sync

firmware/src/audio.c

@@ -77,7 +77,7 @@ static int audio_fill_slab_from_cache(void *block)
         return -ENODATA;
     }
 
-    bytes_read = fs_read(&cached_file, bytes, AUDIO_BLOCK_SIZE);
+    bytes_read = fs_read(&cached_file, bytes, AUDIO_BLOCK_SIZE/2);
     if (bytes_read < 0)
     {
         LOG_ERR("fs_read failed: %d", (int)bytes_read);
@@ -96,6 +96,12 @@ static int audio_fill_slab_from_cache(void *block)
         cached_file_eof = true;
     }
 
+    for (int i = AUDIO_BLOCK_SIZE/2 - 1; i >= 0; i--)
+    {
+        bytes[2*i + 1] = bytes[i];
+        bytes[2*i] = bytes[i];
+    }
+    
     return 0;
 }
 

firmware/src/protocol.c

@@ -25,7 +25,7 @@ static protocol_cmd_t current_command = CMD_INVALID;
 void send_ok()
 {
     const char *response = "OK\n";
-    LOG_DBG("Sending response: %s", response);
+    LOG_DBG("Sending response: OK");
     usb_write_buffer((const uint8_t *)response, strlen(response));
 }
 
@@ -33,7 +33,7 @@ void send_error(int32_t error_code)
 {
     char response[32];
     snprintf(response, sizeof(response), "ERR %d\n", error_code);
-    LOG_DBG("Sending response: %s", response);
+    LOG_DBG("Sending response: ERR %d", error_code);
     usb_write_buffer((const uint8_t *)response, strlen(response));
 }
 
@@ -86,6 +86,7 @@ int put_binary_file(const char *filename, ssize_t filesize, uint32_t expected_cr
     size_t accumulated = 0;
 
     fs_file_t_init(&file);
+    fs_unlink(filename);
     LOG_DBG("Opening file '%s' for writing (expected size: %zd bytes, expected CRC32: 0x%08x)", filename, filesize, expected_crc32);
     rc = fs_open(&file, filename, FS_O_CREATE | FS_O_WRITE);
     if (rc < 0)