projects / sigrok-firmware-fx2lafw.git / blame
| Commit | Line | Data |
|---|---|---|
| 3608c106 UH |
1 | // Copyright (C) 2009 Ubixum, Inc. |
| 2 | // | |
| 3 | // This library is free software; you can redistribute it and/or | |
| 4 | // modify it under the terms of the GNU Lesser General Public | |
| 5 | // License as published by the Free Software Foundation; either | |
| 6 | // version 2.1 of the License, or (at your option) any later version. | |
| 7 | // | |
| 8 | // This library is distributed in the hope that it will be useful, | |
| 9 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 11 | // Lesser General Public License for more details. | |
| 12 | // | |
| 13 | // You should have received a copy of the GNU Lesser General Public | |
| 040a6eae | 14 | // License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 3608c106 UH |
15 | |
| 16 | /*! \file | |
| 17 | * Functions and macros for working with endpoints. | |
| 18 | * */ | |
| 19 | ||
| 20 | #ifndef EPUTILS_H | |
| 21 | #define EPUTILS_H | |
| 22 | ||
| 23 | #include "fx2types.h" | |
| 24 | ||
| 25 | /** | |
| 26 | * NOTE you can't use these unless you define SYNCDELAY | |
| 27 | * as a macro or function. The reason is that SYNCDELAY | |
| 28 | * needs to be longer or shorter depending on your IFCONFIG | |
| 29 | * settings. | |
| 30 | * See delay.h | |
| 31 | * | |
| 32 | * Example: | |
| 33 | * \code | |
| 34 | * #define SYNCDELAY() SYNCDELAY4 // SYNCDELAY4 from delay.h | |
| 35 | * \endcode | |
| 36 | * | |
| 37 | * | |
| 38 | **/ | |
| 39 | ||
| 40 | /** | |
| 41 | * Stalls EP0. | |
| 42 | **/ | |
| 43 | #define STALLEP0() EP0CS |= bmEPSTALL | |
| 44 | ||
| 45 | /** | |
| 46 | * \brief Reset the toggle on an endpoint. | |
| 47 | * To use this, the endpoint needs bit 8 to be IN=1,OUT=0 | |
| 48 | **/ | |
| 49 | #define RESETTOGGLE(ep) TOGCTL = (ep&0x0F) + ((ep&0x80)>>3); TOGCTL |= bmRESETTOGGLE | |
| 50 | ||
| 51 | ||
| 52 | /** | |
| 53 | * RESETFIFO should not use 0x80|epnum for IN endpoints | |
| 54 | * Only use 0x02, 0x04, 0x06, 0x06 for ep value | |
| 55 | **/ | |
| 56 | #define RESETFIFO(ep) {FIFORESET=0x80; SYNCDELAY();\ | |
| 57 | FIFORESET=ep; SYNCDELAY();\ | |
| 58 | FIFORESET=0x00; SYNCDELAY();} | |
| 59 | /** | |
| 60 | * Quickly reset all endpoint FIFOS. | |
| 61 | **/ | |
| 62 | #define RESETFIFOS() {FIFORESET=0x80; SYNCDELAY();\ | |
| 63 | FIFORESET=0x02; SYNCDELAY();\ | |
| 64 | FIFORESET=0x04; SYNCDELAY();\ | |
| 65 | FIFORESET=0x06; SYNCDELAY();\ | |
| 66 | FIFORESET=0x08; SYNCDELAY();\ | |
| 67 | FIFORESET=0x00; SYNCDELAY();} | |
| 68 | ||
| 69 | /** | |
| 70 | * Continually read available bytes from endpoint0 into dst, wait | |
| 71 | * until more bytes are available, and loop until len bytes have | |
| 72 | * been read. | |
| 73 | **/ | |
| 74 | void readep0( BYTE* dst, WORD len ); | |
| 75 | ||
| 76 | ||
| 77 | /** | |
| 78 | * Write bytes from src to ep0, allowing host to transfer data | |
| 79 | * between 64 byte blocks. | |
| 80 | **/ | |
| 81 | void writeep0 ( BYTE* src, WORD len ); | |
| 82 | ||
| 83 | ||
| 84 | ||
| 85 | #endif |