TI中文支持网例程如下， Txbuffer本来是｛0XAA,0XBB,0XCC,0XDD,0XEE}，在接收端能看到对应的数据。
但我将其改成{1,2,3,4,5}就不行了，请问是什么原因？ 是否因为buffer的数据长度的限制（<61bytes?）
我的最终目的是将温度数据IntDegC放入Txbuffer并发送。 请问该例程是否可行
#include "RF_Toggle_LED_Demo.h"
#define PACKET_LEN (0x05) // PACKET_LEN <= 61
#define RSSI_IDX (PACKET_LEN) // Index of appended RSSI#define CRC_LQI_IDX (PACKET_LEN+1) // Index of appended LQI, checksum
#define CRC_OK (BIT7) // CRC_OK bit#define PATABLE_VAL (0x51) // 0 dBm output
extern RF_SETTINGS rfSettings;
unsigned char packetReceived;
unsigned char packetTransmit;
unsigned char RxBuffer[PACKET_LEN+2];
unsigned char RxBufferLength = 0;
const unsigned char TxBuffer[PACKET_LEN]= {1,2,3,4,5};
unsigned char buttonPressed = 0;
unsigned int i = 0;
unsigned char transmitting = 0;unsigned char receiving = 0;
void main( void )
{ // Stop watchdog timer to prevent time out reset WDTCTL = WDTPW + WDTHOLD;
// Increase PMMCOREV level to 2 for proper radio operation
SetVCore(2); ResetRadioCore(); InitRadio();
InitButtonLeds();
ReceiveOn(); receiving = 1; while (1)
{ __bis_SR_register( LPM3_bits + GIE ); __no_operation(); if (buttonPressed) // Process a button press->transmit {
P3OUT |= BIT6; // Pulse LED during Transmit buttonPressed = 0; P1IFG = 0; ReceiveOff();
receiving = 0; Transmit( (unsigned char*)TxBuffer, sizeof TxBuffer); transmitting = 1;
P1IE |= BIT7; // Re-enable button press }
else if(!transmitting)
{
ReceiveOn(); receiving = 1; }
}
}
void InitButtonLeds(void)
{
// Set up the button as interruptible P1DIR &= ~BIT7;
P1REN |= BIT7;
P1IES &= BIT7;
P1IFG = 0;
P1OUT |= BIT7;
P1IE |= BIT7;
// Initialize Port J
PJOUT = 0x00;
PJDIR = 0xFF;
// Set up LEDs P1OUT &= ~BIT0;
P1DIR |= BIT0;
P3OUT &= ~BIT6;
P3DIR |= BIT6;
}
void InitRadio(void)
{
// Set the High-Power Mode Request Enable bit so LPM3 can be entered
// with active radio enabled PMMCTL0_H = 0xA5;
PMMCTL0_L |= PMMHPMRE_L; PMMCTL0_H = 0x00; WriteRfSettings(&rfSettings);
WriteSinglePATable(PATABLE_VAL);
}
#pragma vector=PORT1_VECTOR
__interrupt void PORT1_ISR(void)
{
switch(__even_in_range(P1IV, 16))
{
case 0: break;
case 2: break; // P1.0 IFG
case 4: break; // P1.1 IFG
case 6: break; // P1.2 IFG
case 8: break; // P1.3 IFG
case 10: break; // P1.4 IFG
case 12: break; // P1.5 IFG
case 14: break; // P1.6 IFG
case 16: // P1.7 IFG
P1IE = 0; // Debounce by disabling buttons
buttonPressed = 1;
__bic_SR_register_on_exit(LPM3_bits); // Exit active break;
}
}
void Transmit(unsigned char *buffer, unsigned char length)
{
RF1AIES |= BIT9; RF1AIFG &= ~BIT9; // Clear pending interrupts
RF1AIE |= BIT9; // Enable TX end-of-packet interrupt
WriteBurstReg(RF_TXFIFOWR, buffer, length); Strobe( RF_STX ); // Strobe STX}
void ReceiveOn(void)
{ RF1AIES |= BIT9; // Falling edge of RFIFG9
RF1AIFG &= ~BIT9; // Clear a pending interrupt
RF1AIE |= BIT9; // Enable the interrupt // Radio is in IDLE following a TX, so strobe SRX to enter Receive Mode
Strobe( RF_SRX );}
void ReceiveOff(void)
{
RF1AIE &= ~BIT9; // Disable RX interrupts
RF1AIFG &= ~BIT9; // Clear pending IFG
// It is possible that ReceiveOff is called while radio is receiving a packet.
// Therefore, it is necessary to flush the RX FIFO after issuing IDLE strobe // such that the RXFIFO is empty prior to receiving a packet.
Strobe( RF_SIDLE );
Strobe( RF_SFRX );}
#pragma vector=CC1101_VECTOR
__interrupt void CC1101_ISR(void)
{
switch(__even_in_range(RF1AIV,32)) // Prioritizing Radio Core Interrupt {
case 0: break; // No RF core interrupt pending case 2: break; // RFIFG0 case 4: break; // RFIFG1
case 6: break; // RFIFG2
case 8: break; // RFIFG3
case 10: break; // RFIFG4
case 12: break; // RFIFG5
case 14: break; // RFIFG6 case 16: break; // RFIFG7
case 18: break; // RFIFG8
case 20: // RFIFG9
if(receiving) // RX end of packet
{
// Read the length byte from the FIFO RxBufferLength = ReadSingleReg( RXBYTES ); ReadBurstReg(RF_RXFIFORD, RxBuffer, RxBufferLength); // Stop here to see contents of RxBuffer
__no_operation(); // Check the CRC results
if(RxBuffer[CRC_LQI_IDX] & CRC_OK) P1OUT ^= BIT0; // Toggle LED1 }
else if(transmitting) // TX end of packet
{
RF1AIE &= ~BIT9; // Disable TX end-of-packet interrupt
P3OUT &= ~BIT6; // Turn off LED after Transmit transmitting = 0; }
else while(1); // trap break;
case 22: break; // RFIFG10
case 24: break; // RFIFG11
case 26: break; // RFIFG12
case 28: break; // RFIFG13
case 30: break; // RFIFG14
case 32: break; // RFIFG15
} __bic_SR_register_on_exit(LPM3_bits);}
Annie Liu：
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