dejvino/lilybook
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Added reading storage for text and current position, ability to copy from SD Card.

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This commit is contained in:
dejvino 2020-02-03 07:32:47 +01:00
parent af712d9124
commit 37a48bf3b5
14 changed files with 230 additions and 22 deletions
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7
components/epaper/EPD.c
View File

@ -1749,6 +1749,13 @@ void EPD_clearStringRect(int x, int y, char *str)
EPD_fillRect(x+dispWin.x1, y+dispWin.y1, w, h, _bg);
}
void EPD_frameStringRect(int x, int y, char *str)
{
int w = EPD_getStringWidth(str);
int h = EPD_getfontheight();
EPD_drawRect(x+dispWin.x1, y+dispWin.y1, w, h, _fg);
}
//==============================================================================
/**
* bit-encoded bar position of all digits' bcd segments

4
components/epaper/EPD.h
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@ -529,6 +529,10 @@ int EPD_getStringWidth(char* str);
*/
void EPD_clearStringRect(int x, int y, char *str);
/*
* Frames the rectangle occupied by string with current foreground color
*/
void EPD_frameStringRect(int x, int y, char *str);
/*
* Compile font c source file to .fnt file

2
main/CMakeLists.txt
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@ -1,5 +1,5 @@
FILE(GLOB_RECURSE app_sources *.cpp *.c)
set(COMPONENT_SRCS "${app_sources} main.cpp")
set(COMPONENT_SRCS "${app_sources}" "main.cpp")
set(COMPONENT_ADD_INCLUDEDIRS "." "../components/")
register_component()

8
main/core/display.c
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@ -111,3 +111,11 @@ void display_sleep()
{
EPD_PowerOff();
}
void display_alert(char* text)
{
EPD_clearStringRect(CENTER, CENTER, text);
EPD_print(text, CENTER, CENTER);
EPD_frameStringRect(CENTER, CENTER, text);
EPD_UpdateScreen();
}

2
main/core/display.h
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@ -14,6 +14,8 @@ void display_update();
void display_wake();
void display_sleep();
void display_alert(char* text);
#ifdef __cplusplus
}
#endif

2
main/main.cpp
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@ -6,8 +6,6 @@
#include <string.h>
#include "esp_system.h"
#include "driver/gpio.h"
#include "esp_system.h"
#include "esp_heap_alloc_caps.h"
#include "esp_log.h"
static const char *TAG = "main";

27
main/modes/InternalMemoryMenuMode.cpp
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@ -1,7 +1,9 @@
#include <string.h>
#include "core/common.h"
#include "core/buttons.h"
#include "core/display.h"
#include <epaper/EPD.h>
#include "reader/reader_storage.h"
#include "InternalMemoryMenuMode.h"
void InternalMemoryMenuMode::start()
@ -18,14 +20,25 @@ void InternalMemoryMenuMode::loop()
EPD_print("Internal Memory", CENTER, 00);
EPD_setFont(DEJAVU18_FONT, NULL);
EPD_print("Current File:", 5, 30);
EPD_print("/spiffs/book.txt", 20, 50);
EPD_print("Size:", 5, 80);
EPD_print("1234 kB", 100, 80);
// TODO: free memory?
EPD_print("Position:", 5, 100);
EPD_print("45%", 100, 100);
EPD_print("Size:", 5, 40);
long length = reader_storage_get_length();
if (length < 0) {
strcpy(text, "unknown");
} else {
sprintf(text, "%ld kB", length / 1024);
}
EPD_print(text, 100, 40);
EPD_print("Position:", 5, 70);
long position = reader_storage_get_position();
if (position < 0) {
strcpy(text, "unknown");
} else {
sprintf(text, "%d%%", (int)(position * 100 / length));
}
EPD_print(text, 100, 70);
display_update();
while (1) {

28
main/modes/ReaderMode.cpp
View File

@ -2,6 +2,7 @@
#include "string.h"
#include "core/buttons.h"
#include "core/display.h"
#include "reader/reader_storage.h"
#include "ReaderMode.h"
#include "esp_log.h"
@ -11,7 +12,20 @@ static const char *TAG = "ReaderMode";
void ReaderMode::start()
{
this->textReader = textStorage.open("/sdcard/book.txt");
char filename[64];
reader_storage_get_filename(filename, sizeof(filename));
this->textReader = textStorage.open(filename);
this->bookmark_max = reader_storage_get_length();
this->bookmark = reader_storage_get_position();
if (this->bookmark_max < 0) {
this->bookmark_max = 0;
}
if (this->bookmark < 0 || this->bookmark > this->bookmark_max) {
this->bookmark = 0;
}
ESP_LOGI(TAG, "Opening %s for reading at %ld / %ld.",
filename, bookmark, bookmark_max);
}
void ReaderMode::loop()
@ -42,7 +56,11 @@ void ReaderMode::loop()
}
display_clear();
pagePrinter.print(pageCurrent);
if (bookmark == bookmark_max) {
display_alert("THE END");
} else {
pagePrinter.print(pageCurrent);
}
display_update();
//time_t idleStart = clock();
@ -57,7 +75,10 @@ void ReaderMode::loop()
ESP_LOGI(TAG, "Turn page PLUS.");
if (pageCurrent != NULL) {
bookmark = pageCurrent->start + pageCurrent->len;
// TODO: limit bookmark to file size
if (bookmark > bookmark_max) {
bookmark = bookmark_max;
}
reader_storage_set_position(bookmark);
typesetter.destroyPage(pageLast);
pageLast = pageCurrent;
pageCurrent = NULL;
@ -70,6 +91,7 @@ void ReaderMode::loop()
ESP_LOGI(TAG, "Turn page MINUS.");
if (pageLast != NULL) {
bookmark = pageLast->start;
reader_storage_set_position(bookmark);
typesetter.destroyPage(pageCurrent);
pageCurrent = pageLast;
pageLast = NULL;

1
main/modes/ReaderMode.h
View File

@ -12,6 +12,7 @@ public:
private:
long bookmark = 0;
long bookmark_max = 0;
Typesetter typesetter;
PagePrinter pagePrinter;
TextStorage textStorage;

13
main/modes/SdCardMenuMode.cpp
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@ -8,11 +8,14 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include "reader/reader_storage.h"
#include "SdCardMenuMode.h"
#include "esp_log.h"
static char* TAG = "SdCardMenuMode";
#define SDCARD_BASEDIR "/sdcard/"
// TODO: make use of bytes
void SdCardMenuMode::start()
@ -104,7 +107,15 @@ void SdCardMenuMode::onOptionSelected(int option)
this->setFinished();
return;
}
// TODO files
// TODO: spawn a copy AppMode
display_alert("Copying into internal memory...");
char source[64];
strcpy(source, SDCARD_BASEDIR);
strcat(source, this->options[option]);
reader_storage_store_file(source);
reader_storage_set_position(0);
this->setFinished();
}
int SdCardMenuMode::getOptionsX()

7
main/modes/reader/TextReader.cpp
View File

@ -31,13 +31,6 @@ size_t TextReader::read(long pos, char* text, size_t len)
} else {
fseek(this->f, pos, SEEK_SET);
size_t read = fread(text, 1, len, this->f);
if (read > 0) {
//ESP_LOGI(TAG, "Read content: %s", text);
} else {
ESP_LOGI(TAG, "End of file. Closing.");
fclose(this->f);
this->f = NULL;
}
return read;
}
}

2
main/modes/reader/TextStorage.cpp
View File

@ -8,7 +8,7 @@ TextStorage::TextStorage()
TextReader* TextStorage::open(char* filename)
{
FILE* f = fopen("/sdcard/book.txt", "r");
FILE* f = fopen(filename, "r");
if (f == NULL) {
ESP_LOGE(TAG, "File could not be opened");
return NULL;

135
main/modes/reader/reader_storage.c Normal file
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@ -0,0 +1,135 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "esp_system.h"
#include "spiffs/spiffs_vfs.h"
#include "esp_log.h"
static const char *TAG = "reader_storage";
static const char* filename_stored = "stored.dat";
static const char* filename_position = "position.dat";
static int check_storage_ready()
{
if (spiffs_is_mounted == 0) {
ESP_LOGE(TAG, "Reader storage is not mounted.");
}
return spiffs_is_mounted;
}
void reader_storage_get_filename(char* buf, int len)
{
if (check_storage_ready() == 0) {
return;
}
strcpy(buf, SPIFFS_BASE_PATH);
strcat(buf, "/");
strcat(buf, filename_stored);
}
long reader_storage_get_length()
{
if (check_storage_ready() == 0) {
return -1;
}
char path[64];
reader_storage_get_filename(path, sizeof(path));
long length = -1;
struct stat stats;
if (stat(path, &stats) == 0) {
length = stats.st_size;
}
ESP_LOGI(TAG, "Getting length: %ld", length);
return length;
}
void reader_storage_store_file(char* source_path)
{
if (check_storage_ready() == 0) {
return;
}
char dest_path[64];
reader_storage_get_filename(dest_path, sizeof(dest_path));
ESP_LOGI(TAG, "Storing file %s into %s", source_path, dest_path);
FILE* src = fopen(source_path, "r");
if (src == NULL) {
ESP_LOGE(TAG, "Failed opening source file.");
return;
}
FILE* dst = fopen(dest_path, "w");
if (dst == NULL) {
ESP_LOGE(TAG, "Failed opening destination file.");
return;
}
char buf[32];
int len = 0;
do {
len = fread(buf, 1, sizeof(buf), src);
if (len > 0) {
len = fwrite(buf, 1, sizeof(buf), dst);
}
} while (len > 0);
fclose(dst);
fclose(src);
ESP_LOGI(TAG, "File stored.");
}
long reader_storage_get_position()
{
if (check_storage_ready() == 0) {
return -1;
}
long position = 0;
char* path[64];
strcpy(path, SPIFFS_BASE_PATH);
strcat(path, "/");
strcat(path, filename_position);
FILE* f = fopen(path, "r");
if (f == NULL) {
ESP_LOGE(TAG, "Failed opening position file for reading.");
return;
}
if (fread(&position, sizeof(position), 1, f) != 1) {
ESP_LOGE(TAG, "Failed reading position.");
position = -1;
}
fclose(f);
ESP_LOGI(TAG, "Getting position: %ld", position);
return position;
}
void reader_storage_set_position(long position)
{
if (check_storage_ready() == 0) {
return;
}
ESP_LOGI(TAG, "Setting position: %ld", position);
char* path[64];
strcpy(path, SPIFFS_BASE_PATH);
strcat(path, "/");
strcat(path, filename_position);
FILE* f = fopen(path, "w");
if (f == NULL) {
ESP_LOGE(TAG, "Failed opening position file for writing.");
return;
}
if (fwrite(&position, sizeof(position), 1, f) != 1) {
ESP_LOGE(TAG, "Failed writing position.");
}
fclose(f);
}

14
main/modes/reader/reader_storage.h Normal file
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@ -0,0 +1,14 @@
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
void reader_storage_get_filename(char* buf, int len);
long reader_storage_get_length();
void reader_storage_store_file(char* source_path);
long reader_storage_get_position();
void reader_storage_set_position(long position);
#ifdef __cplusplus
}
#endif