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esp_time/epd.cpp

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Initial import after n embarassing credentials incidient :)
2019-11-22 19:34:26 +11:00
/*********************************************************************************************************
*
* File : epd.c
* Hardware Environment:
* Build Environment : RealView MDK-ARM Version: 4.74
* Version : V1.0
* By : V
*
* (c) Copyright 2005-2014, WaveShare
* http://www.waveshare.net
* All Rights Reserved
*
*********************************************************************************************************/
#include "epd.h"
#include <Arduino.h>
#include <SoftwareSerial.h>
const int wake_up = D7;
const int reset = D8;
SoftwareSerial mySerial(D5,D6);
/*
command define
*/
static const unsigned char _cmd_handshake[8] = {0xA5, 0x00, 0x09, CMD_HANDSHAKE, 0xCC, 0x33, 0xC3, 0x3C}; //CMD_HANDSHAKE
static const unsigned char _cmd_read_baud[8] = {0xA5, 0x00, 0x09, CMD_READ_BAUD, 0xCC, 0x33, 0xC3, 0x3C}; //CMD_READ_BAUD
static const unsigned char _cmd_stopmode[8] = {0xA5, 0x00, 0x09, CMD_STOPMODE, 0xCC, 0x33, 0xC3, 0x3C}; //CMD_STOPMODE
static const unsigned char _cmd_update[8] = {0xA5, 0x00, 0x09, CMD_UPDATE, 0xCC, 0x33, 0xC3, 0x3C}; //CMD_UPDATE
static const unsigned char _cmd_load_font[8] = {0xA5, 0x00, 0x09, CMD_LOAD_FONT, 0xCC, 0x33, 0xC3, 0x3C}; //CMD_LOAD_FONT
static const unsigned char _cmd_load_pic[8] = {0xA5, 0x00, 0x09, CMD_LOAD_PIC, 0xCC, 0x33, 0xC3, 0x3C}; //CMD_LOAD_PIC
static unsigned char _cmd_buff[CMD_SIZE];
/*
private function
*/
static void _putchars(const unsigned char * ptr, int n);
static unsigned char _verify(const void * ptr, int n);
/*******************************************************************************
* Function Name : static void _putchars(const unsigned char * ptr, int n)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
static void _putchars(const unsigned char * ptr, int n)
{
int i, x;
for(i = 0; i < n; i++)
{
x = ptr[i];
mySerial.write(x);
}
}
/*******************************************************************************
* Function Name : static unsigned char _verify(const void * ptr, int n)
* Description :
* Input : ptr
n
* Output : None
* Return :
*******************************************************************************/
static unsigned char _verify(const void * ptr, int n)
{
int i;
unsigned char * p = (unsigned char *)ptr;
unsigned char result;
for(i = 0, result = 0; i < n; i++)
{
result ^= p[i];
}
return result;
}
/*******************************************************************************
* Function Name : void epd_init(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_init(void)
{
mySerial.begin(115200);
pinMode(wake_up, OUTPUT);
digitalWrite(wake_up, LOW);
pinMode(reset, OUTPUT);
digitalWrite(reset, LOW);
}
/*******************************************************************************
* Function Name : void epd_reset(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_reset(void)
{
digitalWrite(reset, LOW);
delayMicroseconds(1000);
digitalWrite(reset, HIGH);
delayMicroseconds(5000);
digitalWrite(reset, LOW);
delay(3000);
}
/*******************************************************************************
* Function Name : void epd_init(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_wakeup(void)
{
digitalWrite(wake_up, LOW);
delayMicroseconds(1000);
digitalWrite(wake_up, HIGH);
delayMicroseconds(50000);
digitalWrite(wake_up, LOW);
delay(10);
}
/*******************************************************************************
* Function Name : void epd_handshake(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_handshake(void)
{
memcpy(_cmd_buff, _cmd_handshake, 8);
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_set_baud(long baud)
* Description : set uart baud
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_set_baud(long baud)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0D;
_cmd_buff[3] = CMD_SET_BAUD;
_cmd_buff[4] = (baud >> 24) & 0xFF;
_cmd_buff[5] = (baud >> 16) & 0xFF;
_cmd_buff[6] = (baud >> 8) & 0xFF;
_cmd_buff[7] = baud & 0xFF;
_cmd_buff[8] = FRAME_E0;
_cmd_buff[9] = FRAME_E1;
_cmd_buff[10] = FRAME_E2;
_cmd_buff[11] = FRAME_E3;
_cmd_buff[12] = _verify(_cmd_buff, 12);
_putchars(_cmd_buff, 13);
delay(10);
mySerial.begin(baud);
}
/*******************************************************************************
* Function Name : void epd_read_baud(void)
* Description : read uart baud
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_read_baud(void)
{
memcpy(_cmd_buff, _cmd_read_baud, 8);
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_set_memory(unsigned char mode)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_set_memory(unsigned char mode)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = CMD_MEMORYMODE;
_cmd_buff[4] = mode;
_cmd_buff[5] = FRAME_E0;
_cmd_buff[6] = FRAME_E1;
_cmd_buff[7] = FRAME_E2;
_cmd_buff[8] = FRAME_E3;
_cmd_buff[9] = _verify(_cmd_buff, 9);
_putchars(_cmd_buff, 10);
}
/*******************************************************************************
* Function Name : void epd_enter_stopmode(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_enter_stopmode(void)
{
memcpy(_cmd_buff, _cmd_stopmode, 8);
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_update(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_update(void)
{
memcpy(_cmd_buff, _cmd_update, 8);
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_screen_rotation(unsigned char mode)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_screen_rotation(unsigned char mode)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = CMD_SCREEN_ROTATION;
_cmd_buff[4] = mode;
_cmd_buff[5] = FRAME_E0;
_cmd_buff[6] = FRAME_E1;
_cmd_buff[7] = FRAME_E2;
_cmd_buff[8] = FRAME_E3;
_cmd_buff[9] = _verify(_cmd_buff, 9);
_putchars(_cmd_buff, 10);
}
/*******************************************************************************
* Function Name : void epd_load_font(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_load_font(void)
{
memcpy(_cmd_buff, _cmd_load_font, 8);
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_load_pic(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_load_pic(void)
{
memcpy(_cmd_buff, _cmd_load_pic, 8);
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_set_color(unsigned char color, unsigned char bkcolor)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_set_color(unsigned char color, unsigned char bkcolor)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0B;
_cmd_buff[3] = CMD_SET_COLOR;
_cmd_buff[4] = color;
_cmd_buff[5] = bkcolor;
_cmd_buff[6] = FRAME_E0;
_cmd_buff[7] = FRAME_E1;
_cmd_buff[8] = FRAME_E2;
_cmd_buff[9] = FRAME_E3;
_cmd_buff[10] = _verify(_cmd_buff, 10);
_putchars(_cmd_buff, 11);
}
/*******************************************************************************
* Function Name : void epd_set_en_font(unsigned char font)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_set_en_font(unsigned char font)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = CMD_SET_EN_FONT;
_cmd_buff[4] = font;
_cmd_buff[5] = FRAME_E0;
_cmd_buff[6] = FRAME_E1;
_cmd_buff[7] = FRAME_E2;
_cmd_buff[8] = FRAME_E3;
_cmd_buff[9] = _verify(_cmd_buff, 9);
_putchars(_cmd_buff, 10);
}
/*******************************************************************************
* Function Name : void epd_set_ch_font(unsigned char font)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_set_ch_font(unsigned char font)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = CMD_SET_CH_FONT;
_cmd_buff[4] = font;
_cmd_buff[5] = FRAME_E0;
_cmd_buff[6] = FRAME_E1;
_cmd_buff[7] = FRAME_E2;
_cmd_buff[8] = FRAME_E3;
_cmd_buff[9] = _verify(_cmd_buff, 9);
_putchars(_cmd_buff, 10);
}
/*******************************************************************************
* Function Name : void epd_draw_pixel(int x0, int y0)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_draw_pixel(int x0, int y0)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0D;
_cmd_buff[3] = CMD_DRAW_PIXEL;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = FRAME_E0;
_cmd_buff[9] = FRAME_E1;
_cmd_buff[10] = FRAME_E2;
_cmd_buff[11] = FRAME_E3;
_cmd_buff[12] = _verify(_cmd_buff, 12);
_putchars(_cmd_buff, 13);
}
/*******************************************************************************
* Function Name : void epd_draw_line(int x0, int y0, int x1, int y1)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_draw_line(int x0, int y0, int x1, int y1)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x11;
_cmd_buff[3] = CMD_DRAW_LINE;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = (x1 >> 8) & 0xFF;
_cmd_buff[9] = x1 & 0xFF;
_cmd_buff[10] = (y1 >> 8) & 0xFF;
_cmd_buff[11] = y1 & 0xFF;
_cmd_buff[12] = FRAME_E0;
_cmd_buff[13] = FRAME_E1;
_cmd_buff[14] = FRAME_E2;
_cmd_buff[15] = FRAME_E3;
_cmd_buff[16] = _verify(_cmd_buff, 16);
_putchars(_cmd_buff, 17);
}
/*******************************************************************************
* Function Name : void epd_fill_rect(int x0, int y0, int x1, int y1)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_fill_rect(int x0, int y0, int x1, int y1)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x11;
_cmd_buff[3] = CMD_FILL_RECT;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = (x1 >> 8) & 0xFF;
_cmd_buff[9] = x1 & 0xFF;
_cmd_buff[10] = (y1 >> 8) & 0xFF;
_cmd_buff[11] = y1 & 0xFF;
_cmd_buff[12] = FRAME_E0;
_cmd_buff[13] = FRAME_E1;
_cmd_buff[14] = FRAME_E2;
_cmd_buff[15] = FRAME_E3;
_cmd_buff[16] = _verify(_cmd_buff, 16);
_putchars(_cmd_buff, 17);
}
/*******************************************************************************
* Function Name : void epd_draw_circle(int x0, int y0, int r)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_draw_circle(int x0, int y0, int r)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0F;
_cmd_buff[3] = CMD_DRAW_CIRCLE;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = (r >> 8) & 0xFF;
_cmd_buff[9] = r & 0xFF;
_cmd_buff[10] = FRAME_E0;
_cmd_buff[11] = FRAME_E1;
_cmd_buff[12] = FRAME_E2;
_cmd_buff[13] = FRAME_E3;
_cmd_buff[14] = _verify(_cmd_buff, 14);
_putchars(_cmd_buff, 15);
}
/*******************************************************************************
* Function Name : void epd_fill_circle(int x0, int y0, int r)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_fill_circle(int x0, int y0, int r)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0F;
_cmd_buff[3] = CMD_FILL_CIRCLE;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = (r >> 8) & 0xFF;
_cmd_buff[9] = r & 0xFF;
_cmd_buff[10] = FRAME_E0;
_cmd_buff[11] = FRAME_E1;
_cmd_buff[12] = FRAME_E2;
_cmd_buff[13] = FRAME_E3;
_cmd_buff[14] = _verify(_cmd_buff, 14);
_putchars(_cmd_buff, 15);
}
/*******************************************************************************
* Function Name : void epd_draw_triangle(int x0, int y0, int x1, int y1, int x2, int y2)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_draw_triangle(int x0, int y0, int x1, int y1, int x2, int y2)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x15;
_cmd_buff[3] = CMD_DRAW_TRIANGLE;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = (x1 >> 8) & 0xFF;
_cmd_buff[9] = x1 & 0xFF;
_cmd_buff[10] = (y1 >> 8) & 0xFF;
_cmd_buff[11] = y1 & 0xFF;
_cmd_buff[12] = (x2 >> 8) & 0xFF;
_cmd_buff[13] = x2 & 0xFF;
_cmd_buff[14] = (y2 >> 8) & 0xFF;
_cmd_buff[15] = y2 & 0xFF;
_cmd_buff[16] = FRAME_E0;
_cmd_buff[17] = FRAME_E1;
_cmd_buff[18] = FRAME_E2;
_cmd_buff[19] = FRAME_E3;
_cmd_buff[20] = _verify(_cmd_buff, 20);
_putchars(_cmd_buff, 21);
}
/*******************************************************************************
* Function Name : void epd_fill_triangle(int x0, int y0, int x1, int y1, int x2, int y2)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_fill_triangle(int x0, int y0, int x1, int y1, int x2, int y2)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x15;
_cmd_buff[3] = CMD_FILL_TRIANGLE;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
_cmd_buff[8] = (x1 >> 8) & 0xFF;
_cmd_buff[9] = x1 & 0xFF;
_cmd_buff[10] = (y1 >> 8) & 0xFF;
_cmd_buff[11] = y1 & 0xFF;
_cmd_buff[12] = (x2 >> 8) & 0xFF;
_cmd_buff[13] = x2 & 0xFF;
_cmd_buff[14] = (y2 >> 8) & 0xFF;
_cmd_buff[15] = y2 & 0xFF;
_cmd_buff[16] = FRAME_E0;
_cmd_buff[17] = FRAME_E1;
_cmd_buff[18] = FRAME_E2;
_cmd_buff[19] = FRAME_E3;
_cmd_buff[20] = _verify(_cmd_buff, 20);
_putchars(_cmd_buff, 21);
}
/*******************************************************************************
* Function Name : void epd_clear(void)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_clear(void)
{
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x09;
_cmd_buff[3] = CMD_CLEAR;
_cmd_buff[4] = FRAME_E0;
_cmd_buff[5] = FRAME_E1;
_cmd_buff[6] = FRAME_E2;
_cmd_buff[7] = FRAME_E3;
_cmd_buff[8] = _verify(_cmd_buff, 8);
_putchars(_cmd_buff, 9);
}
/*******************************************************************************
* Function Name : void epd_disp_char(unsigned char ch, int x0, int y0);
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_disp_char(unsigned char ch, int x0, int y0)
{
unsigned char buff[2];
buff[0] = ch;
buff[1] = 0;
epd_disp_string(buff, x0, y0);
}
/*******************************************************************************
* Function Name : void epd_disp_string(const void * p, int x0, int y0)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_disp_string(const void * p, int x0, int y0)
{
int string_size;
unsigned char * ptr = (unsigned char *)p;
string_size = strlen((const char *)ptr);
string_size += 14;
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = (string_size >> 8) & 0xFF;
_cmd_buff[2] = string_size & 0xFF;
_cmd_buff[3] = CMD_DRAW_STRING;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
strcpy((char *)(&_cmd_buff[8]), (const char *)ptr);
string_size -= 5;
_cmd_buff[string_size] = FRAME_E0;
_cmd_buff[string_size + 1] = FRAME_E1;
_cmd_buff[string_size + 2] = FRAME_E2;
_cmd_buff[string_size + 3] = FRAME_E3;
_cmd_buff[string_size + 4] = _verify(_cmd_buff, string_size + 4);
_putchars(_cmd_buff, string_size + 5);
}
/*******************************************************************************
* Function Name : void epd_disp_bitmap(const void * p, int x0, int y0)
* Description :
* Input :
* Output : None
* Return :
* Attention : None
*******************************************************************************/
void epd_disp_bitmap(const void * p, int x0, int y0)
{
int string_size;
unsigned char * ptr = (unsigned char *)p;
string_size = strlen((const char *)ptr);
string_size += 14;
_cmd_buff[0] = FRAME_B;
_cmd_buff[1] = (string_size >> 8) & 0xFF;
_cmd_buff[2] = string_size & 0xFF;
_cmd_buff[3] = CMD_DRAW_BITMAP;
_cmd_buff[4] = (x0 >> 8) & 0xFF;
_cmd_buff[5] = x0 & 0xFF;
_cmd_buff[6] = (y0 >> 8) & 0xFF;
_cmd_buff[7] = y0 & 0xFF;
strcpy((char *)(&_cmd_buff[8]), (const char *)ptr);
string_size -= 5;
_cmd_buff[string_size] = FRAME_E0;
_cmd_buff[string_size + 1] = FRAME_E1;
_cmd_buff[string_size + 2] = FRAME_E2;
_cmd_buff[string_size + 3] = FRAME_E3;
_cmd_buff[string_size + 4] = _verify(_cmd_buff, string_size + 4);
_putchars(_cmd_buff, string_size + 5);
}
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