TFTP

Add virtText.txt

project/Core/Src/tftp.c

@@ -13,7 +13,8 @@ extern struct llfs_data_file* llfs_root;
 static tftp_custom_file_t virt_file[] =
     {
         {.name = "index.txt",.data = NULL, .len = 0, .ofset = 0},
-        {.name = "virtImage.raw",.data = NULL, .len = 0, .ofset = 0}
+        {.name = "virtImage.raw",.data = NULL, .len = 0, .ofset = 0},
+        {.name = "virtText.txt",.data = NULL, .len = 0, .ofset = 0}
     };
 
 int str_cat_str(char* dest, size_t dest_size, const char* src) {
@@ -103,6 +104,8 @@ void* tftp_open(const char* fname, const char* mode, uint8_t write) {
         return &virt_file[0];
     } else if (strcmp(fname, virt_file[1].name) == 0 && write != TFTP_READ) {
         return &virt_file[1];
+    } else if (strcmp(fname, virt_file[2].name) == 0 && write != TFTP_READ) {
+        return &virt_file[2];
     }
 
     // TODO: waiting on Lorentz to finish creating f* functions for LLFS
@@ -120,7 +123,9 @@ void tftp_close(void* handle) {
         LOG_CRIT(TAG, "handle is null");
         return;
     }
-    if (handle == &virt_file[0] || handle == &virt_file[1]) {
+
+    if (handle == &virt_file[0] || handle == &virt_file[1] || handle == &virt_file[2]) {
+        ((tftp_custom_file_t*)handle)->ofset = 0;
         return;
     }
 
@@ -153,6 +158,9 @@ int tftp_read(void* handle, void* buf, int bytes) {
     } else if ((tftp_custom_file_t*)file == &virt_file[1]) {
         LOG_CRIT(TAG, "Exception: Trying to read a write only file");
         return -1;
+    } else if ((tftp_custom_file_t*)file == &virt_file[2]) {
+        LOG_CRIT(TAG, "Exception: Trying to read a write only file");
+        return -1;
     }
     // TODO: waiting on Lorentz to finish creating f* functions for LLFS
     ret = fread(buf, sizeof(uint8_t), bytes, file);
@@ -206,6 +214,9 @@ void init_index(void)
         str_cat(virt_file[0].data, len, '\n');
         root = root->next;
     }
+
+    virt_file[2].data = malloc(100);
+    virt_file[2].len = 100;
 }
 
 struct tftp_context tftpContext_s = {
@@ -239,4 +250,7 @@ void tftp_server_deinit(void) {
     virt_file[0].data = NULL;
     virt_file[0].len = 0;
     virt_file[0].ofset = 0;
+    free(virt_file[2].data);
+    virt_file[2].data = NULL;
+    virt_file[2].len = 0;
 }