X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=blobdiff_plain;f=ftdi%2Fftdi.c;h=d4738a9735caba3d8406991fd6ec3cfd1d54ce2c;hp=2ccc2b7685b319a8f8420130c8894d861517715b;hb=5fdb1cb1f352985eac3dae9acd741e485adc8b52;hpb=979a145c5ae69c8f6b28da72ad6d9f6a833f61a4 diff --git a/ftdi/ftdi.c b/ftdi/ftdi.c index 2ccc2b7..d4738a9 100644 --- a/ftdi/ftdi.c +++ b/ftdi/ftdi.c @@ -3,7 +3,7 @@ ------------------- begin : Fri Apr 4 2003 copyright : (C) 2003 by Intra2net AG - email : info@intra2net.com + email : opensource@intra2net.com ***************************************************************************/ /*************************************************************************** @@ -102,6 +102,19 @@ int ftdi_usb_reset(struct ftdi_context *ftdi) { return 0; } +int ftdi_usb_purge_buffers(struct ftdi_context *ftdi) { + if (usb_control_msg(ftdi->usb_dev, 0x40, 0, 1, 0, NULL, 0, ftdi->usb_timeout) != 0) { + ftdi->error_str = "FTDI purge of RX buffer failed"; + return -1; + } + + if (usb_control_msg(ftdi->usb_dev, 0x40, 0, 2, 0, NULL, 0, ftdi->usb_timeout) != 0) { + ftdi->error_str = "FTDI purge of TX buffer failed"; + return -1; + } + + return 0; +} /* ftdi_usb_close return codes 0: all fine @@ -289,6 +302,7 @@ int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency) { return -1; } + usb_val = latency; if (usb_control_msg(ftdi->usb_dev, 0x40, 0x09, usb_val, 0, NULL, 0, ftdi->usb_timeout) != 0) { ftdi->error_str = "Unable to set latency timer"; return -2; @@ -299,7 +313,7 @@ int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency) { int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency) { unsigned short usb_val; - if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x09, 0, 0, (char *)&usb_val, 1, ftdi->usb_timeout) != 1) { + if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x0A, 0, 0, (char *)&usb_val, 1, ftdi->usb_timeout) != 1) { ftdi->error_str = "Reading latency timer failed"; return -1; } @@ -443,7 +457,7 @@ int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output) { output[0x13] = serial_size*2 + 2; // Dynamic content - output[0x14] = manufacturer_size; + output[0x14] = manufacturer_size*2 + 2; output[0x15] = 0x03; // type: string i = 0x16, j = 0; @@ -529,4 +543,3 @@ int ftdi_erase_eeprom(struct ftdi_context *ftdi) { return 0; } -