Kevin Braun / Mbed 2 deprecated DDS60-105

Programming of the DDS-60 (AD9851) frequency synthesizer from AmQRP http://midnightdesignsolutions.com/dds60/index.html I had to use long, floating math in order to get accurate frequency output.

Dependencies:   TextLCD mbed ChaNFS

SDHCFileSystem.h@0:1ed24aaf786d, 2012-04-04 (annotated)

Committer:
loopsva
Date:
Wed Apr 04 18:14:54 2012 +0000
Revision:
0:1ed24aaf786d
050511

Who changed what in which revision?

UserRevisionLine numberNew contents of line
loopsva 0:1ed24aaf786d 1 /* mbed SDFileSystem Library, for providing file access to SD cards
loopsva 0:1ed24aaf786d 2 * Copyright (c) 2008-2010, sford
loopsva 0:1ed24aaf786d 3 *
loopsva 0:1ed24aaf786d 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
loopsva 0:1ed24aaf786d 5 * of this software and associated documentation files (the "Software"), to deal
loopsva 0:1ed24aaf786d 6 * in the Software without restriction, including without limitation the rights
loopsva 0:1ed24aaf786d 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
loopsva 0:1ed24aaf786d 8 * copies of the Software, and to permit persons to whom the Software is
loopsva 0:1ed24aaf786d 9 * furnished to do so, subject to the following conditions:
loopsva 0:1ed24aaf786d 10 *
loopsva 0:1ed24aaf786d 11 * The above copyright notice and this permission notice shall be included in
loopsva 0:1ed24aaf786d 12 * all copies or substantial portions of the Software.
loopsva 0:1ed24aaf786d 13 *
loopsva 0:1ed24aaf786d 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
loopsva 0:1ed24aaf786d 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
loopsva 0:1ed24aaf786d 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
loopsva 0:1ed24aaf786d 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
loopsva 0:1ed24aaf786d 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
loopsva 0:1ed24aaf786d 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
loopsva 0:1ed24aaf786d 20 * THE SOFTWARE.
loopsva 0:1ed24aaf786d 21 */
loopsva 0:1ed24aaf786d 22
loopsva 0:1ed24aaf786d 23 #ifndef MBED_SDHCFILESYSTEM_H
loopsva 0:1ed24aaf786d 24 #define MBED_SDHCFILESYSTEM_H
loopsva 0:1ed24aaf786d 25
loopsva 0:1ed24aaf786d 26 #include "mbed.h"
loopsva 0:1ed24aaf786d 27 #include "FATFileSystem.h"
loopsva 0:1ed24aaf786d 28
loopsva 0:1ed24aaf786d 29 /* Double Words */
loopsva 0:1ed24aaf786d 30 typedef unsigned long long uint64_t;
loopsva 0:1ed24aaf786d 31 typedef long long sint64_t;
loopsva 0:1ed24aaf786d 32
loopsva 0:1ed24aaf786d 33 /** Access the filesystem on an SD Card using SPI
loopsva 0:1ed24aaf786d 34 *
loopsva 0:1ed24aaf786d 35 * @code
loopsva 0:1ed24aaf786d 36 * #include "mbed.h"
loopsva 0:1ed24aaf786d 37 * #include "SDFileSystem.h"
loopsva 0:1ed24aaf786d 38 *
loopsva 0:1ed24aaf786d 39 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
loopsva 0:1ed24aaf786d 40 *
loopsva 0:1ed24aaf786d 41 * int main() {
loopsva 0:1ed24aaf786d 42 * FILE *fp = fopen("/sd/myfile.txt", "w");
loopsva 0:1ed24aaf786d 43 * fprintf(fp, "Hello World!\n");
loopsva 0:1ed24aaf786d 44 * fclose(fp);
loopsva 0:1ed24aaf786d 45 * }
loopsva 0:1ed24aaf786d 46 */
loopsva 0:1ed24aaf786d 47 class SDFileSystem : public FATFileSystem {
loopsva 0:1ed24aaf786d 48 public:
loopsva 0:1ed24aaf786d 49
loopsva 0:1ed24aaf786d 50 /** Create the File System for accessing an SD Card using SPI
loopsva 0:1ed24aaf786d 51 *
loopsva 0:1ed24aaf786d 52 * @param mosi SPI mosi pin connected to SD Card
loopsva 0:1ed24aaf786d 53 * @param miso SPI miso pin conencted to SD Card
loopsva 0:1ed24aaf786d 54 * @param sclk SPI sclk pin connected to SD Card
loopsva 0:1ed24aaf786d 55 * @param cs DigitalOut pin used as SD Card chip select
loopsva 0:1ed24aaf786d 56 * @param name The name used to access the virtual filesystem
loopsva 0:1ed24aaf786d 57 */
loopsva 0:1ed24aaf786d 58 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
loopsva 0:1ed24aaf786d 59 virtual int disk_initialize();
loopsva 0:1ed24aaf786d 60 virtual int disk_write(const char *buffer, int block_number);
loopsva 0:1ed24aaf786d 61 virtual int disk_read(char *buffer, int block_number);
loopsva 0:1ed24aaf786d 62 virtual int disk_status();
loopsva 0:1ed24aaf786d 63 virtual int disk_sync();
loopsva 0:1ed24aaf786d 64 virtual int disk_sectors();
loopsva 0:1ed24aaf786d 65
loopsva 0:1ed24aaf786d 66 protected:
loopsva 0:1ed24aaf786d 67
loopsva 0:1ed24aaf786d 68 int _cmd(int cmd, int arg);
loopsva 0:1ed24aaf786d 69 int _cmdx(int cmd, int arg);
loopsva 0:1ed24aaf786d 70 int _cmd8();
loopsva 0:1ed24aaf786d 71 int _cmd58();
loopsva 0:1ed24aaf786d 72 int initialise_card();
loopsva 0:1ed24aaf786d 73 int initialise_card_v1();
loopsva 0:1ed24aaf786d 74 int initialise_card_v2();
loopsva 0:1ed24aaf786d 75
loopsva 0:1ed24aaf786d 76 int _read(char *buffer, int length);
loopsva 0:1ed24aaf786d 77 int _write(const char *buffer, int length);
loopsva 0:1ed24aaf786d 78 int _sd_sectors();
loopsva 0:1ed24aaf786d 79 int _sectors;
loopsva 0:1ed24aaf786d 80
loopsva 0:1ed24aaf786d 81 SPI _spi;
loopsva 0:1ed24aaf786d 82 DigitalOut _cs;
loopsva 0:1ed24aaf786d 83 int cdv;
loopsva 0:1ed24aaf786d 84 };
loopsva 0:1ed24aaf786d 85
loopsva 0:1ed24aaf786d 86 #endif