📄 init.c
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/* Include */
#include <hidef.h> /* for EnableInterrupts macro */
#include <MC68HC908GZ60.h> /* include peripheral declarations */
#include "COMMON.h"
#include "INIT.h"
/* Global Variables */
UINT8 power;
UINT8 ad_data[4];
UINT8 ad_channel[4];
UINT8 adch;
UINT8 process_flag;
struct ad_temperature_convert convert_InCar[41]; //0~40oC
struct ad_temperature_convert convert_OutCar[71]; //-10~60oC
/*****************************************************************************
* Function: MCU_Init(void)
*
* Description: Initialization of MCU
*
* Returns: none
*
* Notes: This handler initializes the MCU.
*
*****************************************************************************/
void MCU_Init(void)
{
// CONFIG
CONFIG2 =0x05;
// MCLK not enabled;Disables the MSCAN08 module;Enables extra divide-by-128 prescaler in timebase module
CONFIG1 =0x3A; // COP module enabled
// COP timeout period = 2(18 - 4) COPCLK cycles
// STOP instruction treated as illegal opcode (Reset)
// LVI module power enabled
// PLL
PCTL_PLLON =0; //PLL off
PCTL_BCS =0; //CGMXCLK divided by two drives CGMOUT
// IRQ
INTSCR_IMASK =1; //IRQ interrupt requests enabled
INTSCR_MODE =0; //IRQ interrupt requests on falling edges only
// BRK
//BRKSCR_BRKE =0; //Breaks disabled
// TBM
TBCR_TBON =0; //Timebase is disabled and the counter initialized to 0s
TBCR_TBR0 =0;
TBCR_TBR1 =1;
TBCR_TBR2 =0; //Divider262144/fCGMXCLK4M=65.536ms
TBCR_TBIE =0; //Timebase interrupt is enabled
TBCR_TBON =1; //Timebase is enabled
// I/O
DDRA =0xFF;
DDRB =0xFF;
DDRC =0xFF;
DDRD =0xFF;
DDRE =0xFF;
DDRF =0xFF;
DDRG =0xFF;
DDRB_DDRB7 =0; /*MOTOR_AD input*/ DDRA_DDRA4 =0; /*Keyboard input*/
DDRB_DDRB6 =0; DDRA_DDRA5 =0;
DDRB_DDRB5 =0; DDRA_DDRA6 =0;
DDRB_DDRB3 =0; DDRA_DDRA7 =0;
DDRG_DDRG2 =0; /*SENSOR input*/ DDRG_DDRG0 =0; /*MOTOR_FAULT*/
DDRG_DDRG1 =0; DDRC_DDRC5 =0;
DDRA_DDRA3 =0; DDRC_DDRC6 =0;
DDRA_DDRA2 =0; DDRG_DDRG3 =0;
DDRD_DDRD1 =0; //MISO
PTAPUE_PTAPUE4 =1;
PTAPUE_PTAPUE5 =1;
PTAPUE_PTAPUE6 =1;
PTAPUE_PTAPUE7 =1;
}
/*****************************************************************************
* Function: TIM1_Init(void)
*
* Description: Initialization of PWM
*
* Returns: none
*
* Notes: This handler initializes PWM.
*
*****************************************************************************/
void TIM1_Init(void)
{
T1SC_TOIE =0; //TIM1 overflow interrupts disabled
T1SC_PS =0; //Internal bus clock ÷ 1
T1SC_TSTOP =1; //Stop the TIM1 counter
T1SC_TRST =1; //Reset the TIM1 counter and prescaler
T1MODH =0x00;
T1MODL =0xC8; //200 times internal clock
T1CH0H =0x00;
T1CH0L =0x00; //Duty cycle
T1SC0_MS0A =1;
T1SC0_MS0B =0;
T1SC0_ELS0A =0;
T1SC0_ELS0B =1; //Clear output on compare
T1SC0_TOV0 =1; //toggle-on-overflow
//T1SC0_CH0IE =1; //Channel 0 CPU interrupt requests enabled
T1SC_TSTOP =0; //clear the TIM1 stop bit
}
/*****************************************************************************
* Function: TIM2_Init(void)
*
* Description: Initialization of PWM for Motor
*
* Returns: none
*
* Notes: This handler initializes PWM.
*
*****************************************************************************/
void TIM2_Init(void)
{
T2SC_TSTOP = 1; //Stop the TIM2 counter
T2SC_TRST = 1; //Reset the TIM2 counter and prescaler
T2SC_TOIE = 0; //TIM2 overflow interrupts disabled
T2SC_PS = 0; //Internal bus clock ÷1
T2MODH =0x00;
T2MODL =0xC8; //200*bus cycle time =5K PWM frequency
/*T2CH0*/
T2CH0H =0x00;
T2CH0L =0x64; //50% duty cycle selected for T2CH0
T2SC0_MS0A =1;
T2SC0_MS0B =0; //PWM Mode selected
T2SC0_TOV0 =1; //
T2SC0_ELS0A =0;
T2SC0_ELS0B =1; //Clear output on compare
T2SC0_CH0IE =0; //Channel 0 CPU interrupt requests disabled
/*T2CH1*/
T2CH1H =0x00;
T2CH1L =0x64; //50% duty cycle selected for T2CH1
T2SC1_MS1A =1;
//PWM Mode selected
T2SC1_TOV1 =1; //
T2SC1_ELS1A =0;
T2SC1_ELS1B =1; //Clear output on compare
T2SC1_CH1IE =0; //Channel 1 CPU interrupt requests disabled
/*T2CH2*/
T2CH2H =0x00;
T2CH2L =0x64; //50% duty cycle selected for T2CH2
T2SC2_MS2A =1;
//PWM Mode selected
T2SC2_TOV2 =1; //
T2SC2_ELS2A =0;
T2SC2_ELS2B =1; //Clear output on compare
T2SC2_CH2IE =0; //Channel 2 CPU interrupt requests disabled
/*T2CH3*/
T2CH3H =0x00;
T2CH3L =0x64; //50% duty cycle selected for T2CH3
T2SC3_MS3A =1;
//PWM Mode selected
T2SC3_TOV3 =1; //
T2SC3_ELS3A =0;
T2SC3_ELS3B =1; //Clear output on compare
T2SC3_CH3IE =0; //Channel 3 CPU interrupt requests disabled
T2SC_TSTOP =0; //Clear the TIM2 stop bit
}
/*****************************************************************************
* Function: KBI_Init(void)
*
* Description: none
*
* Returns: none
*
* Notes: This handler initializes the KBI module.
*
*****************************************************************************/
void KBI_Init(void)
{
INTKBSCR_IMASKK =1; //Mask keyboard interrupts
INTKBIER_KBIE4=1; //PTA4~7 as keyboard interrupt pins
INTKBIER_KBIE5=1;
INTKBIER_KBIE6=1;
INTKBIER_KBIE7=1;
INTKBIPR_KBIP4=0;
INTKBIPR_KBIP5=0;
INTKBIPR_KBIP6=0;
INTKBIPR_KBIP7=0; //Keyboard polarity is falling edge and/or low level
INTKBSCR_MODEK =0; //Keyboard interrupt requests on edges only
INTKBSCR_ACKK =1; //Clear any false interrupts
INTKBSCR_IMASKK =0; //Clear the IMASKK bit
}
/******************************************************************************
* Function: AD_Init(void)
*
* Description: AD initialization
*
*
* Returns: none
*
* Notes:
*
******************************************************************************/
void AD_Init(void)
{
ADSCR_AIEN =0; //ADC interrupt disabled
ADSCR_ADCO =0; //One ADC conversion
ADCLK_ADIV2 =0;
ADCLK_ADIV1 =0;
ADCLK_ADIV0 =0; //ADC input clock ÷ 1
ADCLK_MODE1 =0;
ADCLK_MODE0 =0; //8-bit truncation mode
ADCLK_ADICLK =1; //Internal bus clock selected 1M
}
/*****************************************************************************
* Function: Variables_Init(void)
*
* Description: Initialization of PWM
*
* Returns: none
*
* Notes: This handler initializes PWM.
*
*****************************************************************************/
void Variables_Init(void) {
UINT8 i,j;
MOTOR_MIX=1;
MOTOR_CYCLE=0;
MOTOR_MODE=0;
MOTOR_CENTER=0;
MOTOR_MIX_EN=0;
MOTOR_CYCLE_EN=0;
MOTOR_MODE_EN=0;
MOTOR_CENTER_EN=0;
COMPRESSOR=OFF;
CS16512=ON;
power =ON;
ad_data[0]=0;
ad_data[1]=0;
ad_data[2]=0;
ad_data[3]=0;
ad_channel[0]=TEMP_InCar;
ad_channel[1]=TEMP_OutCar;
ad_channel[2]=TEMP_Water;
ad_channel[3]=SunLight;
adch=0;
process_flag=0;
/////
for(i=0;i<41;i++){ //(TEMPERATURE+1)/(6 AD_DATA) 0~40oC
convert_InCar[i].ad=i*6;
convert_InCar[i].temperature=i;
}
/////
for(j=0;j<16;j++){ //(TEMPERATURE+1)/(3 AD_DATA)
convert_OutCar[j].ad=j*3;
convert_OutCar[j].temperature=j-10;
}
for(j=17;j<61;j++){ //(TEMPERATURE+1)/(4 AD_DATA)
convert_OutCar[j].ad=45+(j-15)*4;
convert_OutCar[j].temperature=j-10;
}
for(j=61;j<71;j++){ //(TEMPERATURE+1)/(3 AD_DATA)
convert_OutCar[j].ad=225+(j-60)*3;
convert_OutCar[j].temperature=j-10;
}
}
/*****************************************************************************
* Function: GZ60_Init(void)
*
* Description: none
*
* Returns: none
*
* Notes: This handler initializes the KBI module.
*
*****************************************************************************/
void GZ60_Init(void)
{
MCU_Init();
TIM1_Init();
TIM2_Init();
KBI_Init();
AD_Init();
Variables_Init();
}⌨️ 快捷键说明
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