adolforeyna/eink-api
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adding custom fonts and editor mode with tab

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This commit is contained in:
aeroreyna
2026-01-13 22:04:10 -05:00
parent 7d3ae06e63
commit 0bb25bb984
83 changed files with 2835 additions and 36 deletions
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eink_api.c
+54 -31
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@@ -1,6 +1,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#ifndef M_PI
@@ -17,9 +18,11 @@
#include "GUI_Paint.h"
#include "fonts.h"
#include "EPD_4in2_V2.h"
#include "acme_5_outlines_font.h"
//Create a new image cache
UBYTE *BlackImage;
UBYTE *EditorImage;
queue_t q;
@@ -47,6 +50,10 @@ int epaper_init()
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((EditorImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for editor memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
screen_on = true;
@@ -88,7 +95,7 @@ bool editor_mode = false;
uint32_t editor_last_ts = 0;
char screen_log[2000];
int screen_log_i = 0;
sFONT *current_font = &Font16;
sFONT *current_font = &Font12;
UBYTE editor_bg_color = WHITE;
UBYTE editor_fg_color = BLACK;
@@ -110,11 +117,20 @@ int epaper_close()
void process_command(char *cmd)
{
printf("Processing command: %s\n", cmd);
if(!editor_mode) printf("Processing command: %s\n", cmd);
Paint_NewImage(BlackImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
if (strcmp(cmd, "init") == 0) {
epaper_init();
printf("e-Paper initialized\n");
} else if (screen_on && strcmp(cmd, "clear") == 0) {
} else if (screen_on && strcmp(cmd, "clear") == 0 && (cmd[5] == ' ' || cmd[5] == '\0')) {
if(editor_mode){
screen_log_i = 0;
screen_log[0] = '\0';
} else {
Paint_Clear(WHITE);
printf("e-Paper cleared\n");
}
} else if (screen_on && strcmp(cmd, "clear_draw") == 0) {
Paint_Clear(WHITE);
printf("e-Paper cleared\n");
} else if (screen_on && strcmp(cmd, "display") == 0) {
@@ -241,13 +257,14 @@ void process_command(char *cmd)
screen_log_i = 0;
screen_log[0] = '\0';
}
editor_mode = true;
absolute_time_t time = get_absolute_time();
editor_last_ts = to_ms_since_boot(time);
// editor_mode = true;
// absolute_time_t time = get_absolute_time();
// editor_last_ts = to_ms_since_boot(time);
printf("Editor mode enabled (%s background)\n", invert_flag != 0 ? "black" : "white");
} else {
printf("Unknown command: %s\n", cmd);
if(!editor_mode) printf("Unknown command: %s\n", cmd);
}
if(editor_mode) Paint_NewImage(EditorImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
}
@@ -258,6 +275,7 @@ void core1_entry() {
char cmd_buffer[256];
int i = 0;
bool display_image_on_editor = false;
while (true) {
bool newChar = false;
@@ -267,8 +285,9 @@ void core1_entry() {
newChar = true;
if(editor_mode){
absolute_time_t time = get_absolute_time();
editor_last_ts = to_ms_since_boot(time);
// absolute_time_t time = get_absolute_time();
// editor_last_ts = to_ms_since_boot(time);
display_image_on_editor = false;
if (c == '\n' || c == '\r') {
screen_log[screen_log_i++] = '\n';
} else if (c == '\b' || c == 127) { // Handle backspace
@@ -280,22 +299,26 @@ void core1_entry() {
screen_log[screen_log_i++] = c;
}
}
} else {
if (c == '\n' || c == '\r') {
cmd_buffer[i] = '\0';
process_command(cmd_buffer);
i = 0;
// Clear the command buffer display area
}
if (c == '\n' || c == '\r') {
cmd_buffer[i] = '\0';
process_command(cmd_buffer);
i = 0;
// Clear the command buffer display area
if(!editor_mode){
Paint_ClearWindows(1, 281, 399, 299, WHITE);
break;
} else if (c == '\b' || c == 127) { // Handle backspace
if (i > 0) {
i--;
}
} else {
if (i < (sizeof(cmd_buffer) - 1)) {
cmd_buffer[i++] = c;
}
}
break;
} else if (c == '\b' || c == 127) { // Handle backspace
if (i > 0) {
i--;
}
} else if (c == '\t'){
editor_mode = !editor_mode;
//display_image_on_editor = true;
} else {
if (i < (sizeof(cmd_buffer) - 1)) {
cmd_buffer[i++] = c;
}
}
}
@@ -325,7 +348,7 @@ void core1_entry() {
// if overflow reset the screen_log buffer with only the last line
Paint_DrawString_EN(10, 10, screen_log, current_font, editor_bg_color, editor_fg_color);
}
EPD_4IN2_V2_PartialDisplay(BlackImage, 0, 0, 400, 300);
EPD_4IN2_V2_PartialDisplay(EditorImage, 0, 0, 400, 300);
} else {
cmd_buffer[i] = '\0';
// Update the command buffer display
@@ -373,12 +396,12 @@ int main()
}
absolute_time_t time = get_absolute_time();
uint32_t ms = to_ms_since_boot(time);
if(editor_last_ts != 0 && editor_mode && (editor_last_ts + 10000 < ms)){
printf("Disabling editor after 10s of inactivity");
editor_mode = false;
editor_bg_color = WHITE;
editor_fg_color = BLACK;
}
//if(editor_last_ts != 0 && editor_mode && (editor_last_ts + 10000 < ms)){
// printf("Disabling editor after 10s of inactivity");
// editor_mode = false;
// editor_bg_color = WHITE;
// editor_fg_color = BLACK;
//}
}
epaper_close();