static void cmd_adc(Stream *chp, int argc, char* argv[])
{
(void)argc;
(void)argv;
int32_t temp = adc_read_temp();
chprintf(chp,"Temperature = %d\r\n", temp);
int32_t inp = adc_read_input();
chprintf(chp,"Input = %d\r\n", inp);
}
//*****************************************************************************************
//
// Function : print_temp
// Description : Print ADC0 and temparature to buffer
//
//*****************************************************************************************
void print_temp ( BYTE *dest )
{
WORD adc0_value;
BYTE temp_value;
adc0_value = adc_read ( 0 );
temp_value = adc_read_temp ( );
dest = print_decimal ( dest, 4, adc0_value );
*dest++ = ',';
dest = print_decimal ( dest, 2, temp_value );
*dest++ = ASCII_DEGREE;
*dest++ = 'C';
*dest = '\0';
}
//*****************************************************************************************
//
// Function : main
// Description : main program,
//
//*****************************************************************************************
int main (void)
{
// change your mac address here
avr_mac.byte[0] = 'A';
avr_mac.byte[1] = 'V';
avr_mac.byte[2] = 'R';
avr_mac.byte[3] = 'P';
avr_mac.byte[4] = 'O';
avr_mac.byte[5] = 'R';
// read avr and server ip from eeprom
eeprom_read_block ( &avr_ip, ee_avr_ip, 4 );
eeprom_read_block ( &server_ip, ee_server_ip, 4 );
// setup port as input and enable pull-up
SW_DDR &= ~ ( _BV( SW_MENU ) | _BV( SW_EXIT ) | _BV( SW_UP ) | _BV( SW_DW ) );
SW_PORT |= _BV( SW_MENU ) | _BV( SW_EXIT ) | _BV( SW_UP ) | _BV( SW_DW );
SFIOR &= ~_BV( PUD );
// setup lcd backlight as output
LCD_BL_DDR |= _BV( LCD_BL_PIN );
// lcd backlight on
LCD_BL_PORT |= _BV( LCD_BL_PIN );
// setup clock for timer1
TCCR1B = 0x01; // clk/1 no prescaling
// initial adc, lcd, and menu
adc_init();
lcd_init ();
menu_init ();
// set LED1, LED2 as output */
LED_DDR |= _BV( LED_PIN1_DDR ) | _BV( LED_PIN2_DDR );
// set LED pin to "1" ( LED1,LED2 off)
LED_PORT |= _BV( LED_PIN1 ) | _BV( LED_PIN2 );
// initial enc28j60
enc28j60_init( (BYTE*)&avr_mac );
// loop forever
for(;;)
{
// wait until timer1 overflow
while ( (TIFR & _BV ( TOV1 )) == 0 );
TIFR |= _BV(TOV1);
TCNT1 = 1536; // Timer1 overflow every 1/16MHz * ( 65536 - 1536 ) = 4ms, 250Hz
// general time base, generate by timer1
// overflow every 1/250 seconds
time_base ();
// read temparature
adc_read_temp();
// server process response for arp, icmp, http
server_process ();
// send temparature to web server unsing http protocol
// disable by default.
client_process ();
// lcd user interface menu
// setup IP address, countdown timer
menu_process ();
// display AVR ethernet status
// temparature, AVR ip, server ip, countdown time
standby_display ();
}
return 0;
}
