/*
*********************************************************************************************************
*	??????????????????????????????????
*	模塊名稱?:?CAN網(wǎng)絡(luò)通信程序
*	文件名稱?:?can_network.c
*	版????本?:?V1.0.1
*	說????明?:?實(shí)現(xiàn)多個(gè)CAN節(jié)點(diǎn)（節(jié)點(diǎn)的程序相同）之間的通信。

*
*********************************************************************************************************
*/

/*
	一、應(yīng)用層協(xié)議:（自定義簡(jiǎn)單協(xié)議）	
	
???????命令：?功能碼（1字節(jié)）+?【起始地址（2字節(jié)）】+?【字節(jié)數(shù)（1字節(jié)）】+?[數(shù)據(jù)]（N字節(jié)）+?校驗(yàn)（2字節(jié)）
							?功能碼???0x03?讀??（地址0xFFFF，CAN從機(jī)個(gè)數(shù)、共享寄存器個(gè)數(shù)）
											??0x10?寫	
*/

#include?
#include?“stm32f10x_can.h“
#include?“can_network.h“
#include?“PLC_Dialogue.h“
#include?“bsp_user_lib.h“

#if?CAN_FUNC

/*?定義全局變量?*/
CanTxMsg?g_tCanTxMsg;	/*?用于發(fā)送?*/
CanRxMsg?g_tCanRxMsg;	/*?用于接收?*/
uint8_t?g_ucLedNo?=?0;	/*?點(diǎn)亮的LED燈序號(hào)，0-3?*/


//?can應(yīng)用
sCanComm?canComm;



/*?僅允許本文件內(nèi)調(diào)用的函數(shù)聲明?*/
static?void?can_NVIC_Config（void）;

/**********************************************************************************************************
*	函?數(shù)?名:?can_Init
*	功能說明:?配置CAN硬件
*	形????參：無
*	返?回?值:?無

**********************************************************************************************************/
void?can_Init（void）
{
	GPIO_InitTypeDef?GPIO_InitStructure;
	CAN_InitTypeDef?CAN_InitStructure;
	CAN_FilterInitTypeDef?CAN_FilterInitStructure;	
		
	/*?PB8，PB9口線設(shè)置為AFIO模式?切換到CAN功能?*/
	RCC_APB2PeriphClockCmd（RCC_APB2Periph_AFIO?ENABLE）;
	
	/*?使能GPIO時(shí)鐘?*/
	RCC_APB2PeriphClockCmd（RCC_APB2Periph_GPIOB?ENABLE）;
	
	/*?配置CAN信號(hào)接收引腳:?RX?*/
	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_8;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_IPU;	/*?GPIO配置為上拉輸入模式?*/
	GPIO_Init（GPIOB?&GPIO_InitStructure）;
	
	/*?配置CAN信號(hào)發(fā)送引腳:?TX?*/
	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_9;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_PP;		/*?配置為復(fù)用推挽輸出?*/
	GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;	/*?設(shè)置GPIO最大速度?*/
	GPIO_Init（GPIOB?&GPIO_InitStructure）;
	
	/*?原生的CAN引腳和USB引腳是相同的口線，安富萊開發(fā)板使用引腳的重映射功能將CAN引腳切換到PB8，PB9?*/
	GPIO_PinRemapConfig（GPIO_Remap1_CAN1??ENABLE）;	/*?使能CAN1的重映射?*/
	
	/*?使能CAN外設(shè)時(shí)鐘?*/
	RCC_APB1PeriphClockCmd（RCC_APB1Periph_CAN1?ENABLE）;
	
	CAN_DeInit（CAN1）;						/*?復(fù)位CAN寄存器?*/
	CAN_StructInit（&CAN_InitStructure）;		/*?填充CAN參數(shù)結(jié)構(gòu)體成員為缺省值?*/
	
	/*
		TTCM?=?time?triggered?communication?mode
		ABOM?=?automatic?bus-off?management?
		AWUM?=?automatic?wake-up?mode
		NART?=?no?automatic?retransmission
		RFLM?=?receive?FIFO?locked?mode?
		TXFP?=?transmit?FIFO?priority		
	*/
	CAN_InitStructure.CAN_TTCM?=?DISABLE;			/*?禁止時(shí)間觸發(fā)模式（不生成時(shí)間戳）?T??*/
	CAN_InitStructure.CAN_ABOM?=?DISABLE;			/*?禁止自動(dòng)總線關(guān)閉管理?*/
	CAN_InitStructure.CAN_AWUM?=?DISABLE;			/*?禁止自動(dòng)喚醒模式?*/
	CAN_InitStructure.CAN_NART?=?DISABLE;			/*?禁止仲裁丟失或出錯(cuò)后的自動(dòng)重傳功能?*/
	CAN_InitStructure.CAN_RFLM?=?DISABLE;			/*?禁止接收FIFO加鎖模式?*/
	CAN_InitStructure.CAN_TXFP?=?DISABLE;			/*?禁止傳輸FIFO優(yōu)先級(jí)?*/
	CAN_InitStructure.CAN_Mode?=?CAN_Mode_Normal;	/*?設(shè)置CAN為正常工作模式?*/
	
	/*?
		CAN?波特率?=?RCC_APB1Periph_CAN?/?Prescaler?/?（SJW?+?BS1?+?B

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-03-01?16:31??3U_v8.0\
?????目錄???????????0??2020-03-01?16:28??3U_v8.0\FX3U_V8.0\
?????目錄???????????0??2019-07-19?08:28??3U_v8.0\FX3U_V8.0\CAN\
?????文件???????26110??2019-07-15?21:08??3U_v8.0\FX3U_V8.0\CAN\can_network.c
?????文件????????4646??2019-07-15?21:08??3U_v8.0\FX3U_V8.0\CAN\can_network.h
?????目錄???????????0??2019-07-19?08:28??3U_v8.0\FX3U_V8.0\CMSIS\
?????文件???????17273??2016-10-03?19:39??3U_v8.0\FX3U_V8.0\CMSIS\core_cm3.c
?????文件???????85714??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\core_cm3.h
?????文件???????15766??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_cl.s
?????文件???????15503??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_hd.s
?????文件???????15692??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_hd_vl.s
?????文件???????12376??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_ld.s
?????文件???????13656??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_ld_vl.s
?????文件???????12765??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_md.s
?????文件???????14073??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_md_vl.s
?????文件???????15955??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\startup_stm32f10x_xl.s
?????文件??????633941??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\stm32f10x.h
?????文件???????36557??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\system_stm32f10x.c
?????文件????????2085??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\CMSIS\system_stm32f10x.h
?????目錄???????????0??2019-07-19?08:28??3U_v8.0\FX3U_V8.0\Libraries\
?????目錄???????????0??2019-07-19?08:28??3U_v8.0\FX3U_V8.0\Libraries\inc\
?????文件????????8982??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\misc.h
?????文件???????21690??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_adc.h
?????文件????????7555??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_bkp.h
?????文件???????27559??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_can.h
?????文件????????6573??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_cec.h
?????文件????????2162??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_crc.h
?????文件???????15233??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_dac.h
?????文件????????3818??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_dbgmcu.h
?????文件???????20754??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_dma.h
?????文件????????6824??2016-09-30?13:37??3U_v8.0\FX3U_V8.0\Libraries\inc\stm32f10x_exti.h
............此處省略518個(gè)文件信息