Upgraded to UniFlash, removed unsupported FDLs and fixed a critical HDLC encoding issue

unicmd.py

@@ -41,14 +41,15 @@ def hdlc_encode(data, fdl = False, nocrc = False):
         else:
             crc = crc16_xmodem(data)
     out = []
-    for c in data:
+    rdata = bytearray(data + pack('>H', crc))
+    for c in rdata:
         if c == 0x7e or c == 0x7d:
             out.append(0x7d)
             out.append(c ^ 0x20)
         else:
             out.append(c)
     out = bytes(out)
-    return b'\x7e' + out + pack('>HB', crc, 0x7e)
+    return b'\x7e' + out + b'\x7e'
 
 def hdlc_decode(data, fdl = False, ignoreCrc = False): # HDLC bug in Unisoc: CRC is also encoded!!!
     rawdata = bytearray(data[1:-1])
@@ -220,6 +221,10 @@ def cmd_data_start(targetAddr, targetLen):
     datahdr = pack('>LL', targetAddr, targetLen)
     return shape_data_packet(BSL_CMD_START_DATA, datahdr)
 
+def cmd_data_start_flash(targetPartId, targetLen, checksum):
+    datahdr = pack('>LLL', targetPartId, targetLen, checksum)
+    return shape_data_packet(BSL_CMD_START_DATA, datahdr)
+
 def cmd_data_send(data):
     return shape_data_packet(BSL_CMD_MIDST_DATA, data)
 
@@ -255,8 +260,10 @@ def cmd_read_sector_size():
 def cmd_read_flash_type():
     return shape_cmd_packet(BSL_CMD_READ_FLASH_TYPE)
 
-def cmd_enable_flash():
-    return shape_cmd_packet(BSL_CMD_ENABLE_WRITE_FLASH)
+def cmd_enable_flash(targetAddr):
+    #datahdr = pack('>L', targetAddr)
+    datahdr = pack('>LL', targetAddr, 1)
+    return shape_data_packet(BSL_CMD_ENABLE_WRITE_FLASH, datahdr)
 
 def cmd_read_flash_info():
     return shape_cmd_packet(BSL_CMD_READ_FLASH_INFO)