From 173831d592f918fbe7bee4e3a3fcb4b3f5841b70 Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Date: Thu, 13 Oct 2011 16:32:19 +0200
Subject: [PATCH] Add a buffer to hold the command

Signed-off-by: Karl Palsson <karlp@tweak.net.au>
---
 src/stlink-common.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/stlink-common.h b/src/stlink-common.h
index da78549..237aa66 100644
--- a/src/stlink-common.h
+++ b/src/stlink-common.h
@@ -76,6 +76,9 @@ extern "C" {
 #define CM3_REG_FP_CTRL 0xE0002000
 #define CM3_REG_FP_COMP0 0xE0002008
 
+/* Enough space to hold both a V2 command or a V1 command packaged as generic scsi*/
+#define C_BUF_LEN 32
+
     typedef struct {
         uint32_t r[16];
         uint32_t xpsr;
@@ -142,6 +145,8 @@ extern "C" {
         struct _stlink_backend *backend;
         void *backend_data;
 
+        // Room for the command header
+        unsigned char c_buf[C_BUF_LEN];
         // Data transferred from or to device
         unsigned char q_buf[Q_BUF_LEN];
         int q_len;