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https://github.com/pvvx/RTL00_WEB.git
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85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
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#include "cmsis_os.h"
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#include <cJSON.h>
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#define malloc pvPortMalloc
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#define free vPortFree
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/* The data structure for this example
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{
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"Motion_Sensor" : "i",
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"Light" : {
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"Red" : "0",
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"Green" : "0",
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"Blue" : "0",
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}
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}
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*/
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static void gen_json_data(int i, int r, int g, int b)
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{
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cJSON_Hooks memoryHook;
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memoryHook.malloc_fn = malloc;
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memoryHook.free_fn = free;
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cJSON_InitHooks(&memoryHook);
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cJSON *IOTJSObject = NULL, *colorJSObject = NULL;
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char *iot_json = NULL;
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if((IOTJSObject = cJSON_CreateObject()) != NULL) {
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cJSON_AddItemToObject(IOTJSObject, "Motion_Sensor", cJSON_CreateNumber(i));
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cJSON_AddItemToObject(IOTJSObject, "Light", colorJSObject = cJSON_CreateObject());
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cJSON_AddItemToObject(colorJSObject, "Red", cJSON_CreateNumber(r));
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cJSON_AddItemToObject(colorJSObject, "Green", cJSON_CreateNumber(g));
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cJSON_AddItemToObject(colorJSObject, "Blue", cJSON_CreateNumber(b));
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iot_json = cJSON_Print(IOTJSObject);
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cJSON_Delete(IOTJSObject);
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}
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}
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static void handle_json_data(char *iot_json)
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{
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cJSON_Hooks memoryHook;
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memoryHook.malloc_fn = malloc;
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memoryHook.free_fn = free;
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cJSON_InitHooks(&memoryHook);
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cJSON *IOTJSObject, *sensorJSObject, *lightJSObject, *redJSObject, *greenJSObject, *blueJSObject;
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int sensor_data, red, green, blue;
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if((IOTJSObject = cJSON_Parse(iot_json)) != NULL) {
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sensorJSObject = cJSON_GetObjectItem(IOTJSObject, "Motion_Sensor");
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if(sensorJSObject)
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sensor_data = sensorJSObject->valueint;
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lightJSObject = cJSON_GetObjectItem(IOTJSObject, "Light");
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if(lightJSObject){
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redJSObject = cJSON_GetObjectItem(lightJSObject, "Red");
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greenJSObject = cJSON_GetObjectItem(lightJSObject, "Green");
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blueJSObject = cJSON_GetObjectItem(lightJSObject, "Blue");
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if(redJSObject)
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red = redJSObject->valueint;
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if(greenJSObject)
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green = greenJSObject->valueint;
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if(blueJSObject)
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blue = blueJSObject->valueint;
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}
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cJSON_Delete(IOTJSObject);
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}
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}
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