123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
#include "debug.h"
|
|
#include "usart.h"
|
|
void usart2_init(int baud)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure={0};
|
|
USART_InitTypeDef USART_InitStructure={0};
|
|
NVIC_InitTypeDef NVIC_InitStructure={0};
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA , ENABLE);
|
|
|
|
/* USART2 TX-->A.2 RX-->A.3 */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
|
|
|
|
USART_InitStructure.USART_BaudRate = baud;
|
|
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_Tx | USART_Mode_Rx;
|
|
|
|
USART_Init(USART2, &USART_InitStructure);
|
|
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
|
|
|
|
|
|
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
|
|
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
|
|
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
|
|
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
|
NVIC_Init(&NVIC_InitStructure);
|
|
|
|
|
|
USART_Cmd(USART2, ENABLE);
|
|
}
|
|
|
|
void uart6_init(int baud)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure={0};
|
|
USART_InitTypeDef USART_InitStructure={0};
|
|
NVIC_InitTypeDef NVIC_InitStructure={0};
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART6, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC , ENABLE);
|
|
|
|
/* UART6 TX-->C.0 RX-->C.1 */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
|
|
|
|
USART_InitStructure.USART_BaudRate = baud;
|
|
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_Tx | USART_Mode_Rx;
|
|
|
|
USART_Init(UART6, &USART_InitStructure);
|
|
USART_ITConfig(UART6, USART_IT_RXNE, ENABLE);
|
|
|
|
|
|
NVIC_InitStructure.NVIC_IRQChannel = UART6_IRQn;
|
|
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
|
|
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
|
|
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
|
NVIC_Init(&NVIC_InitStructure);
|
|
|
|
|
|
USART_Cmd(UART6, ENABLE);
|
|
}
|
|
|
|
|
|
void uart7_init(int baud)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure={0};
|
|
USART_InitTypeDef USART_InitStructure={0};
|
|
NVIC_InitTypeDef NVIC_InitStructure={0};
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART7, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC , ENABLE);
|
|
|
|
/* UART7 TX-->C.2 RX-->C.3 */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
|
|
|
|
USART_InitStructure.USART_BaudRate = baud;
|
|
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_Tx | USART_Mode_Rx;
|
|
|
|
USART_Init(UART7, &USART_InitStructure);
|
|
USART_ITConfig(UART7, USART_IT_RXNE, ENABLE);
|
|
|
|
|
|
NVIC_InitStructure.NVIC_IRQChannel = UART7_IRQn;
|
|
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
|
|
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
|
|
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
|
NVIC_Init(&NVIC_InitStructure);
|
|
|
|
|
|
USART_Cmd(UART7, ENABLE);
|
|
}
|