cc2640例程 中串口程序问题

更多信息您可以查看tirtos_cc13xx_cc26xx安装文件夹内的

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#define MAX_NUM_RX_BYTES    1000   // Maximum RX bytes to receive in one go
#define MAX_NUM_TX_BYTES    1000   // Maximum TX bytes to send in one go
uint32_t wantedRxBytes;            // Number of bytes received so far
uint8_t rxBuf[MAX_NUM_RX_BYTES];   // Receive buffer
uint8_t txBuf[MAX_NUM_TX_BYTES];   // Transmit buffer
// Callback function
static void readCallback(UART_Handle handle, void *rxBuf, size_t size)
{
    // Copy bytes from RX buffer to TX buffer
    for(size_t i = 0; i < size; i++)
        txBuf[i] = ((uint8_t*)rxBuf)[i];
    // Echo the bytes received back to transmitter
    UART_write(handle, txBuf, size);
    // Start another read, with size the same as it was during first call to
    // UART_read()
    UART_read(handle, rxBuf, wantedRxBytes);
}
static void taskFxn(UArg a0, UArg a1)
{
    UART_Handle handle;
    UART_Params params;
    // Init UART and specify non-default parameters
    UART_Params_init(&params);
    params.baudRate      = 9600;
    params.writeDataMode = UART_DATA_BINARY;
    params.readMode      = UART_MODE_CALLBACK;
    params.readDataMode  = UART_DATA_BINARY;
    params.readCallback  = readCallback;
    // Open the UART and initiate the first read
    handle = UART_open(Board_UART, &params);
    wantedRxBytes = 16;
    int rxBytes = UART_read(handle, rxBuf, wantedRxBytes);
    while(true); // Wait forever
}