#ifndef __wk2xxx_H
#define __wk2xxx_H
#include "stm32f10x.h"
#include "misc.h"
#include "stm32f10x_exti.h"
#include "stm32f10x_usart.h"
//定义函数
#define TPT_UART3_Enable() USART_ITConfig(USART3,USART_IT_RXNE,ENABLE);
#define TPT_UART3_Disable() USART_ITConfig(USART3,USART_IT_RXNE,DISABLE);
#define WK2XXX_GENA 0X00
#define WK2XXX_GRST 0X01
#define WK2XXX_GMUT 0X02
#define WK2XXX_GIER 0X10
#define WK2XXX_GIFR 0X11
#define WK2XXX_GPDIR 0X21
#define WK2XXX_GPDAT 0X31
#define WK2XXX_GPORT 1// /wkxxxx Global rigister of PORT
//wkxxxx slave uarts rigister address defines
#define WK2XXX_SPAGE 0X03
//PAGE0
#define WK2XXX_SCR 0X04
#define WK2XXX_LCR 0X05
#define WK2XXX_FCR 0X06
#define WK2XXX_SIER 0X07
#define WK2XXX_SIFR 0X08
#define WK2XXX_TFCNT 0X09
#define WK2XXX_RFCNT 0X0A
#define WK2XXX_FSR 0X0B
#define WK2XXX_LSR 0X0C
#define WK2XXX_FDAT 0X0D
#define WK2XXX_FWCR 0X0E
#define WK2XXX_RS485 0X0F
//PAGE1
#define WK2XXX_BAUD1 0X04
#define WK2XXX_BAUD0 0X05
#define WK2XXX_PRES 0X06
#define WK2XXX_RFTL 0X07
#define WK2XXX_TFTL 0X08
#define WK2XXX_FWTH 0X09
#define WK2XXX_FWTL 0X0A
#define WK2XXX_XON1 0X0B
#define WK2XXX_XOFF1 0X0C
#define WK2XXX_SADR 0X0D
#define WK2XXX_SAEN 0X0E
#define WK2XXX_RTSDLY 0X0F
//WK串口扩展芯片的寄存器的位定义
//wkxxx register bit defines
// GENA
#define WK2XXX_UT4EN 0x08
#define WK2XXX_UT3EN 0x04
#define WK2XXX_UT2EN 0x02
#define WK2XXX_UT1EN 0x01
//GRST
#define WK2XXX_UT4SLEEP 0x80
#define WK2XXX_UT3SLEEP 0x40
#define WK2XXX_UT2SLEEP 0x20
#define WK2XXX_UT1SLEEP 0x10
#define WK2XXX_UT4RST 0x08
#define WK2XXX_UT3RST 0x04
#define WK2XXX_UT2RST 0x02
#define WK2XXX_UT1RST 0x01
//GIER
#define WK2XXX_UT4IE 0x08
#define WK2XXX_UT3IE 0x04
#define WK2XXX_UT2IE 0x02
#define WK2XXX_UT1IE 0x01
//GIFR
#define WK2XXX_UT4INT 0x08
#define WK2XXX_UT3INT 0x04
#define WK2XXX_UT2INT 0x02
#define WK2XXX_UT1INT 0x01
//SPAGE
#define WK2XXX_SPAGE0 0x00
#define WK2XXX_SPAGE1 0x01
//SCR
#define WK2XXX_SLEEPEN 0x04
#define WK2XXX_TXEN 0x02
#define WK2XXX_RXEN 0x01
//LCR
#define WK2XXX_BREAK 0x20
#define WK2XXX_IREN 0x10
#define WK2XXX_PAEN 0x08
#define WK2XXX_PAM1 0x04
#define WK2XXX_PAM0 0x02
#define WK2XXX_STPL 0x01
//FCR
//SIER
#define WK2XXX_FERR_IEN 0x80
#define WK2XXX_CTS_IEN 0x40
#define WK2XXX_RTS_IEN 0x20
#define WK2XXX_XOFF_IEN 0x10
#define WK2XXX_TFEMPTY_IEN 0x08
#define WK2XXX_TFTRIG_IEN 0x04
#define WK2XXX_RXOUT_IEN 0x02
#define WK2XXX_RFTRIG_IEN 0x01
//SIFR
#define WK2XXX_FERR_INT 0x80
#define WK2XXX_CTS_INT 0x40
#define WK2XXX_RTS_INT 0x20
#define WK2XXX_XOFF_INT 0x10
#define WK2XXX_TFEMPTY_INT 0x08
#define WK2XXX_TFTRIG_INT 0x04
#define WK2XXX_RXOVT_INT 0x02
#define WK2XXX_RFTRIG_INT 0x01
//TFCNT
//RFCNT
//FSR
#define WK2XXX_RFOE 0x80
#define WK2XXX_RFBI 0x40
#define WK2XXX_RFFE 0x20
#define WK2XXX_RFPE 0x10
#define WK2XXX_RDAT 0x08
#define WK2XXX_TDAT 0x04
#define WK2XXX_TFULL 0x02
#define WK2XXX_TBUSY 0x01
//LSR
#define WK2XXX_OE 0x08
#define WK2XXX_BI 0x04
#define WK2XXX_FE 0x02
#define WK2XXX_PE 0x01
//FWCR
//RS485
/////函数部分
void WK_RstInit(void);
void WkWriteGReg(unsigned char greg,unsigned char dat);
u8 WkReadGReg(unsigned char greg);
void WkWriteSReg(u8 port,u8 sreg,u8 dat);
u8 WkReadSReg(u8 port,u8 sreg);
void WkWriteSFifo(u8 port,u8 *dat,u8 num);
void WkReadSFifo(u8 port,u8 *rec,u8 num);
void Wk_BaudAdaptive(void);
void Wk_Init(u8 port);
void Wk_DeInit(u8 port);
uint8_t Wk_SetBaud(u8 port,uint32_t baudrate);
int wk_TxLen(u8 port);
void wk_TxChars(u8 port,int len,u8 *sendbuf);
int wk_RxChars(u8 port,u8 *recbuf);
#endif
/////////////////
#include "wk2xxx.h"
#include "delay.h"
#include "usart.h"
/**************************************Wk2114WriteReg***********************************/
//函数功能:写寄存器函数(前提是该寄存器可写,某些寄存器如果你写1,可能会自动置1,具体见数据手册)
//参数:port:为子串口的数(C0C1)
// reg:为寄存器的地址(A3A2A1A0)
// dat:为写入寄存器的数据
//注意:在子串口被打通的情况下,向FDAT写入的数据会通过TX引脚输出
//*************************************************************************/
void Wk2114WriteReg(unsigned char port,unsigned char reg,unsigned char dat)
{
uart_sendByte(((port-1)<<4)+reg); //写指令,对于指令的构成见数据手册
uart_sendByte(dat);//写数据
}
/*************************************Wk2114ReadReg************************************/
//函数功能:读寄存器函数
//参数:port:为子串口的数(C0C1)
// reg:为寄存器的地址(A3A2A1A0)
// rec_data:为读取到的寄存器值
//注意:在子串口被打通的情况下,读FDAT,实际上就是读取uart的rx接收的数据
/*************************************************************************/
unsigned char Wk2114ReadReg(unsigned char port,unsigned char reg)
{
unsigned char rec_data;
uart_sendByte(0x40+((port-1)<<4)+reg); //写指令,对于指令的构成见数据手册
rec_data=uart_recByte(); //接收返回的寄存器值
return rec_data;
}
/**************************************Wk2114writeFIFO***********************************/
//函数功能:写FIFO函数(该函数写入的数据会通过uart的TX发送出去)
//参数:port:为子串口的数(C0C1)
// *dat:为写入数据指针
// num:为写入数据的个数,不超过16个字节(N3N2N1N0)
/*************************************************************************/
//void Wk2114writeFIFO(unsigned char port,unsigned char *send_da,unsigned char num)
//{
// unsigned char i;
// uart_sendByte(0x80+((port-1)<<4)+(num-1)); //写指令,对于指令构成见数据手册
// for(i=0;i<num;i++)
// {
// uart_sendByte( *(send_da+i));//写数据
// }
//}
/***************************************Wk2114readFIFO**********************************/
//函数功能:读FIFO函数(该函数读取的数据是FIFO缓存中的数据,实际上是uart的rx接收的数据)
//参数:port:为子串口的数(C0C1)
// *dat:为读到数据指针
// num:为读出数据的个数,不超过16个字节(N3N2N1N0)
/*************************************************************************/
//unsigned char *Wk2114readFIFO(unsigned char port,unsigned char num)
//{
// unsigned char n;
// unsigned char dat[256];
// uart_sendByte(0xc0+((port-1)<<4)+(num-1));
// for(n=0;n<num;n++)
// {
// dat[n]=uart_recByte();
// }
// return dat;
//}
/******************************Wk2114Init*******************************************/
//函数功能:本函数主要会初始化一些芯片基本寄存器;
/*********************************************************************************/
void Wk2114Init(unsigned char port)
{
unsigned char gena,grst,gier,sier,scr;
//使能子串口时钟
gena=Wk2114ReadReg(WK2XXX_GPORT,WK2XXX_GENA);
switch (port)
{
case 1://使能子串口1的时钟
gena|=WK2XXX_UT1EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
case 2://使能子串口2的时钟
gena|=WK2XXX_UT2EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
case 3://使能子串口3的时钟
gena|=WK2XXX_UT3EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
case 4://使能子串口4的时钟
gena|=WK2XXX_UT4EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
}
//软件复位子串口
grst=Wk2114ReadReg(WK2XXX_GPORT,WK2XXX_GRST);
switch (port)
{
case 1://软件复位子串口1
grst|=WK2XXX_UT1RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
case 2://软件复位子串口2
grst|=WK2XXX_UT2RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
case 3://软件复位子串口3
grst|=WK2XXX_UT3RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
case 4://软件复位子串口4
grst|=WK2XXX_UT4RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
}
//使能子串口中断,包括子串口总中断和子串口内部的接收中断,和设置中断触点
gier=Wk2114ReadReg(WK2XXX_GPORT,WK2XXX_GIER);
switch (port)
{
case 1://软件复位子串口1
gier|=WK2XXX_UT1RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GIER,gier);
break;
case 2://软件复位子串口2
gier|=WK2XXX_UT2RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GIER,gier);
break;
case 3://软件复位子串口3
gier|=WK2XXX_UT3RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GIER,gier);
break;
case 4://软件复位子串口4
gier|=WK2XXX_UT4RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GIER,gier);
break;
}
//使能子串口接收触点中断和超时中断
sier=Wk2114ReadReg(port,WK2XXX_SIER);
sier |= WK2XXX_RFTRIG_IEN|WK2XXX_RXOUT_IEN;
Wk2114WriteReg(port,WK2XXX_SIER,sier);
// 初始化FIFO和设置固定中断触点
Wk2114WriteReg(port,WK2XXX_FCR,0XFF);
//设置任意中断触点,如果下面的设置有效,那么上面FCR寄存器中断的固定中断触点将失效
Wk2114WriteReg(port,WK2XXX_SPAGE,1);//切换到page1
Wk2114WriteReg(port,WK2XXX_RFTL,0X40);//设置接收触点为64个字节
Wk2114WriteReg(port,WK2XXX_TFTL,0X10);//设置发送触点为16个字节
Wk2114WriteReg(port,WK2XXX_SPAGE,0);//切换到page0
//使能子串口的发送和接收使能
scr=Wk2114ReadReg(port,WK2XXX_SCR);
scr|=WK2XXX_TXEN|WK2XXX_RXEN;
Wk2114WriteReg(port,WK2XXX_SCR,scr);
}
/******************************Wk2114Close*******************************************/
//函数功能:本函数会关闭当前子串口,和复位初始值;
/*********************************************************************************/
void Wk2114Close(unsigned char port)
{
unsigned char gena,grst;
//复位子串口
grst=Wk2114ReadReg(WK2XXX_GPORT,WK2XXX_GRST);
switch (port)
{
case 1://软件复位子串口1
grst&=~WK2XXX_UT1RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
case 2://软件复位子串口2
grst&=~WK2XXX_UT2RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
case 3://软件复位子串口3
grst&=~WK2XXX_UT3RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
case 4://软件复位子串口4
grst&=~WK2XXX_UT4RST;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GRST,grst);
break;
}
//关闭子串口时钟
gena=Wk2114ReadReg(WK2XXX_GPORT,WK2XXX_GENA);
switch (port)
{
case 1://使能子串口1的时钟
gena&=~WK2XXX_UT1EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
case 2://使能子串口2的时钟
gena&=~WK2XXX_UT2EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
case 3://使能子串口3的时钟
gena&=~WK2XXX_UT3EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
case 4://使能子串口4的时钟
gena&=~WK2XXX_UT4EN;
Wk2114WriteReg(WK2XXX_GPORT,WK2XXX_GENA,gena);
break;
}
}
/**************************Wk2114SetBaud*******************************************************/
//函数功能:设置子串口波特率函数、此函数中波特率的匹配值是根据11.0592Mhz下的外部晶振计算的
// port:子串口号
// baud:波特率大小.波特率表示方式,
//
/**************************Wk2114SetBaud*******************************************************/
void Wk2114SetBaud(unsigned char port,int baud)
{
unsigned char baud1,baud0,pres,scr;
//如下波特率相应的寄存器值,是在外部时钟为11.0592的情况下计算所得,如果使用其他晶振,需要重新计算
switch (baud)
{
case 600:
baud1=0x4;
baud0=0x7f;
pres=0;
break;
case 1200:
baud1=0x2;
baud0=0x3F;
pres=0;
break;
case 2400:
baud1=0x1;
baud0=0x1f;
pres=0;
break;
case 4800:
baud1=0x00;
baud0=0x8f;
pres=0;
break;
case 9600:
baud1=0x00;
baud0=0x47;
pres=0;
break;
case 19200:
baud1=0x00;
baud0=0x23;
pres=0;
break;
case 38400:
baud1=0x00;
baud0=0x11;
pres=0;
break;
case 76800:
baud1=0x00;
baud0=0x08;
pres=0;
break;
case 1800:
baud1=0x01;
baud0=0x7f;
pres=0;
break;
case 3600:
baud1=0x00;
baud0=0xbf;
pres=0;
break;
case 7200:
baud1=0x00;
baud0=0x5f;
pres=0;
break;
case 14400:
baud1=0x00;
baud0=0x2f;
pres=0;
break;
case 28800:
baud1=0x00;
baud0=0x17;
pres=0;
break;
case 57600:
baud1=0x00;
baud0=0x0b;
pres=0;
break;
case 115200:
baud1=0x00;
baud0=0x05;
pres=0;
break;
case 230400:
baud1=0x00;
baud0=0x02;
pres=0;
break;
default:
baud1=0x00;
baud0=0x00;
pres=0;
}
//关掉子串口收发使能
scr=Wk2114ReadReg(port,WK2XXX_SCR);
Wk2114WriteReg(port,WK2XXX_SCR,0);
//设置波特率相关寄存器
Wk2114WriteReg(port,WK2XXX_SPAGE,1);//切换到page1
Wk2114WriteReg(port,WK2XXX_BAUD1,baud1);
Wk2114WriteReg(port,WK2XXX_BAUD0,baud0);
Wk2114WriteReg(port,WK2XXX_PRES,pres);
Wk2114WriteReg(port,WK2XXX_SPAGE,0);//切换到page0
//使能子串口收发使能
Wk2114WriteReg(port,WK2XXX_SCR,scr);
}
#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "usart.h"
#include "wk2xxx.h"
#include "wk2xxx_test.h"
#include "exti.h"
/*
UART2为打印接口:TX2:PA2; RX2:PA3
UART1为主uart接口:TX1:PA9;RX1:PA10
RSTN:PB8
*/
void EXTI1_IRQHandler(void)
{
u8 gifr,rxbuf[256];
int rxlen;
printf("IN EXTI1_IRQ!!!!\n");
/*关闭LED灯*/
LED1(LED_OFF);
LED2(LED_OFF);
LED3(LED_OFF);
LED4(LED_OFF);
if(EXTI_GetFlagStatus(EXTI_Line1)!= RESET)
{ EXTI_ClearITPendingBit(EXTI_Line1); //清除LINE1上的中断标志位
gifr=WkReadGReg(WK2XXX_GIFR);/**/
do{
if(gifr&WK2XXX_UT1INT)//判断子串口1是否有中断
{ /*数据处理*/
/*数据接收*/
rxlen=wk_RxChars(1,rxbuf);//一次接收的数据不会超过256Byte
/*数据发送*/
//把接收的数据发送出去
wk_TxChars(1,rxlen,rxbuf);
}
if(gifr&WK2XXX_UT2INT)//判断子串口2是否有中断
{
/*数据接收*/
rxlen=wk_RxChars(2,rxbuf);//一次接收的数据不会超过256Byte
/*数据发送*/
//把接收的数据发送出去
wk_TxChars(2,rxlen,rxbuf);
}
if(gifr&WK2XXX_UT3INT)//判断子串口3是否有中断
{
/*数据接收*/
rxlen=wk_RxChars(3,rxbuf);//一次接收的数据不会超过256Byte
/*数据发送*/
//把接收的数据发送出去
wk_TxChars(3,rxlen,rxbuf);
// printf("port!!!!\n");
}
if(gifr&WK2XXX_UT4INT)//判断子串口4是否有中断
{
/*数据接收*/
rxlen=wk_RxChars(4,rxbuf);//一次接收的数据不会超过256Byte
/*数据发送*/
//把接收的数据发送出去
//wk_TxChars(4,rxlen,rxbuf);
}
gifr=WkReadGReg(WK2XXX_GIFR);
//printf("IN EXTI2_IRQ GIFR:0X%X !!!\n",gifr);
}while(gifr&0x0f);
printf("IN EXTI1_IRQ over! !!!\n");
}
}
int main(void)
{
unsigned char dat1;
int n,len;
unsigned char sendbuf[256];
for(n=0;n<256;n++)
sendbuf[n]=n;
//配置stm32串口相关
delay_init(); //延时函数初始化
NVIC_Configuration(); //设置NVIC中断分组2:2位抢占优先级,2位响应优先级
uart_init(115200); //串口初始化为115200
uart2_init(115200);
WK_RstInit();
printf("WK_UART_DEMO_V1.0.\n");
dat1=0xff;
Wk_BaudAdaptive();
delay_ms(100);
/*读写GNEA,测试主接口通信是否成功*/
dat1=WkReadGReg(WK2XXX_GENA);
printf("gena=0x%x.\n",dat1);
///////////////////////////////////////////////
//初始化串口。
Wk_Init(1);
Wk_Init(2);
Wk_Init(3);
Wk_Init(4);
//设置子串口波特率。
Wk_SetBaud(1,115200);
Wk_SetBaud(2,115200);
Wk_SetBaud(3,115200);
Wk_SetBaud(4,115200);
EXTIX_Init();//初始化CPU外部中断
while(1)
{
Exti_Disable();/*关闭外部中断响应*/
// /*中断屏蔽区,这样可以防止中断响应打乱spi的操作时序*/
// /*通常在中断函数外部操作读写寄存器的时候,最好关断中断响应,但是这个时间也不要过长,过长导致子串口溢出,从而导致数据丢失*/
// /*如果对于大数据需要发送,一次操作不要超过256,最好不要让程序阻塞在发送中*/
len=wk_TxLen(4);/*判断子串口4能写入数据的个数*/
wk_TxChars(4,len,sendbuf);/*写入len个数据进入发送fifo*/
Exti_Enable();/*开启外部中断响应*/
}
}
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WK2124 Resources V1.1.7z
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