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Set Olimex baud rate on startup.

This commit is contained in:
Peter Jansen 2010-06-29 12:17:57 +12:00 committed by Daniel Beer
parent 4824ab7750
commit cf2cdd324e
1 changed files with 11 additions and 0 deletions
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11
olimex.c
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@ -57,6 +57,7 @@ struct olimex_transport {
#define CP210x_REQTYPE_HOST_TO_DEVICE 0x41 #define CP210x_REQTYPE_HOST_TO_DEVICE 0x41
#define CP210X_IFC_ENABLE 0x00 #define CP210X_IFC_ENABLE 0x00
#define CP210X_SET_BAUDDIV 0x01
#define CP210X_SET_MHS 0x07 #define CP210X_SET_MHS 0x07
#define TIMEOUT 1000 #define TIMEOUT 1000
@ -104,6 +105,16 @@ static int open_interface(struct olimex_transport *tr,
printf(__FILE__": %s : Sending control message ret %d\n", printf(__FILE__": %s : Sending control message ret %d\n",
__FUNCTION__, ret); __FUNCTION__, ret);
#endif #endif
/* Set the baud rate to 500000 bps */
ret = usb_control_msg(tr->handle, CP210x_REQTYPE_HOST_TO_DEVICE,
CP210X_SET_BAUDDIV, 0x7, 0, NULL, 0, 300);
#ifdef DEBUG_OLIMEX
printf(__FILE__": %s : Sending control message ret %d\n",
__FUNCTION__, ret);
#endif
/* Set the modem control settings.
* Set RTS, DTR and WRITE_DTR, WRITE_RTS
*/
ret = usb_control_msg(tr->handle, CP210x_REQTYPE_HOST_TO_DEVICE, ret = usb_control_msg(tr->handle, CP210x_REQTYPE_HOST_TO_DEVICE,
CP210X_SET_MHS, 0x303, 0, NULL, 0, 300); CP210X_SET_MHS, 0x303, 0, NULL, 0, 300);
#ifdef DEBUG_OLIMEX #ifdef DEBUG_OLIMEX