55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
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#include "get_json.h"
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#include "cJSON.h"
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#include "bsp_uart.h"
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#include "string.h"
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uint8_t uart_rx_buffer[1024];
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json_data_struct json_data;
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int get_Json_data(void)
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{
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int result = -1;
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uint16_t uart_get_num = usart_rx_get_rx_data_count(USART_3_TR);
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uint16_t arry_size = 0;
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if(uart_get_num > 0)
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{
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usart_rx_recv(USART_3_TR, uart_rx_buffer, uart_get_num);
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cJSON *cjson = NULL,*params = NULL,*params_math = NULL;
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cjson = cJSON_Parse((const char*)uart_rx_buffer);
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memset(uart_rx_buffer,0x00,sizeof(uart_rx_buffer));
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if(cjson != NULL)
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{
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params = cJSON_GetObjectItem(cjson,"params");
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params_math = cJSON_GetObjectItem(params,"math");
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arry_size = cJSON_GetArraySize(params_math);
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if(arry_size >= 2)
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{
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json_data.min_trigger_res_value = cJSON_GetArrayItem(params_math, 0)->valueint;
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json_data.max_trigger_res_value = cJSON_GetArrayItem(params_math, 1)->valueint;
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result = 1;
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}
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}
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cJSON_Delete(cjson);
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}
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else
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{
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}
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return result;
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}
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uint16_t get_json_min_trigger_res_value(void)
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{
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return json_data.min_trigger_res_value;
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}
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uint16_t get_json_max_trigger_res_value(void)
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{
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return json_data.max_trigger_res_value;
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}
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