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blue.c
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/*
* blue.c
*
* Created on: 2019年6月29日
* Author: SkingWei
*/
#include "stdlib.h"
#include "blue.h"
#include"LCD12864_rom_enable.h" //不用当注释
volatile float *monitorData1; //V
volatile float *monitorData2; //I
volatile float *monitorData3; //V
volatile float *monitorData4; //I
int L;
int debug_count=0;
int uart1_flag=0;
char charget='*';
char buffer1[512]="";
char buffer2[512]="";
char buffer3[512]="";
char buffer4[512]="";
unsigned long num_pow(unsigned char m,unsigned char n)
{
unsigned long result=1;
while(n--)result*=m;
return result;
}
//浮点数转换成字符串,参数：生成的数组str,待转换的浮点数floa,整数长度为len1,小数长度为len2
void Float2Str(unsigned char str[],double floa,unsigned char len1,unsigned char len2)
{
unsigned char i=0,j=0;
unsigned int zhengshu = floa;
unsigned int xiaoshu = (floa-zhengshu)*num_pow(10,len2);
while(len1--)
{
str[len1] = zhengshu%10+0x30;
zhengshu = zhengshu/10;
i++;
}
str[i] = '.';
while(len2--)
{
str[i+len2+1] = xiaoshu%10+0x30;
xiaoshu = xiaoshu/10;
j++;
}
str[i+j+1] = '\0';
}
void UART1IntHandler(void);
void initialize_uart()
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART1);
//使能GPIO外设
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
// GPIO模式配置 PA0--RX PA1--TX
GPIOPinConfigure(GPIO_PB0_U1RX);
GPIOPinConfigure(GPIO_PB1_U1TX);
//GPIO的UART模式配置
GPIOPinTypeUART(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//UART协议配置 波特率115200 8位 1停止位 无校验位
UARTConfigSetExpClk(UART1_BASE, SysCtlClockGet(), 115200,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
//UART禁用FIFO 默认FIFO Level为4/8 寄存器满8字节后产生中断
//禁用后接收1位就产生中断
// UARTFIFODisable(UART0_BASE);
UARTFIFODisable(UART1_BASE);
//使能UART0中断
// IntEnable(INT_UART0);
IntEnable(INT_UART1);
//使能UART0接收中断
UARTIntEnable(UART1_BASE,UART_INT_RX);
//UART中断地址注册
UARTIntRegister(UART1_BASE,UART1IntHandler);
//全局中断使能
IntMasterEnable();
}
/*****************绑定要监视的数据***************************/
void blue1(volatile float *sendData1){
monitorData1 = sendData1;
}
void blue2(volatile float *sendData2){
monitorData2 = sendData2;
}
void blue3(volatile float *sendData3){
monitorData3= sendData3;
}
void blue4(volatile float *sendData4){
monitorData4 = sendData4;
}
void printCharFVT(unsigned char sendChar) {
UARTCharPut(UART1_BASE, sendChar);
}
void printStringFVT(char *sendString) {
//UARTIntDisable(UART1_BASE, UART_INT_RX | UART_INT_RT); //暂时关闭中断
while ((*sendString) != '\0')
{
UARTCharPut(UART1_BASE, *sendString);
sendString++;
}
//UARTIntEnable(UART1_BASE, UART_INT_RX | UART_INT_RT); //重新开始接收
}
void UARTStringPut(uint32_t ui32Base, unsigned char *p,unsigned char length)
{
while(length--)
{
while(UARTBusy(ui32Base));
UARTCharPut(ui32Base,*p++);
}
}
/**************发送数据***************************/
void sentdata()
{
Float2Str(buffer1,*monitorData1,2,3);
printStringFVT(buffer1);
printCharFVT(',');
Float2Str(buffer2,*monitorData2,2,3);
printStringFVT(buffer2);
printCharFVT(' ');
// Float2Str(buffer3,*monitorData3,3,0);
// printStringFVT(buffer3);
// printCharFVT(' ');
// Float2Str(buffer1,*monitorData1,2,4);
// printCharFVT('a')
// printStringFVT(buffer1);
}
/***************接收字符串*************************/
//char *tempStr;
void getStringFVT() {
charget=ROM_UARTCharGet(UART1_BASE);
//接收并发送
// printCharFVT(charget);
// 程序处理
switch(charget)
{
case '0': DispChar5x8(1,1,charget,1);break;
case '1': DispChar5x8(1,1,charget,1);break;
case '2': DispChar5x8(1,1,charget,1);break;
case '3': DispChar5x8(1,1,charget,1);break;
case '4': DispChar5x8(1,1,charget,1);break;
case '5': DispChar5x8(1,1,charget,1);break;
case '6': DispChar5x8(1,1,charget,1);break;
case '7': DispChar5x8(1,1,charget,1);break;
case '8': DispChar5x8(1,1,charget,1);break;
case '9': DispChar5x8(1,1,charget,1);break;
case 'A': DispChar5x8(1,1,charget,1);break;
case 'B': DispChar5x8(1,1,charget,1);break;
case 'C': DispChar5x8(1,1,charget,1);break;
case 'D': DispChar5x8(1,1,charget,1);break;
case 'E': DispChar5x8(1,1,charget,1);break;
case 'F': DispChar5x8(1,1,charget,1);break;
default: DispString5x8(1,1,"w",1);break;
}
}
//UART0中断函数
void UART1IntHandler(void)
{
//获取中断标志 原始中断状态 不屏蔽中断标志
// uint32_t flag = UARTIntStatus(UART0_BASE,0);
//获取中断标志 原始中断状态 屏蔽中断标志
// UARTIntClear( UART1_BASE , UART_INT_OE );
// UARTIntClear( UART1_BASE , UART_INT_RX );
// UARTRxErrorClear( UART1_BASE );
uint32_t flag = UARTIntStatus(UART1_BASE,1);
//清除中断标志
UARTIntClear(UART1_BASE,flag);
if(flag&UART_INT_RX)
//UARTCharsAvail()判断FIFO是否还有数据
while(UARTCharsAvail(UART1_BASE))
{
UARTCharGetNonBlocking(UART1_BASE);
uart1_flag=1;
// UARTCharPutNonBlocking(UART1_BASE, UARTCharGetNonBlocking(UART1_BASE)); //echo character
//getStringFVT(); //接收字符串
}
}