Simple Mbed Cloud client application using features of K64F including Wi-Fi and SD Card
Fork of mbed-cloud-connect-example-ethernet by
Configuration
- Put ESP-WROOM-02 shield
- Put Mbed Application Shield
- Edit the text in the main.cpp
#define WIFI_SSID "SSID" #define WIFI_PSWD "PASSWORD"
- Download and replace your developer certificate from Mbed Cloud portal from the menu [Mbed Cloud] - [Certificate]
Revision 19:999d13f83602, committed 2018-07-03
- Comitter:
- MACRUM
- Date:
- Tue Jul 03 04:32:09 2018 +0000
- Parent:
- 18:139960a75894
- Commit message:
- Add sensor access code
Changed in this revision
diff -r 139960a75894 -r 999d13f83602 LM75B.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LM75B.lib Tue Jul 03 04:32:09 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/chris/code/LM75B/#6a70c9303bbe
diff -r 139960a75894 -r 999d13f83602 MMA7660.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA7660.lib Tue Jul 03 04:32:09 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/Sissors/code/MMA7660/#36a163511e34
diff -r 139960a75894 -r 999d13f83602 main.cpp --- a/main.cpp Tue Jul 03 02:54:58 2018 +0000 +++ b/main.cpp Tue Jul 03 04:32:09 2018 +0000 @@ -21,6 +21,8 @@ #include "SDBlockDevice.h" #include "FATFileSystem.h" #include "ESP8266Interface.h" +#include "MMA7660.h" +#include "LM75B.h" #define WIFI_SSID "SSID" #define WIFI_PSWD "PASSWORD" @@ -31,23 +33,31 @@ Thread thread1; // Storage implementation definition, currently using SDBlockDevice (SPI flash, DataFlash, and internal flash are also available) -/* K64 & K66 */ +/* K64 & K66 */ InterruptIn sw2(SW2); DigitalOut led2(LED2); -/* K64 & K66 */ + SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4); FATFileSystem fs("sd", &sd); ESP8266Interface net(D1, D0); +LM75B lm75b(I2C_SDA, I2C_SCL); // temperature +MMA7660 mma7660(I2C_SDA, I2C_SCL); // accel +const int NUM_AXIS = 3; // Declaring pointers for access to Mbed Cloud Client resources outside of main() MbedCloudClientResource *button_res; MbedCloudClientResource *pattern_res; +MbedCloudClientResource *temp_res; +MbedCloudClientResource *temp_unit_res; +MbedCloudClientResource *accel_res[NUM_AXIS]; +MbedCloudClientResource *acc_unit_res; static bool button_pressed = false; static int button_count = 0; - -void button_press() { + +void button_press() +{ button_pressed = true; ++button_count; button_res->set_value(button_count); @@ -58,7 +68,8 @@ * @param resource The resource that triggered the callback * @param newValue Updated value for the resource */ -void pattern_updated(MbedCloudClientResource *resource, m2m::String newValue) { +void pattern_updated(MbedCloudClientResource *resource, m2m::String newValue) +{ printf("PUT received, new value: %s\n", newValue.c_str()); } @@ -69,7 +80,8 @@ * Note that the buffer is deallocated after leaving this function, so copy it if you need it longer. * @param size Size of the body */ -void blink_callback(MbedCloudClientResource *resource, const uint8_t *buffer, uint16_t size) { +void blink_callback(MbedCloudClientResource *resource, const uint8_t *buffer, uint16_t size) +{ printf("POST received. Going to blink LED pattern: %s\n", pattern_res->get_value().c_str()); static DigitalOut augmentedLed(LED1); // LED that is used for blinking the pattern @@ -97,19 +109,51 @@ * @param resource The resource that triggered the callback * @param status The delivery status of the notification */ -void button_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) { +void button_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) +{ printf("Button notification, status %s (%d)\n", MbedCloudClientResource::delivery_status_to_string(status), status); } +void temp_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) +{ + printf("Temperature notification, status %s (%d)\n", MbedCloudClientResource::delivery_status_to_string(status), status); +} + +void accel_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) +{ + printf("Accelerometer notification, status %s (%d)\n", MbedCloudClientResource::delivery_status_to_string(status), status); +} + +void measure_sensors() +{ + float temperature, acc[3]; + const unsigned int buf_size = 20; + char buf[buf_size]; + + mma7660.readData(acc); + for(int i=0; i < NUM_AXIS; i++) { + snprintf(buf, buf_size, "%f", acc[i]); + accel_res[i]->set_value(buf); + } + printf("acc: %f,%f,%f\n", acc[0], acc[1], acc[2]); + + temperature = lm75b.read(); + snprintf(buf, buf_size, "%f", temperature); + temp_res->set_value(buf); + printf("temp: %s\n", buf); +} + /** * Registration callback handler * @param endpoint Information about the registered endpoint such as the name (so you can find it back in portal) */ -void registered(const ConnectorClientEndpointInfo *endpoint) { +void registered(const ConnectorClientEndpointInfo *endpoint) +{ printf("Connected to Mbed Cloud. Endpoint Name: %s\n", endpoint->internal_endpoint_name.c_str()); } -int main(void) { +int main(void) +{ printf("Starting Simple Mbed Cloud Client example\n"); printf("Connecting to the network using Wi-Fi...\n"); @@ -146,7 +190,30 @@ MbedCloudClientResource *blink_res = client.create_resource("3201/0/5850", "blink_action"); blink_res->methods(M2MMethod::POST); blink_res->attach_post_callback(blink_callback); + + temp_res = client.create_resource("3303/0/5700", "temperature"); + temp_res->set_value("0"); + temp_res->methods(M2MMethod::GET); + temp_res->attach_notification_callback(temp_callback); + temp_res->observable(true); + temp_unit_res = client.create_resource("3303/0/5701", "unit"); + temp_unit_res->set_value("Cel"); + + accel_res[0] = client.create_resource("3313/0/5702", "accel_x"); + accel_res[1] = client.create_resource("3313/0/5703", "accel_y"); + accel_res[2] = client.create_resource("3313/0/5704", "accel_z"); + + for (int i=0; i < NUM_AXIS; i++) { + accel_res[i]->set_value(0); + accel_res[i]->methods(M2MMethod::GET); + accel_res[i]->attach_notification_callback(accel_callback); + accel_res[i]->observable(true); + } + + acc_unit_res = client.create_resource("3313/0/5701", "unit"); + acc_unit_res->set_value("G"); + printf("Initialized Mbed Cloud Client. Registering...\n"); // Callback that fires when registering is complete @@ -155,25 +222,29 @@ // Register with Mbed Cloud client.register_and_connect(); - // Setup the button - sw2.mode(PullUp); - + // Setup the button + sw2.mode(PullUp); + // The button fall handler is placed in the event queue so it will run in - // thread context instead of ISR context, which allows safely updating the cloud resource - sw2.fall(eventQueue.event(&button_press)); - button_count = 0; + // thread context instead of ISR context, which allows safely updating the cloud resource + sw2.fall(eventQueue.event(&button_press)); + button_count = 0; + + // Placeholder for callback to update local resource when GET comes. + // The timer fires on an interrupt context, but debounces it to the eventqueue, so it's safe to do network operations + Ticker timer; + timer.attach(eventQueue.event(&measure_sensors), 5.0); // Start the event queue in a separate thread so the main thread continues thread1.start(callback(&eventQueue, &EventQueue::dispatch_forever)); - while(1) - { + while(1) { wait_ms(100); if (button_pressed) { button_pressed = false; - printf("button clicked %d times\r\n", button_count); + printf("button clicked %d times\r\n", button_count); } - + } }
diff -r 139960a75894 -r 999d13f83602 mbed_cloud_dev_credentials.c --- a/mbed_cloud_dev_credentials.c Tue Jul 03 02:54:58 2018 +0000 +++ b/mbed_cloud_dev_credentials.c Tue Jul 03 04:32:09 2018 +0000 @@ -15,39 +15,39 @@ */ #ifndef __MBED_CLOUD_DEV_CREDENTIALS_H__ #define __MBED_CLOUD_DEV_CREDENTIALS_H__ - + #if MBED_CONF_APP_DEVELOPER_MODE == 1 #error "Replace mbed_cloud_dev_credentials.c with your own developer cert." #endif - + #include <inttypes.h> - + const char MBED_CLOUD_DEV_BOOTSTRAP_ENDPOINT_NAME[] = ""; const char MBED_CLOUD_DEV_ACCOUNT_ID[] = ""; const char MBED_CLOUD_DEV_BOOTSTRAP_SERVER_URI[] = ""; - + const uint8_t MBED_CLOUD_DEV_BOOTSTRAP_DEVICE_CERTIFICATE[] = { 0x0 }; - + const uint8_t MBED_CLOUD_DEV_BOOTSTRAP_SERVER_ROOT_CA_CERTIFICATE[] = { 0x0 }; - + const uint8_t MBED_CLOUD_DEV_BOOTSTRAP_DEVICE_PRIVATE_KEY[] = { 0x0 }; - + const char MBED_CLOUD_DEV_MANUFACTURER[] = "dev_manufacturer"; - + const char MBED_CLOUD_DEV_MODEL_NUMBER[] = "dev_model_num"; - + const char MBED_CLOUD_DEV_SERIAL_NUMBER[] = "0"; - + const char MBED_CLOUD_DEV_DEVICE_TYPE[] = "dev_device_type"; - + const char MBED_CLOUD_DEV_HARDWARE_VERSION[] = "dev_hardware_version"; - + const uint32_t MBED_CLOUD_DEV_MEMORY_TOTAL_KB = 0; const uint32_t MBED_CLOUD_DEV_BOOTSTRAP_DEVICE_CERTIFICATE_SIZE = sizeof(MBED_CLOUD_DEV_BOOTSTRAP_DEVICE_CERTIFICATE); const uint32_t MBED_CLOUD_DEV_BOOTSTRAP_SERVER_ROOT_CA_CERTIFICATE_SIZE = sizeof(MBED_CLOUD_DEV_BOOTSTRAP_SERVER_ROOT_CA_CERTIFICATE); const uint32_t MBED_CLOUD_DEV_BOOTSTRAP_DEVICE_PRIVATE_KEY_SIZE = sizeof(MBED_CLOUD_DEV_BOOTSTRAP_DEVICE_PRIVATE_KEY); - + #endif //__MBED_CLOUD_DEV_CREDENTIALS_H__