lvgl-v7/Origin__V0.3_LVGL7/UART/SimplUART/APP/debug.c

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2022-11-19 17:03:00 +00:00
#include "debug.h"
//
// Created by KS00596 on 2022/7/12.
//
/**********************************************************
HAL
**********************************************************/
static void SerialInit(void)
{
UART_InitStructure UART_initStruct;
PORT_Init(PORTC, PIN2, FUNMUX0_UART0_RXD, 1); // GPIOA.2配置为UART0输入引脚
PORT_Init(PORTC, PIN3, FUNMUX1_UART0_TXD, 0); // GPIOA.3配置为UART0输出引脚
UART_initStruct.Baudrate = 115200;
UART_initStruct.DataBits = UART_DATA_8BIT;
UART_initStruct.Parity = UART_PARITY_NONE;
UART_initStruct.StopBits = UART_STOP_1BIT;
UART_initStruct.RXThreshold = 3;
UART_initStruct.RXThresholdIEn = 1;
UART_initStruct.TXThreshold = 3;
UART_initStruct.TXThresholdIEn = 0;
UART_initStruct.TimeoutTime = 10; //10个字符时间内未接收到新的数据则触发超时中断
UART_initStruct.TimeoutIEn = 1;
UART_Init(UART0, &UART_initStruct);
UART_Open(UART0);
}
static void putChar(char ch)
{
UART_WriteByte(UART0, (u32)ch);
while (UART_IsTXBusy(UART0));
}
void DebugInit(void){
SerialInit();
}
/***
* printf函数
* void Printf(const char *format, ...)
* %d,%c,%s,%f
* */
/**
* @brief uart输出单个字符-interface
*
* @param c
*/
void PutChar(char c)
{
// extern void putChar(char c);
putChar(c);
}
void printch(const char ch) //输出字符
{
PutChar(ch);
}
void printint(const int dec) //输出整型数
{
if (dec == 0)
{
return;
}
printint(dec / 10);
PutChar((char)(dec % 10 + '0'));
}
void printstr(const char *ptr) //输出字符串
{
while (*ptr)
{
PutChar(*ptr);
ptr++;
}
}
static void printBit(const int dec)
{
if (dec == 0)
{
return;
}
printBit(dec / 2);
PutChar((char)(dec % 2 + '0'));
}
void printfloat(const float flt) //输出浮点数小数点第5位四舍五入
{
int tmpint = (int)flt;
int tmpflt = (int)(100000 * (flt - tmpint));
if (tmpflt % 10 >= 5)
{
tmpflt = tmpflt / 10 + 1;
}
else
{
tmpflt = tmpflt / 10;
}
printint(tmpint);
PutChar('.');
printint(tmpflt);
}
void Printf(const char *format, ...)
{
va_list ap;
va_start(ap, format); //将ap指向第一个实际参数的地址
while (*format != '\0')
{
if (*format != '%')
{
PutChar(*format);
format++;
}
else
{
format++;
switch (*format)
{
case 'c':
{
char valch = va_arg(ap, int); //记录当前实践参数所在地址
printch(valch);
format++;
break;
}
case 'd':
{
int valint = va_arg(ap, int);
if (valint)
printint(valint);
else
{
PutChar('0');
}
format++;
break;
}
case 's':
{
char *valstr = va_arg(ap, char *);
printstr(valstr);
format++;
break;
}
case 'f':
{
float valflt = va_arg(ap, double);
printfloat(valflt);
format++;
break;
}
case 'b':
{
int valint = va_arg(ap, int);
if (valint)
printBit(valint);
else
{
PutChar('0');
}
format++;
break;
}
default:
{
printch(*format);
format++;
}
}
}
}
va_end(ap);
}