/**
* @brief Configure UART1 for the communication with HyperTerminal
* @param None
* @retval None
*/
static void UART1_Config(void)
{
/* EVAL COM (UART) configuration -----------------------------------------*/
/* USART configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- Odd parity
- Receive and transmit enabled
- UART Clock disabled
*/
UART1_Init((uint32_t)115200, UART1_WORDLENGTH_8D,UART1_STOPBITS_1, UART1_PARITY_ODD,
UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
/* Enable the UART Receive interrupt: this interrupt is generated when the UART
receive data register is not empty */
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);
/* Enable the UART Transmit complete interrupt: this interrupt is generated
when the UART transmit Shift Register is empty */
UART1_ITConfig(UART1_IT_TXE, ENABLE);
/* Enable UART */
UART1_Cmd(ENABLE);
/* Enable general interrupts */
enableInterrupts();
}
/**
* @brief Example firmware main entry point.
* @par Parameters:
* None
* @retval
* None
*/
void main(void)
{
/*High speed internal clock prescaler: 1*/
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
/* Enable general interrupts */
enableInterrupts();
/* Deinitializes the UART1 and UART3 peripheral */
UART1_DeInit();
UART3_DeInit();
/* UART1 and UART3 configuration -------------------------------------------------*/
/* UART1 and UART3 configured as follow:
- BaudRate = 9600 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Receive and transmit enabled
- UART1 Clock disabled
*/
/* Configure the UART1 */
UART1_Init((u32)9600, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO, UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
/* Configure the UART3 */
UART3_Init((u32)9600, UART3_WORDLENGTH_8D, UART3_STOPBITS_1, UART3_PARITY_NO, UART3_MODE_TXRX_ENABLE);
/* Enable UART3 Receive and UART1 Transmit interrupt */
UART3_ITConfig(UART3_IT_RXNE_OR, ENABLE);
UART1_ITConfig(UART1_IT_TXE, ENABLE);
/* Wait until end of transmission from UART1 to UART3 */
while (GetVar_RxCounter2() < GetVar_NbrOfDataToTransfer1())
{
}
/* Enable UART1 Receive and UART3 Transmit interrupt */
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);
UART3_ITConfig(UART3_IT_TXE, ENABLE);
/* Wait until end of transmission from UART3 to UART1 */
while (GetVar_RxCounter1() < GetVar_NbrOfDataToTransfer2())
{
}
/* Check the received data with the send ones */
TransferStatus1 = Buffercmp(TxBuffer2, RxBuffer1, RxBufferSize1);
/* TransferStatus1 = PASSED, if the data transmitted from UART3 and
received by UART1 are the same */
/* TransferStatus1 = FAILED, if the data transmitted from UART3 and
received by UART1 are different */
TransferStatus2 = Buffercmp(TxBuffer1, RxBuffer2, RxBufferSize2);
/* TransferStatus2 = PASSED, if the data transmitted from UART1 and
received by UART3 are the same */
/* TransferStatus2 = FAILED, if the data transmitted from UART1 and
received by UART3 are different */
while (1);
}
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 );
}
void USART1_INIT(void)
{
// UART1_DeInit();
UART1_Init(9600, UART1_WORDLENGTH_8D, UART1_STOPBITS_1,UART1_PARITY_NO,UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE );
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);//UART1_IT_RXNE_OR
UART1->CR1 &= (uint8_t)(~UART1_CR1_UARTD);
// UART1_Cmd(ENABLE);
UART1_ClearFlag(UART1_FLAG_RXNE);
}
//串口UART1初始化
void Init_UART(void)
{
//默认初始化
UART1_DeInit();
//设置波特率9600 8位数据 1位停止位 无校验 外部时钟不可用 模式接收发送
UART1_Init((u32)9600, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO, UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
//设置接收寄存器溢出中断
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);
}
/**********************************************
UART1 configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Receive and transmit enabled
- Receive interrupt
- UART1 Clock disabled
*********************************************/
void Uart_Init(void)
{
UART1_DeInit();
UART1_Init((u32)9600, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, \
UART1_PARITY_NO , UART1_SYNCMODE_CLOCK_DISABLE , UART1_MODE_TXRX_ENABLE);
UART1_ITConfig(UART1_IT_RXNE_OR,ENABLE );
UART1_Cmd(ENABLE );
}
__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;
}
}
}
/*******************************************************************************
* 名称: Uart_Init
* 功能: UART1初始化操作
* 形参: 无
* 返回: 无
* 说明: 无
******************************************************************************/
void Uart1_Init(void)
{
UART1_DeInit(); /* 将寄存器的值复位 */
/*
* 将UART1配置为：
* 波特率 = 115200
* 数据位 = 8
* 1位停止位
* 无校验位
* 使能接收和发送
* 使能接收中断
*/
UART1_Init((u32)115200, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, \
UART1_PARITY_NO , UART1_SYNCMODE_CLOCK_DISABLE , UART1_MODE_TXRX_ENABLE);
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);
UART1_Cmd(ENABLE);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
uint32_t i = 0;
/* Configure the multiplexer on the evalboard to select the smartCard*/
Multiplexer_EvalBoard_Config();
/* Configure the GPIO ports */
GPIO_Config();
/*High speed internal clock prescaler: 1*/
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
/* Enable general interrupts */
enableInterrupts();
UART1_DeInit();
/* UART1 configuration -------------------------------------------------------*/
/* UART1 configured as follow:
- Word Length = 9 Bits
- 1.5 Stop Bit
- Even parity
- BaudRate = 10752 baud
- Receive and transmit enabled
- UART1 Clock enabled
*/
UART1_Init((uint32_t)10752, UART1_WORDLENGTH_9D, UART1_STOPBITS_1_5, UART1_PARITY_EVEN,
UART1_SYNCMODE_CLOCK_ENABLE, UART1_MODE_TXRX_ENABLE);
/* UART1 Clock set to 4MHz (frequence master 16 MHZ / 4) */
UART1_SetPrescaler(0x02);
/* UART1 Guard Time set to Bit */
UART1_SetGuardTime(0x2);
/* Enable the UART1 Parity Error Interrupt */
UART1_ITConfig(UART1_IT_PE, ENABLE);
/* Enable the NACK Transmission */
UART1_SmartCardNACKCmd(ENABLE);
/* Enable the Smart Card Interface */
UART1_SmartCardCmd(ENABLE);
/* Loop while no smart card is detected */
while ((GPIO_ReadInputData(GPIOE)& 0x01) == 0x00)
{
}
/* PG7 - SmartCard_/CMDVCC: low */
GPIO_WriteLow(GPIOG, GPIO_PIN_7);
/* release SmartCard_RESET signal */
GPIO_WriteLow(GPIOG, GPIO_PIN_5);
for (i = 0; i < 6000; i++)
{
}
/* set SmartCard_RESET signal */
GPIO_WriteHigh(GPIOG, GPIO_PIN_5);
/* Read Smart Card ATR response */
for (index = 0; index < 40; index++)
{
Counter = 0;
while ((UART1_GetFlagStatus(UART1_FLAG_RXNE) == RESET) && (Counter != SC_Receive_Timeout))
{
Counter++;
}
if (Counter != SC_Receive_Timeout)
{
DST_Buffer[index] = UART1_ReceiveData8();
}
}
/* Decode ATR */
CardProtocol = SC_decode_Answer2reset(DST_Buffer);
/* Test if the inserted card is ISO7816-3 T=0 compatible */
if (CardProtocol == 0)
{
/* Inserted card is ISO7816-3 T=0 compatible */
ATRDecodeStatus = PASSED;
}
else
{
/* Inserted smart card is not ISO7816-3 T=0 compatible */
ATRDecodeStatus = FAILED;
}
while (1)
{}
}