Nino Der Kinderen / Mbed 2 deprecated InetTest

Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

NetServices/drv/usb/usb_mem.c@0:8d87bc453349, 2014-12-18 (annotated)

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1
ninoderkinderen 0:8d87bc453349 2 /*
ninoderkinderen 0:8d87bc453349 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ninoderkinderen 0:8d87bc453349 4
ninoderkinderen 0:8d87bc453349 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ninoderkinderen 0:8d87bc453349 6 of this software and associated documentation files (the "Software"), to deal
ninoderkinderen 0:8d87bc453349 7 in the Software without restriction, including without limitation the rights
ninoderkinderen 0:8d87bc453349 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ninoderkinderen 0:8d87bc453349 9 copies of the Software, and to permit persons to whom the Software is
ninoderkinderen 0:8d87bc453349 10 furnished to do so, subject to the following conditions:
ninoderkinderen 0:8d87bc453349 11
ninoderkinderen 0:8d87bc453349 12 The above copyright notice and this permission notice shall be included in
ninoderkinderen 0:8d87bc453349 13 all copies or substantial portions of the Software.
ninoderkinderen 0:8d87bc453349 14
ninoderkinderen 0:8d87bc453349 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ninoderkinderen 0:8d87bc453349 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ninoderkinderen 0:8d87bc453349 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ninoderkinderen 0:8d87bc453349 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ninoderkinderen 0:8d87bc453349 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ninoderkinderen 0:8d87bc453349 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ninoderkinderen 0:8d87bc453349 21 THE SOFTWARE.
ninoderkinderen 0:8d87bc453349 22 */
ninoderkinderen 0:8d87bc453349 23
ninoderkinderen 0:8d87bc453349 24 #include "usb_mem.h"
ninoderkinderen 0:8d87bc453349 25
ninoderkinderen 0:8d87bc453349 26 #include "string.h" //For memcpy, memmove, memset
ninoderkinderen 0:8d87bc453349 27
ninoderkinderen 0:8d87bc453349 28 #include "netCfg.h"
ninoderkinderen 0:8d87bc453349 29 #if NET_USB
ninoderkinderen 0:8d87bc453349 30
ninoderkinderen 0:8d87bc453349 31 #define EDS_COUNT 4
ninoderkinderen 0:8d87bc453349 32 #define TDS_COUNT 8
ninoderkinderen 0:8d87bc453349 33
ninoderkinderen 0:8d87bc453349 34 #define HCCA_SIZE 0x100
ninoderkinderen 0:8d87bc453349 35 #define ED_SIZE 0x10
ninoderkinderen 0:8d87bc453349 36 #define TD_SIZE 0x10
ninoderkinderen 0:8d87bc453349 37
ninoderkinderen 0:8d87bc453349 38 #define TOTAL_SIZE (HCCA_SIZE + (EDS_COUNT*ED_SIZE) + (TDS_COUNT*TD_SIZE))
ninoderkinderen 0:8d87bc453349 39
ninoderkinderen 0:8d87bc453349 40
ninoderkinderen 0:8d87bc453349 41 static volatile __align(256) byte usb_buf[TOTAL_SIZE] __attribute((section("AHBSRAM1"),aligned)); //256 bytes aligned!
ninoderkinderen 0:8d87bc453349 42
ninoderkinderen 0:8d87bc453349 43 static volatile byte* usb_hcca; //256 bytes aligned!
ninoderkinderen 0:8d87bc453349 44
ninoderkinderen 0:8d87bc453349 45 static volatile byte* usb_edBuf; //4 bytes aligned!
ninoderkinderen 0:8d87bc453349 46 static volatile byte* usb_tdBuf; //4 bytes aligned!
ninoderkinderen 0:8d87bc453349 47
ninoderkinderen 0:8d87bc453349 48 static byte usb_edBufAlloc[EDS_COUNT] __attribute((section("AHBSRAM1"),aligned));
ninoderkinderen 0:8d87bc453349 49 static byte usb_tdBufAlloc[TDS_COUNT] __attribute((section("AHBSRAM1"),aligned));
ninoderkinderen 0:8d87bc453349 50
ninoderkinderen 0:8d87bc453349 51 void usb_mem_init()
ninoderkinderen 0:8d87bc453349 52 {
ninoderkinderen 0:8d87bc453349 53 usb_hcca = usb_buf;
ninoderkinderen 0:8d87bc453349 54 usb_edBuf = usb_buf + HCCA_SIZE;
ninoderkinderen 0:8d87bc453349 55 usb_tdBuf = usb_buf + HCCA_SIZE + (EDS_COUNT*ED_SIZE);
ninoderkinderen 0:8d87bc453349 56 memset(usb_edBufAlloc, 0, EDS_COUNT);
ninoderkinderen 0:8d87bc453349 57 memset(usb_tdBufAlloc, 0, TDS_COUNT);
ninoderkinderen 0:8d87bc453349 58 }
ninoderkinderen 0:8d87bc453349 59
ninoderkinderen 0:8d87bc453349 60 volatile byte* usb_get_hcca()
ninoderkinderen 0:8d87bc453349 61 {
ninoderkinderen 0:8d87bc453349 62 return usb_hcca;
ninoderkinderen 0:8d87bc453349 63 }
ninoderkinderen 0:8d87bc453349 64
ninoderkinderen 0:8d87bc453349 65 volatile byte* usb_get_ed()
ninoderkinderen 0:8d87bc453349 66 {
ninoderkinderen 0:8d87bc453349 67 int i;
ninoderkinderen 0:8d87bc453349 68 for(i = 0; i < EDS_COUNT; i++)
ninoderkinderen 0:8d87bc453349 69 {
ninoderkinderen 0:8d87bc453349 70 if( !usb_edBufAlloc[i] )
ninoderkinderen 0:8d87bc453349 71 {
ninoderkinderen 0:8d87bc453349 72 usb_edBufAlloc[i] = 1;
ninoderkinderen 0:8d87bc453349 73 return usb_edBuf + i*ED_SIZE;
ninoderkinderen 0:8d87bc453349 74 }
ninoderkinderen 0:8d87bc453349 75 }
ninoderkinderen 0:8d87bc453349 76 return NULL; //Could not alloc ED
ninoderkinderen 0:8d87bc453349 77 }
ninoderkinderen 0:8d87bc453349 78
ninoderkinderen 0:8d87bc453349 79 volatile byte* usb_get_td()
ninoderkinderen 0:8d87bc453349 80 {
ninoderkinderen 0:8d87bc453349 81 int i;
ninoderkinderen 0:8d87bc453349 82 for(i = 0; i < TDS_COUNT; i++)
ninoderkinderen 0:8d87bc453349 83 {
ninoderkinderen 0:8d87bc453349 84 if( !usb_tdBufAlloc[i] )
ninoderkinderen 0:8d87bc453349 85 {
ninoderkinderen 0:8d87bc453349 86 usb_tdBufAlloc[i] = 1;
ninoderkinderen 0:8d87bc453349 87 return usb_tdBuf + i*TD_SIZE;
ninoderkinderen 0:8d87bc453349 88 }
ninoderkinderen 0:8d87bc453349 89 }
ninoderkinderen 0:8d87bc453349 90 return NULL; //Could not alloc TD
ninoderkinderen 0:8d87bc453349 91 }
ninoderkinderen 0:8d87bc453349 92
ninoderkinderen 0:8d87bc453349 93 void usb_free_ed(volatile byte* ed)
ninoderkinderen 0:8d87bc453349 94 {
ninoderkinderen 0:8d87bc453349 95 int i;
ninoderkinderen 0:8d87bc453349 96 i = (ed - usb_edBuf) / ED_SIZE;
ninoderkinderen 0:8d87bc453349 97 usb_edBufAlloc[i] = 0;
ninoderkinderen 0:8d87bc453349 98 }
ninoderkinderen 0:8d87bc453349 99
ninoderkinderen 0:8d87bc453349 100 void usb_free_td(volatile byte* td)
ninoderkinderen 0:8d87bc453349 101 {
ninoderkinderen 0:8d87bc453349 102 int i;
ninoderkinderen 0:8d87bc453349 103 i = (td - usb_tdBuf) / TD_SIZE;
ninoderkinderen 0:8d87bc453349 104 usb_tdBufAlloc[i] = 0;
ninoderkinderen 0:8d87bc453349 105 }
ninoderkinderen 0:8d87bc453349 106
ninoderkinderen 0:8d87bc453349 107
ninoderkinderen 0:8d87bc453349 108 #endif