/**
* @brief Configure UART1 for the communication with HyperTerminal
* @param None
* @retval None
*/
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_NO,
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_RXNE_OR, ENABLE);
/* Enable UART */
UART1_Cmd(ENABLE);
/* Enable general interrupts */
// enableInterrupts();
}
/**********************************************
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 );
}
/*******************************************************************************
* 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)
{
/*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);
}
int main(void)
{
int i;
RCC_Configuration(); //?????????????
NVIC_Configuration();
LED_Config();
TIM7_Configuration(10) ;
RCC_Config();
ADC_initial();
UART1_Init();
UART1_Config(9600);
UART1_Cmd(ENABLE);
UART1_Write("stm start",9);
LCD_GLASS_Configure_GPIO();
LCD_GLASS_Init();
while (1)
{
int wdt=0;
int adc_wdt=0;
double adc=0;
//// solution 2 working String
i=0;
memcpy(buff2,buff, strlen(buff)); // ? buff ??? buff2
memset(buff, 0, strlen(buff)); // ?? buff ???????
while(1)
{
if(USART_GetFlagStatus(USART1,USART_FLAG_RXNE) != RESET)
{
char c = USART_ReceiveData(USART1);
i=i+1;
if(c == '\r')
break;
else
if (c == '\n')
break;
else
sprintf (buff, "%s%c", buff,c);
}else
{
wdt++;
adc_wdt++;
if(adc_wdt%100==0)
{
adc=(adc*99.0+GetADC())/100.0;
}
if(adc_wdt>10000)
{
adc_wdt=0;
LCDPrint(" %0.1f ",adc);
}
if(wdt==50)
{
wdt=0;
for(i=0;i<4;i++)
{
if(flag[i]==0)
{
LED[i]++;
if(LED[i]>300)
{
flag[i]=1;
}
}else
{
LED[i]--;
if(LED[i]==0)
{
flag[i]=0;
}
}
}
}
}
}
/* strcat(buff,"\n");
UART1_Write(buff, strlen(buff));
Lcd_print(buff);
*/ // UART1_Write(")",1);
USART_ClearFlag(USART1, USART_FLAG_RXNE);
}
}
