2020.05.22
This commit is contained in:
wangkg
parent
8973995e53
commit
853a3a4632
224 changed files with 26246 additions and 3145 deletions
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@ -36,12 +36,12 @@ Epd::~Epd()
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Epd::Epd()
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{
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reset_pin = RST_PIN;
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dc_pin = DC_PIN;
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cs_pin = CS_PIN;
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busy_pin = BUSY_PIN;
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width = EPD_WIDTH;
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height = EPD_HEIGHT;
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reset_pin = RST_PIN;
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dc_pin = DC_PIN;
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cs_pin = CS_PIN;
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busy_pin = BUSY_PIN;
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width = EPD_WIDTH;
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height = EPD_HEIGHT;
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};
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/**
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@ -49,8 +49,8 @@ Epd::Epd()
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*/
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void Epd::SendCommand(unsigned char command)
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{
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DigitalWrite(dc_pin, LOW);
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SpiTransfer(command);
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DigitalWrite(dc_pin, LOW);
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SpiTransfer(command);
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}
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/**
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@ -58,8 +58,8 @@ void Epd::SendCommand(unsigned char command)
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*/
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void Epd::SendData(unsigned char data)
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{
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DigitalWrite(dc_pin, HIGH);
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SpiTransfer(data);
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DigitalWrite(dc_pin, HIGH);
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SpiTransfer(data);
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}
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/**
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@ -67,64 +67,117 @@ void Epd::SendData(unsigned char data)
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*/
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void Epd::WaitUntilIdle(void)
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{
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while(DigitalRead(busy_pin) == 1) { //LOW: idle, HIGH: busy
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DelayMs(100);
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}
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DelayMs(200);
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while(DigitalRead(busy_pin) == 1) { //LOW: idle, HIGH: busy
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DelayMs(100);
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}
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DelayMs(200);
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}
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int Epd::Init(void)
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int Epd::HDirInit(void)
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{
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/* this calls the peripheral hardware interface, see epdif */
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if (IfInit() != 0) {
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return -1;
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}
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/* EPD hardware init start */
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Reset();
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/* this calls the peripheral hardware interface, see epdif */
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if (IfInit() != 0) {
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return -1;
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}
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/* EPD hardware init start */
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Reset();
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WaitUntilIdle();
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SendCommand(0x12); //SWRESET
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WaitUntilIdle();
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WaitUntilIdle();
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SendCommand(0x12); //SWRESET
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WaitUntilIdle();
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SendCommand(0x01); //Driver output control
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SendData(0xC7);
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SendData(0x00);
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SendData(0x01);
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SendCommand(0x01); //Driver output control
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SendData(0xC7);
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SendData(0x00);
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SendData(0x01);
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SendCommand(0x11); //data entry mode
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SendData(0x01);
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SendCommand(0x11); //data entry mode
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SendData(0x01);
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SendCommand(0x44); //set Ram-X address start/end position
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SendData(0x00);
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SendData(0x18); //0x0C-->(18+1)*8=200
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SendCommand(0x44); //set Ram-X address start/end position
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SendData(0x00);
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SendData(0x18); //0x0C-->(18+1)*8=200
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SendCommand(0x45); //set Ram-Y address start/end position
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SendData(0xC7); //0xC7-->(199+1)=200
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x45); //set Ram-Y address start/end position
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SendData(0xC7); //0xC7-->(199+1)=200
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x01);
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x01);
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SendCommand(0x18);
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SendData(0x80);
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SendCommand(0x18);
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SendData(0x80);
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SendCommand(0x22); // //Load Temperature and waveform setting.
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SendData(0XB1);
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SendCommand(0x20);
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SendCommand(0x22); // //Load Temperature and waveform setting.
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SendData(0XB1);
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SendCommand(0x20);
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SendCommand(0x4E); // set RAM x address count to 0;
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SendData(0x00);
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SendCommand(0x4F); // set RAM y address count to 0X199;
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SendData(0xC7);
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SendData(0x00);
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WaitUntilIdle();
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/* EPD hardware init end */
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SendCommand(0x4E); // set RAM x address count to 0;
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SendData(0x00);
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SendCommand(0x4F); // set RAM y address count to 0X199;
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SendData(0xC7);
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SendData(0x00);
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WaitUntilIdle();
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/* EPD hardware init end */
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return 0;
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return 0;
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}
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int Epd::LDirInit(void)
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{
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/* this calls the peripheral hardware interface, see epdif */
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if (IfInit() != 0) {
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return -1;
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}
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/* EPD hardware init start */
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Reset();
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WaitUntilIdle();
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SendCommand(0x12); //SWRESET
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WaitUntilIdle();
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SendCommand(0x01); //Driver output control
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SendData(0xC7);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x11); //data entry mode
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SendData(0x03);
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SendCommand(0x44); //set Ram-X address start/end position
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SendData(0x00);
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SendData(0x18); //0x0C-->(18+1)*8=200
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SendCommand(0x45); //set Ram-Y address start/end position
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SendData(0xC7); //0xC7-->(199+1)=200
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SendData(0x00);
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SendData(0x00);
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SendData(0x00);
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SendCommand(0x3C); //BorderWavefrom
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SendData(0x01);
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SendCommand(0x18);
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SendData(0x80);
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SendCommand(0x22); // //Load Temperature and waveform setting.
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SendData(0XB1);
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SendCommand(0x20);
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SendCommand(0x4E); // set RAM x address count to 0;
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SendData(0x00);
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SendCommand(0x4F); // set RAM y address count to 0X199;
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SendData(0xC7);
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SendData(0x00);
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WaitUntilIdle();
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/* EPD hardware init end */
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return 0;
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}
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/**
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* @brief: module reset.
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* often used to awaken the module in deep sleep,
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@ -132,101 +185,227 @@ int Epd::Init(void)
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*/
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void Epd::Reset(void)
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{
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DigitalWrite(reset_pin, HIGH);
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DelayMs(200);
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DigitalWrite(reset_pin, LOW); //module reset
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DelayMs(10);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(200);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(200);
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DigitalWrite(reset_pin, LOW); //module reset
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DelayMs(20);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(200);
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}
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void Epd::Clear(void)
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{
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int w, h;
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w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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h = EPD_HEIGHT;
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(0xff);
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}
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}
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int w, h;
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w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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h = EPD_HEIGHT;
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(0xff);
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xF7);
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SendCommand(0x20);
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WaitUntilIdle();
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xF7);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::Display(const unsigned char* frame_buffer)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xF7);
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SendCommand(0x20);
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WaitUntilIdle();
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xF7);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::DisplayPartBaseImage(const unsigned char* frame_buffer)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(frame_buffer[i + j * w]);
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}
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}
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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SendCommand(0x26);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(frame_buffer[i + j * w]);
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}
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}
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}
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SendCommand(0x26);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xFF);
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SendCommand(0x20);
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WaitUntilIdle();
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xFF);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::DisplayPartBaseWhiteImage(void)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(0xff);
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}
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}
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SendCommand(0x26);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(0xff);
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xFF);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::DisplayPart(const unsigned char* frame_buffer)
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{
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
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int h = EPD_HEIGHT;
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(frame_buffer[i + j * w]);
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}
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}
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}
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if (frame_buffer != NULL) {
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SendCommand(0x24);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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SendData(pgm_read_byte(&frame_buffer[i + j * w]));
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}
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}
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}
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xFF);
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SendCommand(0x20);
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WaitUntilIdle();
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xFF);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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/**
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* @brief: private function to specify the memory area for data R/W
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*/
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void Epd::SetMemoryArea(int x_start, int y_start, int x_end, int y_end)
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{
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SendCommand(0x44);
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/* x point must be the multiple of 8 or the last 3 bits will be ignored */
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SendData((x_start >> 3) & 0xFF);
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SendData((x_end >> 3) & 0xFF);
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SendCommand(0x45);
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SendData(y_start & 0xFF);
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SendData((y_start >> 8) & 0xFF);
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SendData(y_end & 0xFF);
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SendData((y_end >> 8) & 0xFF);
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}
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/**
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* @brief: private function to specify the start point for data R/W
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*/
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void Epd::SetMemoryPointer(int x, int y)
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{
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SendCommand(0x4e);
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/* x point must be the multiple of 8 or the last 3 bits will be ignored */
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SendData((x >> 3) & 0xFF);
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SendCommand(0x4F);
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SendData(y & 0xFF);
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SendData((y >> 8) & 0xFF);
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WaitUntilIdle();
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}
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/**
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* @brief: update the display
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* there are 2 memory areas embedded in the e-paper display
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* but once this function is called,
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* the the next action of SetFrameMemory or ClearFrame will
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* set the other memory area.
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*/
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void Epd::DisplayFrame(void)
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{
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//DISPLAY REFRESH
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SendCommand(0x22);
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SendData(0xF7);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::DisplayPartFrame(void)
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{
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SendCommand(0x22);
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SendData(0xFF);
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SendCommand(0x20);
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WaitUntilIdle();
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}
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void Epd::SetFrameMemory(
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const unsigned char* image_buffer,
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int x,
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int y,
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int image_width,
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int image_height
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)
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{
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int x_end;
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int y_end;
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if (
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image_buffer == NULL ||
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x < 0 || image_width < 0 ||
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y < 0 || image_height < 0
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) {
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return;
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}
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/* x point must be the multiple of 8 or the last 3 bits will be ignored */
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x &= 0xF8;
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image_width &= 0xF8;
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if (x + image_width >= this->width) {
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x_end = this->width - 1;
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} else {
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x_end = x + image_width - 1;
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}
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if (y + image_height >= this->height) {
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y_end = this->height - 1;
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} else {
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y_end = y + image_height - 1;
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}
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SetMemoryArea(x, y, x_end, y_end);
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SetMemoryPointer(x, y);
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SendCommand(0x24);
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/* send the image data */
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for (int j = 0; j < y_end - y + 1; j++) {
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for (int i = 0; i < (x_end - x + 1) / 8; i++) {
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SendData(image_buffer[i + j * (image_width / 8)]);
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}
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}
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}
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/**
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@ -239,11 +418,11 @@ void Epd::DisplayPart(const unsigned char* frame_buffer)
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*/
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void Epd::Sleep()
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{
|
||||
SendCommand(0x10); //enter deep sleep
|
||||
SendData(0x01);
|
||||
DelayMs(200);
|
||||
SendCommand(0x10); //enter deep sleep
|
||||
SendData(0x01);
|
||||
DelayMs(200);
|
||||
|
||||
DigitalWrite(reset_pin, LOW);
|
||||
DigitalWrite(reset_pin, LOW);
|
||||
}
|
||||
|
||||
/* END OF FILE */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue