RAFlasher: add SCI (UART) method

diff --git a/raflash/RAConnect.py b/raflash/RAConnect.py
index d2f47bf..44bc50b 100644 (file)
--- a/raflash/RAConnect.py
+++ b/raflash/RAConnect.py
@@ -25,7 +25,7 @@ MAX_TRANSFER_SIZE = 2048 + 6 # include header and footer
 
 
 class RAConnect:
-    def __init__(self, vendor_id, product_id):
+    def __init__(self, vendor_id, product_id, port=None):
         self.vendor_id = vendor_id
         self.product_id = product_id
         self.max_tries = 20
@@ -34,7 +34,7 @@ class RAConnect:
         self.chip_layout = []
         self.sel_area = 0 # default to Area 0
 
-        self.find_device()
+        self.find_device(port)
         status_conn = self.inquire_connection()
         if not status_conn:
             self.confirm_connection()
@@ -47,8 +47,9 @@ class RAConnect:
 
         return None
 
-    def find_device(self):
-        port = self.find_port()
+    def find_device(self, port):
+        if port is None:
+            port = self.find_port()
         try:
             self.dev = serial.Serial(port, 9600)
         except Exception as err:

diff --git a/raflash/RAFlasher.py b/raflash/RAFlasher.py
index 077b976..f7f4190 100644 (file)
--- a/raflash/RAFlasher.py
+++ b/raflash/RAFlasher.py
@@ -207,22 +207,26 @@ def main():
     write_parser.add_argument("--start_address", type=hex_type, default='0x0000', help="Start address")
     write_parser.add_argument("--size", type=hex_type, default=None, help="Size in bytes")
     write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
+    write_parser.add_argument("--port", type=str, default=None, help="Port location")
     write_parser.add_argument("file_name", type=str, help="File name")
 
     read_parser = subparsers.add_parser("read", help="Read data from flash")
     read_parser.add_argument("--start_address", type=hex_type, default='0x0000', help="Start address")
     read_parser.add_argument("--size", type=hex_type, default=None, help="Size in bytes")
+    read_parser.add_argument("--port", type=str, default=None, help="Port location")
     read_parser.add_argument("file_name", type=str, help="File name")
 
     erase_parser = subparsers.add_parser("erase", help="Erase sectors")
     erase_parser.add_argument("--start_address", default='0x0000', type=hex_type, help="Start address")
     erase_parser.add_argument("--size", type=hex_type, help="Size")
+    erase_parser.add_argument("--port", type=str, default=None, help="Port location")
 
-    subparsers.add_parser("info", help="Show flasher information")
+    info_parser = subparsers.add_parser("info", help="Show flasher information")
+    info_parser.add_argument("--port", type=str, default=None, help="Port location")
 
     args = parser.parse_args()        
     if args.command in commands:
-        dev = RAConnect(VENDOR_ID, PRODUCT_ID)
+        dev = RAConnect(VENDOR_ID, PRODUCT_ID, args.port)
         area_cfg = get_area_info(dev)
         dev.set_chip_layout(area_cfg)
         commands[args.command](dev, args)