/*******************************************************************************
* 名称: UART1_SendByte
* 功能: UART1发送一个字节
* 形参: data -> 要发送的字节
* 返回: 无
* 说明: 无
******************************************************************************/
void UART1_SendByte(u8 data)
{
UART1_SendData8((unsigned char)data);
/* 等待传输结束 */
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
}
//发送字节
void Send(uint8_t dat)
{
//检查并等待发送寄存器是否为空
while(( UART1_GetFlagStatus(UART1_FLAG_TXE)==RESET));
//发送字节
UART1_SendData8(dat);
}
void uart_send_str (unsigned char *SendData)
{
uart_send=SendData;
uart_send_length=uart_send_length_bk ; // Enable USCI_A0 TX interrupt
UART1_SendData8(*uart_send);
UART1_ITConfig(UART1_IT_TC,ENABLE );
}
int main (void)
{
clk_init();
gpio_init();
write_data_to_eeprom(default);
read_data_from_eeprom();
uart_init(baudrate);
spi_init();
setup(); // configure the cc2500 in required format.
/* Enable general interrupts */
enableInterrupts();
UART1_SendData8('R');
UART1_SendData8('B');
while (1)
{
while(command_mode)
{
if(a.data_complete)
{
handle_uart_request(uart_rcv_buff);
write_data_to_eeprom(change);
read_data_from_eeprom();
a.data_complete = 0;
}
// else if(a.exit_command_mode)
// {
// break;
// }
}
if(a.data_received_from_RF)
{
a.data_received_from_RF = 0;
send_data_uart(Uart_send_buff);
}
else if(a.data_received_from_UART)
{
a.data_received_from_UART = 0;
send_data_rf(RF_send_buff);
}
}
}
__interrupt void UART1_TX_IRQHandler(void)
{
if(UART1->SR&BIT6)
{
if(--uart_send_length>0) UART1_SendData8(*(++uart_send));
else
{
UART1_ITConfig(UART1_IT_TC,DISABLE); // Disable USCI_A0 TX interrupt
uart_busy=0;
}
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
/*High speed internal clock prescaler: 1*/
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
/* UART1 configuration -------------------------------------------------------*/
/* UART1 configured as follow:
- Word Length = 8 Bits
- 1 Stop Bit
- No parity
- BaudRate = 9600 baud
- UART1 Clock enabled
- Polarity Low
- Phase Middle
- Last Bit enabled
- Receive and transmit enabled
*/
UART1_DeInit();
UART1_Init((uint32_t)9600, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO,
(UART1_SyncMode_TypeDef)(UART1_SYNCMODE_CLOCK_ENABLE | UART1_SYNCMODE_CPOL_LOW |UART1_SYNCMODE_CPHA_MIDDLE |UART1_SYNCMODE_LASTBIT_ENABLE),
UART1_MODE_TXRX_ENABLE);
UART1_Cmd(DISABLE);
/* SPI configuration */
SPI_DeInit();
/* Initialize SPI in Slave mode */
SPI_Init(SPI_FIRSTBIT_LSB, SPI_BAUDRATEPRESCALER_2, SPI_MODE_SLAVE, SPI_CLOCKPOLARITY_LOW,
SPI_CLOCKPHASE_1EDGE, SPI_DATADIRECTION_2LINES_FULLDUPLEX, SPI_NSS_SOFT,(uint8_t)0x07);
/* Enable the UART1*/
UART1_Cmd(ENABLE);
Delay(0xFFF);
/* Enable the SPI*/
SPI_Cmd(ENABLE);
while (NbrOfDataToRead--)
{
/* Wait until end of transmit */
while (SPI_GetFlagStatus(SPI_FLAG_TXE)== RESET)
{
}
/* Write one byte in the SPI Transmit Data Register */
SPI_SendData(TxBuffer2[TxCounter]);
/* Write one byte in the UART1 Transmit Data Register */
UART1_SendData8(TxBuffer1[TxCounter++]);
/* Wait until end of transmit */
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET)
{
}
/* Wait the byte is entirely received by UART1 */
while (UART1_GetFlagStatus(UART1_FLAG_RXNE) == RESET)
{
}
/* Store the received byte in the RxBuffer1 */
RxBuffer1[RxCounter] = UART1_ReceiveData8();
/* Wait the byte is entirely received by SPI */
while (SPI_GetFlagStatus(SPI_FLAG_RXNE) == RESET)
{
}
/* Store the received byte in the RxBuffer2 */
RxBuffer2[RxCounter++] = SPI_ReceiveData();
}
/* Check the received data with the sent ones */
TransferStatus1 = Buffercmp(TxBuffer1, RxBuffer2, TxBufferSize1);
/* TransferStatus = PASSED, if the data transmitted from UART1 and received by SPI are the same */
/* TransferStatus = FAILED, if the data transmitted from UART1 and received by SPI are different */
TransferStatus2 = Buffercmp(TxBuffer2, RxBuffer1, TxBufferSize2);
/* TransferStatus = PASSED, if the data transmitted from SPI and received by UART1 are the same */
/* TransferStatus = FAILED, if the data transmitted from SPI and received by UART11 are different */
while (1);
}
/**
* @brief Send Data.
* @param Data: Data.
* @retval None
*/
void UART1_SendByte(uint8_t Data)
{
UART1_SendData8((uint8_t)Data);
/* Loop until the end of transmission */
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
}
void Send(uint8_t dat)
{
while(( UART1_GetFlagStatus(UART1_FLAG_TXE)==RESET));
UART1_SendData8(dat);
}
/************************************************************************
* 函数名：UART1_printf
* 描述 ：格式化输出，类似于C库中的printf，但这里没有用到C库
* 输入 ：-UARTx 串口通道，这里只用到了串口1，即UART1
* -Data 要发送到串口的内容的指针
* -... 其他参数
* 输出 ：无
* 返回 ：无
* 调用 ：外部调用
* 典型应用 UART1_printf( "\r\n this is a demo \r\n" );
* UART1_printf( "\r\n %d \r\n", i );
* UART1_printf( "\r\n %s \r\n", j );
***************************************************************************/
void UART1_printf( uint8_t *Data,...)
{
const char *s;
int d;
char buf[16];
va_list ap;
va_start(ap, Data);
while ( *Data != 0) // 判断是否到达字符串结束符
{
if ( *Data == 0x5c ) //'\'
{
switch ( *++Data )
{
case 'r': //回车符
UART1_SendData8(0x0d);
Data ++;
break;
case 'n': //换行符
UART1_SendData8(0x0a);
Data ++;
break;
default:
Data ++;
break;
}
}
else if ( *Data == '%')
{ //
switch ( *++Data )
{
case 's': //字符串
s = va_arg(ap, const char *);
for ( ; *s; s++)
{
UART1_SendData8(*s);
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
}
Data++;
break;
case 'd': //十进制
d = va_arg(ap, int);
itoa(d, buf, 10);
for (s = buf; *s; s++)
{
UART1_SendData8(*s);
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
}
Data++;
break;
default:
Data++;
break;
}
} /* end of else if */
else UART1_SendData8(*Data++);
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
}
