Einstein Filho / Mbed OS STM32_LOGGER

mangue baja 1st working logger on stm32

Dependencies:   LSM6DS3 DebouncedInterrupt

example.txt@5:122b9fd3df1a, 2022-09-21 (annotated)

Committer:
einsteingustavo
Date:
Wed Sep 21 21:23:51 2022 +0000
Revision:
5:122b9fd3df1a
Parent:
3:15d63b793f7b 
2022 data logger

Who changed what in which revision?

UserRevisionLine numberNew contents of line
einsteingustavo 3:15d63b793f7b 1 /* mbed Microcontroller Library
einsteingustavo 3:15d63b793f7b 2 * Copyright (c) 2006-2013 ARM Limited
einsteingustavo 3:15d63b793f7b 3 *
einsteingustavo 3:15d63b793f7b 4 * Licensed under the Apache License, Version 2.0 (the "License");
einsteingustavo 3:15d63b793f7b 5 * you may not use this file except in compliance with the License.
einsteingustavo 3:15d63b793f7b 6 * You may obtain a copy of the License at
einsteingustavo 3:15d63b793f7b 7 *
einsteingustavo 3:15d63b793f7b 8 * http://www.apache.org/licenses/LICENSE-2.0
einsteingustavo 3:15d63b793f7b 9 *
einsteingustavo 3:15d63b793f7b 10 * Unless required by applicable law or agreed to in writing, software
einsteingustavo 3:15d63b793f7b 11 * distributed under the License is distributed on an "AS IS" BASIS,
einsteingustavo 3:15d63b793f7b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
einsteingustavo 3:15d63b793f7b 13 * See the License for the specific language governing permissions and
einsteingustavo 3:15d63b793f7b 14 * limitations under the License.
einsteingustavo 3:15d63b793f7b 15 */
einsteingustavo 3:15d63b793f7b 16 #include "mbed.h"
einsteingustavo 3:15d63b793f7b 17 #include <stdio.h>
einsteingustavo 3:15d63b793f7b 18 #include <errno.h>
einsteingustavo 3:15d63b793f7b 19
einsteingustavo 3:15d63b793f7b 20 // Block devices
einsteingustavo 3:15d63b793f7b 21 //#include "SPIFBlockDevice.h"
einsteingustavo 3:15d63b793f7b 22 //#include "DataFlashBlockDevice.h"
einsteingustavo 3:15d63b793f7b 23 #include "SDBlockDevice.h"
einsteingustavo 3:15d63b793f7b 24 //#include "HeapBlockDevice.h"
einsteingustavo 3:15d63b793f7b 25
einsteingustavo 3:15d63b793f7b 26 // File systems
einsteingustavo 3:15d63b793f7b 27
einsteingustavo 3:15d63b793f7b 28 //#include "LittleFileSystem.h"
einsteingustavo 3:15d63b793f7b 29 #include "FATFileSystem.h"
einsteingustavo 3:15d63b793f7b 30
einsteingustavo 3:15d63b793f7b 31 // Physical block device, can be any device that supports the BlockDevice API
einsteingustavo 3:15d63b793f7b 32 SDBlockDevice blockDevice(PB_15, PB_14, PB_13, PB_12); // mosi, miso, sck, cs
einsteingustavo 3:15d63b793f7b 33
einsteingustavo 3:15d63b793f7b 34 // File system declaration
einsteingustavo 3:15d63b793f7b 35 FATFileSystem fileSystem("fs");
einsteingustavo 3:15d63b793f7b 36
einsteingustavo 3:15d63b793f7b 37 Serial pc(PA_2,PA_3);
einsteingustavo 3:15d63b793f7b 38
einsteingustavo 3:15d63b793f7b 39 // Entry point for the example
einsteingustavo 3:15d63b793f7b 40 int main()
einsteingustavo 3:15d63b793f7b 41 {
einsteingustavo 3:15d63b793f7b 42 pc.printf("--- Mbed OS filesystem example ---\n");
einsteingustavo 3:15d63b793f7b 43
einsteingustavo 3:15d63b793f7b 44 // Try to mount the filesystem
einsteingustavo 3:15d63b793f7b 45 pc.printf("Mounting the filesystem... ");
einsteingustavo 3:15d63b793f7b 46 fflush(stdout);
einsteingustavo 3:15d63b793f7b 47
einsteingustavo 3:15d63b793f7b 48 int err = fileSystem.mount(&blockDevice);
einsteingustavo 3:15d63b793f7b 49 pc.printf("%s\n", (err ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 50 if (err) {
einsteingustavo 3:15d63b793f7b 51 // Reformat if we can't mount the filesystem
einsteingustavo 3:15d63b793f7b 52 // this should only happen on the first boot
einsteingustavo 3:15d63b793f7b 53 pc.printf("No filesystem found, formatting... ");
einsteingustavo 3:15d63b793f7b 54 fflush(stdout);
einsteingustavo 3:15d63b793f7b 55 err = fileSystem.reformat(&blockDevice);
einsteingustavo 3:15d63b793f7b 56 pc.printf("%s\n", (err ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 57 if (err) {
einsteingustavo 3:15d63b793f7b 58 error("error: %s (%d)\n", strerror(-err), err);
einsteingustavo 3:15d63b793f7b 59 }
einsteingustavo 3:15d63b793f7b 60 }
einsteingustavo 3:15d63b793f7b 61
einsteingustavo 3:15d63b793f7b 62 // Open the numbers file
einsteingustavo 3:15d63b793f7b 63 pc.printf("Opening \"/fs/numbers.txt\"... ");
einsteingustavo 3:15d63b793f7b 64 fflush(stdout);
einsteingustavo 3:15d63b793f7b 65
einsteingustavo 3:15d63b793f7b 66 FILE* f = fopen("/fs/numbers.txt", "r+");
einsteingustavo 3:15d63b793f7b 67 pc.printf("%s\n", (!f ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 68 if (!f) {
einsteingustavo 3:15d63b793f7b 69 // Create the numbers file if it doesn't exist
einsteingustavo 3:15d63b793f7b 70 pc.printf("No file found, creating a new file... ");
einsteingustavo 3:15d63b793f7b 71 fflush(stdout);
einsteingustavo 3:15d63b793f7b 72 f = fopen("/fs/numbers.txt", "w+");
einsteingustavo 3:15d63b793f7b 73 pc.printf("%s\n", (!f ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 74 if (!f) {
einsteingustavo 3:15d63b793f7b 75 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 76 }
einsteingustavo 3:15d63b793f7b 77
einsteingustavo 3:15d63b793f7b 78 for (int i = 0; i < 10; i++) {
einsteingustavo 3:15d63b793f7b 79 pc.printf("\rWriting numbers (%d/%d)... ", i, 10);
einsteingustavo 3:15d63b793f7b 80 fflush(stdout);
einsteingustavo 3:15d63b793f7b 81 err = fprintf(f, " %d\n", i);
einsteingustavo 3:15d63b793f7b 82 if (err < 0) {
einsteingustavo 3:15d63b793f7b 83 pc.printf("Fail :(\n");
einsteingustavo 3:15d63b793f7b 84 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 85 }
einsteingustavo 3:15d63b793f7b 86 }
einsteingustavo 3:15d63b793f7b 87
einsteingustavo 3:15d63b793f7b 88 pc.printf("\rWriting numbers (%d/%d)... OK\n", 10, 10);
einsteingustavo 3:15d63b793f7b 89
einsteingustavo 3:15d63b793f7b 90 pc.printf("Seeking file... ");
einsteingustavo 3:15d63b793f7b 91 fflush(stdout);
einsteingustavo 3:15d63b793f7b 92 err = fseek(f, 0, SEEK_SET);
einsteingustavo 3:15d63b793f7b 93 pc.printf("%s\n", (err < 0 ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 94 if (err < 0) {
einsteingustavo 3:15d63b793f7b 95 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 96 }
einsteingustavo 3:15d63b793f7b 97 }
einsteingustavo 3:15d63b793f7b 98
einsteingustavo 3:15d63b793f7b 99 // Go through and increment the numbers
einsteingustavo 3:15d63b793f7b 100 for (int i = 0; i < 10; i++) {
einsteingustavo 3:15d63b793f7b 101 pc.printf("\rIncrementing numbers (%d/%d)... ", i, 10);
einsteingustavo 3:15d63b793f7b 102 fflush(stdout);
einsteingustavo 3:15d63b793f7b 103
einsteingustavo 3:15d63b793f7b 104 // Get current stream position
einsteingustavo 3:15d63b793f7b 105 long pos = ftell(f);
einsteingustavo 3:15d63b793f7b 106
einsteingustavo 3:15d63b793f7b 107 // Parse out the number and increment
einsteingustavo 3:15d63b793f7b 108 int32_t number;
einsteingustavo 3:15d63b793f7b 109 fscanf(f, "%ld", &number);
einsteingustavo 3:15d63b793f7b 110 number += 1;
einsteingustavo 3:15d63b793f7b 111
einsteingustavo 3:15d63b793f7b 112 // Seek to beginning of number
einsteingustavo 3:15d63b793f7b 113 fseek(f, pos, SEEK_SET);
einsteingustavo 3:15d63b793f7b 114
einsteingustavo 3:15d63b793f7b 115 // Store number
einsteingustavo 3:15d63b793f7b 116 fprintf(f, " %ld\n", number);
einsteingustavo 3:15d63b793f7b 117
einsteingustavo 3:15d63b793f7b 118 // Flush between write and read on same file
einsteingustavo 3:15d63b793f7b 119 fflush(f);
einsteingustavo 3:15d63b793f7b 120 }
einsteingustavo 3:15d63b793f7b 121
einsteingustavo 3:15d63b793f7b 122 pc.printf("\rIncrementing numbers (%d/%d)... OK\n", 10, 10);
einsteingustavo 3:15d63b793f7b 123
einsteingustavo 3:15d63b793f7b 124 // Close the file which also flushes any cached writes
einsteingustavo 3:15d63b793f7b 125 pc.printf("Closing \"/fs/numbers.txt\"... ");
einsteingustavo 3:15d63b793f7b 126 fflush(stdout);
einsteingustavo 3:15d63b793f7b 127 err = fclose(f);
einsteingustavo 3:15d63b793f7b 128 pc.printf("%s\n", (err < 0 ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 129 if (err < 0) {
einsteingustavo 3:15d63b793f7b 130 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 131 }
einsteingustavo 3:15d63b793f7b 132
einsteingustavo 3:15d63b793f7b 133 // Display the root directory
einsteingustavo 3:15d63b793f7b 134 pc.printf("Opening the root directory... ");
einsteingustavo 3:15d63b793f7b 135 fflush(stdout);
einsteingustavo 3:15d63b793f7b 136
einsteingustavo 3:15d63b793f7b 137 DIR* d = opendir("/fs/");
einsteingustavo 3:15d63b793f7b 138 pc.printf("%s\n", (!d ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 139 if (!d) {
einsteingustavo 3:15d63b793f7b 140 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 141 }
einsteingustavo 3:15d63b793f7b 142
einsteingustavo 3:15d63b793f7b 143 pc.printf("root directory:\n");
einsteingustavo 3:15d63b793f7b 144 while (true) {
einsteingustavo 3:15d63b793f7b 145 struct dirent* e = readdir(d);
einsteingustavo 3:15d63b793f7b 146 if (!e) {
einsteingustavo 3:15d63b793f7b 147 break;
einsteingustavo 3:15d63b793f7b 148 }
einsteingustavo 3:15d63b793f7b 149
einsteingustavo 3:15d63b793f7b 150 pc.printf(" %s\n", e->d_name);
einsteingustavo 3:15d63b793f7b 151 }
einsteingustavo 3:15d63b793f7b 152
einsteingustavo 3:15d63b793f7b 153 pc.printf("Closing the root directory... ");
einsteingustavo 3:15d63b793f7b 154 fflush(stdout);
einsteingustavo 3:15d63b793f7b 155 err = closedir(d);
einsteingustavo 3:15d63b793f7b 156 pc.printf("%s\n", (err < 0 ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 157 if (err < 0) {
einsteingustavo 3:15d63b793f7b 158 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 159 }
einsteingustavo 3:15d63b793f7b 160
einsteingustavo 3:15d63b793f7b 161 // Display the numbers file
einsteingustavo 3:15d63b793f7b 162 pc.printf("Opening \"/fs/numbers.txt\"... ");
einsteingustavo 3:15d63b793f7b 163 fflush(stdout);
einsteingustavo 3:15d63b793f7b 164 f = fopen("/fs/numbers.txt", "r");
einsteingustavo 3:15d63b793f7b 165 pc.printf("%s\n", (!f ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 166 if (!f) {
einsteingustavo 3:15d63b793f7b 167 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 168 }
einsteingustavo 3:15d63b793f7b 169
einsteingustavo 3:15d63b793f7b 170 pc.printf("numbers:\n");
einsteingustavo 3:15d63b793f7b 171 while (!feof(f)) {
einsteingustavo 3:15d63b793f7b 172 int c = fgetc(f);
einsteingustavo 3:15d63b793f7b 173 pc.printf("%c", c);
einsteingustavo 3:15d63b793f7b 174 }
einsteingustavo 3:15d63b793f7b 175
einsteingustavo 3:15d63b793f7b 176 pc.printf("\rClosing \"/fs/numbers.txt\"... ");
einsteingustavo 3:15d63b793f7b 177 fflush(stdout);
einsteingustavo 3:15d63b793f7b 178 err = fclose(f);
einsteingustavo 3:15d63b793f7b 179 pc.printf("%s\n", (err < 0 ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 180 if (err < 0) {
einsteingustavo 3:15d63b793f7b 181 error("error: %s (%d)\n", strerror(errno), -errno);
einsteingustavo 3:15d63b793f7b 182 }
einsteingustavo 3:15d63b793f7b 183
einsteingustavo 3:15d63b793f7b 184 // Tidy up
einsteingustavo 3:15d63b793f7b 185 pc.printf("Unmounting... ");
einsteingustavo 3:15d63b793f7b 186 fflush(stdout);
einsteingustavo 3:15d63b793f7b 187 err = fileSystem.unmount();
einsteingustavo 3:15d63b793f7b 188 pc.printf("%s\n", (err < 0 ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 189 if (err < 0) {
einsteingustavo 3:15d63b793f7b 190 error("error: %s (%d)\n", strerror(-err), err);
einsteingustavo 3:15d63b793f7b 191 }
einsteingustavo 3:15d63b793f7b 192
einsteingustavo 3:15d63b793f7b 193 pc.printf("Initializing the block device... ");
einsteingustavo 3:15d63b793f7b 194 fflush(stdout);
einsteingustavo 3:15d63b793f7b 195
einsteingustavo 3:15d63b793f7b 196 err = blockDevice.init();
einsteingustavo 3:15d63b793f7b 197 pc.printf("%s\n", (err ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 198 if (err) {
einsteingustavo 3:15d63b793f7b 199 error("error: %s (%d)\n", strerror(-err), err);
einsteingustavo 3:15d63b793f7b 200 }
einsteingustavo 3:15d63b793f7b 201
einsteingustavo 3:15d63b793f7b 202 pc.printf("Erasing the block device... ");
einsteingustavo 3:15d63b793f7b 203 fflush(stdout);
einsteingustavo 3:15d63b793f7b 204 err = blockDevice.erase(0, blockDevice.size());
einsteingustavo 3:15d63b793f7b 205 pc.printf("%s\n", (err ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 206 if (err) {
einsteingustavo 3:15d63b793f7b 207 error("error: %s (%d)\n", strerror(-err), err);
einsteingustavo 3:15d63b793f7b 208 }
einsteingustavo 3:15d63b793f7b 209
einsteingustavo 3:15d63b793f7b 210 pc.printf("Deinitializing the block device... ");
einsteingustavo 3:15d63b793f7b 211 fflush(stdout);
einsteingustavo 3:15d63b793f7b 212 err = blockDevice.deinit();
einsteingustavo 3:15d63b793f7b 213 pc.printf("%s\n", (err ? "Fail :(" : "OK"));
einsteingustavo 3:15d63b793f7b 214 if (err) {
einsteingustavo 3:15d63b793f7b 215 error("error: %s (%d)\n", strerror(-err), err);
einsteingustavo 3:15d63b793f7b 216 }
einsteingustavo 3:15d63b793f7b 217
einsteingustavo 3:15d63b793f7b 218 pc.printf("\r\n");
einsteingustavo 3:15d63b793f7b 219
einsteingustavo 3:15d63b793f7b 220 pc.printf("Mbed OS filesystem example done!\n");
einsteingustavo 3:15d63b793f7b 221 }