jackcartersmith/xilinx-usb-driver
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correctly set the baudrate, this speeds up things a bit

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This commit is contained in:
michael 2007-04-30 23:52:35 +00:00
parent 23d61681a4
commit 66c1fd53cb
1 changed files with 6 additions and 5 deletions
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11
jtagkey.c
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@ -7,6 +7,7 @@
#include "jtagkey.h" #include "jtagkey.h"
#define USBBUFSIZE 1048576 #define USBBUFSIZE 1048576
#define JTAG_SPEED 100000
#define SLOW_AND_SAFE 1 #define SLOW_AND_SAFE 1
static struct ftdi_context ftdic; static struct ftdi_context ftdic;
@ -51,11 +52,6 @@ static int jtagkey_init(unsigned short vid, unsigned short pid) {
return ret; return ret;
} }
if ((ret = ftdi_set_baudrate(&ftdic, 500000)) != 0) {
fprintf(stderr, "unable to set baudrate: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
c = 0x00; c = 0x00;
ftdi_write_data(&ftdic, &c, 1); ftdi_write_data(&ftdic, &c, 1);
@ -64,6 +60,11 @@ static int jtagkey_init(unsigned short vid, unsigned short pid) {
return ret; return ret;
} }
if ((ret = ftdi_set_baudrate(&ftdic, JTAG_SPEED)) != 0) {
fprintf(stderr, "unable to set baudrate: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
bitbang_mode = BITMODE_SYNCBB; bitbang_mode = BITMODE_SYNCBB;
if ((ret = ftdi_usb_purge_buffers(&ftdic)) != 0) { if ((ret = ftdi_usb_purge_buffers(&ftdic)) != 0) {