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paul
2026-01-18 18:40:08 -05:00
parent 456d95eff6
commit bbfdc3558f
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55
DEV_Config.cpp Normal file
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/*****************************************************************************
* | File : DEV_Config.c
* | Author : Waveshare team
* | Function : Hardware underlying interface
* | Info :
* Used to shield the underlying layers of each master
* and enhance portability
*----------------
* | This version: V1.0
* | Date : 2018-11-22
* | Info :
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "DEV_Config.h"
void GPIO_Init()
{
pinMode(DEV_CS_PIN, OUTPUT);
pinMode(DEV_RST_PIN, OUTPUT);
pinMode(DEV_DC_PIN, OUTPUT);
pinMode(DEV_BL_PIN, OUTPUT);
analogWrite(DEV_BL_PIN,140);
}
void Config_Init()
{
GPIO_Init();
//Serial
Serial.begin(115200);
//spi
SPI.setDataMode(SPI_MODE3);
SPI.setBitOrder(MSBFIRST);
SPI.setClockDivider(SPI_CLOCK_DIV2);
SPI.begin();
}

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/*****************************************************************************
* | File : DEV_Config.c
* | Author : Waveshare team
* | Function : Hardware underlying interface
* | Info :
* Used to shield the underlying layers of each master
* and enhance portability
*----------------
* | This version: V1.0
* | Date : 2018-11-22
* | Info :
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#ifndef _DEV_CONFIG_H_
#define _DEV_CONFIG_H_
#include <stdint.h>
#include <stdio.h>
#include <SPI.h>
#include "Debug.h"
#include <avr/pgmspace.h>
#define UBYTE uint8_t
#define UWORD uint16_t
#define UDOUBLE uint32_t
/**
* GPIO config
**/
#define DEV_CS_PIN 10
#define DEV_DC_PIN 7
#define DEV_RST_PIN 8
#define DEV_BL_PIN 9
/**
* GPIO read and write
**/
#define DEV_Digital_Write(_pin, _value) digitalWrite(_pin, _value == 0? LOW:HIGH)
#define DEV_Digital_Read(_pin) digitalRead(_pin)
/**
* SPI
**/
#define DEV_SPI_WRITE(_dat) SPI.transfer(_dat)
/**
* delay x ms
**/
#define DEV_Delay_ms(__xms) delay(__xms)
/**
* PWM_BL
**/
#define DEV_Set_PWM(_Value) analogWrite(DEV_BL_PIN, _Value)
/*-----------------------------------------------------------------------------*/
void Config_Init();
#endif

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/*****************************************************************************
* | File : LCD_Driver.c
* | Author : Waveshare team
* | Function : LCD driver
* | Info :
*----------------
* | This version: V1.0
* | Date : 2018-12-18
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "LCD_Driver.h"
/*******************************************************************************
function:
Hardware reset
*******************************************************************************/
static void LCD_Reset(void)
{
DEV_Delay_ms(200);
DEV_Digital_Write(DEV_RST_PIN, 0);
DEV_Delay_ms(200);
DEV_Digital_Write(DEV_RST_PIN, 1);
DEV_Delay_ms(200);
}
/*******************************************************************************
function:
Write data and commands
*******************************************************************************/
static void LCD_Write_Command(UBYTE data)
{
DEV_Digital_Write(DEV_CS_PIN, 0);
DEV_Digital_Write(DEV_DC_PIN, 0);
DEV_SPI_WRITE(data);
}
static void LCD_WriteData_Byte(UBYTE data)
{
DEV_Digital_Write(DEV_CS_PIN, 0);
DEV_Digital_Write(DEV_DC_PIN, 1);
DEV_SPI_WRITE(data);
DEV_Digital_Write(DEV_CS_PIN,1);
}
void LCD_WriteData_Word(UWORD data)
{
DEV_Digital_Write(DEV_CS_PIN, 0);
DEV_Digital_Write(DEV_DC_PIN, 1);
DEV_SPI_WRITE((data>>8) & 0xff);
DEV_SPI_WRITE(data);
DEV_Digital_Write(DEV_CS_PIN, 1);
}
/******************************************************************************
function:
Common register initialization
******************************************************************************/
void LCD_Init(void)
{
LCD_Reset();
LCD_Write_Command(0x11); //Sleep out
LCD_Write_Command(0xCF);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(0xC1);
LCD_WriteData_Byte(0X30);
LCD_Write_Command(0xED);
LCD_WriteData_Byte(0x64);
LCD_WriteData_Byte(0x03);
LCD_WriteData_Byte(0X12);
LCD_WriteData_Byte(0X81);
LCD_Write_Command(0xE8);
LCD_WriteData_Byte(0x85);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(0x79);
LCD_Write_Command(0xCB);
LCD_WriteData_Byte(0x39);
LCD_WriteData_Byte(0x2C);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(0x34);
LCD_WriteData_Byte(0x02);
LCD_Write_Command(0xF7);
LCD_WriteData_Byte(0x20);
LCD_Write_Command(0xEA);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(0x00);
LCD_Write_Command(0xC0); //Power control
LCD_WriteData_Byte(0x1D); //VRH[5:0]
LCD_Write_Command(0xC1); //Power control
LCD_WriteData_Byte(0x12); //SAP[2:0];BT[3:0]
LCD_Write_Command(0xC5); //VCM control
LCD_WriteData_Byte(0x33);
LCD_WriteData_Byte(0x3F);
LCD_Write_Command(0xC7); //VCM control
LCD_WriteData_Byte(0x92);
LCD_Write_Command(0x3A); // Memory Access Control
LCD_WriteData_Byte(0x55);
LCD_Write_Command(0x36); // Memory Access Control
LCD_WriteData_Byte(0x08);
LCD_Write_Command(0xB1);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(0x12);
LCD_Write_Command(0xB6); // Display Function Control
LCD_WriteData_Byte(0x0A);
LCD_WriteData_Byte(0xA2);
LCD_Write_Command(0x44);
LCD_WriteData_Byte(0x02);
LCD_Write_Command(0xF2); // 3Gamma Function Disable
LCD_WriteData_Byte(0x00);
LCD_Write_Command(0x26); //Gamma curve selected
LCD_WriteData_Byte(0x01);
LCD_Write_Command(0xE0); //Set Gamma
LCD_WriteData_Byte(0x0F);
LCD_WriteData_Byte(0x22);
LCD_WriteData_Byte(0x1C);
LCD_WriteData_Byte(0x1B);
LCD_WriteData_Byte(0x08);
LCD_WriteData_Byte(0x0F);
LCD_WriteData_Byte(0x48);
LCD_WriteData_Byte(0xB8);
LCD_WriteData_Byte(0x34);
LCD_WriteData_Byte(0x05);
LCD_WriteData_Byte(0x0C);
LCD_WriteData_Byte(0x09);
LCD_WriteData_Byte(0x0F);
LCD_WriteData_Byte(0x07);
LCD_WriteData_Byte(0x00);
LCD_Write_Command(0XE1); //Set Gamma
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(0x23);
LCD_WriteData_Byte(0x24);
LCD_WriteData_Byte(0x07);
LCD_WriteData_Byte(0x10);
LCD_WriteData_Byte(0x07);
LCD_WriteData_Byte(0x38);
LCD_WriteData_Byte(0x47);
LCD_WriteData_Byte(0x4B);
LCD_WriteData_Byte(0x0A);
LCD_WriteData_Byte(0x13);
LCD_WriteData_Byte(0x06);
LCD_WriteData_Byte(0x30);
LCD_WriteData_Byte(0x38);
LCD_WriteData_Byte(0x0F);
LCD_Write_Command(0x29); //Display on
}
/******************************************************************************
function: Set the cursor position
parameter :
Xstart: Start UWORD x coordinate
Ystart: Start UWORD y coordinate
Xend : End UWORD coordinates
Yend : End UWORD coordinatesen
******************************************************************************/
void LCD_SetWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
{
LCD_Write_Command(0x2a);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(Xstart & 0xff);
LCD_WriteData_Byte((Xend - 1) >> 8);
LCD_WriteData_Byte((Xend - 1) & 0xff);
LCD_Write_Command(0x2b);
LCD_WriteData_Byte(0x00);
LCD_WriteData_Byte(Ystart & 0xff);
LCD_WriteData_Byte((Yend - 1) >> 8);
LCD_WriteData_Byte((Yend - 1) & 0xff);
LCD_Write_Command(0x2C);
}
/******************************************************************************
function: Settings window
parameter :
Xstart: Start UWORD x coordinate
Ystart: Start UWORD y coordinate
******************************************************************************/
void LCD_SetCursor(UWORD X, UWORD Y)
{
LCD_Write_Command(0x2a);
LCD_WriteData_Byte(X >> 8);
LCD_WriteData_Byte(X);
LCD_WriteData_Byte(X >> 8);
LCD_WriteData_Byte(X);
LCD_Write_Command(0x2b);
LCD_WriteData_Byte(Y >> 8);
LCD_WriteData_Byte(Y);
LCD_WriteData_Byte(Y >> 8);
LCD_WriteData_Byte(Y);
LCD_Write_Command(0x2C);
}
/******************************************************************************
function: Clear screen function, refresh the screen to a certain color
parameter :
Color : The color you want to clear all the screen
******************************************************************************/
void LCD_Clear(UWORD Color)
{
unsigned int i,j;
LCD_SetWindow(0, 0, LCD_WIDTH, LCD_HEIGHT);
DEV_Digital_Write(DEV_DC_PIN, 1);
for(i = 0; i < LCD_WIDTH; i++){
for(j = 0; j < LCD_HEIGHT; j++){
DEV_SPI_WRITE((Color>>8)&0xff);
DEV_SPI_WRITE(Color);
}
}
}
/******************************************************************************
function: Refresh a certain area to the same color
parameter :
Xstart: Start UWORD x coordinate
Ystart: Start UWORD y coordinate
Xend : End UWORD coordinates
Yend : End UWORD coordinates
color : Set the color
******************************************************************************/
void LCD_ClearWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend,UWORD color)
{
UWORD i,j;
LCD_SetWindow(Xstart, Ystart, Xend-1,Yend-1);
for(i = Ystart; i <= Yend-1; i++){
for(j = Xstart; j <= Xend-1; j++){
LCD_WriteData_Word(color);
}
}
}
/******************************************************************************
function: Draw a point
parameter :
X : Set the X coordinate
Y : Set the Y coordinate
Color : Set the color
******************************************************************************/
void LCD_DrawPaint(UWORD x, UWORD y, UWORD Color)
{
LCD_SetCursor(x, y);
LCD_WriteData_Word(Color);
}

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/*****************************************************************************
* | File : LCD_Driver.h
* | Author : Waveshare team
* | Function : LCD driver
* | Info :
*----------------
* | This version: V1.0
* | Date : 2018-12-18
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#ifndef __LCD_DRIVER_H
#define __LCD_DRIVER_H
#include "DEV_Config.h"
#define LCD_WIDTH 240 //LCD width
#define LCD_HEIGHT 320 //LCD height
void LCD_WriteData_Word(UWORD da);
void LCD_SetCursor(UWORD X, UWORD Y);
void LCD_SetWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend);
void LCD_DrawPaint(UWORD x, UWORD y, UWORD Color);
void LCD_Init(void);
void LCD_SetBackLight(UWORD Value);
void LCD_Clear(UWORD Color);
void LCD_ClearWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend,UWORD color);
#endif

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#include <RTClib.h>
#include <SPI.h>
#include "LCD_Driver.h"
#include "GUI_Paint.h"
#include "image.h"
#include <Wire.h>
RTC_DS1307 rtc;
int DIGIT_SIZE = 40;
// Month + weekday names
const char* MONTH_NAMES[] = {
"January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
};
const char* WEEKDAY_NAMES[] = {
"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"
};
// ---------------------------
// DRAW HELPERS
// ---------------------------
void drawSegment(int x, int y, int w, int h, uint16_t color) {
Paint_DrawRectangle(x, y, x + w, y + h, color,
DOT_PIXEL_1X1, DRAW_FILL_FULL);
}
void drawDigit(int x, int y, int size, int digit, uint16_t color) {
int thick = size / 5;
int longSeg = size;
int wideSeg = size;
bool A=false, B=false, C=false, D=false, E=false, F=false, G=false;
switch (digit) {
case 0: A=B=C=D=E=F=true; break;
case 1: B=C=true; break;
case 2: A=B=G=E=D=true; break;
case 3: A=B=G=C=D=true; break;
case 4: F=G=B=C=true; break;
case 5: A=F=G=C=D=true; break;
case 6: A=F=G=E=C=D=true; break;
case 7: A=B=C=true; break;
case 8: A=B=C=D=E=F=G=true; break;
case 9: A=B=C=D=F=G=true; break;
}
if (A) drawSegment(x + thick, y, wideSeg, thick, color);
if (B) drawSegment(x + wideSeg + thick, y + thick, thick, longSeg, color);
if (C) drawSegment(x + wideSeg + thick, y + thick + longSeg + thick, thick, longSeg, color);
if (D) drawSegment(x + thick, y + 2*longSeg + 2*thick, wideSeg, thick, color);
if (E) drawSegment(x, y + thick + longSeg + thick, thick, longSeg, color);
if (F) drawSegment(x, y + thick, thick, longSeg, color);
if (G) drawSegment(x + thick, y + longSeg + thick, wideSeg, thick, color);
}
void drawColon(int x, int y, int size, uint16_t color) {
int dot = size / 5;
drawSegment(x, y + size/2 - 10, dot, dot, color);
drawSegment(x, y + size + 10, dot, dot, color);
}
// ---------------------------
// SETUP
// ---------------------------
void setup() {
Wire.begin();
rtc.begin();
// rtc.adjust(DateTime(F(__DATE__), F(__TIME__))); // run once if needed
Config_Init();
LCD_Init();
LCD_Clear(BLACK);
Paint_NewImage(LCD_WIDTH, LCD_HEIGHT, 90, BLACK);
Paint_Clear(BLACK);
Paint_DrawString_EN(30, 110, "Starting Up...", &Font24, BLACK, GREEN);
delay(1000);
Paint_Clear(BLACK);
}
// ---------------------------
// LOOP
// ---------------------------
void loop() {
static unsigned long lastUpdate = 0;
static char lastTime[16] = "";
if (millis() - lastUpdate >= 1000) {
lastUpdate = millis();
DateTime now = rtc.now();
// Convert to 12-hour format
int hour12 = now.hour();
if (hour12 == 0) hour12 = 12;
else if (hour12 > 12) hour12 -= 12;
char timebuf[16];
sprintf(timebuf, "%02d:%02d", hour12, now.minute());
// Build weekday + date strings
char weekdaybuf[16];
char datebuf[32];
sprintf(weekdaybuf, "%s", WEEKDAY_NAMES[now.dayOfTheWeek()]);
sprintf(datebuf, "%s %d, %d",
MONTH_NAMES[now.month() - 1],
now.day(),
now.year());
// Draw weekday + date (always update)
Paint_DrawString_EN(15, 160, weekdaybuf, &Font24, BLACK, WHITE);
Paint_DrawString_EN(15, 200, datebuf, &Font24, BLACK, WHITE);
// Only update digits that changed
if (strcmp(timebuf, lastTime) != 0) {
int size = DIGIT_SIZE;
// Extract digits
int h1 = hour12 / 10;
int h2 = hour12 % 10;
int m1 = now.minute() / 10;
int m2 = now.minute() % 10;
// HOUR tens
if (lastTime[0] != timebuf[0]) {
if (h1 == 0)
{
drawDigit(10, 20, size, h1, BLACK);
}
else
{
drawDigit(10, 20, size, lastTime[0] - '0', BLACK);
drawDigit(10, 20, size, h1, WHITE);
}
}
// HOUR ones
if (lastTime[1] != timebuf[1]) {
drawDigit(10 + size + 30, 20, size, lastTime[1] - '0', BLACK);
drawDigit(10 + size + 30, 20, size, h2, WHITE);
}
// COLON (always drawn)
Paint_DrawRectangle(10 + 2*(size + 35), 50,
10 + 2*(size + 35) + 10, 60,
WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawRectangle(10 + 2*(size + 35), 100,
10 + 2*(size + 35) + 10, 110,
WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
// MIN tens
if (lastTime[3] != timebuf[3]) {
drawDigit(10 + 2*(size + 30) + 30, 20, size, lastTime[3] - '0', BLACK);
drawDigit(10 + 2*(size + 30) + 30, 20, size, m1, WHITE);
}
// MIN ones
if (lastTime[4] != timebuf[4]) {
drawDigit(10 + 3*(size + 30) + 30, 20, size, lastTime[4] - '0', BLACK);
drawDigit(10 + 3*(size + 30) + 30, 20, size, m2, WHITE);
}
strcpy(lastTime, timebuf);
}
}
}