mirror of
https://github.com/sle118/squeezelite-esp32.git
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111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/**
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* Copyright (c) 2017-2018 Tara Keeling
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* 2020 Philippe G.
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#include <string.h>
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#include <ctype.h>
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#include <stdint.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "gds.h"
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#include "gds_private.h"
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static struct GDS_Device Display;
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static char TAG[] = "gds";
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struct GDS_Device* GDS_AutoDetect( char *Driver, GDS_DetectFunc* DetectFunc[] ) {
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for (int i = 0; DetectFunc[i]; i++) {
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if (DetectFunc[i](Driver, &Display)) {
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ESP_LOGD(TAG, "Detected driver %p", &Display);
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return &Display;
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}
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}
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return NULL;
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}
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void GDS_ClearExt(struct GDS_Device* Device, bool full, ...) {
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bool commit = true;
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if (full) {
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GDS_Clear( Device, GDS_COLOR_BLACK );
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} else {
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va_list args;
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va_start(args, full);
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commit = va_arg(args, int);
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int x1 = va_arg(args, int), y1 = va_arg(args, int), x2 = va_arg(args, int), y2 = va_arg(args, int);
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if (x2 < 0) x2 = Device->Width - 1;
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if (y2 < 0) y2 = Device->Height - 1;
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GDS_ClearWindow( Device, x1, y1, x2, y2, GDS_COLOR_BLACK );
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va_end(args);
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}
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Device->Dirty = true;
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if (commit) GDS_Update(Device);
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}
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void GDS_Clear( struct GDS_Device* Device, int Color ) {
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memset( Device->Framebuffer, Color, Device->FramebufferSize );
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Device->Dirty = true;
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}
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void GDS_ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int y2, int Color ) {
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// driver can provide onw optimized clear window
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if (Device->ClearWindow) {
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Device->ClearWindow( Device, x1, y1, x2, y2, Color );
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} else if (Device->Depth == 1) {
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// single shot if we erase all screen
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if (x2 - x1 == Device->Width - 1 && y2 - y1 == Device->Height - 1) {
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memset( Device->Framebuffer, Color, Device->FramebufferSize );
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} else {
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uint8_t _Color = Color == GDS_COLOR_BLACK ? 0: 0xff;
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uint8_t Width = Device->Width;
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// try to do byte processing as much as possible
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for (int c = x1; c <= x2; c++) {
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int r = y1;
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while (r & 0x07 && r <= y2) GDS_DrawPixelFast( Device, c, r++, Color);
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for (; (r >> 3) < (y2 >> 3); r++) Device->Framebuffer[(r >> 3) * Width + c] = _Color;
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// memset(Device->Framebuffer + (r >> 3) * Width, _Color, (y2 >> 3) - (r >> 3));
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while (r <= y2) GDS_DrawPixelFast( Device, c, r++, Color);
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}
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}
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} else {
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for (int y = y1; y <= y2; y++) {
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for (int x = x1; x <= x2; x++) {
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GDS_DrawPixelFast( Device, x, y, Color);
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}
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}
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}
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Device->Dirty = true;
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}
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void GDS_Update( struct GDS_Device* Device ) {
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if (Device->Dirty) Device->Update( Device );
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Device->Dirty = false;
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}
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bool GDS_Reset( struct GDS_Device* Device ) {
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if ( Device->RSTPin >= 0 ) {
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gpio_set_level( Device->RSTPin, 0 );
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vTaskDelay( pdMS_TO_TICKS( 100 ) );
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gpio_set_level( Device->RSTPin, 1 );
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}
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return true;
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}
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void GDS_SetContrast( struct GDS_Device* Device, uint8_t Contrast ) { Device->SetContrast( Device, Contrast); }
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void GDS_SetHFlip( struct GDS_Device* Device, bool On ) { Device->SetHFlip( Device, On ); }
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void GDS_SetVFlip( struct GDS_Device* Device, bool On ) { Device->SetVFlip( Device, On ); }
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int GDS_GetWidth( struct GDS_Device* Device ) { return Device->Width; }
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int GDS_GetHeight( struct GDS_Device* Device ) { return Device->Height; }
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void GDS_DisplayOn( struct GDS_Device* Device ) { Device->DisplayOn( Device ); }
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void GDS_DisplayOff( struct GDS_Device* Device ) { Device->DisplayOff( Device ); } |