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/**
******************************************************************************
* File Name : env_server_app.c
* Description : Handle HW/Environmental Service/Char
******************************************************************************
* @attention
*
* Copyright (c) 2019-2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "app_common.h"
#include "ble.h"
#include "dbg_trace.h"
#include "motenv_server_app.h"
#include "env_server_app.h"
#include "stm32wb5mm_dk.h"
#include "stm32wb5mm_dk_lcd.h"
#include "stm32_lcd.h"
#include "stm32wb5mm_dk_env_sensors.h"
/* Private defines -----------------------------------------------------------*/
#define PRESSURE_BYTES (4)
#define HUMIDITY_BYTES (2)
#define TEMPERATURE_BYTES (2)
#define VALUE_LEN_ENV (2+PRESSURE_BYTES+HUMIDITY_BYTES+TEMPERATURE_BYTES/*Temp2*/+TEMPERATURE_BYTES/*Temp1*/)
/* Private typedef -----------------------------------------------------------*/
/**
* @brief HW/Environmental Service/Char Context structure definition
*/
typedef struct
{
uint8_t NotificationStatus;
int32_t PressureValue;
uint16_t HumidityValue;
int16_t TemperatureValue[1];
uint8_t hasPressure;
uint8_t hasHumidity;
uint8_t hasTemperature;
} ENV_Server_App_Context_t;
/* Private macros ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/**
* @brief Environmental Capabilities
*/
PLACE_IN_SECTION("BLE_APP_CONTEXT") static ENV_Server_App_Context_t ENV_Server_App_Context;
/* Global variables ----------------------------------------------------------*/
extern int debug_trace_enabled;
extern uint8_t manuf_data[14];
/* Private function prototypes -----------------------------------------------*/
static void ENV_Handle_Sensor(void);
static void EnvSensor_GetCaps(void);
/* Functions Definition ------------------------------------------------------*/
/* Public functions ----------------------------------------------------------*/
/**
* @brief Init the HW/Environmental Service/Char Context
* @param None
* @retval None
*/
void ENV_Context_Init(void)
{
/* Env Sensors */
ENV_Server_App_Context.hasPressure = 0;
ENV_Server_App_Context.hasHumidity = 0;
ENV_Server_App_Context.hasTemperature = 0;
ENV_Set_Notification_Status(0);
/* Check Env caps */
EnvSensor_GetCaps();
}
/**
* @brief Set the notification status (enabled/disabled)
* @param status The new notification status
* @retval None
*/
void ENV_Set_Notification_Status(uint8_t status)
{
ENV_Server_App_Context.NotificationStatus = status;
}
/**
* @brief Send a notification for Environmental char
* @param None
* @retval None
*/
void ENV_Send_Notification_Task(void)
{
if(ENV_Server_App_Context.NotificationStatus)
{
if(debug_trace_enabled == 1){
APP_DBG_MSG("-- ENV APPLICATION SERVER : NOTIFY CLIENT WITH NEW ENV PARAMETER VALUE \n ");
APP_DBG_MSG(" \n\r");
}
ENV_Update();
}
else
{
if(debug_trace_enabled == 1){
APP_DBG_MSG("-- ENV APPLICATION SERVER : CAN'T INFORM CLIENT - NOTIFICATION DISABLED\n ");
}
}
return;
}
/**
* @brief Update the Environmental char value
* @param None
* @retval None
*/
void ENV_Update(void)
{
uint8_t tempIndex = 0;
uint8_t value[VALUE_LEN_ENV];
uint8_t BuffPos = 2;
/* Read ENV values */
ENV_Handle_Sensor();
/* Timestamp */
STORE_LE_16(value, (HAL_GetTick()>>3));
if(ENV_Server_App_Context.hasPressure == 1)
{
STORE_LE_32(&value[BuffPos], ENV_Server_App_Context.PressureValue);
}
BuffPos += PRESSURE_BYTES;
if(ENV_Server_App_Context.hasHumidity == 1)
{
STORE_LE_16(&value[BuffPos], ENV_Server_App_Context.HumidityValue);
}
BuffPos += HUMIDITY_BYTES;
for(tempIndex = 0; tempIndex < ENV_Server_App_Context.hasTemperature; tempIndex++)
{
STORE_LE_16(&value[BuffPos], ENV_Server_App_Context.TemperatureValue[tempIndex]);
BuffPos += TEMPERATURE_BYTES;
}
MOTENV_STM_App_Update_Char(ENV_CHAR_UUID, VALUE_LEN_ENV, (uint8_t *)&value);
return;
}
/* Private functions ---------------------------------------------------------*/
/**
* @brief Parse the values read by Environmental sensors
* @param None
* @retval None
*/
static void ENV_Handle_Sensor(void)
{
float temperature = 0.0;
int32_t decPart= 0, intPart=0;
char tempValue[16];
UTIL_LCD_ClearStringLine(2);
UTIL_LCD_ClearStringLine(3);
UTIL_LCD_ClearStringLine(4);
if(ENV_Server_App_Context.hasTemperature >= 1)
{
BSP_ENV_SENSOR_GetValue(ENV_SENSOR_STTS22H_0, ENV_TEMPERATURE, &temperature);
sprintf(tempValue,"Temp 1 : %2.1f C",temperature);
UTIL_LCD_DisplayStringAtLine(3,(uint8_t*)tempValue);
MCR_BLUEMS_F2I_1D(temperature, intPart, decPart);
ENV_Server_App_Context.TemperatureValue[0] = intPart*10+decPart;
}
BSP_LCD_Refresh(0);
}
/**
* @brief Check the Environmental active capabilities and set the ADV data accordingly
* @param None
* @retval None
*/
static void EnvSensor_GetCaps(void)
{
ENV_Server_App_Context.hasPressure = 0;
ENV_Server_App_Context.hasHumidity = 0;
ENV_Server_App_Context.hasTemperature = 1;
/* Update BLE ADV field (Env) */
if(ENV_Server_App_Context.hasTemperature > 1)
{
manuf_data[5] |= 0x05; /* Two Temperature values*/
}
else if(ENV_Server_App_Context.hasTemperature == 1)
{
manuf_data[5] |= 0x04; /* One Temperature value*/
}
if(ENV_Server_App_Context.hasHumidity)
{
manuf_data[5] |= 0x08; /* Humidity value */
}
if(ENV_Server_App_Context.hasPressure)
{
manuf_data[5] |= 0x10; /* Pressure value*/
}
}
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