/*----------------------------------------------------------------------------*
* NAME
* I2CcommsInit
*
* DESCRIPTION
* This function initialises the I2C
*
* RETURNS
* Nothing
*
*----------------------------------------------------------------------------*/
extern void I2CcommsInit(void)
{
/* Initialise I2C if it is not already initialised */
if(!i2c_initialised)
{
i2c_initialised = TRUE;
PioSetModes( ((0x01L << I2C_SDA_PIO) | (0x01L << I2C_SCL_PIO)),
pio_mode_user);
/* Configure the PIOs as Input */
PioSetDirs( ((0x01L << I2C_SDA_PIO) | (0x01L << I2C_SCL_PIO)),
FALSE);
PioSetPullModes(((0x01L << I2C_SDA_PIO) | (0x01L << I2C_SCL_PIO)),
pio_mode_strong_pull_down);
PioSetEventMask(((0x01L << I2C_SDA_PIO) | (0x01L << I2C_SCL_PIO)),
pio_event_mode_disable);
/* Configure the I2C controller */
I2cInit(I2C_SDA_PIO,
I2C_SCL_PIO,
I2C_POWER_PIO_UNDEFINED,
pio_i2c_pull_mode_strong_pull_up);
/* Configure pull mode of the I2C pins */
PioSetI2CPullMode(pio_i2c_pull_mode_strong_pull_up);
/* Configure the I2C clock */
I2cConfigClock(I2C_SCL_100KBPS_HIGH_PERIOD, I2C_SCL_100KBPS_LOW_PERIOD);
// I2cConfigClock(I2C_SCL_400KBPS_HIGH_PERIOD, I2C_SCL_400KBPS_LOW_PERIOD);
/* Enable the I2C controller */
I2cEnable(TRUE);
}
}
void AppInit(sleep_state last_sleep_state)
{
/* set all PIOs to inputs and pull them down */
PioSetModes(0xFFFFFFFFUL, pio_mode_user);
PioSetDirs(0xFFFFFFFFUL, FALSE);
PioSetPullModes(0xFFFFFFFFUL, pio_mode_strong_pull_down);
/* Set LED0 and LED1 to be controlled directly via PioSet */
PioSetModes((1UL << PIO_LED0), pio_mode_user);
/* Configure LED0 and LED1 to be outputs */
PioSetDir(PIO_LED0, PIO_DIR_OUTPUT);
/* Set the LED0 and LED1 to have strong internal pull ups */
PioSetPullModes((1UL << PIO_LED0),
pio_mode_strong_pull_up);
/* Configure button to be controlled directly */
PioSetMode(PIR_SIGNAL, pio_mode_user);
/* Configure button to be input */
PioSetDir(PIR_SIGNAL, PIO_DIR_INPUT);
/* Set weak pull up on button PIO, in order not to draw too much current
* while button is pressed
*/
PioSetPullModes((1UL << PIR_SIGNAL), pio_mode_weak_pull_down);
/* Set the button to generate sys_event_pio_changed when pressed as well
* as released
*/
PioSetEventMask((1UL << PIR_SIGNAL), pio_event_mode_rising);
/* disable wake up on UART RX */
SleepWakeOnUartRX(FALSE);
/* pull down the I2C lines */
PioSetI2CPullMode(pio_i2c_pull_mode_strong_pull_down);
/* Reset LED sequence */
restartLedSeq();
SleepModeChange(sleep_mode_deep);
TimerInit(MAX_APP_TIMERS, (void*)app_timers);
BeaconInit();
pirStatusServiceInit();
}
void AppInit(sleep_state last_sleep_state)
{
/* set all PIOs to inputs and pull them down */
PioSetModes(0xFFFFFFFFUL, pio_mode_user);
PioSetDirs(0xFFFFFFFFUL, FALSE);
PioSetPullModes(0xFFFFFFFFUL, pio_mode_strong_pull_down);
/* disable wake up on UART RX */
SleepWakeOnUartRX(FALSE);
/* pull down the I2C lines */
PioSetI2CPullMode(pio_i2c_pull_mode_strong_pull_down);
/* Start advertising */
startAdvertising();
}
