From 0ba3fd9a0f1bfc599afb209df383cc5c98175b98 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Thu, 20 May 2021 19:25:08 +0200
Subject: filesystem test app

---
 fw/fe310/test/fs.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 fw/fe310/test/fs.h |   3 ++
 2 files changed, 107 insertions(+)
 create mode 100644 fw/fe310/test/fs.c
 create mode 100644 fw/fe310/test/fs.h

diff --git a/fw/fe310/test/fs.c b/fw/fe310/test/fs.c
new file mode 100644
index 0000000..e8b3587
--- /dev/null
+++ b/fw/fe310/test/fs.c
@@ -0,0 +1,104 @@
+#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();
+}
\ No newline at end of file
diff --git a/fw/fe310/test/fs.h b/fw/fe310/test/fs.h
new file mode 100644
index 0000000..c525c5b
--- /dev/null
+++ b/fw/fe310/test/fs.h
@@ -0,0 +1,3 @@
+void app_fs(EVEWindow *window, EVEViewStack *stack);
+void app_fs_close(EVEForm *form);
+void app_fs_init(void);
-- 
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