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升级测试
哪位大侠用过F103ZE的UART4或者5啊，总是调不通
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nuqililove
提问时间：2014-4-13 17:28 /
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发布时间：2014-4-13 17:28
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nuqililove
回答时间：2014-4-17 21:41:33
a0a.1 0b0c
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
？
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对上帝说不
回答时间：2014-4-18 08:56:19
a0a.1 0b0c
回复:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
还没有调通吗？反正我用F103RC串口1~5是全通的
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dlyt03
回答时间：2014-4-18 09:45:48
a0a.1 0b0c
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
换个例程调试看看
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zergl
回答时间：2014-4-18 10:35:57
a0a.1 0b0c
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
这是我目前使用的,5个口都用到,请参考.
/****************************************
* ÎļþÃû £ºusart.c
| PA9 - USART1(Tx) |
| PA10 - USART1(Rx) |
| PA2 - USART2(Tx) |
| PA3 - USART2(Rx) |
| PB10 - USART3(Tx) |
| PB11 - USART3(Rx) |
| PC10 - USART4(Tx) |
| PC11 - USART4(Rx) |
| PC12 - USART5(Tx) |
| PD2 - USART5(Rx) |
**********************************************************************************/
#include "usart.h"
#include "plc.h"
#include
#include
USART_InitTypeDef USART_InitStructure;
void GPIO_Tx_Usart1_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void GPIO_Tx_Usart2_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART2 Tx (PA.02) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void GPIO_Tx_Usart3_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART4 Tx (PB.10) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void GPIO_Tx_Usart4_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART4 Tx (PC.10) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void GPIO_Tx_Usart5_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART5 Tx (PC.12) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void USART_Config(void)
{
/* USART mode config */
USART_InitStructure.USART_BaudRate = 250000; //ÅäÖÃUSART1µÄ²¨ÌØÂÊ
USART_InitStructure.USART_WordLength = USART_WordLength_8b; //USART½ÓÊÕ»òÕß´«Êä8λÊý¾Ý
USART_InitStructure.USART_StopBits = USART_StopBits_1; //USART·¢Ë͵ÄֹͣλΪ1λ
USART_InitStructure.USART_Parity = USART_Parity_No ; //¶¨ÒåUSARTµÄÆæżУÑéλΪÎÞ
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; //¶¨ÒåUSARTµÄÓ²¼þÁ÷¿ØģʽµÄRTSºÍCTSʹÄÜ
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //ʹÄÜ·¢ËͺͽÓÊÕģʽ
}
/*
* º¯ÊýÃû£ºUART_NVIC_Configuration
* ÃèÊö £ºUARTÖжÏÓÅÏȼ¶ÅäÖÃ
*/
void Uart_NVIC_Configuration(USART_TypeDef* USARTx)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); //ÉèÖÃÓÅÏȼ¶·Ö×é
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //ÇÀÕ¼ÓÅÏȼ¶Îª×î¸ß0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //ÏìÓ¦ÓÅÏȼ¶Îª×î¸ß0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //ͨµÀʹÄÜ
switch (*(uint32_t*)&USARTx)
{
case USART1_BASE:
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case USART2_BASE:
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case USART3_BASE:
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case UART4_BASE:
NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case UART5_BASE:
NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
default:
break;
}
}
/*
* º¯ÊýÃû£ºUSART1_Config
* ÃèÊö £ºUSART1 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PA9 - USART1(Tx) |
| PA10 - USART1(Rx) |
*/
void USART1_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, ENABLE);
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_Tx_Usart1_Config(GPIO_Mode_AF_PP);
/* Configure USART1 Rx (PA.10) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_Config();
USART_Init(USART1, &USART_InitStructure);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
Uart_NVIC_Configuration(USART1);
}
/*
* º¯ÊýÃû£ºUSART2_Config
* ÃèÊö £ºUSART2 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PA2 - USART2(Tx) |
| PA3 - USART2(Rx) |
*/
void USART2_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART2 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
/* Configure USART2 Tx (PA.02) as alternate function push-pull */
GPIO_Tx_Usart2_Config(GPIO_Mode_AF_PP);
/* Configure USART2 Rx (PA.03) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_Config();
USART_Init(USART2, &USART_InitStructure);
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
USART_Cmd(USART2, ENABLE);
Uart_NVIC_Configuration(USART2);
}
/*
* º¯ÊýÃû£ºUSART3_Config
* ÃèÊö £ºUSART3 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PB10 - USART3(Tx) |
| PB11 - USART3(Rx) |
*/
void USART3_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART3 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
/* Configure USART2 Tx (PB.10) as alternate function push-pull */
GPIO_Tx_Usart3_Config(GPIO_Mode_AF_PP);
/* Configure USART2 Rx (PB.11) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
USART_Config();
USART_Init(USART3, &USART_InitStructure);
USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);
USART_Cmd(USART3, ENABLE);
Uart_NVIC_Configuration(USART3);
}
/*
* º¯ÊýÃû£ºUSART4_Config
* ÃèÊö £ºUSART4 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PC10 - USART4(Tx) |
| PC11 - USART4(Rx) |
*/
void USART4_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART4 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
/* Configure USART4 Tx (PC.10) as alternate function push-pull */
GPIO_Tx_Usart4_Config(GPIO_Mode_AF_PP);
/* Configure USART2 Rx (PC.11) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOC, &GPIO_InitStructure);
USART_Config();
USART_Init(UART4, &USART_InitStructure);
USART_ITConfig(UART4, USART_IT_RXNE, ENABLE);
USART_Cmd(UART4, ENABLE);
Uart_NVIC_Configuration(UART4);
}
/*
* º¯ÊýÃû£ºUSART5_Config
* ÃèÊö £ºUSART5 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PC12 - USART5(Tx) |
| PD2 - USART5(Rx) |
*/
void USART5_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART3 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
/* Configure USART5 Tx (PC.12) as alternate function push-pull */
GPIO_Tx_Usart5_Config(GPIO_Mode_AF_PP);
/* Configure USART5 Rx (PD.02) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOD, &GPIO_InitStructure);
USART_Config();
USART_Init(UART5, &USART_InitStructure);
USART_ITConfig(UART5, USART_IT_RXNE, ENABLE);
USART_Cmd(UART5, ENABLE);
Uart_NVIC_Configuration(UART5);
}
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wkuang
回答时间：2014-4-18 23:03:07
a0a.1 0b0c
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
建议直接配寄存器，用查询的方式，把需要配置的管教映射，时钟什么的通通重新配置一次。
中断的话等查询方式调试通过了再试试
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feiante-155820
回答时间：2014-4-19 23:51:41
a0a.1 0b0c
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
你的不通是什么意思呢？连上仿真器，看看能不能进入中断，是不能进入发送还是不能进入接收。
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fengye5340
回答时间：2014-4-20 10:38:40
a0a.1 0b0c
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
1、你发送0x55字符的时候不要使用总断实现，而是采用查询实现。
2、不要在串口接收中断接收字符后禁止接收中断。
3、把中断优先级都设置为0 0
再试一下，网上完善的例程或者官网例程很多，代码可以优化
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RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
回复:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
/****************************************
* ÎļþÃû £ºusart.c
| PA9 - USART1(Tx) |
| PA10 - USART1(Rx) |
| PA2 - USART2(Tx) |
| PA3 - USART2(Rx) |
| PB10 - USART3(Tx) |
| PB11 - USART3(Rx) |
| PC10 - USART4(Tx) |
| PC11 - USART4(Rx) |
| PC12 - USART5(Tx) |
| PD2 - USART5(Rx) |
**********************************************************************************/
#include "usart.h"
#include "plc.h"
#include
#include
USART_InitTypeDef USART_InitStructure;
void GPIO_Tx_Usart1_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void GPIO_Tx_Usart2_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART2 Tx (PA.02) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
void GPIO_Tx_Usart3_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART4 Tx (PB.10) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void GPIO_Tx_Usart4_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART4 Tx (PC.10) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void GPIO_Tx_Usart5_Config(GPIOMode_TypeDef GPIOMode)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure USART5 Tx (PC.12) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIOMode;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void USART_Config(void)
{
/* USART mode config */
USART_InitStructure.USART_BaudRate = 250000; //ÅäÖÃUSART1µÄ²¨ÌØÂÊ
USART_InitStructure.USART_WordLength = USART_WordLength_8b; //USART½ÓÊÕ»òÕß´«Êä8λÊý¾Ý
USART_InitStructure.USART_StopBits = USART_StopBits_1; //USART·¢Ë͵ÄֹͣλΪ1λ
USART_InitStructure.USART_Parity = USART_Parity_No ; //¶¨ÒåUSARTµÄÆæżУÑéλΪÎÞ
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; //¶¨ÒåUSARTµÄÓ²¼þÁ÷¿ØģʽµÄRTSºÍCTSʹÄÜ
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //ʹÄÜ·¢ËͺͽÓÊÕģʽ
}
/*
* º¯ÊýÃû£ºUART_NVIC_Configuration
* ÃèÊö £ºUARTÖжÏÓÅÏȼ¶ÅäÖÃ
*/
void Uart_NVIC_Configuration(USART_TypeDef* USARTx)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); //ÉèÖÃÓÅÏȼ¶·Ö×é
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //ÇÀÕ¼ÓÅÏȼ¶Îª×î¸ß0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //ÏìÓ¦ÓÅÏȼ¶Îª×î¸ß0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //ͨµÀʹÄÜ
switch (*(uint32_t*)&USARTx)
{
case USART1_BASE:
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case USART2_BASE:
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case USART3_BASE:
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case UART4_BASE:
NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
case UART5_BASE:
NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn;
NVIC_Init(&NVIC_InitStructure);
break;
default:
break;
}
}
/*
* º¯ÊýÃû£ºUSART1_Config
* ÃèÊö £ºUSART1 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PA9 - USART1(Tx) |
| PA10 - USART1(Rx) |
*/
void USART1_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, ENABLE);
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_Tx_Usart1_Config(GPIO_Mode_AF_PP);
/* Configure USART1 Rx (PA.10) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_Config();
USART_Init(USART1, &USART_InitStructure);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
Uart_NVIC_Configuration(USART1);
}
/*
* º¯ÊýÃû£ºUSART2_Config
* ÃèÊö £ºUSART2 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PA2 - USART2(Tx) |
| PA3 - USART2(Rx) |
*/
void USART2_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART2 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
/* Configure USART2 Tx (PA.02) as alternate function push-pull */
GPIO_Tx_Usart2_Config(GPIO_Mode_AF_PP);
/* Configure USART2 Rx (PA.03) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_Config();
USART_Init(USART2, &USART_InitStructure);
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
USART_Cmd(USART2, ENABLE);
Uart_NVIC_Configuration(USART2);
}
/*
* º¯ÊýÃû£ºUSART3_Config
* ÃèÊö £ºUSART3 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PB10 - USART3(Tx) |
| PB11 - USART3(Rx) |
*/
void USART3_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART3 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
/* Configure USART2 Tx (PB.10) as alternate function push-pull */
GPIO_Tx_Usart3_Config(GPIO_Mode_AF_PP);
/* Configure USART2 Rx (PB.11) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
USART_Config();
USART_Init(USART3, &USART_InitStructure);
USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);
USART_Cmd(USART3, ENABLE);
Uart_NVIC_Configuration(USART3);
}
/*
* º¯ÊýÃû£ºUSART4_Config
* ÃèÊö £ºUSART4 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PC10 - USART4(Tx) |
| PC11 - USART4(Rx) |
*/
void USART4_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART4 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
/* Configure USART4 Tx (PC.10) as alternate function push-pull */
GPIO_Tx_Usart4_Config(GPIO_Mode_AF_PP);
/* Configure USART2 Rx (PC.11) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOC, &GPIO_InitStructure);
USART_Config();
USART_Init(UART4, &USART_InitStructure);
USART_ITConfig(UART4, USART_IT_RXNE, ENABLE);
USART_Cmd(UART4, ENABLE);
Uart_NVIC_Configuration(UART4);
}
/*
* º¯ÊýÃû£ºUSART5_Config
* ÃèÊö £ºUSART5 GPIO ÅäÖÃ,¹¤×÷ģʽÅäÖÃ
| PC12 - USART5(Tx) |
| PD2 - USART5(Rx) |
*/
void USART5_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* config USART3 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
/* Configure USART5 Tx (PC.12) as alternate function push-pull */
GPIO_Tx_Usart5_Config(GPIO_Mode_AF_PP);
/* Configure USART5 Rx (PD.02) as input floating */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOD, &GPIO_InitStructure);
USART_Config();
USART_Init(UART5, &USART_InitStructure);
USART_ITConfig(UART5, USART_IT_RXNE, ENABLE);
USART_Cmd(UART5, ENABLE);
Uart_NVIC_Configuration(UART5);
}
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
中断的话等查询方式调试通过了再试试
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
RE:哪位大侠用过F103ZE的UART4或者5啊，总是调不通
2、不要在串口接收中断接收字符后禁止接收中断。
3、把中断优先级都设置为0 0
再试一下，网上完善的例程或者官网例程很多，代码可以优化