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11.6：完善多任务和消息队列机制。

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WYR2019_ProjectAdmin
2025-11-06 16:32:17 +08:00
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30
STM32/Environment_Node/System/CRC32.c Normal file
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#include "CRC32.h"
/* stm32 crc外设调用程序 */
void vCrcInit(void)
{
/* 使能时钟 */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE);
/* 复位CRC */
CRC_ResetDR();
}
/**
* @brief 计算32位数据的CRC
* @param data: 32位数据数组
* @param ulLength: 数据长度（32位字的个数）
* @retval CRC计算结果
*/
uint32_t vCalculateCrc32bit(uint32_t *pulData, uint32_t ulLength)
{
uint32_t ulCrcValue = 0;
// uint32_t ulI = 0;
// /* 逐字计算CRC */
// for(ulI = 0; ulI < ululLength; ulI++)
// {
// CRC_CalcBlockCRC(pulData[ulI]);
// }
/* 获取CRC结果 */
ulCrcValue = CRC_CalcBlockCRC(pulData, ulLength);
return ulCrcValue;
}

9
STM32/Environment_Node/System/CRC32.h Normal file
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#ifndef __CRC_H__
#define __CRC_H__
#include "stm32f10x.h" // Device header
void vCrcInit(void);
uint32_t vCalculateCrc32bit(uint32_t *pulData, uint32_t ulLength);
#endif

130
STM32/Environment_Node/System/Delay.c Normal file
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#include "Delay.h"
#if MODE == USE_SYS_TICK
//<2F><>ʼ<EFBFBD><CABC><EFBFBD>ӳٺ<D3B3><D9BA><EFBFBD>
//SYSTICK<43><4B>ʱ<EFBFBD>ӹ̶<D3B9>ΪAHBʱ<42>ӵ<EFBFBD>1/8
//SYSCLK:ϵͳʱ<CDB3><CAB1>Ƶ<EFBFBD><C6B5>
void vDelayInit(void)
{
uint8_t ucSYSCLK;
SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK_Div8);
xUcFacInit.ucFacUs=ucSYSCLK/8;
xUcFacInit.usFacMs=(uint16_t)xUcFacInit.ucFacUs*1000;
}
//<2F><>ʱnus
//nusΪҪ<CEAA><D2AA>ʱ<EFBFBD><CAB1>us<75><73>.
void vDelayUs(uint32_t ulNus)
{
uint32_t ulTemp;
SysTick->LOAD=ulNus*xUcFacInit.ucFacUs; //ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SysTick->VAL=0x00; //<2F><><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD>
SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk ; //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
do
{
ulTemp=SysTick->CTRL;
} while((ulTemp&0x01)&&!(ulTemp&(1<<16))); //<2F>ȴ<EFBFBD>ʱ<EFBFBD>䵽<EFBFBD><E4B5BD>
SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk; //<2F>رռ<D8B1><D5BC><EFBFBD><EFBFBD><EFBFBD>
SysTick->VAL =0X00; //<2F><><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD>
}
//<2F><>ʱnms
//ע<><D7A2>nms<6D>ķ<EFBFBD>Χ
//SysTick->LOADΪ24λ<34>Ĵ<EFBFBD><C4B4><EFBFBD>,<2C><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱΪ:
//nms<=0xffffff*8*1000/SYSCLK
//SYSCLK<4C><4B>λΪHz,nms<6D><73>λΪms
//<2F><>72M<32><4D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,nms<=1864
/**
* @brief <20><><EFBFBD>뼶<EFBFBD><EBBCB6>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
* @note <20><><EFBFBD><EFBFBD>Systick<63><6B>ʱ<EFBFBD><CAB1>Ϊ24λ<34><CEBB>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>ֵΪ0xFFFFFF<46><46>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>16777215<31><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>0xFFFFFF<46><46><EFBFBD><EFBFBD>ʵ<EFBFBD>ʼ<EFBFBD><CABC>ص<EFBFBD>ֵ<EFBFBD><D6B5>ȡģ<C8A1><C4A3><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<CAB1><CAB1><EFBFBD><EFBFBD><EFBFBD>̡<EFBFBD>
* <20><><EFBFBD>Գ<EFBFBD><D4B3><EFBFBD>1.864s<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ᵼ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱΪxms-16777215<31>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
* @note <20><><EFBFBD>º<EFBFBD><C2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>ʱ<EFBFBD>Ƿ񳬹<C7B7><F1B3ACB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳɶ<D6B3><C9B6><EFBFBD>1000ms<6D><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param None
* @retval None
*/
void vDelayMs(uint16_t usNms)
{
uint32_t ulTemp;
while (usNms)
{
uint16_t current = (usNms > 1000) ? 1000 : usNms;
usNms -= current;
SysTick->LOAD = (uint32_t)current * xUcFacInit.usFacMs;
SysTick->VAL = 0x00;
SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
do
{
ulTemp = SysTick->CTRL;
} while ((ulTemp & 0x01) && !(ulTemp & (1 << 16)));
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
SysTick->VAL = 0X00;
}
}
#elif MODE == USE_DWT
void vDelayInit(void)
{
//ʹ<><CAB9>DWT<57><54><EFBFBD><EFBFBD>
DEMCR |= (uint32_t)TRCENA;
//DWT CYCCNT<4E>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0
DWT_CYCCNT = (uint32_t)0u;
//ʹ<><CAB9>Cortex-M3 DWT CYCCNT<4E>Ĵ<EFBFBD><C4B4><EFBFBD>
DWT_CTRL |= (uint32_t)DWT_CTRL_CYCCNTENA;
}
// ΢<><CEA2><EFBFBD><EFBFBD>ʱ
void vDelayUs(uint32_t ulNus)
{
if(ulNus > 10000) ulNus = 10000;
uint32_t ulTicksStart, ulTicksEnd, ulTicksDelay;
ulTicksStart = DWT_CYCCNT;
ulTicksDelay = ( ulNus * ( SystemCoreClock / (1000000) ) ); // <20><>΢<EFBFBD><CEA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɵδ<C9B5><CEB4><EFBFBD>
ulTicksEnd = ulTicksStart + ulTicksDelay;
// ulTicksEndû<64><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if ( ulTicksEnd >= ulTicksStart )
{
// DWT_CYCCNT<4E><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(DWT_CYCCNT > ulTicksStart)
{
while( DWT_CYCCNT < ulTicksEnd );
}
// DWT_CYCCNT<4E><54><EFBFBD><EFBFBD>
else
{
// <20>Ѿ<EFBFBD><D1BE><EFBFBD>ʱ<EFBFBD><CAB1>ֱ<EFBFBD><D6B1><EFBFBD>˳<EFBFBD>
return;
}
}
else // ulTicksEnd<6E><64><EFBFBD><EFBFBD>
{
// DWT_CYCCNT<4E><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(DWT_CYCCNT > ulTicksStart)
{
// <20>ȴ<EFBFBD>DWT_CYCCNT<4E><54>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>
while( DWT_CYCCNT > ulTicksEnd );
}
// <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DWT_CYCCNT<4E><54><EFBFBD><EFBFBD>ulTicksEnd
while( DWT_CYCCNT < ulTicksEnd );
}
}
void vDelayMs(uint16_t usNms)
{
for(uint16_t i = 0; i < usNms; i++)
{
// delay 1 ms
vDelayUs(1000);
}
}
#else
#endif

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STM32/Environment_Node/System/Delay.h Normal file
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#ifndef __DELAY_H__
#define __DELAY_H__
#include "stm32f10x_conf.h"
#include "stm32f10x.h"
#define MODE USE_DWT
#define USE_SYS_TICK 0
#define USE_DWT 1
// 0xE000EDFC DEMCR RW Debug Exception and Monitor Control Register.
#define DEMCR ( *(__IO uint32_t *)0xE000EDFC )
#define TRCENA ( 0x01 << 24) // DEMCR的DWT使能位
#define DBGMCU_CR *(__IO uint32_t *)0xE0042004 //MCU调试模块控制寄存器，详细内容参考《stm32中文参考手册》调试支持（DBG）章节，747页
// 0xE0001000 DWT_CTRL RW The Debug Watchpoint and Trace (DWT) unit
#define DWT_CTRL ( *(__IO uint32_t *)0xE0001000 )
#define DWT_CTRL_CYCCNTENA ( 0x01 << 0 ) // DWT的SYCCNT使能位
// 0xE0001004 DWT_CYCCNT RW Cycle Count register,
#define DWT_CYCCNT ( *(__IO uint32_t *)0xE0001004) // 显示或设置处理器的周期计数值
//#define DWT_DELAY_mS(mSec) DWT_DELAY_uS(mSec*1000)
typedef struct {
uint8_t ucFacUs;
int16_t usFacMs;
} UcFacInit_t;
static UcFacInit_t xUcFacInit = {
.ucFacUs = 0,
.usFacMs = 0
};
void vDelayInit(void);
void vDelayUs(uint32_t ulNus);
void vDelayMs(uint16_t usNms);
#endif

64
STM32/Environment_Node/System/SysTick.c Normal file
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#include "SysTick.h"
#if SYSTEM == SYSTEM_NONE
//<2F><>ʼ<EFBFBD><CABC><EFBFBD>ӳٺ<D3B3><D9BA><EFBFBD>
//SYSTICK<43><4B>ʱ<EFBFBD>ӹ̶<D3B9>ΪAHBʱ<42>ӵ<EFBFBD>1/8
//SYSCLK:ϵͳʱ<CDB3><CAB1>Ƶ<EFBFBD><C6B5>
void vSysTickInit(uint8_t ucSYSCLK)
{
SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK_Div8);
xUcFacInit.ucFacUs=ucSYSCLK/8;
xUcFacInit.usFacMs=(uint16_t)xUcFacInit.ucFacUs*1000;
}
//<2F><>ʱnus
//nusΪҪ<CEAA><D2AA>ʱ<EFBFBD><CAB1>us<75><73>.
void vDelayUs(uint32_t ulNus)
{
uint32_t ulTemp;
SysTick->LOAD=ulNus*xUcFacInit.ucFacUs; //ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SysTick->VAL=0x00; //<2F><><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD>
SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk ; //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
do
{
ulTemp=SysTick->CTRL;
} while((ulTemp&0x01)&&!(ulTemp&(1<<16))); //<2F>ȴ<EFBFBD>ʱ<EFBFBD>䵽<EFBFBD><E4B5BD>
SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk; //<2F>رռ<D8B1><D5BC><EFBFBD><EFBFBD><EFBFBD>
SysTick->VAL =0X00; //<2F><><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD>
}
//<2F><>ʱnms
//ע<><D7A2>nms<6D>ķ<EFBFBD>Χ
//SysTick->LOADΪ24λ<34>Ĵ<EFBFBD><C4B4><EFBFBD>,<2C><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱΪ:
//nms<=0xffffff*8*1000/SYSCLK
//SYSCLK<4C><4B>λΪHz,nms<6D><73>λΪms
//<2F><>72M<32><4D><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,nms<=1864
/**
* @brief <20><><EFBFBD>뼶<EFBFBD><EBBCB6>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
* @note <20><><EFBFBD><EFBFBD>Systick<63><6B>ʱ<EFBFBD><CAB1>Ϊ24λ<34><CEBB>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>ֵΪ0xFFFFFF<46><46>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>16777215<31><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>0xFFFFFF<46><46><EFBFBD><EFBFBD>ʵ<EFBFBD>ʼ<EFBFBD><CABC>ص<EFBFBD>ֵ<EFBFBD><D6B5>ȡģ<C8A1><C4A3><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<CAB1><CAB1><EFBFBD><EFBFBD><EFBFBD>̡<EFBFBD>
* <20><><EFBFBD>Գ<EFBFBD><D4B3><EFBFBD>1.864s<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ᵼ<EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱΪxms-16777215<31>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
* @note <20><><EFBFBD>º<EFBFBD><C2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>ʱ<EFBFBD>Ƿ񳬹<C7B7><F1B3ACB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳɶ<D6B3><C9B6><EFBFBD>1000ms<6D><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param None
* @retval None
*/
void vDelayMs(uint16_t usNms)
{
uint32_t ulTemp;
while (usNms)
{
uint16_t current = (usNms > 1000) ? 1000 : usNms;
usNms -= current;
SysTick->LOAD = (uint32_t)current * xUcFacInit.usFacMs;
SysTick->VAL = 0x00;
SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
do
{
ulTemp = SysTick->CTRL;
} while ((ulTemp & 0x01) && !(ulTemp & (1 << 16)));
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
SysTick->VAL = 0X00;
}
}
#endif

28
STM32/Environment_Node/System/SysTick.h Normal file
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#ifndef __SysTick_H__
#define __SysTick_H__
#include "stm32f10x.h" // Device header
#define SYSTEM SYSTEM_FREERTOS
#define SYSTEM_NONE 0
#define SYSTEM_FREERTOS 1
#define SYSTEM_UCOSII 2
#define SYSTEM_UCOSIII 3
#define SYSTEM_RT_THREAD 4
#define SYSTEM_AZURE_RTOS 5
typedef struct {
uint8_t ucFacUs;
int16_t usFacMs;
} UcFacInit_t;
static UcFacInit_t xUcFacInit = {
.ucFacUs = 0,
.usFacMs = 0
};
void vSysTickInit(uint8_t ucSYSCLK);
void vDelayUs(uint32_t ulNus);
void vDelayMs(uint16_t usNms);
#endif

139
STM32/Environment_Node/System/USART3.c Normal file
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#include "USART3.h"
/**
* @brief LoRa<52>ij<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @note ʹ<><CAB9>USART3<54><33><EFBFBD>ڣ<EFBFBD>PB10->LoRa_RX<52><58>PB11->LoRa_TX<54><58><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ115200<30><30>
* @param ulUsart3Baudrate
* @retval None
*/
void vUsart3Init(uint32_t ulUsart3Baudrate)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = USART3_GPIO_PIN_TX;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = USART3_GPIO_PIN_RX;
GPIO_Init(GPIOB, &GPIO_InitStructure);
USART_InitTypeDef USART_InitStructure;
USART_InitStructure.USART_BaudRate = ulUsart3Baudrate; // <20>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD>USART_Init<69><74><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>9600<30><30>Ӧ<EFBFBD>ķ<EFBFBD>Ƶϵ<C6B5><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>BRR<52>Ĵ<EFBFBD><C4B4><EFBFBD>
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE);
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; // Ӳ<><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART_InitStructure.USART_Mode = USART_Mode_Tx|USART_Mode_Rx; // <20><><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ţ<EFBFBD><C5A3><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3>ͽ<EFBFBD><CDBD><EFBFBD>ģʽ
USART_InitStructure.USART_Parity = USART_Parity_No; // <20><>У<EFBFBD><D0A3>λ
USART_InitStructure.USART_StopBits = USART_StopBits_1; // һλֹͣλ
USART_InitStructure.USART_WordLength = USART_WordLength_8b; // <20>ֳ<EFBFBD><D6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҪУ<D2AA>飬<EFBFBD>ֳ<EFBFBD><D6B3><EFBFBD>ѡ<EFBFBD><D1A1>8λ
USART_Init(USART3,&USART_InitStructure);
// <20><><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><C7B4>ڵIJ<DAB5>ѯģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD>жϣ<D0B6><CFA3><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>жϣ<D0B6><CFA3><EFBFBD><EFBFBD><EFBFBD>NVIC
USART_ITConfig(USART3,USART_IT_RXNE,ENABLE); // ѡ<><D1A1>RXNE<4E><45><EFBFBD>ж<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RXNE<4E><45>־λ<D6BE><CEBB>NVIC<49><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RXNE<4E><45>־λ<D6BE><CEBB>1<EFBFBD><31><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD>NVIC<49><43><EFBFBD><EFBFBD><EFBFBD>жϣ<D0B6>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϺ<D0B6><CFBA><EFBFBD><EFBFBD>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4); // <20><><EFBFBD>飬<EFBFBD><E9A3AC><EFBFBD><EFBFBD>4Ϊ4bit<69><74>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD>0bit<69><74>Ӧ<EFBFBD><D3A6><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0-15<31><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FreeRTOSû<53><C3BB><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD>൱<EFBFBD><E0B5B1>4λ<34><CEBB>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD>0λ<30><CEBB>Ӧ<EFBFBD><D3A6><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD>
NVIC_InitTypeDef NVIC_InitStructure; // <20><>ʼ<EFBFBD><CABC>NVIC<49><43>USART1ͨ<31><CDA8>
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn; // <20>ж<EFBFBD>ͨ<EFBFBD><CDA8>
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 5; // <20><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD>FreeRTOS<4F><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3>ڷ<EFBFBD>Χ<EFBFBD>ڿ<EFBFBD><DABF>Ե<EFBFBD><D4B5><EFBFBD>FreeRTOS<4F><53><EFBFBD>ԡ<EFBFBD>FromISR()<29><><EFBFBD><EFBFBD>β<EFBFBD><CEB2>api<70><69><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; // <20><>Ӧ<EFBFBD><D3A6><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD>ã<EFBFBD><C3A3>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD>
NVIC_Init(&NVIC_InitStructure); // ָ<><D6B8>NVIC_InitStructure<72>ĵ<EFBFBD>ַ
USART_Cmd(USART3,ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = USART3_GPIO_PIN_ATK_MD0;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = USART3_GPIO_PIN_ATK_AUX;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
/**
* @brief <20><><EFBFBD>ڷ<EFBFBD><DAB7>͵<EFBFBD><CDB5><EFBFBD><EFBFBD>ֽں<D6BD><DABA><EFBFBD>
* @note <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϳ<EFBFBD><CDBF>Դ<EFBFBD>TX<54><58><EFBFBD>ŷ<EFBFBD><C5B7><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ݡ<EFBFBD>
* @param ucByte
* @retval None
*/
void vUsart3SendByte(uint8_t ucByte)
{
USART_SendData(USART3, ucByte); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Byte<74><65>д<EFBFBD><D0B4>TDR<44>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>
// д<><D0B4>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ȴ<EFBFBD>һ<EFBFBD>£<EFBFBD><C2A3><EFBFBD>TDR<44><52><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>λ<EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD>TDR<44>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD>ݾͻ<DDBE><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><DDB8>ǣ<EFBFBD><C7A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ȴ<EFBFBD>һ<EFBFBD>±<EFBFBD>־λ
while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD>ձ<EFBFBD>־λ<D6BE><CEBB><EFBFBD>ȴ<EFBFBD>TXE<58><45>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>һ<EFBFBD><D2BB>whileѭ<65><D1AD> TXE:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD>գ<EFBFBD><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ<D6BE>Զ<EFBFBD><D4B6><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><D6B6><EFBFBD>λ<EFBFBD><CEBB>
}
/**
* @brief <20><><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>麯<EFBFBD><E9BAAF>
* @note һ<><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>16<31><36><EFBFBD><EFBFBD>ģʽ<C4A3>¡<EFBFBD>
* @note uint8_t<5F><74>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޷<EFBFBD><DEB7>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD>һ<EFBFBD><D2BB>Length<74><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param *pucArray<61><79>usLength
* @retval None
*/
void vUsart3SendArray(uint8_t *pucArray, uint16_t usLength)
{
for(uint16_t i = 0; i < usLength; i ++) // forѭ<72><D1AD>ִ<EFBFBD><D6B4>Length<74>Σ<EFBFBD><CEA3><EFBFBD><EFBFBD>Զ<EFBFBD>Array<61><79><EFBFBD>ݽ<EFBFBD><DDBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鲻Ҫ<E9B2BB><D2AA><EFBFBD><EFBFBD>uint16_t<5F>ķ<EFBFBD>Χ<EFBFBD><CEA7><EFBFBD><EFBFBD>
{
vUsart3SendByte(pucArray[i]); // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Array<61><79>ÿһ<C3BF><D2BB>
}
}
/**
* @brief <20><><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @note <20><><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD><D7B0>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鳤<EFBFBD><E9B3A4>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD>⵽<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ĩβ<C4A9><CEB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3>Ȳ<EFBFBD><C8B2>ɴ<EFBFBD><C9B4><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>͡<EFBFBD>
* @param *pcString
* @retval None
*/
void vUsart3SendString(char *pcString) // <20><>uint8_t *Ҳ<><D2B2><EFBFBD>ԣ<EFBFBD><D4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>Դ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>־λ<D6BE><CEBB><EFBFBD><EFBFBD><EFBFBD>ԾͲ<D4BE><CDB2><EFBFBD>Ҫ<EFBFBD>ٴ<EFBFBD><D9B4>ݳ<EFBFBD><DDB3>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD><EFBFBD>
{
for(uint8_t i = 0; pcString[i] != '\0'; i++) // ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD><EFBFBD>ñ<EFBFBD>־λ<D6BE><CEBB><EFBFBD>ж<EFBFBD><D0B6><EFBFBD>,<2C><>'\0'<27>ǿ<EFBFBD><C7BF>ַ<EFBFBD><D6B7><EFBFBD>ת<EFBFBD><D7AA><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ʾ<EFBFBD><CABE>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>д0<D0B4><30>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
{
vUsart3SendByte(pcString[i]); // <20><>String<6E>ַ<EFBFBD><D6B7><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>SendByte<74><65><EFBFBD><EFBFBD>
}
}
/**
* @brief printf<74>ض<EFBFBD><D8B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @note fputc<74><63>printf<74><66><EFBFBD><EFBFBD><EFBFBD>ĵײ㣬printf<74><66><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><D3A1>ʱ<EFBFBD>򣬾<EFBFBD><F2A3ACBE>Dz<EFBFBD><C7B2>ϵ<EFBFBD><CFB5><EFBFBD>fputc<74><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1>
* @param ch,*f
* @retval ch
*/
int fputc(int ch, FILE *f)
{
vUsart3SendByte(ch);
return ch;
}
/**
* @brief printf<74><66>װ<EFBFBD><D7B0><EFBFBD><EFBFBD>
* @note <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD>ǽ<EFBFBD><C7BD>տɱ<D5BF><C9B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD>
* @param *format,...
* @retval None
*/
void vUsart3Printf(char *format, ...)
{
char String[100];
va_list arg; // arg<72>Ƕ<EFBFBD><C7B6><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
va_start(arg, format); // <20><>formatλ<74>ÿ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD>ղ<EFBFBD><D5B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>arg<72><67><EFBFBD><EFBFBD>
vsprintf(String, format, arg); // <20><>װ<EFBFBD><D7B0>ʽҪ<CABD><D2AA>vsprintf<74><66><EFBFBD><EFBFBD>Ϊsprintfֻ<66>ܽ<EFBFBD><DCBD><EFBFBD>ֱ<EFBFBD><D6B1>д<EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>format<61><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>arg<72><67>
va_end(arg); // <20>ͷŲ<CDB7><C5B2><EFBFBD><EFBFBD><EFBFBD>
vUsart3SendString(String);
}
void USART3_IRQHandler(void)
{
if (USART_GetITStatus(USART3, USART_IT_RXNE) == SET)
{
/* code */
uint32_t ulRxData = USART_ReceiveData(USART3);
while (ulRxData != 0xFF)
{
/* code */
ucRxBuffer[ucIndex++] = ulRxData;
}
USART_ClearITPendingBit(USART3, USART_IT_RXNE);
}
}

31
STM32/Environment_Node/System/USART3.h Normal file
View File

@@ -0,0 +1,31 @@
#ifndef __USART3_H__
#define __USART3_H__
#include "stm32f10x.h" // Device header
#include "FreeRTOS.h"
#include "queue.h"
// #include "semphr.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#define USART3_GPIO_PIN_TX GPIO_Pin_10
#define USART3_GPIO_PIN_RX GPIO_Pin_11
#define USART3_GPIO_PIN_ATK_AUX GPIO_Pin_4 // PA4
#define USART3_GPIO_PIN_ATK_MD0 GPIO_Pin_3 // PB3
#define USART3_QUEUE_LENGTH 256
typedef struct
{
/* data */
uint8_t *ucRxBuffer;
uint8_t ucIndex;
}Usart3RecBuffer_t;
void vUsart3Init(uint32_t ulUsart3Baudrate);
void vUsart3SendByte(uint8_t ucByte);
void vUsart3SendArray(uint8_t *pucArray, uint16_t usLength);
void vUsart3SendString(char *pcString);
void vUsart3Printf(char *format, ...);
#endif