__interrupt void USCI0RX_ISR(void)
{
TACCTL0 &= ~CCIE;//Stop Timmer
#ifdef SAVE
if((IFG2&UCB0RXIFG) == UCB0RXIFG)
{
//SPI_RxISR_Hook();
*SPI_Rx_Buffer = UCB0RXBUF; // 读取接收缓存，同时，用于清除“UCA0RXIFG”中断标志位
if(SPI_Rx_Size!=0)
{
SPI_Rx_Size-- ; // 待发送的数据减1
SPI_Rx_Buffer++; // 接收指针向下一字节偏移
UCB0TXBUF = 0xFF; // 纯粹为了提供CLK。UCA0TXIFG标志位同时被清除。
}
IFG2 &= ~UCB0TXIFG; //！
if(SPI_Rx_Size==0)
// flagRx = 0;
_bic_SR_register_on_exit(LPM0_bits);
}
#endif
if((IFG2&UCA0RXIFG) == UCA0RXIFG)
{
IFG2 &= ~UCA0RXIFG; // 手动清除标志位
UART_OnRx(); // 调用Rx事件处理函数
}
if (isInTimmer == 0) TACCTL0 |= CCIE;//Enable Timmer
}
__interrupt void USI_TXRX(void)
{
switch(__even_in_range(i2c_state,12)) {
case I2C_IDLE:
break;
case I2C_START: // generate start condition
USISRL = 0x00;
USICTL0 |= (USIGE|USIOE);
USICTL0 &= ~USIGE;
i2c_prepare_data_xmit_recv();
break;
case I2C_PREPARE_ACKNACK: // prepare to receive ACK/NACK
USICTL0 &= ~USIOE; // SDA = input
USICNT |= 0x01; // Bit counter=1, receive (N)Ack bit
i2c_state = I2C_HANDLE_RXTX; // Go to next state: check ACK/NACK and continue xmitting/receiving if necessary
break;
case I2C_HANDLE_RXTX: // Process Address Ack/Nack & handle data TX
if((USISRL & BIT0) != 0) { // did we get a NACK?
i2c_prepare_stop();
} else {
i2c_prepare_data_xmit_recv();
}
break;
case I2C_RECEIVED_DATA: // received data, send ACK/NACK
*i2c_receive_buffer = USISRL;
i2c_receive_buffer++;
USICTL0 |= USIOE; // SDA = output
if(i2c_sequence_length > 0) {
// If this is not the last byte
USISRL = 0x00; // ACK
i2c_state = I2C_HANDLE_RXTX; // Go to next state: data/rcv again
} else { // last byte: send NACK
USISRL = 0xff; // NACK
i2c_state = I2C_PREPARE_STOP; // stop condition is next
}
USICNT |= 0x01; // Bit counter = 1, send ACK/NACK bit
break;
case I2C_PREPARE_STOP: // prepare stop condition
i2c_prepare_stop(); // prepare stop, go to state 14 next
break;
case I2C_STOP: // Generate Stop Condition
USISRL = 0x0FF; // USISRL = 1 to release SDA
USICTL0 |= USIGE; // Transparent latch enabled
USICTL0 &= ~(USIGE|USIOE); // Latch/SDA output disabled
i2c_state = I2C_IDLE; // Reset state machine for next xmt
if(i2c_wakeup_sr_bits) {
_bic_SR_register_on_exit(i2c_wakeup_sr_bits); // exit active if prompted to
}
break;
}
USICTL1 &= ~USIIFG; // Clear pending flag
}
__interrupt void USCI_A0_ISR(void)
{
switch(__even_in_range(UCA0IV,4))
{
case 0: break; // Vector 0 - no interrupt
case 2: // Vector 2 - RXIFG
SPI_RxISR();
if(SPI_Rx_Size == 0)
_bic_SR_register_on_exit(LPM0_bits);
break;
case 4:
SPI_TxISR();
if(SPI_Tx_Size == 0)
_bic_SR_register_on_exit(LPM0_bits);
break; // Vector 4 - TXIFG
default: break;
}
}
__interrupt void handleTimerA(void)
{
timeMSec++; // count milliseconds
if(timeMSec == 1000) // if we reached 1 second
{
timeMSec = 0; // reset milliseconds
timeSecond++; // increase seconds
if(timeSecond == 60) // if we reached 1 minute
{
timeSecond = 0; // reset seconds
timeMinute++; // increase minutes
if(timeMinute == 60) // if we reached 1 hour
{
timeMinute = 0; // reset minutes
}
}
VCOM ^= MLCD_VCOM; // invert polarity bit every second
_bic_SR_register_on_exit(LPM0_bits); // wake up main loop every second
}
}
__interrupt void USCI0TX_ISR(void)
{
//TACCTL0 &= ~CCIE;//Stop Timmer
#ifdef SAVE
if((IFG2&UCB0TXIFG) == UCB0TXIFG)
{
//IFG2 &= ~UCB0TXIFG;
// SPI_TxISR_Hook();
UCB0RXBUF; // Tx和Rx中断标志位都会置位。此处对UCA0RXBUF空操作，用于清除“UCA0RXIFG”中断标志位
if(SPI_Tx_Size!=0)
{
SPI_Tx_Size-- ; // 待发送的数据减1
SPI_Tx_Buffer++; // 发送指针向下一字节偏移
UCB0TXBUF = *SPI_Tx_Buffer; // 放入发送缓存，同时，用于清除“UCA0TXIFG”中断标志位
}
else
IFG2 &= ~UCB0TXIFG;
if(SPI_Tx_Size==0)
_bic_SR_register_on_exit(LPM0_bits);
//IFG2 &= ~UCB0TXIFG;
}
#endif
if((IFG2&UCA0TXIFG) == UCA0TXIFG)
{
IFG2 &= ~UCA0TXIFG;
UART_OnTx(); // 调用Tx事件处理函数
//IFG2 &= ~UCA0TXIFG; // 手动清除标志位
}
//TACCTL0 |= CCIE;//Enable Timmer
//if (isInTimmer == 0) TACCTL0 |= CCIE;
}
__interrupt void ADC10_ISR_HOOK(void)
{
_bic_SR_register_on_exit(LPM4_bits);
}
