (mode + 1) % 3;
}
if(mode_new != mode)
{
// clear lcd
lcd_write_instruction_4d(lcd_clear);
// display the first line of information
// set cursor to start of first line
lcd_write_instruction_4d(lcd_setCursor | lcd_lineOne);
_delay_us(40); // 40 uS delay (min
lcd_write_string_4d(disp_time);
// set cursor to start of second line
lcd_write_instruction_4d(lcd_setCursor | lcd_lineTwo);
_delay_us(40); // 40 uS delay (min)
if (mode_new == 0)
{
voltage = read_ADC();
lcd_write_string_4d(disp_volt);
}
else if (mode_new == 1)
{
frequency = 10 * freq_cntr_get_frequency();
lcd_write_string_4d(disp_freq);
}
else
{
temp_calcTemp(); // test thermometer
lcd_write_string_4d(disp_temp);
}
}
mode = mode_new;
}
return 0;
}
void debug_print(struct debug_t *debug)
{
if (debug->active)
uart_printstr(debug->line);
}