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author | Josh Blum <josh@joshknows.com> | 2010-11-05 19:55:19 -0700 |
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committer | Josh Blum <josh@joshknows.com> | 2010-11-05 19:55:19 -0700 |
commit | 13d735c65e40af23f978f96b5b418712976ab5f2 (patch) | |
tree | 020be6fd66df9a9d8ed9f328fa7c50713b6daa71 /firmware/fx2/common/usrp_common.h | |
parent | 9d50dea1c2f884835b606ccaa1444e5de96926cb (diff) | |
parent | f740a51cc0737b07fd4906f8ca80683ec6e87faa (diff) | |
download | uhd-13d735c65e40af23f978f96b5b418712976ab5f2.tar.gz uhd-13d735c65e40af23f978f96b5b418712976ab5f2.tar.bz2 uhd-13d735c65e40af23f978f96b5b418712976ab5f2.zip |
Merge branch 'mb_eeprom'
Diffstat (limited to 'firmware/fx2/common/usrp_common.h')
-rw-r--r-- | firmware/fx2/common/usrp_common.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/firmware/fx2/common/usrp_common.h b/firmware/fx2/common/usrp_common.h new file mode 100644 index 000000000..fd203927f --- /dev/null +++ b/firmware/fx2/common/usrp_common.h @@ -0,0 +1,77 @@ +/* + * USRP - Universal Software Radio Peripheral + * + * Copyright (C) 2003,2006 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA + */ + +/* + * common defines and prototypes for USRP + * + * In comments below "TRM" refers to the EZ-USB FX2 Technical Reference Manual + */ + +#ifndef _USRPCOMMON_H_ +#define _USRPCOMMON_H_ + +#include "usrp_config.h" +#include "usrp_regs.h" +#include "syncdelay.h" + +/* + * From TRM page 15-105: + * + * Under certain conditions, some read and write access to the FX2 + * registers must be separated by a "synchronization delay". The + * delay is necessary only under the following conditions: + * + * - between a write to any register in the 0xE600 - 0xE6FF range + * and a write to one of the registers listed below. + * + * - between a write to one of the registers listed below and a read + * from any register in the 0xE600 - 0xE6FF range. + * + * Registers which require a synchronization delay: + * + * FIFORESET FIFOPINPOLAR + * INPKTEND EPxBCH:L + * EPxFIFOPFH:L EPxAUTOINLENH:L + * EPxFIFOCFG EPxGPIFFLGSEL + * PINFLAGSAB PINFLAGSCD + * EPxFIFOIE EPxFIFOIRQ + * GPIFIE GPIFIRQ + * UDMACRCH:L GPIFADRH:L + * GPIFTRIG EPxGPIFTRIG + * OUTPKTEND REVCTL + * GPIFTCB3 GPIFTCB2 + * GPIFTCB1 GPIFTCB0 + */ + +#define TRUE 1 +#define FALSE 0 + + +void init_usrp (void); +void init_gpif (void); + +void set_led_0 (unsigned char on); +void set_led_1 (unsigned char on); +void toggle_led_0 (void); +void toggle_led_1 (void); + +#define la_trace(v) + +#endif /* _USRPCOMMON_H_ */ |