Fixed incorrect comparison in the descriptor callback routine of the TeensyHID bootlo...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / StillImage.c

diff --git a/LUFA/Drivers/USB/Class/Host/StillImage.c b/LUFA/Drivers/USB/Class/Host/StillImage.c
index 577f619..50be7d6 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/StillImage.c
+++ b/LUFA/Drivers/USB/Class/Host/StillImage.c
@@ -151,7 +151,8 @@ uint8_t SImage_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceIn
        if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))\r
          return PIPE_RWSTREAM_DeviceDisconnected;\r
 \r
-       PIMAHeader->TransactionID = SIInterfaceInfo->State.TransactionID++;\r
+       if (SIInterfaceInfo->State.IsSessionOpen)\r
+         PIMAHeader->TransactionID = SIInterfaceInfo->State.TransactionID++;\r
 \r
        Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);\r
        Pipe_Unfreeze();\r
@@ -315,12 +316,15 @@ uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
 \r
        uint8_t ErrorCode;\r
 \r
+       SIInterfaceInfo->State.TransactionID = 0;\r
+       SIInterfaceInfo->State.IsSessionOpen = false;\r
+\r
        SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)\r
                                                        {\r
-                                                               .DataLength    = PIMA_COMMAND_SIZE(0),\r
+                                                               .DataLength    = PIMA_COMMAND_SIZE(1),\r
                                                                .Type          = CType_CommandBlock,\r
                                                                .Code          = 0x1002,\r
-                                                               .Params        = {},\r
+                                                               .Params        = {1},\r
                                                        };\r
                                                        \r
        if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r
@@ -332,7 +336,6 @@ uint8_t SImage_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
        if ((PIMABlock.Type != CType_ResponseBlock) || (PIMABlock.Code != 0x2001))\r
          return SI_ERROR_LOGICAL_CMD_FAILED;\r
          \r
-       SIInterfaceInfo->State.TransactionID = 0;\r
        SIInterfaceInfo->State.IsSessionOpen = true;\r
 \r
        return PIPE_RWSTREAM_NoError;\r
@@ -347,10 +350,10 @@ uint8_t SImage_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
 \r
        SI_PIMA_Container_t PIMABlock = (SI_PIMA_Container_t)\r
                                                        {\r
-                                                               .DataLength    = PIMA_COMMAND_SIZE(0),\r
+                                                               .DataLength    = PIMA_COMMAND_SIZE(1),\r
                                                                .Type          = CType_CommandBlock,\r
                                                                .Code          = 0x1003,\r
-                                                               .Params        = {},\r
+                                                               .Params        = {1},\r
                                                        };\r
                                                        \r
        if ((ErrorCode = SImage_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)\r