/* from yosino san
* ＡＱＭ１６０２ 【16F1827】
* AQM1602/main.c Created on 2024/04/20, 21:48
*/
// config1
#pragma config FOSC = INTOSC , WDTE = OFF , PWRTE = ON , MCLRE = ON , CP = OFF , CPD = OFF
#pragma config BOREN = OFF , CLKOUTEN = OFF , IESO = OFF , FCMEN = OFF
// config2
#pragma config WRT = OFF , PLLEN = OFF , STVREN = ON , LVP = OFF
#include <xc.h>
#define _XTAL_FREQ 8000000
#define LCD_ADD 0x7C
char moji[] = "Hello,World!";
char moji2[] = "PIC16F1827";
void I2C_Master_Init(const unsigned long c){
SSP1CON1 = 0b00101000;
SSP1CON2 = 0;
SSP1ADD = 19; // (_XTAL_FREQ / (4*c))-1;
SSP1STAT = 0b00000000 ; // 標準速度モードに設定する(100kHz)
}
void I2C_Master_Wait(){
while ((SSP1STAT & 0x04) || (SSP1CON2 & 0x1F));
}
void I2C_Master_Start(){
I2C_Master_Wait();
SSP1CON2bits.SEN = 1;
}
void I2C_Master_Stop(){
I2C_Master_Wait();
SSP1CON2bits.PEN = 1;
}
void I2C_Master_Write(unsigned char d){
I2C_Master_Wait();
SSP1BUF = d;
}
void writeData(char t_data){
I2C_Master_Start();
I2C_Master_Write(LCD_ADD);
I2C_Master_Write(0x40);
I2C_Master_Write(t_data);
I2C_Master_Stop();
__delay_ms(10);
}
void writeCommand(char t_command){
I2C_Master_Start();
I2C_Master_Write(LCD_ADD);
I2C_Master_Write(0x00);
I2C_Master_Write(t_command);
I2C_Master_Stop();
__delay_ms(10);
}
void PICinit(){
OSCCON=0x72; // 8MHz
ANSELA=0x00;
ANSELB=0x00;
TRISA=0x00;
TRISB=0x12; // 0b00010010
PORTB=0x00;
}
void LCD_Init(){ //LCDの初期化
I2C_Master_Init(100000);
__delay_ms(400);
writeCommand(0x38);
__delay_ms(20);
writeCommand(0x39);
__delay_ms(20);
writeCommand(0x14);
__delay_ms(20);
writeCommand(0x73);
__delay_ms(20);
writeCommand(0x52);
__delay_ms(20);
writeCommand(0x6C);
__delay_ms(250);
writeCommand(0x38);
__delay_ms(20);
writeCommand(0x01);
__delay_ms(20);
writeCommand(0x0C);
__delay_ms(20);
}
void LCD_str(char *c) { //LCDに配列の文字を表示
unsigned char i,wk;
for (i=0 ; ; i++) {
wk = c[i];
if (wk == 0x00) {break;}
writeData(wk);
}
}
int main(void){
PICinit(); //PICを初期化
LCD_Init();
writeCommand(0x01); //画面をクリア
__delay_ms(20);
writeCommand(0x02); //ホームへカーソル移動
__delay_ms(2); // LCD側の処理待ち
while(1){
writeCommand(0x02); //ホームへカーソル移動
LCD_str(moji);
writeCommand(0x40+0x80); //2列目へ移動
__delay_ms(200);
LCD_str(moji2);
__delay_ms(1000);
writeCommand(0x01); //画面をクリア
__delay_ms(200);
}
return 0;
}
--------------------------------------------------------------------
//コピペで超簡単！PICマイコンでI2C接続のLCD（AQM1602）を使う【PIC16F1938】 | Wak-tech
// PIC16F1938 Configuration Bit Settings を改変した
// 'C' source line config statements
// CONFIG1
#pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin)
#pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled)
#pragma config PWRTE = ON // Power-up Timer Enable (PWRT disabled)
#pragma config MCLRE = ON // MCLR Pin Function Select (MCLR/VPP pin function is digital input)
#pragma config CP = OFF // Flash Program Memory Code Protection (Program memory code protection is disabled)
#pragma config CPD = OFF // Data Memory Code Protection (Data memory code protection is disabled)
#pragma config BOREN = OFF // Brown-out Reset Enable (Brown-out Reset disabled)
#pragma config CLKOUTEN = OFF // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin)
#pragma config IESO = OFF // Internal/External Switchover (Internal/External Switchover mode is disabled)
#pragma config FCMEN = OFF // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is disabled)
// CONFIG2
#pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off)
#pragma config PLLEN = OFF// PLL Enable (4x PLL disabled)
#pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset)
#pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.)
#pragma config LVP = OFF // Low-Voltage Programming Enable (Low-voltage programming enabled)
// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.
#include <xc.h>
#define _XTAL_FREQ 8000000
#define LCD_ADD 0x7C
char moji[] = "Hello, PIC World!";
char moji2[] = "Wak-tech";
void I2C_Master_Init(const unsigned long c)
{
SSPCON1 = 0b00101000;
SSPCON2 = 0;
SSPADD = (_XTAL_FREQ/(4*c))-1;
SSPSTAT = 0b00000000 ; // ????????????(100kHz)
}
void I2C_Master_Wait()
{
while ((SSPSTAT & 0x04) || (SSPCON2 & 0x1F));
}
void I2C_Master_Start()
{
I2C_Master_Wait();
SSP1CON2bits.SEN = 1;
}
void I2C_Master_RepeatedStart()
{
I2C_Master_Wait();
SSP1CON2bits.RSEN = 1;
}
void I2C_Master_Stop()
{
I2C_Master_Wait();
SSP1CON2bits.PEN = 1;
}
void I2C_Master_Write(unsigned d)
{
I2C_Master_Wait();
SSPBUF = d;
}
void writeData(char t_data){
I2C_Master_Start();
I2C_Master_Write(LCD_ADD);
I2C_Master_Write(0x40);
I2C_Master_Write(t_data);
I2C_Master_Stop();
__delay_ms(10);
}
void writeCommand(char t_command){
I2C_Master_Start();
I2C_Master_Write(LCD_ADD);
I2C_Master_Write(0x00);
I2C_Master_Write(t_command);
I2C_Master_Stop();
__delay_ms(10);
}
void PICinit(){
OSCCON = 0b01110000;
ANSELA = 0b00000000;
ANSELB = 0b00000000;
TRISA = 0b00000000;
TRISB = 0b00010010; // RB1,RB4 as input
PORTA = 0b00000000; //2????????
PORTB = 0x00; //16????????
}
void LCD_Init(){ //LCD????
I2C_Master_Init(100000);
__delay_ms(400);
writeCommand(0x38);
__delay_ms(20);
writeCommand(0x39);
__delay_ms(20);
writeCommand(0x14);
__delay_ms(20);
writeCommand(0x73);
__delay_ms(20);
writeCommand(0x52);
__delay_ms(20);
writeCommand(0x6C);
__delay_ms(250);
writeCommand(0x38);
__delay_ms(20);
writeCommand(0x01);
__delay_ms(20);
writeCommand(0x0C);
__delay_ms(20);
}
void LCD_str(char *c) { //LCD?????????
unsigned char i,wk;
for (i=0 ; ; i++) {
wk = c[i];
if (wk == 0x00) {break;}
writeData(wk);
}
}
int main(void){
PICinit(); //PIC????
LCD_Init();
writeCommand(0x01); //??????
__delay_ms(20);
writeCommand(0x02); //??????????
__delay_ms(2); // LCD??????
while(1){
writeCommand(0x02); //??????????
LCD_str(moji);
writeCommand(0x40+0x80); //2?????
__delay_ms(200);
LCD_str(moji2);
__delay_ms(1000);
writeCommand(0x01); //??????
__delay_ms(200);
}
return 0;
}
