void amb8420Init(void)
{
RPRINTF("amb8420Init...\n");
amb8420InitSerial();
pinAsOutput(AMB8420_RESET_PORT, AMB8420_RESET_PIN);
pinAsOutput(AMB8420_CONFIG_PORT, AMB8420_CONFIG_PIN);
pinAsOutput(AMB8420_SLEEP_PORT, AMB8420_SLEEP_PIN);
pinAsOutput(AMB8420_TRX_DISABLE_PORT, AMB8420_TRX_DISABLE_PIN);
// pinAsOutput(AMB8420_DATA_REQUEST_PORT, AMB8420_DATA_REQUEST_PIN);
pinAsInput(AMB8420_RTS_PORT, AMB8420_RTS_PIN);
// pinAsInput(AMB8420_DATA_INDICATE_PORT, AMB8420_DATA_INDICATE_PIN);
pinSet(AMB8420_CONFIG_PORT, AMB8420_CONFIG_PIN);
// pinClear(AMB8420_DATA_REQUEST_PORT, AMB8420_DATA_REQUEST_PIN);
// in case interrupts are used (for non-command mode):
//pinIntRising(AMB8420_DATA_INDICATE_PORT, AMB8420_DATA_INDICATE_PIN);
//pinEnableInt(AMB8420_DATA_INDICATE_PORT, AMB8420_DATA_INDICATE_PIN);
initResult = amb8420Reset();
// make sure low power mode is enabled
pinSet(AMB8420_TRX_DISABLE_PORT, AMB8420_TRX_DISABLE_PIN);
pinSet(AMB8420_SLEEP_PORT, AMB8420_SLEEP_PIN);
alarmInit(&radioResetTimer, onRadioReset, NULL);
alarmSchedule(&radioResetTimer, RADIO_RESET_INTERVAL);
RPRINTF("..done\n");
}
static void serialInitPins1(void) {
// serial 1
pinAsOutput(UTXD1_PORT, UTXD1_PIN);
pinAsInput(URXD1_PORT, URXD1_PIN);
pinClear(UTXD1_PORT, UTXD1_PIN);
pinAsFunction(UTXD1_PORT, UTXD1_PIN);
pinAsFunction(URXD1_PORT, URXD1_PIN);
}
uint_t serialInit(uint8_t id, uint32_t speed, uint8_t conf)
{
if (conf != 0) return -ENOSYS;
// support only one baudrate (XXX: panic on error?)
if (speed != SOFT_SERIAL_BAUDRATE) return -ENOSYS;
if (id == 0) {
pinAsData(UART0_TX_PORT, UART0_TX_PIN);
pinAsOutput(UART0_TX_PORT, UART0_TX_PIN);
pinAsData(UART0_RX_PORT, UART0_RX_PIN);
pinAsInput(UART0_RX_PORT, UART0_RX_PIN);
#if UART0_HW_TX_PORT != UART0_TX_PORT
// -- also setup HW serial ports in the same mode
pinAsData(UART0_HW_TX_PORT, UART0_HW_TX_PIN);
pinAsInput(UART0_HW_TX_PORT, UART0_HW_TX_PIN);
// pinAsOutput(UART0_HW_TX_PORT, UART0_HW_TX_PIN);
pinAsData(UART0_HW_RX_PORT, UART0_HW_RX_PIN);
pinAsInput(UART0_HW_RX_PORT, UART0_HW_RX_PIN);
#endif
#if USE_SW_SERIAL_INTERRUPTS
// PRINTF("serial int init\n");
pinEnableInt(UART0_RX_PORT, UART0_RX_PIN);
pinIntFalling(UART0_RX_PORT, UART0_RX_PIN);
pinClearIntFlag(UART0_RX_PORT, UART0_RX_PIN);
#endif
}
else {
pinAsData(UART1_TX_PORT, UART1_TX_PIN);
pinAsOutput(UART1_TX_PORT, UART1_TX_PIN);
pinAsData(UART1_RX_PORT, UART1_RX_PIN);
pinAsInput(UART1_RX_PORT, UART1_RX_PIN);
}
// Configure Timer_B
TBCTL = TBCLR;
TBCTL = TBSSEL_2 + MC_2; // clock = SMCLK
// Initialize UART
if (id == 0) {
pinSet(UART0_TX_PORT, UART0_TX_PIN);
// pinSet(UART0_HW_TX_PORT, UART0_HW_TX_PIN);
} else {
pinSet(UART1_TX_PORT, UART1_TX_PIN);
}
TBCCTL0 = 0;
TBCCTL1 = 0;
TBCCTL2 = 0;
#ifdef TBCCTL3_
TBCCTL3 = 0;
TBCCTL4 = 0;
TBCCTL5 = 0;
TBCCTL6 = 0;
#endif
// TACTL = TACLR;
#ifndef USE_SW_SERIAL_INTERRUPTS
TBCCR2 = TBR + 100;
TBCCTL2 = CCIE;
#endif
return 0;
}