void CheckButtons(void)
{
uint8_t statmp;
uint8_t checkack;
if (!ioport_get_value(GPIO_PUSH_BUTTON_4))
{
delay_ms(20);
if (!ioport_get_value(GPIO_PUSH_BUTTON_4))
{
ioport_set_pin_low(LED4_GPIO);
TX_BUF[0] = DATA;
nrf24l01_TX_config_master(TX_BUF);
Check_ACK_master(1);
delay_ms(100);
ioport_set_pin_high(LED4_GPIO);
//nrf24l01_RX_config();
while(!ioport_get_value(GPIO_PUSH_BUTTON_4)); //wait the button the release
DATA <<= 1;
if(!DATA)
DATA = 0x01;
}
}
}
/**
* \brief Check for presence of required jumpers
*
* This function checks that the two jumpers on header J1 and J2 are present.
* The jumpers should connect:
* - PC2 to PC4 (RXD to SS on header J1)
* - PB2 to PA4 (ADC2 to ADC4 on header J2)
*
* \return \c true if both jumpers are present, \c false otherwise
*/
static bool main_check_jumpers(void)
{
/* Check jumper presence by driving one pin high, and setting the other
* as input with pull-down
*/
ioport_configure_pin(J1_PIN2, IOPORT_DIR_OUTPUT | IOPORT_INIT_HIGH);
ioport_configure_pin(J1_PIN4, IOPORT_DIR_INPUT | IOPORT_PULL_DOWN);
ioport_configure_pin(J2_PIN2, IOPORT_DIR_OUTPUT | IOPORT_INIT_HIGH);
ioport_configure_pin(J2_PIN4, IOPORT_DIR_INPUT | IOPORT_PULL_DOWN);
if (!ioport_get_value(J1_PIN4) || !ioport_get_value(J2_PIN4)) {
return false;
} else {
return true;
}
}
