code lcd in c and with heptagon
parent
ad83ae83e4
commit
e4e2aa095e
@ -1,2 +1,8 @@
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fun dwrite(p:int; v:bool) returns ()
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type uint8_t = int
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fun dinit() returns ()
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fun lcd_init() returns ()
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fun lcd_write(info:uint8_t) returns ()
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fun lcd_cmd(cmd:uint8_t) returns ()
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fun lcd_char(char_data:uint8_t) returns ()
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fun lcd_string (lstring:uint8_t) returns ()
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@ -1 +1,67 @@
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#include "arduinolib_types.h"
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/* LCD with 4 bit mode for an ATMEGA32P processor
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_ LCD _ _ ATMEGA32P (arduino)_
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1 VSS -> GND
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2 VDD -> +5V
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3 V0 -> Potentiometer
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4 RS -> PortB4 (Pin 12 arduino)
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5 RW -> GND
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6 E -> PortB3 (Pin 11 arduino)
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(7 - 10) -> ...
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11 D4 -> PortD5 (Pin 5 arduino)
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12 D5 -> PortD4 (Pin 4 arduino)
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13 D6 -> PortD3 (Pin 3 arduino)
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14 D7 -> PortD2 (Pin 2 arduino)
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15 A -> +5v with resistor
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16 K -> GND
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*/
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// LCD display size
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#define LCD_START_LINE1 0x00
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#define LCD_START_LINE2 0x40
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// LCD ports/pins/ddr
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#define LCD_RS_PORT PORTB
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#define LCD_RS_PIN 4
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#define LCD_RS_DDR DDRB
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#define LCD_E_PORT PORTB
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#define LCD_E_PIN 3
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#define LCD_E_DDR DDRB
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#define LCD_D4_PORT PORTD
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#define LCD_D4_PIN 5
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#define LCD_D4_DDR DDRD
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#define LCD_D5_PORT PORTD
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#define LCD_D5_PIN 4
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#define LCD_D5_DDR DDRD
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#define LCD_D6_PORT PORTD
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#define LCD_D6_PIN 3
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#define LCD_D6_DDR DDRD
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#define LCD_D7_PORT PORTD
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#define LCD_D7_PIN 2
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#define LCD_D7_DDR DDRD
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//LCD instructions (see LCD-1602A datasheet)
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#define LCD_CLEAR 0b00000001
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#define LCD_HOME 0b00000010
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#define LCD_ENTRY_MODE 0b00000110
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#define LCD_DISPLAY_ON 0b00001100
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#define LCD_DISPLAY_OFF 0b00001000
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#define LCD_CURSOR_SET 0b10000000
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#define LCD_FUNCTION_SET_8bit 0b00110000
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#define LCD_FUNCTION_SET_4bit 0b00101000
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// Functions
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/*void dinit(void);
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void lcd_init(void);
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void lcd_write(uint8_t);
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void lcd_cmd(uint8_t);
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void lcd_char(uint8_t);
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void lcd_string(uint8_t *);*/
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@ -1,11 +1,44 @@
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#ifndef ARDUINOLIB_H
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#define ARDUINOLIB_H
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//#include "Arduino.h"
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//#include "WConstants.h"
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/* Example of a combinatorial function */
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typedef struct Arduinolib__dwrite {
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} Arduinolib__dwrite_out;
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void Arduinolib__dwrite_step(int p, int v,Arduinolib__dwrite_out *o);
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//typedef struct string {
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// const char *msg
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//} Arduinolib__string_out;
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#endif
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typedef struct byte_out {
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uint8_t value ;
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} byte_out ;
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typedef byte_out Arduinolib__bitOr_out ;
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typedef struct Arduinolib__dinit {
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} Arduinolib__dinit_out;
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typedef struct Arduinolib__lcd_init {
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} Arduinolib__lcd_init_out;
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typedef struct Arduinolib__lcd_write {
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} Arduinolib__lcd_write_out;
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typedef struct Arduinolib__lcd_cmd {
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} Arduinolib__lcd_cmd_out;
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typedef struct Arduinolib__lcd_char {
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} Arduinolib__lcd_char_out;
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typedef struct Arduinolib__lcd_string {
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} Arduinolib__lcd_string_out;
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void Arduinolib__dinit_step(Arduinolib__dinit_out *o);
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void Arduinolib__lcd_init_step(Arduinolib__lcd_init_out *o);
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void Arduinolib__lcd_write_step(uint8_t info, Arduinolib__lcd_write_out *o);
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void Arduinolib__lcd_cmd_step(uint8_t cmd, Arduinolib__lcd_cmd_out *o);
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void Arduinolib__lcd_char_step(uint8_t char_data, Arduinolib__lcd_char_out *o);
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void Arduinolib__lcd_string_step(uint8_t lstring[], Arduinolib__lcd_string_out *o);
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#endif
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Binary file not shown.
@ -0,0 +1,37 @@
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CC = avr-gcc
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OBJCOPY = avr-objcopy
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AVRDUDE = avrdude
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CFLAGS = -Os -DF_CPU=16000000UL -mmcu=atmega328p
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SERIAL = /dev/cu.usbmodem141401
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ADDR = $(shell heptc -where)/c
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TARGET = lcd
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.PHONY: all clean flash
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all: $(TARGET).hex
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flash: $(TARGET).hex
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$(AVRDUDE) -F -V -c arduino -p ATMEGA328P -P $(SERIAL) -b 115200 \
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-U flash:w:$<
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$(TARGET).hex: $(TARGET)
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$(OBJCOPY) -O ihex -R .eeprom $< $@
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$(TARGET): $(TARGET).o
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$(CC) $(CFLAGS) -o $@ *.o
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$(TARGET).o : $(TARGET).c
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$(CC) -g $(CFLAGS) -c -I $(ADDR) -I . $(TARGET).c
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clean:
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rm -f $(TARGET) $(TARGET).hex $(TARGET).o $(TARGET).log $(TARGET).mls
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rm -f *.o *.epci *.hex
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rm -r $(TARGET)_c
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@ -0,0 +1,130 @@
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#include "lcd_definitions.h"
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/* Configure the pins of arduino */
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void dinit(void){
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//control
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LCD_E_DDR |= (1 << LCD_E_PIN);
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LCD_RS_DDR |= (1 << LCD_RS_PIN);
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//data
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LCD_D4_DDR |= (1 << LCD_D4_PIN);
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LCD_D5_DDR |= (1 << LCD_D5_PIN);
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LCD_D6_DDR |= (1 << LCD_D6_PIN);
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LCD_D7_DDR |= (1 << LCD_D7_PIN);
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}
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/* Initialize the LCD as described in the datasheet */
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void lcd_init(void){
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_delay_ms(50); //power delay more than 15ms
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LCD_RS_PORT &= ~(1 << LCD_RS_PIN); //RS to low
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LCD_E_PORT &= ~(1 << LCD_E_PIN); //E to low
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// "reboot process"
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lcd_write(LCD_FUNCTION_SET_8bit);
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_delay_ms(10); //more than 4.1ms
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lcd_write(LCD_FUNCTION_SET_8bit);
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_delay_us(200); //more than 100us
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lcd_write(LCD_FUNCTION_SET_8bit);
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_delay_us(200); //more than 100us
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//set to 4bit
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lcd_write(LCD_FUNCTION_SET_4bit);
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_delay_us(80); //more than 39us
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lcd_cmd(LCD_FUNCTION_SET_4bit);
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_delay_us(80); //more than 39us
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//send instructions
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lcd_cmd(LCD_DISPLAY_OFF);
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_delay_us(80); //more than 39us
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lcd_cmd(LCD_CLEAR);
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_delay_ms(3); //more than 1.53 ms
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lcd_cmd(LCD_ENTRY_MODE);
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_delay_us(80); //more than 39us
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lcd_cmd(LCD_DISPLAY_ON);
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_delay_us(80); //more than 39us
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}
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/* send an 8bit information to the LCD register in order to be written */
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void lcd_write(uint8_t info){
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//(info & 1 << 4) ? LCD_D4_PORT |= (1 << LCD_D4_PIN) : LCD_D4_PORT &= ~(1 << LCD_D4_PIN)
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if (info & 1<<4){
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LCD_D4_PORT |= (1 << LCD_D4_PIN);
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}
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else {
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LCD_D4_PORT &= ~(1 << LCD_D4_PIN);
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}
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if (info & 1<<5){
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LCD_D5_PORT |= (1 << LCD_D5_PIN);
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}
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else {
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LCD_D5_PORT &= ~(1 << LCD_D5_PIN);
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}
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if (info & 1<<6){
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LCD_D6_PORT |= (1 << LCD_D6_PIN);
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}
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else {
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LCD_D6_PORT &= ~(1 << LCD_D6_PIN);
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}
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if (info & 1<<7){
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LCD_D7_PORT |= (1 << LCD_D7_PIN);
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}
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else {
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LCD_D7_PORT &= ~(1 << LCD_D7_PIN);
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}
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//pulse the Enable pin to indicate we have written the data
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LCD_E_PORT |= (1 << LCD_E_PIN); //high
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_delay_us(1);
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LCD_E_PORT &= ~(1 << LCD_E_PIN); //low
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_delay_us(1);
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}
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/* send an 8bit instruction to the LCD instruction register */
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void lcd_cmd(uint8_t cmd){
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LCD_RS_PORT &= ~(1 << LCD_RS_PIN); //low
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LCD_E_PORT &= ~(1 << LCD_E_PIN); //low
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lcd_write(cmd); // upper 4 bits
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lcd_write(cmd << 4); // lower 4 bits
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}
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/* send an 8bit data character to the LCD register */
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void lcd_char(uint8_t char_data){
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LCD_RS_PORT |= (1 << LCD_RS_PIN); //high
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LCD_E_PORT &= ~(1 << LCD_E_PIN); //low
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lcd_write(char_data); // upper 4 bits
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lcd_write(char_data << 4); // lower 4 bits
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}
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/* give a string to display to the LCD */
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void lcd_string(uint8_t lstring[]){
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//uint8_t lstring = atoi(message);
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volatile int i = 0;
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for (i = 0; lstring[i] != 0 ; i++) {
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lcd_char(lstring[i]);
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_delay_us(80); //more than 39us
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}
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}
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uint8_t msg[] = "Arduino";
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uint8_t msg2[] = "Hello world";
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int main(void) {
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dinit();
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lcd_init();
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lcd_string(msg);
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lcd_cmd(LCD_CURSOR_SET | LCD_START_LINE2);
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_delay_us(80); // more than 39us
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lcd_string(msg2);
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while(1);
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return 0;
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}
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@ -0,0 +1,68 @@
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#include <avr/io.h>
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#include <util/delay.h>
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/* LCD with 4 bit mode for an ATMEGA32P processor
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_ LCD _ _ ATMEGA32P (arduino)_
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1 VSS -> GND
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2 VDD -> +5V
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3 V0 -> Potentiometer
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4 RS -> PortB4 (Pin 12 arduino)
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5 RW -> GND
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6 E -> PortB3 (Pin 11 arduino)
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(7 - 10) -> ...
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11 D4 -> PortD5 (Pin 5 arduino)
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12 D5 -> PortD4 (Pin 4 arduino)
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13 D6 -> PortD3 (Pin 3 arduino)
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14 D7 -> PortD2 (Pin 2 arduino)
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15 A -> +5v with resistor
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16 K -> GND
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*/
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// LCD display size
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#define LCD_START_LINE1 0x00
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#define LCD_START_LINE2 0x40
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// LCD ports/pins/ddr
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#define LCD_RS_PORT PORTB
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#define LCD_RS_PIN 4
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#define LCD_RS_DDR DDRB
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#define LCD_E_PORT PORTB
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#define LCD_E_PIN 3
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#define LCD_E_DDR DDRB
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#define LCD_D4_PORT PORTD
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#define LCD_D4_PIN 5
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#define LCD_D4_DDR DDRD
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#define LCD_D5_PORT PORTD
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#define LCD_D5_PIN 4
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#define LCD_D5_DDR DDRD
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#define LCD_D6_PORT PORTD
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#define LCD_D6_PIN 3
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#define LCD_D6_DDR DDRD
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#define LCD_D7_PORT PORTD
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#define LCD_D7_PIN 2
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#define LCD_D7_DDR DDRD
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//LCD instructions (see LCD-1602A datasheet)
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#define LCD_CLEAR 0b00000001
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#define LCD_HOME 0b00000010
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#define LCD_ENTRY_MODE 0b00000110
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#define LCD_DISPLAY_ON 0b00001100
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#define LCD_DISPLAY_OFF 0b00001000
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#define LCD_CURSOR_SET 0b10000000
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#define LCD_FUNCTION_SET_8bit 0b00110000
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#define LCD_FUNCTION_SET_4bit 0b00101000
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// Functions
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void dinit(void);
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void lcd_init(void);
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void lcd_write(uint8_t);
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void lcd_cmd(uint8_t);
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void lcd_char(uint8_t);
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void lcd_string(uint8_t *);
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Binary file not shown.
@ -0,0 +1,42 @@
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CC = avr-gcc
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OBJCOPY = avr-objcopy
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AVRDUDE = avrdude
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CFLAGS = -Os -DF_CPU=16000000UL -mmcu=atmega328p
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SERIAL = /dev/cu.usbmodem143401
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ADDR = $(shell heptc -where)/c
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TARGET = prog
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LIB = arduinolib
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MAIN = main
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.PHONY: all clean flash
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all: $(TARGET).hex
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flash: $(TARGET).hex
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$(AVRDUDE) -F -V -c arduino -p ATMEGA328P -P $(SERIAL) -b 115200 \
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-U flash:w:$<
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$(TARGET).hex: $(TARGET)
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$(OBJCOPY) -O ihex -R .eeprom $< $@
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$(TARGET): $(TARGET).o
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$(CC) $(CFLAGS) -o $@ *.o
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$(TARGET).o : $(TARGET).c
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$(CC) -g $(CFLAGS) -c -I $(ADDR) -I . $(LIB).c $(TARGET)_c/*.c $(MAIN).c
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$(TARGET).c:
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heptc $(LIB).epi
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heptc -target c $(TARGET).ept
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clean:
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rm -f $(TARGET) $(TARGET).hex $(TARGET).o $(TARGET).log $(TARGET).mls
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rm -f *.o *.epci
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rm -r $(TARGET)_c
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//#include <math.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "arduinolib.h"
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//#include "HardwareSerial.h"
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void Arduinolib__dwrite_step(int p, int v, Arduinolib__dwrite_out *out){
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/* set pin 5 of PORTB for output. i.e port 13 */
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if (p == 13){
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DDRC |= _BV(DDD7);
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if (v == 0)
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{
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PORTD &= ~(1<<PORTD7);
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//PORTB &= ~_BV(PORTB5); //put it to low
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return;
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}
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PORTD |= (1<<PORTD7);
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//PORTB |= _BV(PORTB5);
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return;
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}
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DDRD |= _BV(DDD5);
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if (v == 0)
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{
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PORTD &= ~(1<<PORTD5);
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//PORTB &= ~_BV(PORTB4); //put it to low
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return;
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}
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PORTD |= (1<<PORTD5);
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//PORTB |= _BV(PORTB4);
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return;
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}
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fun dwrite(p:int; v:bool) returns ()
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#include "arduinolib_types.h"
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#ifndef ARDUINOLIB_H
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#define ARDUINOLIB_H
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//#include "Arduino.h"
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//#include "WConstants.h"
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/* Example of a combinatorial function */
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typedef struct Arduinolib__dwrite {
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} Arduinolib__dwrite_out;
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void Arduinolib__dwrite_step(int p, int v,Arduinolib__dwrite_out *o);
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#endif
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#include <avr/io.h>
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#include <util/delay.h>
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#include "main.h"
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//#define BLINK_DELAY_MS 4000
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int main (void)
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{
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Prog__main_mem mem;
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Prog__main_reset(&mem);
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while(1){
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Prog__main_out _res;
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Prog__main_step(&_res, &mem);
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_delay_ms(1000);
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}
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return 0;
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}
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#ifndef MAIN_H
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#define MAIN_H
|
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#include "prog_c/prog.h"
|
||||
#endif
|
||||
@ -0,0 +1,24 @@
|
||||
open Arduinolib
|
||||
|
||||
node led<<period, ledMax : int; opin : int>>() returns ()
|
||||
var i : int;
|
||||
ledTime : int;
|
||||
upt : bool;
|
||||
downt : bool;
|
||||
|
||||
let
|
||||
i = 0 fby (i+1);
|
||||
ledTime = i % period;
|
||||
upt = ledTime < ledMax;
|
||||
downt = not upt;
|
||||
|
||||
() = dwrite((opin, true) when upt);
|
||||
() = dwrite((opin, false) when downt);
|
||||
tel
|
||||
|
||||
node main() returns ()
|
||||
let
|
||||
() = led<<3, 1, 13>>();
|
||||
() = led<<4, 2, 9>>();
|
||||
tel
|
||||
|
||||
@ -1,24 +1,10 @@
|
||||
open Arduinolib
|
||||
|
||||
node led<<period, ledMax : int; opin : int>>() returns ()
|
||||
var i : int;
|
||||
ledTime : int;
|
||||
upt : bool;
|
||||
downt : bool;
|
||||
|
||||
let
|
||||
i = 0 fby (i+1);
|
||||
ledTime = i % period;
|
||||
upt = ledTime < ledMax;
|
||||
downt = not upt;
|
||||
|
||||
() = dwrite((opin, true) when upt);
|
||||
() = dwrite((opin, false) when downt);
|
||||
tel
|
||||
|
||||
node main() returns ()
|
||||
let
|
||||
() = led<<4, 2, 13>>();
|
||||
() = led<<3, 1, 9>>();
|
||||
var i : int;
|
||||
let
|
||||
i = 0 fby (i+1);
|
||||
() = dinit();
|
||||
() = lcd_init();
|
||||
tel
|
||||
|
||||
|
||||
Loading…
Reference in New Issue