mikkeli/pi-dashboard
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3b4d61c56df1c90fe8b4ec092e3ff0d227fc237a
pi-dashboard/components/port_bsp/display_bsp.cpp

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initial commit
2026-02-15 02:48:59 +09:00
#include <stdio.h>
#include <string.h>
#include <freertos/FreeRTOS.h>
#include <esp_log.h>
#include "display_bsp.h"
DisplayPort::DisplayPort(int mosi, int scl, int dc, int cs, int rst, int width, int height, spi_host_device_t spihost) :
mosi_(mosi),
scl_(scl),
dc_(dc),
cs_(cs),
rst_(rst),
width_(width),
height_(height)
{
esp_err_t ret;
spi_bus_config_t buscfg = {};
int transfer = width_ * height_;
buscfg.miso_io_num = -1;
buscfg.mosi_io_num = mosi;
buscfg.sclk_io_num = scl;
buscfg.quadwp_io_num = -1;
buscfg.quadhd_io_num = -1;
buscfg.max_transfer_sz = transfer;
ret = spi_bus_initialize(spihost, &buscfg, SPI_DMA_CH_AUTO);
ESP_ERROR_CHECK(ret);
esp_lcd_panel_io_spi_config_t io_config = {};
io_config.dc_gpio_num = dc_;
io_config.cs_gpio_num = cs_;
io_config.pclk_hz = 10 * 1000 * 1000;
io_config.lcd_cmd_bits = 8;
io_config.lcd_param_bits = 8;
io_config.spi_mode = 0;
io_config.trans_queue_depth = 10;
ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)spihost, &io_config, &io_handle));
gpio_config_t gpio_conf = {};
gpio_conf.intr_type = GPIO_INTR_DISABLE;
gpio_conf.mode = GPIO_MODE_OUTPUT;
gpio_conf.pin_bit_mask = (0x1ULL << rst_);
gpio_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
gpio_conf.pull_up_en = GPIO_PULLUP_ENABLE;
ESP_ERROR_CHECK_WITHOUT_ABORT(gpio_config(&gpio_conf));
Set_ResetIOLevel(1);
DisplayLen = transfer >> 3; //(1byte 8ipex)
DispBuffer = (uint8_t *) heap_caps_malloc(DisplayLen, MALLOC_CAP_SPIRAM);
assert(DispBuffer);
#if (AlgorithmOptimization == 3)
PixelIndexLUT = (uint16_t (*)[300])heap_caps_malloc(transfer * sizeof(uint16_t), MALLOC_CAP_SPIRAM);
PixelBitLUT = (uint8_t (*)[300])heap_caps_malloc(transfer * sizeof(uint8_t), MALLOC_CAP_SPIRAM);
assert(PixelIndexLUT);
assert(PixelBitLUT);
if(width_ == 400) {
InitLandscapeLUT();
} else {
InitPortraitLUT();
}
#endif
}
DisplayPort::~DisplayPort() {
}
void DisplayPort::RLCD_Init() {
RLCD_Reset();
RLCD_SendCommand(0xD6); // NVM Load Control
RLCD_SendData(0x17);
RLCD_SendData(0x02);
RLCD_SendCommand(0xD1); //Booster Enable
RLCD_SendData(0x01);
RLCD_SendCommand(0xC0); //Gate Voltage Control
RLCD_SendData(0x11);
RLCD_SendData(0x04);
RLCD_SendCommand(0xC1); //VSHP Setting
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendCommand(0xC2);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendCommand(0xC4);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendCommand(0xC5);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendCommand(0xD8);
RLCD_SendData(0xA6);
RLCD_SendData(0xE9);
RLCD_SendCommand(0xB2);
RLCD_SendData(0x05);
RLCD_SendCommand(0xB3);
RLCD_SendData(0xE5);
RLCD_SendData(0xF6);
RLCD_SendData(0x05);
RLCD_SendData(0x46);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x76);
RLCD_SendData(0x45);
RLCD_SendCommand(0xB4);
RLCD_SendData(0x05);
RLCD_SendData(0x46);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x76);
RLCD_SendData(0x45);
RLCD_SendCommand(0x62);
RLCD_SendData(0x32);
RLCD_SendData(0x03);
RLCD_SendData(0x1F);
RLCD_SendCommand(0xB7);
RLCD_SendData(0x13);
RLCD_SendCommand(0xB0);
RLCD_SendData(0x64);
RLCD_SendCommand(0x11);
vTaskDelay(pdMS_TO_TICKS(200));
RLCD_SendCommand(0xC9);
RLCD_SendData(0x00);
RLCD_SendCommand(0x36);
RLCD_SendData(0x48);
RLCD_SendCommand(0x3A);
RLCD_SendData(0x11);
RLCD_SendCommand(0xB9);
RLCD_SendData(0x20);
RLCD_SendCommand(0xB8);
RLCD_SendData(0x29);
RLCD_SendCommand(0x21);
RLCD_SendCommand(0x2A);
RLCD_SendData(0x12);
RLCD_SendData(0x2A);
RLCD_SendCommand(0x2B);
RLCD_SendData(0x00);
RLCD_SendData(0xC7);
RLCD_SendCommand(0x35);
RLCD_SendData(0x00);
RLCD_SendCommand(0xD0);
RLCD_SendData(0xFF);
RLCD_SendCommand(0x38);
RLCD_SendCommand(0x29);
RLCD_ColorClear(ColorWhite);
}
void DisplayPort::RLCD_ColorClear(uint8_t color) {
memset(DispBuffer, color, DisplayLen);
}
void DisplayPort::RLCD_Display() {
RLCD_SendCommand(0x2A); // Column Address Set
RLCD_SendData(0x12);
RLCD_SendData(0x2A);
RLCD_SendCommand(0x2B); // Page Address Set
RLCD_SendData(0x00);
RLCD_SendData(0xC7);
RLCD_SendCommand(0x2c); // Page Address Set
RLCD_Sendbuffera(DispBuffer,DisplayLen);
}
void DisplayPort::RLCD_Reset(void) {
Set_ResetIOLevel(1);
vTaskDelay(pdMS_TO_TICKS(50));
Set_ResetIOLevel(0);
vTaskDelay(pdMS_TO_TICKS(20));
Set_ResetIOLevel(1);
vTaskDelay(pdMS_TO_TICKS(50));
}
void DisplayPort::RLCD_SendCommand(uint8_t Reg) {
ESP_ERROR_CHECK(esp_lcd_panel_io_tx_param(io_handle, Reg, NULL, 0));
}
void DisplayPort::RLCD_SendData(uint8_t Data) {
ESP_ERROR_CHECK(esp_lcd_panel_io_tx_param(io_handle, -1, &Data, 1));
}
void DisplayPort::RLCD_Sendbuffera(uint8_t *Data, int len) {
ESP_ERROR_CHECK(esp_lcd_panel_io_tx_color(io_handle, -1, Data, len));
}
void DisplayPort::Set_ResetIOLevel(uint8_t level) {
gpio_set_level((gpio_num_t) rst_, level ? 1 : 0);
}
#if (AlgorithmOptimization != 3)
void DisplayPort::RLCD_SetPortraitPixel(uint16_t x, uint16_t y, uint8_t color) {
if((x >= width_) || (y >= height_)) {
ESP_LOGE("Pixel","Beyond the limit : (%d,%d)",x ,y);
return;
}
#if (AlgorithmOptimization == 2)
const uint16_t W4 = width_ >> 2;
uint16_t byte_x = x >> 2;
uint16_t byte_y = y >> 1;
uint32_t index = byte_y * W4 + byte_x;
uint8_t local_x = x & 0x03;
uint8_t local_y = y & 0x01;
uint8_t bit = 7 - ((local_x << 1) | local_y);
uint8_t mask = 1 << bit;
if (color)
DispBuffer[index] |= mask;
else
DispBuffer[index] &= ~mask;
#else
uint16_t byte_x = x / 4;
uint16_t byte_y = y / 2;
uint32_t index = byte_y * (width_ / 4) + byte_x;
uint8_t local_x = x % 4;
uint8_t local_y = y % 2;
uint8_t bit = 7 - (local_x * 2 + local_y);
if (color)
DispBuffer[index] |= (1 << bit);
else
DispBuffer[index] &= ~(1 << bit);
#endif
}
void DisplayPort::RLCD_SetLandscapePixel(uint16_t x, uint16_t y, uint8_t color) {
if (x >= width_ || y >= height_)
return;
#if (AlgorithmOptimization == 2)
uint16_t inv_y = (height_ - 1 - y);
const uint16_t H4 = height_ >> 2;
uint16_t byte_x = x >> 1;
uint16_t block_y = inv_y >> 2;
uint32_t index = byte_x * H4 + block_y;
uint8_t local_x = x & 0x01;
uint8_t local_y = inv_y & 0x03;
uint8_t bit = 7 - ((local_y << 1) | local_x);
uint8_t mask = 1 << bit;
if (color)
DispBuffer[index] |= mask;
else
DispBuffer[index] &= ~mask;
#else
uint16_t inv_y = height_ - 1 - y;
uint16_t byte_x = x / 2; // 0..199
uint16_t block_y = inv_y / 4; // 0..74
uint32_t index = byte_x * (height_ / 4) + block_y;
uint8_t local_x = x % 2; // 0 or 1
uint8_t local_y = inv_y % 4; // 0..3
uint8_t bit = 7 - (local_y * 2 + local_x);
if (color)
DispBuffer[index] |= (1 << bit);
else
DispBuffer[index] &= ~(1 << bit);
#endif
}
#endif
#if (AlgorithmOptimization == 3)
void DisplayPort::InitPortraitLUT() {
uint16_t W4 = width_ >> 2;
for (uint16_t y = 0; y < height_; y++)
{
uint16_t byte_y = y >> 1;
uint8_t local_y = y & 1;
for (uint16_t x = 0; x < width_; x++)
{
uint16_t byte_x = x >> 2;
uint8_t local_x = x & 3;
uint32_t index = byte_y * W4 + byte_x;
uint8_t bit = 7 - ((local_x << 1) | local_y);
PixelIndexLUT[x][y] = index;
PixelBitLUT [x][y] = (1 << bit);
}
}
}
void DisplayPort::InitLandscapeLUT() {
uint16_t H4 = height_ >> 2;
for (uint16_t y = 0; y < height_; y++)
{
uint16_t inv_y = height_ - 1 - y;
uint16_t block_y = inv_y >> 2;
uint8_t local_y = inv_y & 3;
for (uint16_t x = 0; x < width_; x++)
{
uint16_t byte_x = x >> 1;
uint8_t local_x = x & 1;
uint32_t index = byte_x * H4 + block_y;
uint8_t bit = 7 - ((local_y << 1) | local_x);
PixelIndexLUT[x][y] = index;
PixelBitLUT [x][y] = (1 << bit);
}
}
}
void DisplayPort::RLCD_SetPixel(uint16_t x, uint16_t y, uint8_t color) {
uint32_t idx = PixelIndexLUT[x][y];
uint8_t mask = PixelBitLUT[x][y];
uint8_t *p = &DispBuffer[idx];
if (color)
*p |= mask;
else
*p &= ~mask;
}
#endif
#if 0
RLCD_SendCommand(0xD6); // NVM Load Control
RLCD_SendData(0x17);
RLCD_SendData(0x02);
RLCD_SendCommand(0xD1); //Booster Enable
RLCD_SendData(0x01);
RLCD_SendCommand(0xC0); //Gate Voltage Control
RLCD_SendData(0x11);
RLCD_SendData(0x04);
RLCD_SendCommand(0xC1); //VSHP Setting
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendCommand(0xC2);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendCommand(0xC4);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendData(0x41);
RLCD_SendCommand(0xC5);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendData(0x19);
RLCD_SendCommand(0xD8);
RLCD_SendData(0xA6);
RLCD_SendData(0xE9);
RLCD_SendCommand(0xB2);
RLCD_SendData(0x05);
RLCD_SendCommand(0xB3);
RLCD_SendData(0xE5);
RLCD_SendData(0xF6);
RLCD_SendData(0x05);
RLCD_SendData(0x46);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x76);
RLCD_SendData(0x45);
RLCD_SendCommand(0xB4);
RLCD_SendData(0x05);
RLCD_SendData(0x46);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x77);
RLCD_SendData(0x76);
RLCD_SendData(0x45);
RLCD_SendCommand(0x62);
RLCD_SendData(0x32);
RLCD_SendData(0x03);
RLCD_SendData(0x1F);
RLCD_SendCommand(0xB7);
RLCD_SendData(0x13);
RLCD_SendCommand(0xB0);
RLCD_SendData(0x64);
RLCD_SendCommand(0x11);
vTaskDelay(pdMS_TO_TICKS(200));
RLCD_SendCommand(0xC9);
RLCD_SendData(0x00);
RLCD_SendCommand(0x36);
RLCD_SendData(0x48);
RLCD_SendCommand(0x3A);
RLCD_SendData(0x11);
RLCD_SendCommand(0xB9);
RLCD_SendData(0x20);
RLCD_SendCommand(0xB8);
RLCD_SendData(0x29);
RLCD_SendCommand(0x21);
RLCD_SendCommand(0x2A);
RLCD_SendData(0x12);
RLCD_SendData(0x2A);
RLCD_SendCommand(0x2B);
RLCD_SendData(0x00);
RLCD_SendData(0xC7);
RLCD_SendCommand(0x35);
RLCD_SendData(0x00);
RLCD_SendCommand(0xD0);
RLCD_SendData(0xFF);
RLCD_SendCommand(0x38);
RLCD_SendCommand(0x29);
#endif
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