kazu
ac74587ee7
added code for a waveshare eInk refactored some old code to match with the new SoftI2C
256 lines
7.7 KiB
C++
256 lines
7.7 KiB
C++
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#include "Waveshare.h"
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template <int PIN_CS, int PIN_BUSY, int PIN_RST, int PIN_DC, typename SPI> class Waveshare_4_2 : public Waveshare<PIN_CS, PIN_BUSY, PIN_RST, PIN_DC, SPI> {
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static constexpr const char* NAME = "E-Ink 4.2\"";
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public:
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enum class Mode {
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BLACK_WHITE,
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BLACK_WHITE_RED,
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};
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public:
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Waveshare_4_2(SPI& spi) : Waveshare<PIN_CS, PIN_BUSY, PIN_RST, PIN_DC, SPI>(spi) {
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}
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public:
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struct Window {
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uint16_t x1; // must be multiple of 8
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uint16_t y1;
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uint16_t w; // must be multiple of 8
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uint16_t h;
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Window(uint16_t x1, uint16_t y1, uint16_t w, uint16_t h) : x1(x1), y1(y1), w(w), h(h) {}
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};
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void setWindow(Window& win) {
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this->sendCommand(0x90);
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this->sendData((win.x1) >> 8);
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this->sendData((win.x1) >> 0);
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this->sendData((win.x1+win.w-1) >> 8);
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this->sendData((win.x1+win.w-1) >> 0);
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this->sendData(win.y1 >> 8);
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this->sendData(win.y1 >> 0);
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this->sendData((win.y1+win.h-1) >> 8);
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this->sendData((win.y1+win.h-1) >> 0);
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this->sendData(0x0); // 0 = refresh only the window, 1 = refresh everything??
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}
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void enableWindow() {
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this->sendCommand(0x91);
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}
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void disableWindow() {
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this->sendCommand(0x92);
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}
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void init(Mode mode) {
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debugMod(NAME, "init()");
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this->reset();
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this->send3(0x06, 0x17, 0x17, 0x17); // BOOSTER_SOFT_START
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this->sendCommand(0x04); // POWER_ON
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this->waitUntilIdle();
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uint8_t cfg = 0x0F;
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if (mode == Mode::BLACK_WHITE) {cfg |= (1<<4);}
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this->send1(0x00, cfg); // PANEL_SETTING
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this->send1(0x50, 0xF7); // VCOM_AND_DATA_INTERVAL_SETTING
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//this->sendCommand(0x10);//DATA_START_TRANSMISSION_1
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//usleep(10*1000);
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debugMod(NAME, "init() complete");
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}
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void loadBlack(const uint8_t* black) {
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this->sendCommand(0x10);
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if (black) {
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for (int i = 0; i < 400*300/8; ++i) {this->sendData(~reverse(black[i]));}
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} else {
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for (int i = 0; i < 400*300/8; ++i) {this->sendData(~0x00);}
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}
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this->sendCommand(0x11);
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}
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void loadRed(const uint8_t* red) {
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this->sendCommand(0x13);
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if (red) {
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for (int i = 0; i < 400*300/8; ++i) {this->sendData(~reverse(red[i]));}
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} else {
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for (int i = 0; i < 400*300/8; ++i) {this->sendData(~0x00);}
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}
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this->sendCommand(0x11);
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}
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static uint8_t reverse(uint8_t a) {
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return
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((a & 0x1) << 7) | ((a & 0x2) << 5) |
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((a & 0x4) << 3) | ((a & 0x8) << 1) |
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((a & 0x10) >> 1) | ((a & 0x20) >> 3) |
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((a & 0x40) >> 5) | ((a & 0x80) >> 7);
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}
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void show() {
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debugMod(NAME, "refresh");
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this->sendCommand(0x12);//DISPLAY_REFRESH
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usleep(100*1000);
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this->waitUntilIdle();
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debugMod(NAME, "refresh done");
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debugMod(NAME, "sleep");
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this->send1(0x50, 0x17);//VCOM_AND_DATA_INTERVAL_SETTING
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this->send1(0x82, 0x00);//VCM_DC_SETTING_REGISTER, to solve Vcom drop
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this->send4(0x01, 0x02, 0x00, 0x00, 0x00);//POWER_SETTING
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this->waitUntilIdle();
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this->sendCommand(0x02);//POWER_OFF
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debugMod(NAME, "sleep done");
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}
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private:
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unsigned char lut_dc_4in2[44] = {
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0x00, 0x17, 0x00, 0x00, 0x00, 0x02, 0x00, 0x17, 0x17, 0x00, 0x00,
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0x02, 0x00, 0x0A, 0x01, 0x00, 0x00, 0x01, 0x00, 0x0E, 0x0E, 0x00,
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0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R21H
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unsigned char lut_ww_4in2[42] = {
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x40, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R22H r
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unsigned char lut_bw_4in2[42] = {
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x40, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R24H b
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unsigned char lut_bb_4in2[42] = {
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0x80, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x80, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R23H w
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unsigned char lut_wb_4in2[42] = {
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0x80, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x80, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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};
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/*
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int EPD_Init_4in2()
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{
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EPD_Reset();
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EPD_SendCommand(0x01);//POWER_SETTING
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EPD_SendData(0x03); // VDS_EN, VDG_EN
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EPD_SendData(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0]
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EPD_SendData(0x2F); // VDH
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EPD_SendData(0x2F); // VDL
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EPD_SendData(0xFF); // VDHR
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EPD_Send_3(0x06, 0x17, 0x17, 0x17);//BOOSTER_SOFT_START
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EPD_SendCommand(0x04);//POWER_ON
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EPD_WaitUntilIdle();
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EPD_Send_2(0x00, 0xBF, 0x0B);//PANEL_SETTING: // KW-BF KWR-AF BWROTP 0f
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EPD_Send_1(0x30, 0x3C);//PLL_CONTROL: 3A 100HZ, 29 150Hz, 39 200HZ, 31 171HZ
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EPD_Send_4(0x61, 1, 144, 1, 44);// RESOLUTION_SETTING: HI(W), LO(W), HI(H), LO(H)
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EPD_Send_1(0x82, 0x12);// VCM_DC_SETTING
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EPD_Send_1(0x50, 0x97);// VCOM_AND_DATA_INTERVAL_SETTING: VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
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EPD_lut(0x20,44,&lut_dc_4in2[0]);// LUT_FOR_VCOM
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EPD_lut(0x21,42,&lut_ww_4in2[0]);// LUT_WHITE_TO_WHITE
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EPD_lut(0x22,42,&lut_bw_4in2[0]);// LUT_BLACK_TO_WHITE
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EPD_lut(0x23,42,&lut_wb_4in2[0]);// LUT_WHITE_TO_BLACK
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EPD_lut(0x24,42,&lut_bb_4in2[0]);// LUT_BLACK_TO_BLACK
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EPD_SendCommand(0x10);//DATA_START_TRANSMISSION_1
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delay(2);
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for(int i = 0; i < 400*300; i++)EPD_SendData(0xFF);//Red channel
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EPD_SendCommand(0x13);//DATA_START_TRANSMISSION_2
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delay(2);
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return 0;
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}
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unsigned char lut_dc_4in2b[] =
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{
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0x00, 0x17, 0x00, 0x00, 0x00, 0x02, 0x00, 0x17, 0x17, 0x00, 0x00,
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0x02, 0x00, 0x0A, 0x01, 0x00, 0x00, 0x01, 0x00, 0x0E, 0x0E, 0x00,
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0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R21H
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unsigned char lut_ww_4in2b[] =
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{
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x40, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R22H r
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unsigned char lut_bw_4in2b[] =
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{
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0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x40, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R24H b
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unsigned char lut_bb_4in2b[] =
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{
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0x80, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x80, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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//R23H w
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unsigned char lut_wb_4in2b[] =
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{
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0x80, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x17, 0x17, 0x00, 0x00, 0x02, 0x80, 0x0A,
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0x01, 0x00, 0x00, 0x01, 0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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int EPD_Init_4in2b()
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{
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EPD_Reset();
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EPD_Send_3(0x06,0x17,0x17,0x17);//BOOSTER_SOFT_START
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EPD_SendCommand(0x04);//POWER_ON
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EPD_WaitUntilIdle();
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EPD_Send_1(0x00, 0x0F);//PANEL_SETTING
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EPD_Send_1(0x50,0xF7);// VCOM_AND_DATA_INTERVAL_SETTING
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EPD_SendCommand(0x10);//DATA_START_TRANSMISSION_1
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delay(2);
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return 0;
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}
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*/
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