Toyomasa Watarai
/
Mbed-example-WS-W27
Mbed Cloud example program for workshop in W27 2018.
main.cpp@0:119624335925, 2018-06-30 (annotated)
- Committer:
- MACRUM
- Date:
- Sat Jun 30 01:40:30 2018 +0000
- Revision:
- 0:119624335925
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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MACRUM | 0:119624335925 | 1 | // ---------------------------------------------------------------------------- |
MACRUM | 0:119624335925 | 2 | // Copyright 2016-2017 ARM Ltd. |
MACRUM | 0:119624335925 | 3 | // |
MACRUM | 0:119624335925 | 4 | // SPDX-License-Identifier: Apache-2.0 |
MACRUM | 0:119624335925 | 5 | // |
MACRUM | 0:119624335925 | 6 | // Licensed under the Apache License, Version 2.0 (the "License"); |
MACRUM | 0:119624335925 | 7 | // you may not use this file except in compliance with the License. |
MACRUM | 0:119624335925 | 8 | // You may obtain a copy of the License at |
MACRUM | 0:119624335925 | 9 | // |
MACRUM | 0:119624335925 | 10 | // http://www.apache.org/licenses/LICENSE-2.0 |
MACRUM | 0:119624335925 | 11 | // |
MACRUM | 0:119624335925 | 12 | // Unless required by applicable law or agreed to in writing, software |
MACRUM | 0:119624335925 | 13 | // distributed under the License is distributed on an "AS IS" BASIS, |
MACRUM | 0:119624335925 | 14 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MACRUM | 0:119624335925 | 15 | // See the License for the specific language governing permissions and |
MACRUM | 0:119624335925 | 16 | // limitations under the License. |
MACRUM | 0:119624335925 | 17 | // ---------------------------------------------------------------------------- |
MACRUM | 0:119624335925 | 18 | |
MACRUM | 0:119624335925 | 19 | #include "mbed.h" |
MACRUM | 0:119624335925 | 20 | #include "mbed-trace/mbed_trace.h" |
MACRUM | 0:119624335925 | 21 | #include "mbed-trace-helper.h" |
MACRUM | 0:119624335925 | 22 | #include "simple-mbed-cloud-client.h" |
MACRUM | 0:119624335925 | 23 | #include "key-config-manager/kcm_status.h" |
MACRUM | 0:119624335925 | 24 | #include "key-config-manager/key_config_manager.h" |
MACRUM | 0:119624335925 | 25 | #include "SDBlockDevice.h" |
MACRUM | 0:119624335925 | 26 | #include "FATFileSystem.h" |
MACRUM | 0:119624335925 | 27 | //#include "ESP8266Interface.h" |
MACRUM | 0:119624335925 | 28 | #include "easy-connect.h" |
MACRUM | 0:119624335925 | 29 | #include "MMA7660.h" |
MACRUM | 0:119624335925 | 30 | #include "LM75B.h" |
MACRUM | 0:119624335925 | 31 | |
MACRUM | 0:119624335925 | 32 | /* The following app uses Mbed Cloud with SD Card storage, button, & led */ |
MACRUM | 0:119624335925 | 33 | |
MACRUM | 0:119624335925 | 34 | // Placeholder to hardware that trigger events (timer, button, etc) |
MACRUM | 0:119624335925 | 35 | //Ticker timer; |
MACRUM | 0:119624335925 | 36 | /* K64 & K66 */ |
MACRUM | 0:119624335925 | 37 | InterruptIn sw2(SW2); |
MACRUM | 0:119624335925 | 38 | DigitalOut led2(LED2); |
MACRUM | 0:119624335925 | 39 | //ESP8266Interface net(D1, D0); |
MACRUM | 0:119624335925 | 40 | NetworkInterface *net; |
MACRUM | 0:119624335925 | 41 | |
MACRUM | 0:119624335925 | 42 | /* */ |
MACRUM | 0:119624335925 | 43 | |
MACRUM | 0:119624335925 | 44 | // Placeholder for storage |
MACRUM | 0:119624335925 | 45 | /* K64 & K66 */ |
MACRUM | 0:119624335925 | 46 | SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4); |
MACRUM | 0:119624335925 | 47 | FATFileSystem fs("sd"); |
MACRUM | 0:119624335925 | 48 | /* */ |
MACRUM | 0:119624335925 | 49 | |
MACRUM | 0:119624335925 | 50 | // Pointers to the resources that will be created in main_application(). |
MACRUM | 0:119624335925 | 51 | static MbedCloudClientResource* pattern_ptr; |
MACRUM | 0:119624335925 | 52 | static MbedCloudClientResource* button_ptr; |
MACRUM | 0:119624335925 | 53 | |
MACRUM | 0:119624335925 | 54 | // Pointer to mbedClient, used for calling close function. |
MACRUM | 0:119624335925 | 55 | static SimpleMbedCloudClient *client; |
MACRUM | 0:119624335925 | 56 | |
MACRUM | 0:119624335925 | 57 | static bool button_pressed = false; |
MACRUM | 0:119624335925 | 58 | static int button_count = 0; |
MACRUM | 0:119624335925 | 59 | |
MACRUM | 0:119624335925 | 60 | void button_press() { |
MACRUM | 0:119624335925 | 61 | button_pressed = true; |
MACRUM | 0:119624335925 | 62 | ++button_count; |
MACRUM | 0:119624335925 | 63 | button_ptr->set_value(button_count); |
MACRUM | 0:119624335925 | 64 | } |
MACRUM | 0:119624335925 | 65 | |
MACRUM | 0:119624335925 | 66 | void pattern_updated(const char *) { |
MACRUM | 0:119624335925 | 67 | printf("PUT received, new value: %s\n", pattern_ptr->get_value().c_str()); |
MACRUM | 0:119624335925 | 68 | // Placeholder for PUT action |
MACRUM | 0:119624335925 | 69 | } |
MACRUM | 0:119624335925 | 70 | |
MACRUM | 0:119624335925 | 71 | void blink_callback(void *) { |
MACRUM | 0:119624335925 | 72 | String pattern_str = pattern_ptr->get_value(); |
MACRUM | 0:119624335925 | 73 | const char *pattern = pattern_str.c_str(); |
MACRUM | 0:119624335925 | 74 | printf("POST received. LED pattern = %s\n", pattern); |
MACRUM | 0:119624335925 | 75 | // Placeholder for POST action |
MACRUM | 0:119624335925 | 76 | // The pattern is something like 500:200:500, so parse that. |
MACRUM | 0:119624335925 | 77 | // LED blinking is done while parsing. |
MACRUM | 0:119624335925 | 78 | |
MACRUM | 0:119624335925 | 79 | while (*pattern != '\0') { |
MACRUM | 0:119624335925 | 80 | //make a short blink on the led |
MACRUM | 0:119624335925 | 81 | led2 = 0; |
MACRUM | 0:119624335925 | 82 | wait_ms(20); |
MACRUM | 0:119624335925 | 83 | led2 = 1; |
MACRUM | 0:119624335925 | 84 | // Wait for requested time. |
MACRUM | 0:119624335925 | 85 | wait_ms(atoi(pattern)); |
MACRUM | 0:119624335925 | 86 | // Search for next value. |
MACRUM | 0:119624335925 | 87 | pattern = strchr(pattern, ':'); |
MACRUM | 0:119624335925 | 88 | if(!pattern) { |
MACRUM | 0:119624335925 | 89 | //we're done, give one last blink to end the pattern |
MACRUM | 0:119624335925 | 90 | led2 = 0; |
MACRUM | 0:119624335925 | 91 | wait_ms(20); |
MACRUM | 0:119624335925 | 92 | led2 = 1; |
MACRUM | 0:119624335925 | 93 | break; // while |
MACRUM | 0:119624335925 | 94 | } |
MACRUM | 0:119624335925 | 95 | pattern++; |
MACRUM | 0:119624335925 | 96 | } |
MACRUM | 0:119624335925 | 97 | } |
MACRUM | 0:119624335925 | 98 | |
MACRUM | 0:119624335925 | 99 | void button_callback(const M2MBase& object, const NoticationDeliveryStatus status) |
MACRUM | 0:119624335925 | 100 | { |
MACRUM | 0:119624335925 | 101 | printf("Button notification. Callback: (%s)\n", object.uri_path()); |
MACRUM | 0:119624335925 | 102 | // Placeholder for GET |
MACRUM | 0:119624335925 | 103 | } |
MACRUM | 0:119624335925 | 104 | |
MACRUM | 0:119624335925 | 105 | void accel_callback(const M2MBase& object, const NoticationDeliveryStatus status) |
MACRUM | 0:119624335925 | 106 | { |
MACRUM | 0:119624335925 | 107 | // Do nothing. |
MACRUM | 0:119624335925 | 108 | } |
MACRUM | 0:119624335925 | 109 | |
MACRUM | 0:119624335925 | 110 | void temp_callback(const M2MBase& object, const NoticationDeliveryStatus status) |
MACRUM | 0:119624335925 | 111 | { |
MACRUM | 0:119624335925 | 112 | // Do nothing. |
MACRUM | 0:119624335925 | 113 | } |
MACRUM | 0:119624335925 | 114 | |
MACRUM | 0:119624335925 | 115 | |
MACRUM | 0:119624335925 | 116 | |
MACRUM | 0:119624335925 | 117 | |
MACRUM | 0:119624335925 | 118 | int main(void) |
MACRUM | 0:119624335925 | 119 | { |
MACRUM | 0:119624335925 | 120 | // Requires DAPLink 245+ (https://github.com/ARMmbed/DAPLink/pull/364) |
MACRUM | 0:119624335925 | 121 | // Older versions: workaround to prevent possible deletion of credentials: |
MACRUM | 0:119624335925 | 122 | wait(2); |
MACRUM | 0:119624335925 | 123 | |
MACRUM | 0:119624335925 | 124 | // Misc OS setup |
MACRUM | 0:119624335925 | 125 | srand(time(NULL)); |
MACRUM | 0:119624335925 | 126 | |
MACRUM | 0:119624335925 | 127 | printf("Start Simple Mbed Cloud Client\n"); |
MACRUM | 0:119624335925 | 128 | |
MACRUM | 0:119624335925 | 129 | // Initialize SD card |
MACRUM | 0:119624335925 | 130 | int status = sd.init(); |
MACRUM | 0:119624335925 | 131 | if (status != BD_ERROR_OK) { |
MACRUM | 0:119624335925 | 132 | printf("Failed to init SD card\r\n"); |
MACRUM | 0:119624335925 | 133 | return -1; |
MACRUM | 0:119624335925 | 134 | } |
MACRUM | 0:119624335925 | 135 | |
MACRUM | 0:119624335925 | 136 | // Mount the file system (reformatting on failure) |
MACRUM | 0:119624335925 | 137 | status = fs.mount(&sd); |
MACRUM | 0:119624335925 | 138 | if (status) { |
MACRUM | 0:119624335925 | 139 | printf("Failed to mount FAT file system, reformatting...\r\n"); |
MACRUM | 0:119624335925 | 140 | status = fs.reformat(&sd); |
MACRUM | 0:119624335925 | 141 | if (status) { |
MACRUM | 0:119624335925 | 142 | printf("Failed to reformat FAT file system\r\n"); |
MACRUM | 0:119624335925 | 143 | return -1; |
MACRUM | 0:119624335925 | 144 | } else { |
MACRUM | 0:119624335925 | 145 | printf("Reformat and mount complete\r\n"); |
MACRUM | 0:119624335925 | 146 | } |
MACRUM | 0:119624335925 | 147 | } |
MACRUM | 0:119624335925 | 148 | |
MACRUM | 0:119624335925 | 149 | printf("Connecting to the network using Wi-Fi...\n"); |
MACRUM | 0:119624335925 | 150 | |
MACRUM | 0:119624335925 | 151 | net = easy_connect(true); |
MACRUM | 0:119624335925 | 152 | // status = net.connect(WIFI_SSID, WIFI_PSWD, NSAPI_SECURITY_WPA_WPA2); |
MACRUM | 0:119624335925 | 153 | |
MACRUM | 0:119624335925 | 154 | SimpleMbedCloudClient mbedClient(net); |
MACRUM | 0:119624335925 | 155 | // Save pointer to mbedClient so that other functions can access it. |
MACRUM | 0:119624335925 | 156 | client = &mbedClient; |
MACRUM | 0:119624335925 | 157 | |
MACRUM | 0:119624335925 | 158 | status = mbedClient.init(); |
MACRUM | 0:119624335925 | 159 | if (status) { |
MACRUM | 0:119624335925 | 160 | return -1; |
MACRUM | 0:119624335925 | 161 | } |
MACRUM | 0:119624335925 | 162 | |
MACRUM | 0:119624335925 | 163 | printf("Client initialized\r\n"); |
MACRUM | 0:119624335925 | 164 | |
MACRUM | 0:119624335925 | 165 | // Mbed Cloud Client resource setup |
MACRUM | 0:119624335925 | 166 | MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource"); |
MACRUM | 0:119624335925 | 167 | button->set_value("0"); |
MACRUM | 0:119624335925 | 168 | button->methods(M2MMethod::GET); |
MACRUM | 0:119624335925 | 169 | button->observable(true); |
MACRUM | 0:119624335925 | 170 | button->attach_notification_callback(button_callback); |
MACRUM | 0:119624335925 | 171 | button_ptr = button; |
MACRUM | 0:119624335925 | 172 | |
MACRUM | 0:119624335925 | 173 | MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource"); |
MACRUM | 0:119624335925 | 174 | pattern->set_value("500:500:500:500"); |
MACRUM | 0:119624335925 | 175 | pattern->methods(M2MMethod::GET | M2MMethod::PUT); |
MACRUM | 0:119624335925 | 176 | pattern->attach_put_callback(pattern_updated); |
MACRUM | 0:119624335925 | 177 | pattern_ptr = pattern; |
MACRUM | 0:119624335925 | 178 | |
MACRUM | 0:119624335925 | 179 | MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource"); |
MACRUM | 0:119624335925 | 180 | blink->methods(M2MMethod::POST); |
MACRUM | 0:119624335925 | 181 | blink->attach_post_callback(blink_callback); |
MACRUM | 0:119624335925 | 182 | |
MACRUM | 0:119624335925 | 183 | /* Accelerometer */ |
MACRUM | 0:119624335925 | 184 | const int NUM_AXIS = 3; |
MACRUM | 0:119624335925 | 185 | MbedCloudClientResource* accel[NUM_AXIS]; |
MACRUM | 0:119624335925 | 186 | accel[0] = mbedClient.create_resource("3313/0/5702", "accel_x"); |
MACRUM | 0:119624335925 | 187 | accel[1] = mbedClient.create_resource("3313/0/5703", "accel_y"); |
MACRUM | 0:119624335925 | 188 | accel[2] = mbedClient.create_resource("3313/0/5704", "accel_z"); |
MACRUM | 0:119624335925 | 189 | for (int i=0; i < NUM_AXIS; i++) { |
MACRUM | 0:119624335925 | 190 | accel[i]->set_value(0); |
MACRUM | 0:119624335925 | 191 | accel[i]->methods(M2MMethod::GET); |
MACRUM | 0:119624335925 | 192 | accel[i]->attach_notification_callback(accel_callback); |
MACRUM | 0:119624335925 | 193 | accel[i]->observable(true); |
MACRUM | 0:119624335925 | 194 | } |
MACRUM | 0:119624335925 | 195 | MbedCloudClientResource* acc_unit = mbedClient.create_resource("3313/0/5701", "unit"); |
MACRUM | 0:119624335925 | 196 | acc_unit->set_value("G"); |
MACRUM | 0:119624335925 | 197 | |
MACRUM | 0:119624335925 | 198 | /* Temperature */ |
MACRUM | 0:119624335925 | 199 | MbedCloudClientResource *temp = mbedClient.create_resource("3303/0/5700", "temperature"); |
MACRUM | 0:119624335925 | 200 | temp->set_value("0"); |
MACRUM | 0:119624335925 | 201 | temp->methods(M2MMethod::GET); |
MACRUM | 0:119624335925 | 202 | temp->attach_notification_callback(temp_callback); |
MACRUM | 0:119624335925 | 203 | temp->observable(true); |
MACRUM | 0:119624335925 | 204 | MbedCloudClientResource *temp_unit = mbedClient.create_resource("3303/0/5701", "unit"); |
MACRUM | 0:119624335925 | 205 | temp_unit->set_value("Cel"); |
MACRUM | 0:119624335925 | 206 | |
MACRUM | 0:119624335925 | 207 | mbedClient.register_and_connect(); |
MACRUM | 0:119624335925 | 208 | |
MACRUM | 0:119624335925 | 209 | printf("Waiting for register and connect "); |
MACRUM | 0:119624335925 | 210 | // Wait for client to finish registering |
MACRUM | 0:119624335925 | 211 | while (!mbedClient.is_client_registered()) { |
MACRUM | 0:119624335925 | 212 | printf("."); |
MACRUM | 0:119624335925 | 213 | wait_ms(500); |
MACRUM | 0:119624335925 | 214 | } |
MACRUM | 0:119624335925 | 215 | printf("\n\n"); |
MACRUM | 0:119624335925 | 216 | |
MACRUM | 0:119624335925 | 217 | // Placeholder for callback to update local resource when GET comes. |
MACRUM | 0:119624335925 | 218 | //timer.attach(&button_press, 5.0); |
MACRUM | 0:119624335925 | 219 | sw2.mode(PullUp); |
MACRUM | 0:119624335925 | 220 | sw2.fall(button_press); |
MACRUM | 0:119624335925 | 221 | button_count = 0; |
MACRUM | 0:119624335925 | 222 | |
MACRUM | 0:119624335925 | 223 | // For sensors |
MACRUM | 0:119624335925 | 224 | LM75B lm75b(I2C_SDA, I2C_SCL); // temperature |
MACRUM | 0:119624335925 | 225 | MMA7660 mma7660(I2C_SDA, I2C_SCL); // accel |
MACRUM | 0:119624335925 | 226 | |
MACRUM | 0:119624335925 | 227 | const long measurementPeriod = 5; // sec |
MACRUM | 0:119624335925 | 228 | Timer timer; |
MACRUM | 0:119624335925 | 229 | timer.start(); |
MACRUM | 0:119624335925 | 230 | |
MACRUM | 0:119624335925 | 231 | |
MACRUM | 0:119624335925 | 232 | // Check if client is registering or registered, if true sleep and repeat. |
MACRUM | 0:119624335925 | 233 | while (mbedClient.is_register_called()) { |
MACRUM | 0:119624335925 | 234 | //static int button_count = 0; |
MACRUM | 0:119624335925 | 235 | |
MACRUM | 0:119624335925 | 236 | wait_ms(100); |
MACRUM | 0:119624335925 | 237 | |
MACRUM | 0:119624335925 | 238 | if (button_pressed) { |
MACRUM | 0:119624335925 | 239 | button_pressed = false; |
MACRUM | 0:119624335925 | 240 | //printf("button clicked %d times\r\n", ++button_count); |
MACRUM | 0:119624335925 | 241 | //button->set_value(button_count); |
MACRUM | 0:119624335925 | 242 | printf("button clicked %d times\r\n", button_count); |
MACRUM | 0:119624335925 | 243 | } |
MACRUM | 0:119624335925 | 244 | if( timer.read() > measurementPeriod) { |
MACRUM | 0:119624335925 | 245 | timer.reset(); |
MACRUM | 0:119624335925 | 246 | float temperature, acc[3]; |
MACRUM | 0:119624335925 | 247 | const unsigned int buf_size = 20; |
MACRUM | 0:119624335925 | 248 | char buf[buf_size]; |
MACRUM | 0:119624335925 | 249 | |
MACRUM | 0:119624335925 | 250 | |
MACRUM | 0:119624335925 | 251 | mma7660.readData(acc); |
MACRUM | 0:119624335925 | 252 | for(int i=0; i < NUM_AXIS; i++) { |
MACRUM | 0:119624335925 | 253 | snprintf(buf, buf_size, "%f", acc[i]); |
MACRUM | 0:119624335925 | 254 | accel[i]->set_value(buf); |
MACRUM | 0:119624335925 | 255 | } |
MACRUM | 0:119624335925 | 256 | printf("acc: %f,%f,%f\n", acc[0], acc[1], acc[2]); |
MACRUM | 0:119624335925 | 257 | |
MACRUM | 0:119624335925 | 258 | temperature = lm75b.read(); |
MACRUM | 0:119624335925 | 259 | snprintf(buf, buf_size, "%f", temperature); |
MACRUM | 0:119624335925 | 260 | temp->set_value(buf); |
MACRUM | 0:119624335925 | 261 | printf("temp: %s\n", buf); |
MACRUM | 0:119624335925 | 262 | } |
MACRUM | 0:119624335925 | 263 | |
MACRUM | 0:119624335925 | 264 | } |
MACRUM | 0:119624335925 | 265 | // Client unregistered, exit program. |
MACRUM | 0:119624335925 | 266 | return 0; |
MACRUM | 0:119624335925 | 267 | } |