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- Log -----------------------------------------------------------------
commit 0b641dac717ffe1391cc53dc33ad78ba79a26d2c
Author: simon qian <sim...@gm...>
Date: Sun Jan 17 23:37:15 2010 -0800
read target voltage first in vsllink
The very first command after init command should be "read target voltage".
This is a tweak for the Old Versaloon firmware. Without this, in most
most cases, it works. Under Ubuntu9.04, there is a chance that the USB
will fail. The problem disappears if I read target voltage first.
For the lastest Versaloon firmware, it's OK.
Signed-off-by: David Brownell <dbr...@us...>
diff --git a/src/jtag/drivers/vsllink.c b/src/jtag/drivers/vsllink.c
index d301290..5c9a8db 100644
--- a/src/jtag/drivers/vsllink.c
+++ b/src/jtag/drivers/vsllink.c
@@ -476,6 +476,14 @@ static int vsllink_init(void)
}
VSLLINK_USB_TIMEOUT = to_tmp;
+ vsllink_simple_command(0x01);
+ result = vsllink_usb_read(vsllink_handle);
+ if (result != 2)
+ LOG_WARNING("Fail to get target voltage");
+ else
+ LOG_INFO("Target runs at %d mV", vsllink_usb_in_buffer[0]
+ + (vsllink_usb_in_buffer[1] << 8));
+
// connect to vsllink
vsllink_connect();
// initialize function pointers
-----------------------------------------------------------------------
Summary of changes:
src/jtag/drivers/vsllink.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
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