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Correctedout buffer size and missing jlink_tap_init() call. 

Expanded JLink adapter info at startup.


git-svn-id: svn://svn.berlios.de/openocd/trunk@1556 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
mlu 2009-04-28 17:40:02 +00:00
parent 154d8241c9
commit f1864e3e92
1 changed files with 45 additions and 17 deletions
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62
src/jtag/jlink.c
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@ -44,7 +44,7 @@
// See Section 1.3.2 of the Segger JLink USB protocol manual // See Section 1.3.2 of the Segger JLink USB protocol manual
#define JLINK_IN_BUFFER_SIZE 2048 #define JLINK_IN_BUFFER_SIZE 2048
#define JLINK_OUT_BUFFER_SIZE 2048 #define JLINK_OUT_BUFFER_SIZE 2*2048+4
#define JLINK_EMU_RESULT_BUFFER_SIZE 64 #define JLINK_EMU_RESULT_BUFFER_SIZE 64
/* Global USB buffers */ /* Global USB buffers */
@ -53,14 +53,16 @@ static u8 usb_out_buffer[JLINK_OUT_BUFFER_SIZE];
static u8 usb_emu_result_buffer[JLINK_EMU_RESULT_BUFFER_SIZE]; static u8 usb_emu_result_buffer[JLINK_EMU_RESULT_BUFFER_SIZE];
/* Constants for JLink command */ /* Constants for JLink command */
#define EMU_CMD_VERSION 0x01 #define EMU_CMD_VERSION 0x01
#define EMU_CMD_SET_SPEED 0x05 #define EMU_CMD_SET_SPEED 0x05
#define EMU_CMD_GET_STATE 0x07 #define EMU_CMD_GET_STATE 0x07
#define EMU_CMD_HW_JTAG3 0xcf #define EMU_CMD_HW_JTAG3 0xcf
#define EMU_CMD_HW_RESET0 0xdc #define EMU_CMD_GET_MAX_MEM_BLOCK 0xd4
#define EMU_CMD_HW_RESET1 0xdd #define EMU_CMD_HW_RESET0 0xdc
#define EMU_CMD_HW_TRST0 0xde #define EMU_CMD_HW_RESET1 0xdd
#define EMU_CMD_HW_TRST1 0xdf #define EMU_CMD_HW_TRST0 0xde
#define EMU_CMD_HW_TRST1 0xdf
#define EMU_CMD_GET_CAPS 0xe8
/* max speed 12MHz v5.0 jlink */ /* max speed 12MHz v5.0 jlink */
#define JLINK_MAX_SPEED 12000 #define JLINK_MAX_SPEED 12000
@ -530,6 +532,7 @@ static int jlink_get_version_info(void)
{ {
int result; int result;
int len; int len;
u32 jlink_caps, jlink_max_size;
/* query hardware version */ /* query hardware version */
jlink_simple_command(EMU_CMD_VERSION); jlink_simple_command(EMU_CMD_VERSION);
@ -537,8 +540,7 @@ static int jlink_get_version_info(void)
result = jlink_usb_read(jlink_jtag_handle, 2); result = jlink_usb_read(jlink_jtag_handle, 2);
if (2 != result) if (2 != result)
{ {
LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n", LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n", result);
result);
return ERROR_JTAG_DEVICE_ERROR; return ERROR_JTAG_DEVICE_ERROR;
} }
@ -546,14 +548,41 @@ static int jlink_get_version_info(void)
result = jlink_usb_read(jlink_jtag_handle, len); result = jlink_usb_read(jlink_jtag_handle, len);
if (result != len) if (result != len)
{ {
LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n", LOG_ERROR("J-Link command EMU_CMD_VERSION failed (%d)\n", result);
result);
return ERROR_JTAG_DEVICE_ERROR; return ERROR_JTAG_DEVICE_ERROR;
} }
usb_in_buffer[result] = 0; usb_in_buffer[result] = 0;
LOG_INFO("%s", (char *)usb_in_buffer); LOG_INFO("%s", (char *)usb_in_buffer);
/* query hardware capabilities */
jlink_simple_command(EMU_CMD_GET_CAPS);
result = jlink_usb_read(jlink_jtag_handle, 4);
if (4 != result)
{
LOG_ERROR("J-Link command EMU_CMD_GET_CAPS failed (%d)\n", result);
return ERROR_JTAG_DEVICE_ERROR;
}
jlink_caps = buf_get_u32(usb_in_buffer, 0, 32);
LOG_INFO("JLink caps 0x%x", jlink_caps);
/* query hardware maximum memory block */
jlink_simple_command(EMU_CMD_GET_MAX_MEM_BLOCK);
result = jlink_usb_read(jlink_jtag_handle, 4);
if (4 != result)
{
LOG_ERROR("J-Link command EMU_CMD_GET_MAX_MEM_BLOCK failed (%d)\n", result);
return ERROR_JTAG_DEVICE_ERROR;
}
jlink_max_size = buf_get_u32(usb_in_buffer, 0, 32);
LOG_INFO("JLink max mem block %i", jlink_max_size);
return ERROR_OK; return ERROR_OK;
} }
@ -689,8 +718,8 @@ static int jlink_tap_execute(void)
result = jlink_usb_message(jlink_jtag_handle, 4 + 2 * byte_length, byte_length); result = jlink_usb_message(jlink_jtag_handle, 4 + 2 * byte_length, byte_length);
if (result != byte_length) if (result != byte_length)
{ {
LOG_ERROR("jlink_tap_execute, wrong result %d (expected %d)", LOG_ERROR("jlink_tap_execute, wrong result %d (expected %d)", result, byte_length);
result, byte_length); jlink_tap_init();
return ERROR_JTAG_QUEUE_FAILED; return ERROR_JTAG_QUEUE_FAILED;
} }
@ -726,7 +755,6 @@ static int jlink_tap_execute(void)
} }
jlink_tap_init(); jlink_tap_init();
return ERROR_OK; return ERROR_OK;
} }
@ -800,7 +828,7 @@ static int jlink_usb_message(jlink_jtag_t *jlink_jtag, int out_length, int in_le
} }
result = jlink_usb_read(jlink_jtag, in_length); result = jlink_usb_read(jlink_jtag, in_length);
if ((result != in_length) && (result != in_length + 1)) if ((result != in_length) && (result != (in_length + 1)))
{ {
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)",
in_length, result); in_length, result);