dejvino/lilybook
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Restructured into modules and classes.

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This commit is contained in:
dejvino 2020-01-31 20:54:19 +01:00
parent bd2b673a30
commit 8fc6843995
20 changed files with 382 additions and 2541 deletions
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components/mkspiffs/src/mkspiffs
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4
main/Page.cpp Normal file
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#include "Page.h"
Page::Page()
{}

16
main/Page.h Normal file
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#ifndef _PAGE_H_
#define _PAGE_H_
#include <stdlib.h>
class Page
{
public:
Page();
char* text;
size_t len;
private:
};
#endif

27
main/PagePrinter.cpp Normal file
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#include "display.h"
#include "EPD.h"
#include "PagePrinter.h"
#include "esp_log.h"
static const char *TAG = "PagePrinter";
int font = DEJAVU18_FONT;//DEFAULT_FONT;
PagePrinter::PagePrinter()
{}
void PagePrinter::print(Page* page)
{
if (page->text == NULL) {
ESP_LOGE(TAG, "Page text is NULL");
return;
}
if (page->len == 0) {
return;
}
EPD_setFont(font, NULL);
text_wrap = 1;
EPD_print(page->text, 0, 0);
EPD_UpdateScreen();
}

11
main/PagePrinter.h Normal file
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#include "Page.h"
class PagePrinter
{
public:
PagePrinter();
void print(Page* page);
private:
};

34
main/TextReader.cpp Normal file
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#include "TextReader.h"
#include "esp_log.h"
static const char *TAG = "TextReader";
TextReader::TextReader(FILE* file)
{
this->f = file;
}
void TextReader::close()
{
fclose(this->f);
}
size_t TextReader::read(long pos, char* text, size_t len)
{
if (this->f == NULL) {
ESP_LOGE(TAG, "File not opened.");
sprintf(text, "File could not be opened.");
return 0;
} 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;
}
}

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main/TextReader.h Normal file
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#include <stdlib.h>
#include <stdio.h>
class TextReader
{
public:
TextReader(FILE* file);
size_t read(long pos, char* text, size_t len);
void close();
private:
FILE* f;
};

25
main/TextStorage.cpp Normal file
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#include "TextStorage.h"
#include "esp_log.h"
static const char *TAG = "TextStorage";
TextStorage::TextStorage()
{}
TextReader* TextStorage::open(char* filename)
{
FILE* f = fopen("/sdcard/book.txt", "r");
if (f == NULL) {
ESP_LOGE(TAG, "File could not be opened");
return NULL;
}
ESP_LOGI(TAG, "File opened for reading.");
return new TextReader(f);
}
void TextStorage::close(TextReader* reader)
{
reader->close();
delete reader;
ESP_LOGI(TAG, "File closed.");
}

10
main/TextStorage.h Normal file
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@ -0,0 +1,10 @@
#include "TextReader.h"
class TextStorage
{
public:
TextStorage();
TextReader* open(char* filename);
void close(TextReader* reader);
};

10
main/Typesetter.cpp Normal file
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@ -0,0 +1,10 @@
#include "Typesetter.h"
Typesetter::Typesetter()
{}
void Typesetter::preparePage(Page* page, char* text, size_t len)
{
page->text = text;
page->len = len;
}

13
main/Typesetter.h Normal file
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#include <stdlib.h>
#include "Page.h"
class Typesetter
{
public:
Typesetter();
void preparePage(Page* page, char* text, size_t len);
//private:
};

27
main/buttons.c Normal file
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@ -0,0 +1,27 @@
#include <stdlib.h>
#include "driver/gpio.h"
#include "buttons.h"
#define BTN_PIN_PLUS ((gpio_num_t)39)
#define BTN_PIN_OK ((gpio_num_t)37)
#define BTN_PIN_MINUS ((gpio_num_t)38)
void buttons_init()
{
gpio_config_t buttons_config;
buttons_config.intr_type = (gpio_int_type_t)GPIO_PIN_INTR_DISABLE;
buttons_config.mode = GPIO_MODE_INPUT;
buttons_config.pull_up_en = (gpio_pullup_t)1;
buttons_config.pull_down_en = (gpio_pulldown_t)0;
buttons_config.pin_bit_mask = (1LL << BTN_PIN_MINUS);
gpio_config(&buttons_config);
buttons_config.pin_bit_mask = (1LL << BTN_PIN_OK);
gpio_config(&buttons_config);
buttons_config.pin_bit_mask = (1LL << BTN_PIN_PLUS);
gpio_config(&buttons_config);
}
bool buttons_pressed_ok() { return gpio_get_level(BTN_PIN_OK) == 0; }
bool buttons_pressed_plus() { return gpio_get_level(BTN_PIN_PLUS) == 0; }
bool buttons_pressed_minus() { return gpio_get_level(BTN_PIN_MINUS) == 0; }

4
main/buttons.h Normal file
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void buttons_init();
bool buttons_pressed_ok();
bool buttons_pressed_plus();
bool buttons_pressed_minus();

2
main/config.h Normal file
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#define APP_VERSION "0.1"

102
main/display.c Normal file
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#include "spi_master_lobo.h"
#include "EPD.h"
#include <stdlib.h>
#include "esp_system.h"
#include "driver/gpio.h"
#include "esp_system.h"
#include "esp_heap_alloc_caps.h"
#include "esp_log.h"
#include "config.h"
#include "display.h"
void display_init()
{
disp_buffer = (uint8_t*)pvPortMallocCaps(EPD_DISPLAY_WIDTH * (EPD_DISPLAY_HEIGHT/8), MALLOC_CAP_DMA);
assert(disp_buffer);
drawBuff = disp_buffer;
gs_disp_buffer = (uint8_t*)pvPortMallocCaps(EPD_DISPLAY_WIDTH * EPD_DISPLAY_HEIGHT, MALLOC_CAP_DMA);
assert(gs_disp_buffer);
gs_drawBuff = gs_disp_buffer;
}
spi_lobo_device_interface_config_t devcfg;
spi_lobo_bus_config_t buscfg;
void spi_init()
{
gpio_set_direction(DC_Pin, GPIO_MODE_OUTPUT);
gpio_set_level(DC_Pin, 1);
gpio_set_direction(RST_Pin, GPIO_MODE_OUTPUT);
gpio_set_level(RST_Pin, 0);
gpio_set_direction(BUSY_Pin, GPIO_MODE_INPUT);
gpio_set_pull_mode(BUSY_Pin, GPIO_PULLUP_ONLY);
#ifdef POWER_Pin
gpio_set_direction(POWER_Pin, GPIO_MODE_OUTPUT);
gpio_set_level(POWER_Pin, 1);
#endif
buscfg.miso_io_num = -1; // set SPI MISO pin
buscfg.mosi_io_num = MOSI_Pin; // set SPI MOSI pin
buscfg.sclk_io_num = SCK_Pin; // set SPI CLK pin
buscfg.quadwp_io_num=-1;
buscfg.quadhd_io_num=-1;
buscfg.max_transfer_sz = 5*1024; // max transfer size is 4736 bytes
devcfg.clock_speed_hz=40000000; // SPI clock is 40 MHz
devcfg.mode=0; // SPI mode 0
devcfg.spics_io_num=-1; // we will use external CS pin
devcfg.spics_ext_io_num = CS_Pin; // external CS pin
devcfg.flags=SPI_DEVICE_HALFDUPLEX; // ALWAYS SET to HALF DUPLEX MODE for display spi !!
}
void display_connect()
{
int ret;
ret=spi_lobo_bus_add_device(SPI_BUS, &buscfg, &devcfg, &disp_spi);
assert(ret==ESP_OK);
printf("SPI: display device added to spi bus\r\n");
ret = spi_lobo_device_select(disp_spi, 1);
assert(ret==ESP_OK);
ret = spi_lobo_device_deselect(disp_spi);
assert(ret==ESP_OK);
printf("SPI: attached display device, speed=%u\r\n", spi_lobo_get_speed(disp_spi));
printf("SPI: bus uses native pins: %s\r\n", spi_lobo_uses_native_pins(disp_spi) ? "true" : "false");
//EPD_PowerOn();
}
void display_splash_screen()
{
EPD_DisplayClearPart();
EPD_fillScreen(0);
EPD_UpdateScreen();
EPD_setFont(COMIC24_FONT, NULL);
EPD_print("LilyBook", 30, 30);
EPD_setFont(DEFAULT_FONT, NULL);
EPD_print("Version:", 30, 70);
EPD_print(APP_VERSION, 100, 70);
EPD_UpdateScreen();
}
void display_clear()
{
EPD_fillScreen(_bg);
}
void display_refresh()
{
EPD_DisplayClearPart();
EPD_fillScreen(_bg);
}
void display_update()
{
EPD_UpdateScreen();
}

8
main/display.h Normal file
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void display_init();
void spi_init();
void display_connect();
void display_splash_screen();
void display_clear();
void display_refresh();
void display_update();

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main/img_hacking.c
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197
main/main.cpp
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@ -1,7 +1,6 @@
#include <time.h>
#include <errno.h>
#include <sys/fcntl.h>
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
@ -11,21 +10,21 @@
#include "driver/gpio.h"
#include "esp_system.h"
#include "esp_heap_alloc_caps.h"
#include "spiffs_vfs.h"
#include "esp_log.h"
#include "spi_master_lobo.h"
#include "img_hacking.c"
#include "EPD.h"
#include "storage.h"
#define APP_VERSION "0.1"
#define BTN_PIN_PLUS ((gpio_num_t)39)
#define BTN_PIN_OK ((gpio_num_t)37)
#define BTN_PIN_MINUS ((gpio_num_t)38)
static const char *TAG = "main";
extern "C" {
#include "config.h"
#include "buttons.h"
#include "storage.h"
#include "display.h"
}
#include "Typesetter.h"
#include "TextStorage.h"
#include "PagePrinter.h"
static struct tm* tm_info;
static char tmp_buff[128];
static time_t time_now, time_last = 0;
@ -33,172 +32,64 @@ static const char *file_fonts[3] = {"/spiffs/fonts/DotMatrix_M.fon", "/spiffs/fo
static const char tag[] = "[LilyBook]";
esp_err_t ret;
void display_init()
void sleep(unsigned int ms)
{
disp_buffer = (uint8_t*)pvPortMallocCaps(EPD_DISPLAY_WIDTH * (EPD_DISPLAY_HEIGHT/8), MALLOC_CAP_DMA);
assert(disp_buffer);
drawBuff = disp_buffer;
gs_disp_buffer = (uint8_t*)pvPortMallocCaps(EPD_DISPLAY_WIDTH * EPD_DISPLAY_HEIGHT, MALLOC_CAP_DMA);
assert(gs_disp_buffer);
gs_drawBuff = gs_disp_buffer;
}
spi_lobo_device_interface_config_t devcfg;
spi_lobo_bus_config_t buscfg;
void spi_init()
{
gpio_set_direction(DC_Pin, GPIO_MODE_OUTPUT);
gpio_set_level(DC_Pin, 1);
gpio_set_direction(RST_Pin, GPIO_MODE_OUTPUT);
gpio_set_level(RST_Pin, 0);
gpio_set_direction(BUSY_Pin, GPIO_MODE_INPUT);
gpio_set_pull_mode(BUSY_Pin, GPIO_PULLUP_ONLY);
#ifdef POWER_Pin
gpio_set_direction(POWER_Pin, GPIO_MODE_OUTPUT);
gpio_set_level(POWER_Pin, 1);
#endif
buscfg.miso_io_num = -1; // set SPI MISO pin
buscfg.mosi_io_num = MOSI_Pin; // set SPI MOSI pin
buscfg.sclk_io_num = SCK_Pin; // set SPI CLK pin
buscfg.quadwp_io_num=-1;
buscfg.quadhd_io_num=-1;
buscfg.max_transfer_sz = 5*1024; // max transfer size is 4736 bytes
devcfg.clock_speed_hz=40000000; // SPI clock is 40 MHz
devcfg.mode=0; // SPI mode 0
devcfg.spics_io_num=-1; // we will use external CS pin
devcfg.spics_ext_io_num = CS_Pin; // external CS pin
devcfg.flags=SPI_DEVICE_HALFDUPLEX; // ALWAYS SET to HALF DUPLEX MODE for display spi !!
}
void display_connect()
{
ret=spi_lobo_bus_add_device(SPI_BUS, &buscfg, &devcfg, &disp_spi);
assert(ret==ESP_OK);
printf("SPI: display device added to spi bus\r\n");
ret = spi_lobo_device_select(disp_spi, 1);
assert(ret==ESP_OK);
ret = spi_lobo_device_deselect(disp_spi);
assert(ret==ESP_OK);
printf("SPI: attached display device, speed=%u\r\n", spi_lobo_get_speed(disp_spi));
printf("SPI: bus uses native pins: %s\r\n", spi_lobo_uses_native_pins(disp_spi) ? "true" : "false");
//EPD_PowerOn();
}
void fs_init()
{
vfs_spiffs_register();
if (spiffs_is_mounted) {
ESP_LOGI(tag, "File system mounted.");
} else {
ESP_LOGE(tag, "Error mounting file system.");
}
if (storage_init() == 0) {
ESP_LOGI(tag, "SD card mounted.");
} else {
ESP_LOGE(tag, "Error mounting SD card.");
}
vTaskDelay(ms / portTICK_RATE_MS);
}
extern "C" void app_main()
{
gpio_config_t buttons_config;
buttons_config.intr_type = (gpio_int_type_t)GPIO_PIN_INTR_DISABLE;
buttons_config.mode = GPIO_MODE_INPUT;
buttons_config.pull_up_en = (gpio_pullup_t)1;
buttons_config.pull_down_en = (gpio_pulldown_t)0;
buttons_config.pin_bit_mask = (1LL << BTN_PIN_MINUS);
gpio_config(&buttons_config);
buttons_config.pin_bit_mask = (1LL << BTN_PIN_OK);
gpio_config(&buttons_config);
buttons_config.pin_bit_mask = (1LL << BTN_PIN_PLUS);
gpio_config(&buttons_config);
printf("\n LilyBook v%s\n\n", APP_VERSION);
storage_init();
buttons_init();
display_init();
spi_init();
vTaskDelay(500 / portTICK_RATE_MS);
printf("\n LilyBook v%s\n\n", APP_VERSION);
sleep(500);
display_connect();
display_splash_screen();
EPD_DisplayClearPart();
EPD_fillScreen(0);
EPD_UpdateScreen();
EPD_setFont(COMIC24_FONT, NULL);
EPD_print("LilyBook", 30, 30);
EPD_setFont(DEFAULT_FONT, NULL);
EPD_print("Version:", 30, 70);
EPD_print(APP_VERSION, 100, 70);
EPD_UpdateScreen();
EPD_wait(500);
fs_init();
sleep(500);
printf("==== START ====\r\n\n");
_gs = 1;
uint32_t tstart;
int pass = 0;
int font = DEJAVU18_FONT;//DEFAULT_FONT;
EPD_setFont(font, NULL);
Typesetter typesetter;
PagePrinter pagePrinter;
TextStorage textStorage;
TextReader* textReader = textStorage.open("/sdcard/book.txt");
Page page;
EPD_wait(100);
FILE* f = fopen("/sdcard/book.txt", "r");
long bookmark = 0;
while (1) {
EPD_fillScreen(_bg);
_fg = 15;
_bg = 0;
char text[1024];
if (f == NULL) {
ESP_LOGE(TAG, "Failed to open file for reading");
sprintf(text, "Could not open SD card.");
f = fopen("/sdcard/book.txt", "r");
char text[1024];
if (textReader != NULL) {
size_t read = textReader->read(bookmark, text, sizeof(text));
} else {
if (fread(text, 1, sizeof(text), f) > 0) {
ESP_LOGI(TAG, "Read content: %s", text);
} else {
ESP_LOGI(TAG, "End of file. Closing.");
fclose(f);
f = NULL;
}
strcpy(text, "File could not be opened.");
}
text_wrap = 1;
EPD_print(text, 0, 0);
EPD_UpdateScreen();
typesetter.preparePage(&page, text, sizeof(text));
display_clear();
pagePrinter.print(&page);
display_update();
while (1) {
EPD_wait(100);
if (gpio_get_level(BTN_PIN_OK) == 0) {
sleep(10);
if (buttons_pressed_ok()) {
ESP_LOGI(TAG, "Clear page.");
EPD_DisplayClearPart();
EPD_fillScreen(_bg);
EPD_print(text, 10, 10);
EPD_UpdateScreen();
}
if (gpio_get_level(BTN_PIN_PLUS) == 0) {
ESP_LOGI(TAG, "Turn page PLUS.");
display_refresh();
break;
}
if (gpio_get_level(BTN_PIN_MINUS) == 0) {
if (buttons_pressed_plus()) {
ESP_LOGI(TAG, "Turn page PLUS.");
bookmark += sizeof(text);
break;
}
if (buttons_pressed_minus()) {
ESP_LOGI(TAG, "Turn page MINUS.");
fseek(f, 2 * sizeof(text), SEEK_CUR);
bookmark -= sizeof(text);
break;
}
}

33
main/storage.cpp → main/storage.c
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@ -9,9 +9,10 @@
#include "driver/sdmmc_host.h"
#include "driver/sdspi_host.h"
#include "sdmmc_cmd.h"
#include "spiffs_vfs.h"
#include "storage.h"
static const char *TAG = "storage";
static const char *tag = "storage";
// This example can use SDMMC and SPI peripherals to communicate with SD card.
// By default, SDMMC peripheral is used.
@ -33,10 +34,10 @@ static const char *TAG = "storage";
#define PIN_NUM_CS ((gpio_num_t)13)
#endif //USE_SPI_MODE
int storage_init()
int sdcard_init()
{
#ifndef USE_SPI_MODE
ESP_LOGI(TAG, "Using SDMMC peripheral");
ESP_LOGI(tag, "Using SDMMC peripheral");
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
// This initializes the slot without card detect (CD) and write protect (WP) signals.
@ -86,10 +87,10 @@ int storage_init()
if (ret != ESP_OK) {
if (ret == ESP_FAIL) {
ESP_LOGE(TAG, "Failed to mount filesystem. "
ESP_LOGE(tag, "Failed to mount filesystem. "
"If you want the card to be formatted, set format_if_mount_failed = true.");
} else {
ESP_LOGE(TAG, "Failed to initialize the card (%s). "
ESP_LOGE(tag, "Failed to initialize the card (%s). "
"Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret));
}
return -1;
@ -100,3 +101,25 @@ int storage_init()
return 0;
}
int storage_init()
{
int ret = 0;
vfs_spiffs_register();
if (spiffs_is_mounted) {
ESP_LOGI(tag, "File system mounted.");
} else {
ESP_LOGE(tag, "Error mounting file system.");
ret += 1 << 1;
}
if (sdcard_init() == 0) {
ESP_LOGI(tag, "SD card mounted.");
} else {
ESP_LOGE(tag, "Error mounting SD card.");
ret += 1 << 2;
}
return ret;
}

2
main/storage.h
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@ -1,2 +1,2 @@
int storage_init();
int storage_init();