Merge branch 'experiments/posix_fs' into feature/spiffs

.gitmodules

@@ -10,7 +10,9 @@
 [submodule "bootloader/rboot"]
 	path = bootloader/rboot
 	url = https://github.com/raburton/rboot.git
-
 [submodule "extras/spiffs/spiffs"]
 	path = extras/spiffs/spiffs
 	url = https://github.com/pellepl/spiffs.git
+[submodule "examples/posix_fs/fs-test"]
+	path = examples/posix_fs/fs-test
+	url = https://github.com/sheinz/fs-test

core/newlib_syscalls.c

@@ -41,7 +41,7 @@ IRAM caddr_t _sbrk_r (struct _reent *r, int incr)
 }
 
 /* syscall implementation for stdio write to UART */
-long _write_r(struct _reent *r, int fd, const char *ptr, int len )
+__attribute__((weak)) long _write_r(struct _reent *r, int fd, const char *ptr, int len )
 {
     if(fd != r->_stdout->_file) {
         r->_errno = EBADF;
@@ -79,10 +79,20 @@ __attribute__((weak)) long _read_r( struct _reent *r, int fd, char *ptr, int len
 /* Stub syscall implementations follow, to allow compiling newlib functions that
    pull these in via various codepaths
 */
-__attribute__((alias("syscall_returns_enosys"))) int _open_r(struct _reent *r, const char *pathname, int flags, int mode);
-__attribute__((alias("syscall_returns_enosys"))) int _fstat_r(struct _reent *r, int fd, void *buf);
-__attribute__((alias("syscall_returns_enosys"))) int _close_r(struct _reent *r, int fd);
-__attribute__((alias("syscall_returns_enosys"))) off_t _lseek_r(struct _reent *r, int fd, off_t offset, int whence);
+__attribute__((weak, alias("syscall_returns_enosys"))) 
+int _open_r(struct _reent *r, const char *pathname, int flags, int mode);
+
+__attribute__((weak, alias("syscall_returns_enosys"))) 
+int _close_r(struct _reent *r, int fd);
+
+__attribute__((weak, alias("syscall_returns_enosys"))) 
+int _unlink_r(struct _reent *r, const char *path);
+
+__attribute__((alias("syscall_returns_enosys"))) 
+int _fstat_r(struct _reent *r, int fd, void *buf);
+
+__attribute__((alias("syscall_returns_enosys"))) 
+off_t _lseek_r(struct _reent *r, int fd, off_t offset, int whence);
 
 /* Generic stub for any newlib syscall that fails with errno ENOSYS
    ("Function not implemented") and a return value equivalent to

examples/posix_fs/Makefile

@@ -0,0 +1,11 @@
+PROGRAM=posix_fs_example
+PROGRAM_EXTRA_SRC_FILES=./fs-test/fs_test.c
+
+EXTRA_COMPONENTS = extras/spiffs
+FLASH_SIZE = 32
+
+# spiffs configuration
+SPIFFS_BASE_ADDR = 0x200000
+SPIFFS_SIZE = 0x100000
+
+include ../../common.mk

examples/posix_fs/fs-test

@@ -0,0 +1 @@
+Subproject commit 218c5235584429f407d619e5e35f90732ad505f3

examples/posix_fs/posix_fs_example.c

@@ -0,0 +1,41 @@
+#include "espressif/esp_common.h"
+#include "esp/uart.h"
+#include "FreeRTOS.h"
+#include "task.h"
+#include "esp8266.h"
+#include <stdio.h>
+
+#include "esp_spiffs.h"
+#include "spiffs.h"
+
+#include "fs-test/fs_test.h"
+
+
+void test_task(void *pvParameters)
+{
+    esp_spiffs_mount();
+    esp_spiffs_unmount();  // FS must be unmounted before formating
+    if (SPIFFS_format(&fs) == SPIFFS_OK) {
+        printf("Format complete\n");
+    } else {
+        printf("Format failed\n");
+    }
+    esp_spiffs_mount();
+
+    while (1) {
+        vTaskDelay(5000 / portTICK_RATE_MS);
+
+        if (fs_test_run(1000)) {
+            printf("PASS\n");
+        } else {
+            printf("FAIL\n");
+        }
+    }
+}
+
+void user_init(void)
+{
+    uart_set_baud(0, 115200);
+
+    xTaskCreate(test_task, (signed char *)"test_task", 1024, NULL, 2, NULL);
+}