int test_get_temp(struct harness_t *harness_p)
{
struct owi_driver_t owi;
struct ds18b20_driver_t ds;
struct owi_device_t devices[4];
char buf[24];
int number_of_sensors;
BTASSERT(owi_init(&owi, &pin_d7_dev, devices, membersof(devices)) == 0);
BTASSERT(ds18b20_init(&ds, &owi) == 0);
time_busy_wait_us(50000);
number_of_sensors = owi_search(&owi);
std_printf(FSTR("number_of_sensors = %d\r\n"), number_of_sensors);
BTASSERT(number_of_sensors == 2);
strcpy(buf, "drivers/ds18b20/list");
BTASSERT(fs_call(buf, NULL, sys_get_stdout(), NULL) == 0);
time_busy_wait_us(50000);
return (0);
}
// main program body
int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
board_init(); // init dco and leds
uart_init(); // init uart
rtc_timer_init(); // init rtc timer
ds18b20_sensor_t s[3]; // init ds18b20 sensors
ds18b20_init(&s[0],&P2OUT,&P2IN,&P2REN,&P2DIR,0); // sensor 0: PORT2 pin 0
ds18b20_init(&s[1],&P2OUT,&P2IN,&P2REN,&P2DIR,1); // sensor 1: PORT2 pin 1
ds18b20_init(&s[2],&P2OUT,&P2IN,&P2REN,&P2DIR,2); // sensor 2: PORT2 pin 2
prog_init();
pout_init(); // init power output (pump switch)
while(1)
{
int i;
for (i=0;i<3;i++) ds18d20_start_conversion(&s[i]); // start conversion
__bis_SR_register(CPUOFF + GIE); // enter sleep mode (leave on rtc second event)
for (i=0;i<3;i++)
{
ds18b20_read_conversion(&s[i]); // read data from sensor
if (s[i].valid==true)
{
t_val[i]=s[i].data.temp; // save temperature value
t_err[i]=0; // clear error counter
}
else if (t_err[i]!=0xFFFF) t_err[i]++; // increase error counter
}
__bis_SR_register(CPUOFF + GIE); // enter sleep mode (leave on rtc second event)
if (minute_event)
{
minute_event=false;
if (pauto) pout_set(AUTO);
__bis_SR_register(CPUOFF + GIE); // enter sleep mode (leave on rtc second event)
}
}
return -1;
}
void tempDeviceInit(void)
{
unsigned int i;
ds18b20_devices=w1_search(0xf0,ds18b20_rom_codes);
for (i=0; i<ds18b20_devices; i++)
{
ds18b20_init(&ds18b20_rom_codes[i][0],-30,125,DS18B20_9BIT_RES);
}
}
int main(int argc, char **argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
printf("Initializing...\n");
// Instantiate an DS18B20 instance using the uart 0
ds18b20_context sensor = ds18b20_init(0);
if (!sensor)
{
printf("ds18b20_init() failed.\n");
return(1);
}
printf("Found %d device(s)\n\n", ds18b20_devices_found(sensor));
// update and print available values every second
while (shouldRun)
{
// update our values for all sensors
ds18b20_update(sensor, -1);
int i;
for (i=0; i<ds18b20_devices_found(sensor); i++)
{
printf("Device %02d: Temperature: %f C\n",
i, ds18b20_get_temperature(sensor, i));
}
printf("\n");
upm_delay(2);
}
printf("Exiting...\n");
ds18b20_close(sensor);
//! [Interesting]
return 0;
}
void main()
{
/* speed up clock */
OSCCONbits.IRCF = 7;
/* turn on a led to show life sign */
TRISD = 0;
LATD = 1;
/* enable digital input */
ANSEL = 0;
ds18b20_init();
while ( 1 )
{
ds18b20_work();
}
}
int main(void)
{
USART1_Init(921600);
BTN_Init();
BTN_Interrupts();
LED_Init();
// Tick every 1 ms
if (SysTick_Config(SystemCoreClock / 1000)) while (1);
printf("Hello, World!\r\n");
ds18b20_init(GPIOC, GPIO_Pin_6, TIM2);
while(1)
{
ds18b20_read_temperature_all();
ds18b20_wait_for_conversion();
printf("%d---\r\n", ds18b20_get_precission());
ds18b20_convert_temperature_all();
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ds18b20_poll_process, ev, data)
{
static struct etimer et;
static uint8_t scratchpad[DS18B20_SCRATCHPAD_SIZE];
static ow_rom_code_t id;
PROCESS_BEGIN();
printf("\nDS18B20 test\n");
printf("VSEC ON\n");
power_control_vsec_set(1);
/* initialize the DS18B20 hardware */
printf("Initialize 1-wire\n");
ow_init();
printf("1-wire READ ROM\n");
id = ow_read_rom();
printf("Initialize DS18B20\n");
ds18b20_init();
printf("DS18B20 init done\n");
/* Poll at 1Hz */
etimer_set(&et, CLOCK_SECOND);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* Reset the etimer to trig again */
etimer_reset(&et);
ds18b20_read_scratchpad(id, scratchpad);
ds18b20_convert_temperature(id);
}
PROCESS_END();
}
simple_float ds18b20_GetTemp2( )
{
ds18b20_init(GPIOA, GPIO_PIN_6);
ds18b20_convert_temperature_simple();
return ds18b20_read_temperature_simple();
}
int main(void)
{
uint8_t last_min = 0;
cli();
DDRC = _BV(C_SCL);
DDRD = _BV(D_LCD_BL) | _BV(D_LCD_SEL) | _BV(D_LCD_SCK) |
_BV(D_LCD_MOSI) | _BV(D_LCD_RESET) | _BV(D_ALERT);
#if (FOSC == 18432000UL)
/*
* Fosc = 18432000
* Fping = 100 Hz
*
* Fosc / Fping / 1024 = 180;
*/
set_timer2(_BV(CS22) | _BV(CS21) | _BV(CS20), 180);
#elif (FOSC == 7372800UL)
/*
* Fosc = 7372800
* Fping = 100 Hz
*
* Fosc / Fping / 1024 = 72;
*/
set_timer2(_BV(CS22) | _BV(CS21) | _BV(CS20), 72);
#elif (FOSC == 16000000UL)
/*
* Fosc = 16000000
* Fping = 100 Hz
*
* Fosc / Fping / 1024 = 156;
*/
set_timer2(_BV(CS22) | _BV(CS21) | _BV(CS20), 156);
#else
#error "unsupported FOSC freq"
#endif
twi_master_init();
twi_add_device(rtc_begin, rtc_end);
twi_add_device(relay_begin, relay_end);
sei();
lcd_init();
lcd_fill(0, 0, 131, 131, 0x000);
ow_init();
ds18b20_init();
adc_sample();
set_point = 25 << 8;
while (1) {
ds18b20_ping();
if (last_min != time[1]) {
temp_history[temp_history_idx] = ds18b20_temps[1];
temp_history_idx++;
if (temp_history_idx == ARRAY_SIZE(temp_history))
temp_history_idx = 0;
last_min = time[1];
}
if (ph == 0) {
ph = (uint32_t)adc_data[2] << PH_IIR_SHIFT;
} else {
ph -= ph >> PH_IIR_SHIFT;
ph += adc_data[2];
}
ui();
if (alert)
PORTD |= _BV(D_ALERT);
else
PORTD &= ~_BV(D_ALERT);
cli();
if (ds18b20_temps[1] < set_point)
relays &= ~0x1;
else if(ds18b20_temps[1] > (set_point + (1 << 4)))
relays |= 0x1;
sei();
}
}
