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242 lines
6.9 KiB
242 lines
6.9 KiB
//////////////////////////////////////////////////////////////////////////
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/// COPYRIGHT NOTICE
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/// Copyright (c) 2015, 传控科技
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/// All rights reserved.
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///
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/// @file main.c
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/// @brief main app
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///
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///（本文件实现的功能的详述）
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///
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/// @version 1.1 CCsens technology
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/// @author CC
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/// @date 20150102
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///
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///
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/// 修订说明：最初版本
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/// Modified by:
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/// Modified date:
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/// Version:
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/// Descriptions:
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// 20160413 CC-ACC-VH02
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// 连接至 J22 RXD0 TXD0
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//P5_DIR &= ~BITN1; //p5.1输出TXD
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//P5_DIR |= BITN0; //p5.0输入RXD
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//P5_SEL0 &= ~(BITN0 +BITN1); //设置P5.0 P5.1为UART0 RXD TXD
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//P5_SEL1 |= BITN0 +BITN1;
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/*****************************************************************************
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update by cc @201700110
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针对多串口 和 单一串口 有区别 每个串口是独立的还是分开的有讲究 程序是复杂的还是软件应用简单是
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个需要平衡的事情.
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clib/clib.c:
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公用的函数 和硬件无关
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放置串行模式(串口等其他通讯总线类的输出)输出的函数,
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一些覆盖模式输出的(lcd等固屏输出的)的也可使用
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void Lc_print(void (*L0pf_send_uc)(char ww), char *dat,...)
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-----------------------------------------------------------------------------------------
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uartcom/Uprotocol2app
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协议到应用
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为了适应不同的通讯协议需要不同的uart口来对应 和应用相关
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typedef struct _ts_lcm_pro_; 应用协议包的定义? LCM的协议------------
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L3_UARTcom0_exp_protocol 解析应用协议
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-----------------------------------------------------------------------------------------
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uartcom/urec2protocol: 接收到的数据放入到指向特定协议的缓存中，和协议的格式有关 一般分为 标头式或者标尾式
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公用的串口通讯定义
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struct _s_uart_rec_ 的公共协议包(关键的结构体)的声明------struct _s_uart_rec_
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void L1_uart_2buf(struct _s_uart_rec_ *p)串行数据保存到指向特定协议的缓冲中
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--------------------------------------------------------------------------------------------
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msp/uartx.c 底层代码 和cpu相关 缓存发送也放在里面
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L0_UART0_Init
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UART0_IRQHandler
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L0_Usend_uc------UserDef
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-----------------------------------------------------------------------------------------
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********************************************************************************/
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#include "uart4.h"
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//#define D_txd4_low() BITN_0(X,BITNx)
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struct _s_uart4_send_buf_ s_uart4_send_shop;
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struct _s_uart4_send_buf_ s_uart4_send_depot;
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#define FOSC 11059200L //系统频率
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#define BAUD4 115200 //串口波特率
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void L0_uart4_init(void)
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{
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#if 0
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S4CON = 0x10; //8位可变波特率
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T2L = (65536 - (FOSC/4/BAUD)); //设置波特率重装值
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T2H = (65536 - (FOSC/4/BAUD))>>8;
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AUXR = 0x14; //T2为1T模式, 并启动定时器2
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#else
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S4CON = 0x50; //8位可变波特率
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T4L = (65536 - (FOSC/4/BAUD4)); //设置波特率重装值
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T4H = (65536 - (FOSC/4/BAUD4))>>8;
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T4T3M |= 0x20; //定时器4为1T模式
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T4T3M |= 0x80; //定时器4开始计时
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#endif
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//设置txd4为强推挽
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BITN_1(P5M0,BITN3); BITN_0(P5M1,BITN3);//P53
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//设置txd4为高阻态，调试gm35模块
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//D_HighR_P5(BITN3);
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D_uart4_ES_INT_OPEN(); //打开串口中断
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EA = 1;
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}
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void L1_uart4_buf_init(void)
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{
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s_uart4_send_depot.p = s_uart4_send_depot.buf;
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s_uart4_send_shop.now = 0;
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//D_txd4_low();
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L0_uart4_init();
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}
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// 发送buf数组 中的0----(num-1)
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void L0_uart4_sendbuf(void)
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{
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register unsigned char n = 0;
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if(s_uart4_send_depot.max >= D_send4_buf_max)
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{
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s_uart4_send_depot.max = 3;
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}
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D_uart4_ES_INT_CLOSE();
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if(0 == s_uart4_send_shop.now)
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{/// 上次的已经发送完毕了,或者第一次开始
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/// (s_uart4_send_shop.now == s_uart4_send_shop.max = 0 buf中为空)
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for(n = 0;n < s_uart4_send_depot.max; n++)
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{
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s_uart4_send_shop.buf[n] = s_uart4_send_depot.p[n];
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}
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s_uart4_send_shop.max = s_uart4_send_depot.max;
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//L0_uart4_IntTIClear();
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s_uart4_send_shop.now = 1;
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L0_uart4_set(s_uart4_send_shop.buf[0]);
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}else
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{// 需要插入
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/// [0]--?--[pool.now]--?--[pool.max-1].......................................
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/// [0]--?--[pool.now]--?--[pool.max]+[bath.0]--?---[bath.max-1].............
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for(n = 0;n < s_uart4_send_depot.max; n++)
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{
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s_uart4_send_shop.buf[s_uart4_send_shop.max] = s_uart4_send_depot.p[n];
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s_uart4_send_shop.max ++;
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if(s_uart4_send_shop.max >= D_send4_buf_max)
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{
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s_uart4_send_shop.max = D_send4_buf_max;
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}
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}
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}
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D_uart4_ES_INT_OPEN();
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}
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/*************************************************
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UART 中断
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*************************************************/
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#define D_SERVE_uart4 interrupt 18
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void INTERRUPT_uart4(void) D_SERVE_uart4// using 2
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{
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D_uart4_ES_INT_CLOSE();
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//------------------------------------------------
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if(L0_uart4_IntRI()) //如果是U0接收中断
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{
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L0_uart4_IntRIClear(); //清除接收中断标志
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//s_uart4_rec.reg = L0_uart4_get();
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//s_uart4_rec.ok = 1;
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Lp0_uart4_fun(L0_uart4_get());
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}
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//------------------------------------------------
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else
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{
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if(L0_uart4_IntTI()) //如果是U0发送中断
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{L0_uart4_IntTIClear(); //清除发送中断标志
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if(s_uart4_send_shop.max != s_uart4_send_shop.now)
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{
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L0_uart4_set(s_uart4_send_shop.buf[s_uart4_send_shop.now]);
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s_uart4_send_shop.now ++;
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}else
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{
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s_uart4_send_shop.max = 0;
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s_uart4_send_shop.now = 0;//可以发送下组个数据
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}
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}
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}
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D_uart4_ES_INT_OPEN();
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}
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void L0_uart4_uc(U8 ww)
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{
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s_uart4_send_depot.max = 1;
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s_uart4_send_depot.buf[0] = ww;
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s_uart4_send_depot.p = s_uart4_send_depot.buf;
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L0_uart4_sendbuf();
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}
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#if 1
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void L0_uart4_0d0a(void)
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{
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s_uart4_send_depot.max = 2;
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s_uart4_send_depot.buf[0] = 0x0d;
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s_uart4_send_depot.buf[1] = 0x0a;
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s_uart4_send_depot.p = s_uart4_send_depot.buf;
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L0_uart4_sendbuf();
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}
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// L0_uart4_uc(cguHex2Char[D_uc_low(s->sec)][0]);
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void L0_uart4_uchex(U8 ww) //1A ==> 0x1 and 0xa
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{
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s_uart4_send_depot.max = 2;
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s_uart4_send_depot.buf[0] = cguHex2Char[D_uc_low(ww)][1];
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s_uart4_send_depot.buf[1] = cguHex2Char[D_uc_high(ww)][1];
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s_uart4_send_depot.p = s_uart4_send_depot.buf;
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L0_uart4_sendbuf();
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}
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void L0_uart4_ulhex(vU32 ww)
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{
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U_U32 ultemp;
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ultemp.dWord = ww;
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L0_uart4_uchex(ultemp.BYTE4.byte0);
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L0_uart4_uchex(ultemp.BYTE4.byte1);
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L0_uart4_uchex(ultemp.BYTE4.byte2);
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L0_uart4_uchex(ultemp.BYTE4.byte3);
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}
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U8 L0_strlen(U8 *str)
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{
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U8 count = 0;
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while(*str++)
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count++;
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return count;
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}
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void L0_uart4_sendstr(U8 *str)
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{
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//L0_uart4_sendbuf(str,strlen(str));
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s_uart4_send_depot.max = L0_strlen(str);
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s_uart4_send_depot.p = str;
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L0_uart4_sendbuf();
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}
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void L0_uart4_sendArray(U8 *str,U8 len)
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{
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//L0_uart4_sendbuf(str,strlen(str));
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s_uart4_send_depot.max = len;
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s_uart4_send_depot.p = str;
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L0_uart4_sendbuf();
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}
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#endif
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