int fputc(int ch, FILE *f)
{
uint8_t byte = ch;
#if DEBUG_MODE_UART
UART_Send((const uint8_t *)&byte, sizeof(uint8_t));
#endif /* DEBUG_MODE_UART */
#if DEBUG_MODE_RADIO
RADIO_TX(&byte, 1);
#endif /* DEBUG_MODE_RADIO */
#if DEBUG_MODE_FLASH
if (currentFLASHWriteAddress < ADDRESS_LOG_END)
{
if (LX_FIFOIsFull(fifoFLASH))
{
MX25L4006E_WakeUp();
uint8_t buf[FLASH_FIFO_SIZE] = {0};
LX_FIFORead(fifoFLASH, buf, sizeof(buf));
MX25L4006E_Write(currentFLASHWriteAddress, buf, sizeof(buf), 300);
currentFLASHWriteAddress += sizeof(buf);
}
}
LX_FIFOWrite(fifoFLASH, &byte, 1);
#endif /* DEBUG_MODE_FLASH */
return ch;
}
void main( void )
{
calScheduler=0; // Initialize calibration scheduler
// Initialize microcontroller (Digital and analog I/O, timers, clock, etc)
HAL_INIT();
// Initialize board-specific hardware functionality such as sensors,
// power management, LEDs, etc.
BSP_INIT();
// Load all configuration registers of radio and put radio into idle mode
RADIO_INIT();
// Set power level for transmit operation
RADIO_SET_TX_PWR(0xFF);
// Radio goes to sleep here to save power during remaining initialization
RADIO_SLEEP();
// Initialize the ADC for sensor measurements
HAL_ADC_INIT();
// Select the proper input channel for sampling an analog sensor
HAL_ADC_CHANNEL_SELECT(BSP_INCH_TEMP);
//HAL_ADC_CHANNEL_SELECT(BSP_INCH_PHOTO);
while(1)
{
// Calibrate radio VCO every fourth frame (starting with first frame)
if(!calScheduler) {
// Calibrate the radio frequency synth.
// Automatically wakes the radio if it's asleep.
RADIO_CALIBRATE();
calScheduler=3;
} else {
calScheduler--;
}
// Sample the sensors
HAL_ADC_CHANNEL_SELECT(BSP_INCH_TEMP);
tempValue = HAL_ADC_SAMPLE();
// Turn ON photosensor
BSP_PHOTO_ENABLE();
HAL_PRECISE_DELAY(1); // Wait a while to let node charge
HAL_ADC_CHANNEL_SELECT(BSP_INCH_PHOTO);
photoValue = HAL_ADC_SAMPLE();
BSP_PHOTO_DISABLE();
// Load up the message buffer
msgBuf[0] = SENSOR_ID_TEMP;
msgBuf[1] = _swap_bytes(tempValue) & 0x03u; // 2 MSbs
msgBuf[2] = tempValue & 0xFFu; // 8 LSbs
msgBuf[3] = SENSOR_ID_PHOTO;
msgBuf[4] = _swap_bytes(photoValue) & 0x03u; // 2 MSbs
msgBuf[5] = photoValue & 0xFFu; // 8 LSbs
// Transmit a message to the receiver. This function will also send
// the network ID and sensor ID automatically.
// This function may return before the transmission is complete.
// Automatically wakes the radio if it's asleep.
RADIO_TX(msgBuf);
// Add delay to make sure all data is transmitted. What is the minimum delay?
HAL_PRECISE_DELAY(100);
// DEBUG: No need to sleep if we're going down...
RADIO_SLEEP();
// DEBUG: Blackout/recharge
BSP_LDO_HOLD_POUT &= ~BSP_LDO_HOLD_BIT;
HAL_LONG_DELAY(12000);
BSP_LDO_HOLD_POUT |= BSP_LDO_HOLD_BIT;
}
}
