diff options
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c index 1b105ddb0..ffc07ad33 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c @@ -250,6 +250,15 @@ static void XPROGProtocol_WriteMemory(void) WriteMemory_XPROG_Params.Length = SwapEndian_16(WriteMemory_XPROG_Params.Length); Endpoint_Read_Stream_LE(&WriteMemory_XPROG_Params.ProgData, WriteMemory_XPROG_Params.Length, NULL); + // The driver will terminate transfers that are a round multiple of the endpoint bank in size with a ZLP, need + // to catch this and discard it before continuing on with packet processing to prevent communication issues + if (((sizeof(uint8_t) + sizeof(WriteMemory_XPROG_Params) - sizeof(WriteMemory_XPROG_Params.ProgData)) + + WriteMemory_XPROG_Params.Length) % AVRISP_DATA_EPSIZE == 0) + { + Endpoint_ClearOUT(); + Endpoint_WaitUntilReady(); + } + Endpoint_ClearOUT(); Endpoint_SelectEndpoint(AVRISP_DATA_IN_EPNUM); Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); |