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Communication.c
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#include "Communication.h"
unsigned char rx4_buf[RX4_SIZE];
unsigned int rx4_tail=0;
#define BUFFER_SIZE 10
unsigned char aDST_Buffer[BUFFER_SIZE]= {'1','2','3','4','5','6','7','8'};
void USART6_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART6_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
/* Enable UART clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART6, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource6, GPIO_AF_USART6);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_USART6);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* USARTx configured as follows:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 14400;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART6, &USART_InitStructure);
/* Enable USART */
USART_Cmd(USART6, ENABLE);
USART_ITConfig(USART6,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(USART6,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(USART6, USART_FLAG_TC);
}
void UART5_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Enable UART clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_UART5);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_UART5);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* USARTx configured as follows:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(UART5, &USART_InitStructure);
/* Enable USART */
USART_Cmd(UART5, ENABLE);
USART_ITConfig(UART5,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(UART5,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(UART5, USART_FLAG_TC);
}
void UART4_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÅäÖÃÓÅÏȼ¶×é
NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
/* Enable UART clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_UART4);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_UART4);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* USARTx configured as follows:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(UART4, &USART_InitStructure);
/* Enable USART */
USART_Cmd(UART4, ENABLE);
USART_ITConfig(UART4,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(UART4,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(UART4, USART_FLAG_TC);
}
void USART4_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÅäÖÃÓÅÏȼ¶×é
NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
/* Enable UART clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_UART4);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_UART4);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_Init(GPIOC, &GPIO_InitStructure);
DMA_InitTypeDef DMA_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
DMA_DeInit(DMA1_Stream2);
DMA_InitStructure.DMA_Channel = DMA_Channel_4;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&UART4->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)rx4_buf;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = (uint32_t)RX4_SIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA1_Stream2, &DMA_InitStructure);
DMA_Cmd(DMA1_Stream2, ENABLE);
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(UART4, &USART_InitStructure);
/* Enable USART */
USART_Cmd(UART4, ENABLE);
USART_ITConfig(UART4,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(UART4,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(UART4, USART_FLAG_TC);
USART_DMACmd(UART4, USART_DMAReq_Rx, ENABLE);
}
void USART3_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* Enable UART clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOB, GPIO_PinSource10, GPIO_AF_USART3);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOB, GPIO_PinSource11, GPIO_AF_USART3);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_Init(GPIOB, &GPIO_InitStructure);
//USART_OverSampling8Cmd(USART3,DISABLE);
//USART_OverSampling8Cmd(USART3,ENABLE);
/* USARTx configured as follows:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART3, &USART_InitStructure);
/* Enable USART */
USART_Cmd(USART3, ENABLE);
USART_ITConfig(USART3,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(USART3,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(USART3, USART_FLAG_TC);
// USART_DMACmd(USART3, USART_DMAReq_Tx, ENABLE);
//
//
// DMA_InitTypeDef DMA_InitStructure;
//
// /* Enable DMA clock */
// RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
//
// /* Reset DMA Stream registers (for debug purpose) */
// DMA_DeInit(DMA1_Stream3);
//
// /* Configure DMA Stream */
// DMA_InitStructure.DMA_Channel = DMA_Channel_4;
// DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&USART3->DR);
// DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)aDST_Buffer;
// DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
// DMA_InitStructure.DMA_BufferSize = (uint32_t)BUFFER_SIZE;
// DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
// DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
// DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
// DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
// DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
// DMA_InitStructure.DMA_Priority = DMA_Priority_High;
// DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
// DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
// DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
// DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
// DMA_Init(DMA1_Stream3, &DMA_InitStructure);
//
// DMA_ClearFlag(DMA1_Stream3,DMA_FLAG_TCIF3);
//
// /* Enable DMA Stream Transfer Complete interrupt */
// //DMA_ITConfig(DMA1_Stream6, DMA_IT_TC, ENABLE);
//
// /* DMA Stream disable */
// DMA_Cmd(DMA1_Stream3, DISABLE);
}
void USART2_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Enable UART clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOD, GPIO_PinSource5, GPIO_AF_USART2);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOD, GPIO_PinSource6, GPIO_AF_USART2);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* USARTx configured as follows:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART2, &USART_InitStructure);
/* Enable USART */
USART_Cmd(USART2, ENABLE);
USART_ITConfig(USART2,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(USART2,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(USART2, USART_FLAG_TC);
// USART_DMACmd(USART2, USART_DMAReq_Tx, ENABLE);
//
//
// DMA_InitTypeDef DMA_InitStructure;
//
// /* Enable DMA clock */
// RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
//
// /* Reset DMA Stream registers (for debug purpose) */
// DMA_DeInit(DMA1_Stream6);
//
// /* Configure DMA Stream */
// DMA_InitStructure.DMA_Channel = DMA_Channel_4;
// DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&USART2->DR);
// DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)aDST_Buffer;
// DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
// DMA_InitStructure.DMA_BufferSize = (uint32_t)BUFFER_SIZE;
// DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
// DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
// DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
// DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
// DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
// DMA_InitStructure.DMA_Priority = DMA_Priority_High;
// DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
// DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
// DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
// DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
// DMA_Init(DMA1_Stream6, &DMA_InitStructure);
//
// DMA_ClearFlag(DMA1_Stream6,DMA_FLAG_TCIF6);
//
// /* Enable DMA Stream Transfer Complete interrupt */
// //DMA_ITConfig(DMA1_Stream6, DMA_IT_TC, ENABLE);
//
// /* DMA Stream disable */
// DMA_Cmd(DMA1_Stream6, DISABLE);
}
void USART1_Config(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÅäÖÃÓÅÏȼ¶×é
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIO clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* Enable UART clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
/* Connect PXx to USARTx_Tx*/
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_USART1);
/* Connect PXx to USARTx_Rx*/
GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_USART1);
/* Configure USART Tx as alternate function */
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* USARTx configured as follows:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
/* Enable USART */
USART_Cmd(USART1, ENABLE);
USART_ITConfig(USART1,USART_IT_TXE,DISABLE);//close start send interrupt
USART_ITConfig(USART1,USART_IT_TC,DISABLE);//close send end interrupt
USART_ClearFlag(USART1, USART_FLAG_TC);
// USART_DMACmd(USART1, USART_DMAReq_Tx, ENABLE);
//
//
// DMA_InitTypeDef DMA_InitStructure;
//
// /* Enable DMA clock */
// RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
//
// /* Reset DMA Stream registers (for debug purpose) */
// DMA_DeInit(DMA2_Stream7);
//
// /* Configure DMA Stream */
// DMA_InitStructure.DMA_Channel = DMA_Channel_4;
// DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&USART1->DR);
// DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)aDST_Buffer;
// DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
// DMA_InitStructure.DMA_BufferSize = (uint32_t)BUFFER_SIZE;
// DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
// DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
// DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
// DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
// DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
// DMA_InitStructure.DMA_Priority = DMA_Priority_High;
// DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
// DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
// DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
// DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
// DMA_Init(DMA2_Stream7, &DMA_InitStructure);
//
// DMA_ClearFlag(DMA2_Stream7,DMA_FLAG_TCIF7);
//
// /* Enable DMA Stream Transfer Complete interrupt */
// //DMA_ITConfig(DMA2_Stream7, DMA_IT_TC, ENABLE);
//
// /* DMA Stream disable */
// DMA_Cmd(DMA2_Stream7, DISABLE);
}
void SendData(void)
{
if(DMA_GetFlagStatus(DMA2_Stream7,DMA_FLAG_TCIF7)!= RESET)
{
DMA_ClearFlag(DMA2_Stream7,DMA_FLAG_TCIF7);
DMA_Cmd(DMA2_Stream7, DISABLE);
}
// aDST_Buffer[0]++;
// if(aDST_Buffer[0]>'9')
// aDST_Buffer[0]='0';
//
// aDST_Buffer[7]--;
// if(aDST_Buffer[7]<'0')
// aDST_Buffer[7]='9';
DMA_Cmd(DMA2_Stream7, ENABLE);
}
void SendData2(void)
{
if(DMA_GetFlagStatus(DMA1_Stream6,DMA_FLAG_TCIF6)!= RESET)
{
DMA_ClearFlag(DMA1_Stream6,DMA_FLAG_TCIF6);
DMA_Cmd(DMA1_Stream6, DISABLE);
}
// aDST_Buffer[0]++;
// if(aDST_Buffer[0]>'9')
// aDST_Buffer[0]='0';
//
// aDST_Buffer[7]--;
// if(aDST_Buffer[7]<'0')
// aDST_Buffer[7]='9';
DMA_Cmd(DMA1_Stream6, ENABLE);
}
void SendData3(void)
{
if(DMA_GetFlagStatus(DMA1_Stream3,DMA_FLAG_TCIF3)!= RESET)
{
DMA_ClearFlag(DMA1_Stream3,DMA_FLAG_TCIF3);
DMA_Cmd(DMA1_Stream3, DISABLE);
}
aDST_Buffer[0]=0xA0;
aDST_Buffer[1]=0x01;
aDST_Buffer[2]=0x50;
aDST_Buffer[3]=0x00;
aDST_Buffer[4]=0x00;
aDST_Buffer[5]=0x00;
aDST_Buffer[6]=0x00;
aDST_Buffer[7]=0x00;
aDST_Buffer[8]=0x00;
aDST_Buffer[9]=0xF1;
// aDST_Buffer[0]++;
// if(aDST_Buffer[0]>'9')
// aDST_Buffer[0]='0';
//
// aDST_Buffer[7]--;
// if(aDST_Buffer[7]<'0')
// aDST_Buffer[7]='9';
DMA_Cmd(DMA1_Stream3, ENABLE);
}
/************************ (C) COPYRIGHT KIKTechRobotics *****END OF FILE****/