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debug.h
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debug.h
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/* Debug */
/* Provide printf subroutine and delay function */
#pragma once
#include <stdint.h>
#include "ch554.h"
#ifndef UART0_BAUD
#define UART0_BAUD 9600
#endif
#ifndef UART1_BAUD
#define UART1_BAUD 9600
#endif
void CfgFsys( ); // CH554 clock selection and configuration
void mDelayuS (uint16_t n); // Delay in units of uS
void mDelaymS (uint16_t n); // Delay in mS
/*******************************************************************************
* Function Name : CH554UART0Alter()
* Description : CH554 serial port 0 pin mapping, serial port mapping to P0.2 and P0.3
*******************************************************************************/
inline void CH554UART0Alter()
{
PIN_FUNC |= bUART0_PIN_X; //串口映射到P1.2和P1.3
}
/*******************************************************************************
* Function Name : mInitSTDIO()
* Description : CH554 serial port 0 is initialized, T1 is used as the baud rate generator of UART0 by default, T2 can also be used
As a baud rate generator
*******************************************************************************/
inline void mInitSTDIO( )
{
uint32_t x;
uint8_t x2;
SM0 = 0;
SM1 = 1;
SM2 = 0; //Serial port 0 usage mode 1
//Use Timer1 as a baud rate generator
RCLK = 0; //UART0 receive clock
TCLK = 0; //UART0 transmit clock
PCON |= SMOD;
x = 10 * FREQ_SYS / UART0_BAUD / 16; //If you change the main frequency, be careful not to overflow the value of x
x2 = x % 10;
x /= 10;
if ( x2 >= 5 ) x ++; //rounding
TMOD = TMOD & ~ bT1_GATE & ~ bT1_CT & ~ MASK_T1_MOD | bT1_M1; //0X20, Timer1 as 8-bit auto-reload timer
T2MOD = T2MOD | bTMR_CLK | bT1_CLK; //Timer1 clock selection
TH1 = 0-x; //12MHz crystal oscillator, buad / 12 is the actual need to set the baud rate
TR1 = 1; //Start timer 1
TI = 1;
REN = 1; //Serial 0 receive enable
}
/*******************************************************************************
* Function Name : CH554UART0RcvByte()
* Description : CH554UART0 receives a byte
* Return : SBUF
*******************************************************************************/
inline uint8_t CH554UART0RcvByte( )
{
while(RI == 0); // wait for uart rx interrupt flag
RI = 0;
return SBUF;
}
/*******************************************************************************
* Function Name : CH554UART0SendByte(uint8_t SendDat)
* Description : CH554UART0 sends a byte
* Input : uint8_t SendDat; the data to be sent
*******************************************************************************/
inline void CH554UART0SendByte(uint8_t SendDat)
{
SBUF = SendDat;
while(TI ==0); // wait for transmit to finish (TI == 1)
TI = 0;
}
/*******************************************************************************
* Function Name : CH554UART1Alter()
* Description : Set the alternate pin mappings for UART1 (TX on P3.2, RX on P3.4)
*******************************************************************************/
inline void CH554UART1Alter()
{
PIN_FUNC |= bUART1_PIN_X;
}
/*******************************************************************************
* Function Name : UART1Setup()
* Description : CH554串口1初始化
*******************************************************************************/
inline void UART1Setup()
{
U1SM0 = 0; //UART1选择8位数据位
U1SMOD = 1; //快速模式
U1REN = 1; //使能接收
// should correct for rounding in SBAUD1 calculation
SBAUD1 = 256 - FREQ_SYS/16/UART1_BAUD;
}
/*******************************************************************************
* Function Name : CH554UART1RcvByte()
* Description : CH554UART1接收一个字节
* Return : SBUF
*******************************************************************************/
inline uint8_t CH554UART1RcvByte( )
{
while(U1RI == 0); //查询接收，中断方式可不用
U1RI = 0;
return SBUF1;
}
/*******************************************************************************
* Function Name : CH554UART1SendByte(uint8_t SendDat)
* Description : CH554UART1发送一个字节
* Input : uint8_t SendDat；要发送的数据
*******************************************************************************/
inline void CH554UART1SendByte(uint8_t SendDat)
{
SBUF1 = SendDat; //查询发送，中断方式可不用下面2条语句,但发送前需TI=0
while(U1TI ==0);
U1TI = 0;
}
#if SDCC < 370
void putchar(char c);
char getchar();
#else
int putchar(int c);
int getchar(void);
#endif
/*******************************************************************************
* Function Name : CH554WDTModeSelect(uint8_t mode)
* Description : CH554 watchdog mode selection
* Input : uint8_t mode
0 timer
1 watchDog
* Output : None
* Return : None
*******************************************************************************/
inline void CH554WDTModeSelect(uint8_t mode)
{
SAFE_MOD = 0x55;
SAFE_MOD = 0xaa; //Enter Safe Mode
if(mode){
GLOBAL_CFG |= bWDOG_EN; //Start watchdog reset
}
else GLOBAL_CFG &= ~bWDOG_EN; //Start watchdog only as a timer
SAFE_MOD = 0x00; //exit safe Mode
WDOG_COUNT = 0; //Watchdog assignment initial value
}
/*******************************************************************************
* Function Name : CH554WDTFeed(uint8_t tim)
* Description : CH554 watchdog timer time setting
* Input : uint8_t tim watchdog reset time setting
00H(6MHz)=2.8s
80H(6MHz)=1.4s
* Output : None
* Return : None
*******************************************************************************/
inline void CH554WDTFeed(uint8_t tim)
{
WDOG_COUNT = tim; // Watchdog counter assignment
}