mirror of
https://github.com/IcedRooibos/py32f0-template.git
synced 2025-10-29 08:52:04 -07:00
288 lines
8.8 KiB
C
288 lines
8.8 KiB
C
/*****************************************************************************
|
|
* | File : EPD_7IN5b_V2.c
|
|
* | Author : Waveshare team
|
|
* | Function : Electronic paper driver
|
|
* | Info :
|
|
*----------------
|
|
* | This version: V2.1
|
|
* | Date : 2020-11-30
|
|
* | 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 "EPD_7in5b_V2.h"
|
|
|
|
#ifdef EPD_7IN5B_V2
|
|
|
|
/******************************************************************************
|
|
function : Software reset
|
|
parameter:
|
|
******************************************************************************/
|
|
static void EPD_7IN5B_V2_Reset(void)
|
|
{
|
|
EPD_Digital_Write(EPD_RST_PIN, 1);
|
|
EPD_Delay_ms(200);
|
|
EPD_Digital_Write(EPD_RST_PIN, 0);
|
|
EPD_Delay_ms(2);
|
|
EPD_Digital_Write(EPD_RST_PIN, 1);
|
|
EPD_Delay_ms(200);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : send command
|
|
parameter:
|
|
Reg : Command register
|
|
******************************************************************************/
|
|
static void EPD_7IN5B_V2_SendCommand(UBYTE Reg)
|
|
{
|
|
EPD_Digital_Write(EPD_DC_PIN, 0);
|
|
EPD_Digital_Write(EPD_CS_PIN, 0);
|
|
EPD_SPI_WriteByte(Reg);
|
|
EPD_Digital_Write(EPD_CS_PIN, 1);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : send data
|
|
parameter:
|
|
Data : Write data
|
|
******************************************************************************/
|
|
static void EPD_7IN5B_V2_SendData(UBYTE Data)
|
|
{
|
|
EPD_Digital_Write(EPD_DC_PIN, 1);
|
|
EPD_Digital_Write(EPD_CS_PIN, 0);
|
|
EPD_SPI_WriteByte(Data);
|
|
EPD_Digital_Write(EPD_CS_PIN, 1);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Wait until the busy_pin goes LOW
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_7IN5B_V2_WaitUntilIdle(void)
|
|
{
|
|
EPD_Printf("e-Paper busy\r\n");
|
|
unsigned char busy;
|
|
do {
|
|
EPD_7IN5B_V2_SendCommand(0x71);
|
|
busy = EPD_Digital_Read(EPD_BUSY_PIN);
|
|
busy =!(busy & 0x01);
|
|
}while(busy);
|
|
EPD_Delay_ms(200);
|
|
EPD_Printf("e-Paper busy release\r\n");
|
|
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
function : Turn On Display
|
|
parameter:
|
|
******************************************************************************/
|
|
static void EPD_7IN5B_V2_TurnOnDisplay(void)
|
|
{
|
|
EPD_7IN5B_V2_SendCommand(0x12); //DISPLAY REFRESH
|
|
EPD_Delay_ms(100); //!!!The delay here is necessary, 200uS at least!!!
|
|
EPD_7IN5B_V2_WaitUntilIdle();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Initialize the e-Paper register
|
|
parameter:
|
|
******************************************************************************/
|
|
UBYTE EPD_7IN5B_V2_Init(void)
|
|
{
|
|
EPD_7IN5B_V2_Reset();
|
|
|
|
EPD_7IN5B_V2_SendCommand(0x01); //POWER SETTING
|
|
EPD_7IN5B_V2_SendData(0x07);
|
|
EPD_7IN5B_V2_SendData(0x07); //VGH=20V,VGL=-20V
|
|
EPD_7IN5B_V2_SendData(0x3f); //VDH=15V
|
|
EPD_7IN5B_V2_SendData(0x3f); //VDL=-15V
|
|
|
|
EPD_7IN5B_V2_SendCommand(0x04); //POWER ON
|
|
EPD_Delay_ms(100);
|
|
EPD_7IN5B_V2_WaitUntilIdle();
|
|
|
|
EPD_7IN5B_V2_SendCommand(0X00); //PANNEL SETTING
|
|
EPD_7IN5B_V2_SendData(0x0F); //KW-3f KWR-2F BWROTP 0f BWOTP 1f
|
|
|
|
EPD_7IN5B_V2_SendCommand(0x61); //tres
|
|
EPD_7IN5B_V2_SendData(0x03); //source 800
|
|
EPD_7IN5B_V2_SendData(0x20);
|
|
EPD_7IN5B_V2_SendData(0x01); //gate 480
|
|
EPD_7IN5B_V2_SendData(0xE0);
|
|
|
|
EPD_7IN5B_V2_SendCommand(0X15);
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
|
|
EPD_7IN5B_V2_SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING
|
|
EPD_7IN5B_V2_SendData(0x11);
|
|
EPD_7IN5B_V2_SendData(0x07);
|
|
|
|
EPD_7IN5B_V2_SendCommand(0X60); //TCON SETTING
|
|
EPD_7IN5B_V2_SendData(0x22);
|
|
|
|
EPD_7IN5B_V2_SendCommand(0X82);
|
|
EPD_7IN5B_V2_SendData(0x08);
|
|
EPD_7IN5B_V2_SendCommand(0X30);
|
|
EPD_7IN5B_V2_SendData(0x06);
|
|
|
|
EPD_7IN5B_V2_SendCommand(0x65); // Resolution setting
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
EPD_7IN5B_V2_SendData(0x00);//800*480
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Clear screen
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_7IN5B_V2_Clear(void)
|
|
{
|
|
UWORD Width, Height;
|
|
Width =(EPD_7IN5B_V2_WIDTH % 8 == 0)?(EPD_7IN5B_V2_WIDTH / 8 ):(EPD_7IN5B_V2_WIDTH / 8 + 1);
|
|
Height = EPD_7IN5B_V2_HEIGHT;
|
|
|
|
UWORD i;
|
|
EPD_7IN5B_V2_SendCommand(0x10);
|
|
for(i=0; i<Width*Height; i++) {
|
|
EPD_7IN5B_V2_SendData(0xff);
|
|
|
|
}
|
|
EPD_7IN5B_V2_SendCommand(0x13);
|
|
for(i=0; i<Width*Height; i++) {
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
|
|
}
|
|
EPD_7IN5B_V2_TurnOnDisplay();
|
|
}
|
|
|
|
void EPD_7IN5B_V2_ClearRed(void)
|
|
{
|
|
UWORD Width, Height;
|
|
Width =(EPD_7IN5B_V2_WIDTH % 8 == 0)?(EPD_7IN5B_V2_WIDTH / 8 ):(EPD_7IN5B_V2_WIDTH / 8 + 1);
|
|
Height = EPD_7IN5B_V2_HEIGHT;
|
|
|
|
UWORD i;
|
|
EPD_7IN5B_V2_SendCommand(0x10);
|
|
for(i=0; i<Width*Height; i++) {
|
|
EPD_7IN5B_V2_SendData(0xff);
|
|
|
|
}
|
|
EPD_7IN5B_V2_SendCommand(0x13);
|
|
for(i=0; i<Width*Height; i++) {
|
|
EPD_7IN5B_V2_SendData(0xff);
|
|
|
|
}
|
|
EPD_7IN5B_V2_TurnOnDisplay();
|
|
}
|
|
|
|
void EPD_7IN5B_V2_ClearBlack(void)
|
|
{
|
|
UWORD Width, Height;
|
|
Width =(EPD_7IN5B_V2_WIDTH % 8 == 0)?(EPD_7IN5B_V2_WIDTH / 8 ):(EPD_7IN5B_V2_WIDTH / 8 + 1);
|
|
Height = EPD_7IN5B_V2_HEIGHT;
|
|
|
|
UWORD i;
|
|
EPD_7IN5B_V2_SendCommand(0x10);
|
|
for(i=0; i<Width*Height; i++) {
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
|
|
}
|
|
EPD_7IN5B_V2_SendCommand(0x13);
|
|
for(i=0; i<Width*Height; i++) {
|
|
EPD_7IN5B_V2_SendData(0x00);
|
|
|
|
}
|
|
EPD_7IN5B_V2_TurnOnDisplay();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Sends the image buffer in RAM to e-Paper and displays
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_7IN5B_V2_Display(const UBYTE *blackimage, const UBYTE *ryimage)
|
|
{
|
|
UDOUBLE Width, Height;
|
|
Width =(EPD_7IN5B_V2_WIDTH % 8 == 0)?(EPD_7IN5B_V2_WIDTH / 8 ):(EPD_7IN5B_V2_WIDTH / 8 + 1);
|
|
Height = EPD_7IN5B_V2_HEIGHT;
|
|
|
|
//send black data
|
|
EPD_7IN5B_V2_SendCommand(0x10);
|
|
for (UDOUBLE j = 0; j < Height; j++) {
|
|
for (UDOUBLE i = 0; i < Width; i++) {
|
|
EPD_7IN5B_V2_SendData(blackimage[i + j * Width]);
|
|
}
|
|
}
|
|
|
|
//send red data
|
|
EPD_7IN5B_V2_SendCommand(0x13);
|
|
for (UDOUBLE j = 0; j < Height; j++) {
|
|
for (UDOUBLE i = 0; i < Width; i++) {
|
|
EPD_7IN5B_V2_SendData(~ryimage[i + j * Width]);
|
|
}
|
|
}
|
|
EPD_7IN5B_V2_TurnOnDisplay();
|
|
}
|
|
|
|
//0 1 is a black area and 2 3 is a red area
|
|
void EPD_7IN5B_V2_WritePicture(const UBYTE *blackimage, UBYTE Block)
|
|
{
|
|
|
|
UDOUBLE Width, Height;
|
|
Width =(EPD_7IN5B_V2_WIDTH % 8 == 0)?(EPD_7IN5B_V2_WIDTH / 8 ):(EPD_7IN5B_V2_WIDTH / 8 + 1);
|
|
Height = EPD_7IN5B_V2_HEIGHT;
|
|
|
|
if(Block == 0){
|
|
EPD_7IN5B_V2_SendCommand(0x10);
|
|
}else if(Block == 2){
|
|
EPD_7IN5B_V2_SendCommand(0x13);
|
|
}
|
|
for (UDOUBLE j = 0; j < Height/2; j++) {
|
|
for (UDOUBLE i = 0; i < Width; i++) {
|
|
if(Block>=2){
|
|
EPD_7IN5B_V2_SendData(~blackimage[i + j * Width]);
|
|
}else{
|
|
EPD_7IN5B_V2_SendData(blackimage[i + j * Width]);
|
|
}
|
|
}
|
|
}
|
|
if(Block == 3){
|
|
EPD_7IN5B_V2_TurnOnDisplay();
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
function : Enter sleep mode
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_7IN5B_V2_Sleep(void)
|
|
{
|
|
EPD_7IN5B_V2_SendCommand(0X02); //power off
|
|
EPD_7IN5B_V2_WaitUntilIdle();
|
|
EPD_7IN5B_V2_SendCommand(0X07); //deep sleep
|
|
EPD_7IN5B_V2_SendData(0xA5);
|
|
}
|
|
|
|
#endif
|