Xiaoyuan Yu
for high school students
Revision 0:4c6832694c5e, committed 2018-09-14
- Comitter:
- Dennis_Yu
- Date:
- Fri Sep 14 07:55:51 2018 +0000
- Commit message:
- required the mbed.h at version of 147
Changed in this revision
diff -r 000000000000 -r 4c6832694c5e esp8266.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/esp8266.lib Fri Sep 14 07:55:51 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/Dennis_Yu/code/esp8266/#08113511c9ab
diff -r 000000000000 -r 4c6832694c5e main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Sep 14 07:55:51 2018 +0000
@@ -0,0 +1,67 @@
+#include "mbed.h"
+#include "esp8266.h"
+/**********
+ * 订阅和发布地址格式
+ * 订阅主题/control/device/actuators
+ * 发布主题/values/device/sensors
+**********/
+
+
+Serial ser2usb(PA_2, PA_3);
+
+//声明设备名称，用于订阅和发布消息
+const char device[] = "warehouse";
+
+//声明所有传感器, 每行一个, 每个由名字单位两部分组成
+const char* sensors[][2] = {
+ "report", "",
+ NULL, NULL //last line must end with empty pointer
+};
+
+//声明所有执行器, 每行一个, 每个由名字参数类型两部分组成
+const char* actuators[][2] = {
+ "command", "",
+ "dat", "",
+ NULL, NULL //last line must end with empty pointer
+};
+
+
+int main()
+{
+ ser2usb.baud(115200);
+ // connect to wifi
+ ser2usb.printf("Initializing...\r\n");
+ Esp8266 client(PA_9, PA_10, "iot_b827eb8fb527", "7c02b50b");// TX pin / RX pin / SSID / Password
+
+ // connect to server
+ ser2usb.printf("connecting to mqtt server...\r\n");
+ client.connect_mqtt_broker("192.168.12.1", device, sensors, actuators);
+
+ //subscribe topic
+ client.subscribe_control(actuators[0][0]);
+ client.subscribe_control(actuators[1][0]);
+
+ // done report
+ ser2usb.printf("Initialization done.\r\n");
+
+ // declare buff
+ char actuator_name[32], control_value[32];
+
+ // main function
+ while (1)
+ {
+ // looking for new command
+ if (client.get_control_cmd(actuator_name, control_value))
+ {
+ ser2usb.printf("Received %s %s\r\n", actuator_name, control_value);
+ if (strcmp(actuator_name, "command") == 0)
+ {
+ client.publish_value("report", "received_a_command");
+ }
+ else if (strcmp(actuator_name, "dat") == 0)
+ {
+ client.publish_value("report", "received_a_data");
+ }
+ }
+ }
+}
diff -r 000000000000 -r 4c6832694c5e mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Sep 14 07:55:51 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/a97add6d7e64 \ No newline at end of file