int main(void)
{
// Set the MCU clock to 8MHz
set_mcu_speed_xt2_mclk_8MHz_smclk_1MHz();
// Enable interrupts
eint();
// Swtich of LEDs
LEDS_INIT();
LEDS_OFF();
/** Initialization of timer A
* This has to be done before using any of the timer A manipulation routine
*/
timerA_init();
/** Callbacks registration
* Two callbacks are registered, one for alarm 0 and another one for alarm 1.
* Alarm 2 and overflow are not used. Therefore a NULL callback is registers.
* This disables the two interrupts
*/
timerA_register_cb(TIMERA_ALARM_CCR0, callback0);
timerA_register_cb(TIMERA_ALARM_CCR1, callback1);
timerA_register_cb(TIMERA_ALARM_CCR2, 0);
timerA_register_cb(TIMERA_ALARM_OVER, 0);
/** Alarm periods definition
* Alarm 0 is triggered every 32768 ticks (i.e. every 1s as ACLK is 32768Hz
* on WSN430). Its first call will happen 1 tick after the routine call.
* Alarm 1 is triggered every 16384 ticks (i.e. every 500ms). Its first call
* will happen 10 ticks after the routine call.
*/
timerA_set_alarm_from_now(TIMERA_ALARM_CCR0, 1, 32768);
timerA_set_alarm_from_now(TIMERA_ALARM_CCR1, 10, 16384);
/** Timer start
* Starts the timer with a frequency of ACK/TIMERA_DIV_1, i.e. 32768Hz
*/
timerA_start_ACLK_div(TIMERA_DIV_1);
// Main loop
while (1)
{
// Put the processor in low power mode (only ACLK is active)
LPM3;
// Toggles the blue LED and go back to LPM
toggle_led(2);
}
return 0;
}
int main( void )
{
// Stop the watchdog timer.
WDTCTL = WDTPW + WDTHOLD;
// Clock settings
set_mcu_speed_xt2_mclk_8MHz_smclk_8MHz(); // used by CDMA
set_aclk_div(1); // ACKL is at 32768Hz // used for clock synchronization
// Initialize the UART0
uart0_init(UART0_CONFIG_8MHZ_115200); // 115kbaud, SMCLK is at 8MHz
uart0_register_callback(char_rx); // Set the UART callback function
// Initialize random number
ds2411_init();
rnd = (((uint16_t)ds2411_id.serial0) << 8) + (uint16_t)ds2411_id.serial1;
// Timer settings
time_1w = 0;
timerA_init();
timerA_start_ACLK_div(TIMERA_DIV_1); // timerA period = 2s
timerA_register_cb(TIMERA_ALARM_OVER, timer_overflow); // timerA overflow event
timerA_register_cb(TIMERA_ALARM_CCR0, run_algorithm); // run algorithm at CCR0
timerA_register_cb(TIMERA_ALARM_CCR1, skew_correction); // compensate skew error at CCR1
timerA_set_alarm_from_now(TIMERA_ALARM_CCR0, rnd, 54983); // same period 1.678s, different phase
timerA_set_alarm_from_now(TIMERA_ALARM_CCR1, 35000, skew); // skew compensation happens every 'skew' ticks
// Initialize the MAC layer (radio)
mac_init(11);
mac_set_rx_cb(frame_rx);
mac_set_error_cb(frame_error);
mac_set_sent_cb(frame_sent);
// Enable Interrupts
eint();
while (1) {
}
return 0;
}
/**
* The main function.
*/
int main( void )
{
/* Stop the watchdog timer */
WDTCTL = WDTPW + WDTHOLD;
/* Setup the MSP430 micro-controller clock frequency: MCLK, SMCLK and ACLK */
/* Set MCLK at 8MHz and SMCLK at 1MHz */
set_mcu_speed_xt2_mclk_8MHz_smclk_1MHz();
/* Set ACKL at 4096Hz (32 768Hz / 8) */
set_aclk_div(8);
/* Initialize the LEDs */
LEDS_INIT();
LEDS_OFF();
/* Initialize the temperature sensor */
ds1722_init();
ds1722_set_res(12);
ds1722_sample_cont();
/* Initialize the Luminosity sensor */
tsl2550_init();
tsl2550_powerup();
tsl2550_set_standard();
tsl2550_read_adc0();
/* Initialize the UART0 */
/* We want 115kbaud, and SMCLK is running at 1MHz */
uart0_init(UART0_CONFIG_1MHZ_115200);
/* Set the UART callback function it will be called every time a character is received. */
uart0_register_callback(char_rx);
/* Print first message */
printf("\n\nSenslab Simple Demo program\n");
/* Enable Interrupts */
eint();
/* Print information */
printf("Type command\n");
printf("\tt:\ttemperature measure\n");
printf("\tl:\tluminosity measure\n");
/* Initialize the timer for the LEDs */
timerA_init();
/* TimerA clock is at 512Hz (4096Hz / 8) */
timerA_start_ACLK_div(TIMERA_DIV_8);
/* Configure the first timerA period to 1s (periodic) */
timerA_set_alarm_from_now(TIMERA_ALARM_CCR0, 512, 512);
/* Set the first timerA callback */
timerA_register_cb(TIMERA_ALARM_CCR0, alarm);
// Declare 2 variables for storing the different values
int16_t value_0=0, value_1=1;
while (1) {
printf("cmd > ");
cmd = 0;
while (cmd==0) {
LPM0; // Low Power Mode 1: SMCLK remains active for UART
}
switch (cmd) {
case 't':
value_0 = ds1722_read_MSB();
value_1 = ds1722_read_LSB();
value_1 >>= 5;
value_1 *= 125;
printf("Temperature measure: %i.%i\n", value_0, value_1);
break;
case 'l':
tsl2550_init();
value_0 = tsl2550_read_adc0();
value_1 = tsl2550_read_adc1();
uart0_init(UART0_CONFIG_1MHZ_115200);
uart0_register_callback(char_rx);
printf("Luminosity measure: %i:%i\n", value_0, value_1);
break;
default:
break;
}
}
return 0;
}