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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <eos.h>
#include <sdc_crypto.h>
#include <eve/eve.h>
#include <eve/eve_kbd.h>
#include <eve/eve_font.h>
#include <eve/screen/window.h>
#include <eve/screen/page.h>
#include <eve/screen/form.h>
#include <eve/widget/widgets.h>
#include <aes/aes.h>
#include <fsfat/ff.h>
#include "fs.h"
FATFS fs;
#define TEXT_SIZE 128
#define TEXT_FN "test.txt"
#define KEY "passwordpassword"
PARTITION VolToPart[FF_VOLUMES] = {
{0, 1} /* "0:" ==> 1st partition on the pd#0 */
};
static EOSSDCCrypto sdcc;
static AESCtx ctx_crypt;
static AESCtx ctx_essiv;
void app_fs(EVEWindow *window, EVEViewStack *stack) {
EVEWidgetSpec spec[] = {
{
.label.title = "Text",
.widget.type = EVE_WIDGET_TYPE_STR,
.widget.spec.str.str_size = TEXT_SIZE,
},
};
EVEForm *form = eve_form_create(window, stack, spec, 1, NULL, NULL, app_fs_close);
EVEStrWidget *text = (EVEStrWidget *)eve_page_widget(&form->p, 0);
FIL f;
FRESULT rv;
eos_spi_select(EOS_SPI_DEV_SDC);
rv = f_open(&f, TEXT_FN, FA_READ);
printf("f_open:%d\n", rv);
if (!rv) {
UINT r;
rv = f_read(&f, text->str, TEXT_SIZE-1, &r);
printf("f_read:%d\n", rv);
if (rv != FR_OK) r = 0;
text->str[r] = '\0';
f_close(&f);
}
eos_spi_select(EOS_SPI_DEV_EVE);
eve_strw_update(text);
}
void app_fs_close(EVEForm *form) {
EVEStrWidget *text = (EVEStrWidget *)eve_page_widget(&form->p, 0);
FIL f;
FRESULT rv;
eos_spi_select(EOS_SPI_DEV_SDC);
rv = f_open(&f, TEXT_FN, FA_WRITE | FA_CREATE_ALWAYS);
printf("f_open:%d\n", rv);
if (!rv) {
UINT w;
rv = f_write(&f, text->str, strlen(text->str), &w);
printf("f_write:%d\n", rv);
f_close(&f);
}
eos_spi_select(EOS_SPI_DEV_EVE);
eve_form_destroy(form);
}
void app_fs_init(void) {
FRESULT rv;
eos_sdcc_init(&sdcc, KEY, &ctx_crypt, (eve_sdcc_init_t)aes_init, (eve_sdcc_crypt_t)aes_cbc_encrypt, (eve_sdcc_crypt_t)aes_cbc_decrypt, &ctx_essiv, (eve_sdcc_init_t)aes_init, (eve_sdcc_essiv_t)aes_ecb_encrypt);
eos_spi_select(EOS_SPI_DEV_SDC);
rv = f_mount(&fs, "", 1);
printf("f_mount:%d\n", rv);
if (rv == FR_NO_FILESYSTEM) {
uint8_t w[FF_MAX_SS];
LBA_t plist[] = {100, 0};
rv = f_fdisk(0, plist, w);
printf("f_fdisk:%d\n", rv);
rv = f_mkfs("0:", 0, w, sizeof(w));
printf("f_mkfs:%d\n", rv);
rv = f_mount(&fs, "", 1);
printf("f_mount:%d\n", rv);
}
eos_spi_deselect();
}
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