Merge pull request #126 from jieranzhi/master

for NUCLEO_STM32L073RZ board, added lorawan example in IAR, and added support for LIS3MDL and LPS22…

.gitignore

@@ -32,3 +32,5 @@ board/*/MDK-ARM/*.uvguix.*
 board/*/MDK-ARM/EventRecorderStub.scvd
 board/*/MDK-ARM/*/*.htm
 board/*/MDK-ARM/*/*.build_log.htm
+Obj/*
+Debug/*

board/NUCLEO_STM32L073RZ/BSP/HardWare/Common/bsp.c

@@ -0,0 +1,35 @@
+/**
+  ******************************************************************************
+  * @file    bsp.c
+  * @author  jieranzhi
+  * @brief   provide high level interfaces to manage the sensors on the 
+  *          application, this is a modified version of the official api
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "bsp.h"
+
+void  BSP_Sensor_Init(void)
+{
+  /* Initialize sensors */
+  HTS221_Init();
+  LPS22HB_Init();
+  LIS3MDL_Init();
+}
+
+void BSP_Sensor_Read(sensor_data_t *sensor_data)
+{
+  sensor_tempnhumi_t tempnhumi_sensor;
+  sensor_press_t press_sensor;
+  sensor_magn_t   magn_sensor;
+  
+  HTS221_Get_TemperatureAndHumidity(&tempnhumi_sensor);
+  LPS22HB_Get_Press(&press_sensor);
+  LIS3MDL_Get_Magn(&magn_sensor);
+  
+  sensor_data->sensor_press = press_sensor;
+  sensor_data->sensor_tempnhumi = tempnhumi_sensor;
+  sensor_data->sensor_magn = magn_sensor;
+}
+

board/NUCLEO_STM32L073RZ/BSP/HardWare/Common/bsp.h

@@ -0,0 +1,89 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: contains all hardware driver
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+/**
+  ******************************************************************************
+  * @file    bsp.h
+  * @author  MCD Application Team
+  * @brief   contains all hardware driver
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2018 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __BSP_H__
+#define __BSP_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/* Includes ------------------------------------------------------------------*/
+#include <stdint.h>
+#include "HTS221.h"
+#include "LPS22HB.h"
+#include "LIS3MDL.h"
+  
+/* Exported types ------------------------------------------------------------*/
+typedef struct
+{
+  sensor_press_t       sensor_press;         /* pressure sensor          */
+  sensor_tempnhumi_t   sensor_tempnhumi;     /* temperature and humidity */
+  sensor_magn_t        sensor_magn;          /* magnetometer             */
+  
+  //--------------------------- accelerator and gyroscope  -------------------//
+  int16_t  accel_x;                           /* in g           */
+  int16_t  accel_y;                           /* in g           */
+  int16_t  accel_z;                           /* in g           */
+  int16_t  gyro_x;                            /* in degree/s    */
+  int16_t  gyro_y;                            /* in degree/s    */
+  int16_t  gyro_z;                            /* in degree/s    */
+  
+} sensor_data_t;
+
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+/**
+ * @brief  initialises the sensor
+ *
+ * @note
+ * @retval None
+ */
+void  BSP_Sensor_Init(void);
+
+/**
+ * @brief  sensor  read.
+ *
+ * @note none
+ * @retval sensor_data
+ */
+void BSP_Sensor_Read(sensor_data_t *sensor_data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BSP_H__ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

board/NUCLEO_STM32L073RZ/BSP/HardWare/HTS221/HTS221.c

@@ -2,7 +2,8 @@
  * @breif	HTS221<32><31><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
  * @author	Mculover666(www.mculover666.cn)
  * @date	2019-12-27
- * @version	1.0.0
+ * @modified    by jieranzhi 2020/03/23
+ * @version	1.0.1
 ********************************************/
 
 #include <HTS221.h>
@@ -15,7 +16,7 @@ void HTS221_Init()
 	
 	//<2F><><EFBFBD>÷ֱ<C3B7><D6B1><EFBFBD>
 	cmd = 0x3F;
-	HAL_I2C_Mem_Write(&hi2c1, HTS221_ADDR_WR, 0x10, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+	HAL_I2C_Mem_Write(&hi2c1, HTS221_ADDR_WR, HTS221_AV_CONF, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
 	
 	//<2F><><EFBFBD>õ<EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 	cmd = 0x84;
@@ -57,11 +58,11 @@ uint8_t	HTS221_Get_Temperature(int16_t* temperature)
 	int32_t tmp32;
 	
 	/*1. <20><>ȡT0_degC_x8 <20><> T1_degC_x8 У<><D0A3>ֵ */
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x32, I2C_MEMADD_SIZE_8BIT, &T0_degC_x8, 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T0_degC_x8, I2C_MEMADD_SIZE_8BIT, &T0_degC_x8, 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x33, I2C_MEMADD_SIZE_8BIT, &T1_degC_x8, 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T1_degC_x8, I2C_MEMADD_SIZE_8BIT, &T1_degC_x8, 1, 0xFFFF);
 	
 	/*2. <20><>ȡT1_degC <20><> T0_degC <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ*/
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x35, I2C_MEMADD_SIZE_8BIT, &tmp, 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T1_T0_msb, I2C_MEMADD_SIZE_8BIT, &tmp, 1, 0xFFFF);
 	
 	// <20><><EFBFBD><EFBFBD>T0_degC and T1_degC ֵ */
 	T0_degC_x8_u16 = (((uint16_t)(tmp & 0x03)) << 8) | ((uint16_t)T0_degC_x8);
@@ -70,10 +71,10 @@ uint8_t	HTS221_Get_Temperature(int16_t* temperature)
 	T1_degC = T1_degC_x8_u16>>3;
 	
 	/*3. <20><>ȡ T0_OUT <20><> T1_OUT ֵ */
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x3C, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T0_OUT_L, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x3D, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T0_OUT_H, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x3E, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T1_OUT_L, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x3F, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_T1_OUT_H, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
 	
 	T0_out = (((uint16_t)buffer[1])<<8) | (uint16_t)buffer[0];
 	T1_out = (((uint16_t)buffer[3])<<8) | (uint16_t)buffer[2];
@@ -90,8 +91,8 @@ uint8_t	HTS221_Get_Temperature(int16_t* temperature)
 	T_out = (((uint16_t)buffer[1])<<8) | (uint16_t)buffer[0];
 	
 	/* 5. ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD>㵱ǰ<E3B5B1><C7B0>Ӧ<EFBFBD><D3A6><EFBFBD>¶<EFBFBD>ֵ */
-	tmp32 = ((int32_t)(T_out - T0_out)) * ((int32_t)(T1_degC - T0_degC)*10);
+	tmp32 = ((int32_t)(T_out - T0_out)) * ((int32_t)(T1_degC - T0_degC));
-	*temperature = tmp32 /(T1_out - T0_out) + T0_degC*10;
+	*temperature = tmp32*10 /(T1_out - T0_out) + T0_degC*10;
 	
 	return 0;
 }
@@ -108,24 +109,24 @@ uint8_t	HTS221_Get_Humidity(int16_t* humidity)
 	
 	
 	/* 1. <20><>ȡH0_rH and H1_rH У<><D0A3>ֵ */
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x30, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_H0_rH_x2, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x31, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_H1_rH_x2, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
 	H0_rh = buffer[0] >> 1;
 	H1_rh = buffer[1] >> 1;
 	
 	/*2. <20><>ȡ H0_T0_OUT У<><D0A3>ֵ */
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x36, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_H0_T0_OUT_L, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x37, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_H0_T0_OUT_H, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
 	H0_T0_out = (((uint16_t)buffer[1])<<8) | (uint16_t)buffer[0];
 	
 	/*3. <20><>ȡ H1_T0_OUT У<><D0A3>ֵ */
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x3A, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_H1_T0_OUT_L, I2C_MEMADD_SIZE_8BIT, &buffer[0], 1, 0xFFFF);
-	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, 0x3B, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
+	HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_H1_T0_OUT_H, I2C_MEMADD_SIZE_8BIT, &buffer[1], 1, 0xFFFF);
 	H1_T0_out = (((uint16_t)buffer[1])<<8) | (uint16_t)buffer[0];
 
 	/*4. <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ɺ<EFBFBD><C9BA><EFBFBD>ȡת<C8A1><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ */
 	HTS221_Start();
-	while(status_dat != 0x03)
+	while(status_dat != (HTS221_T_DA|HTS221_H_DA))
 	{
 		HAL_I2C_Mem_Read(&hi2c1, HTS221_ADDR_RD, HTS221_STATUS_REG, I2C_MEMADD_SIZE_8BIT, &status_dat, 1, 0xFFFF);
 	}
@@ -145,3 +146,20 @@ uint8_t	HTS221_Get_Humidity(int16_t* humidity)
 	
 	return 0;
 }
+
+/* <20><>ȡHT221<32><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>sensor<6F><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
+uint8_t	HTS221_Get_TemperatureAndHumidity(sensor_tempnhumi_t* tempnhumi_sensor)
+{
+  int16_t temperature;
+  int16_t humidity;
+  
+  HTS221_Get_Temperature(&temperature);
+  HTS221_Get_Humidity(&humidity);
+  
+  tempnhumi_sensor->temp_sensitivity = 64;
+  tempnhumi_sensor->temperature = temperature;
+  tempnhumi_sensor->humi_sensitivity = 256;
+  tempnhumi_sensor->humidity = humidity;
+  
+  return 0;
+}

board/NUCLEO_STM32L073RZ/BSP/HardWare/HTS221/HTS221.h

@@ -10,6 +10,7 @@
 #define HTS221_CTRL_REG2	0x21
 #define HTS221_CTRL_REG3	0x22
 
+#define HTS221_AV_CONF          0x10
 #define HTS221_STATUS_REG	0x27
 
 #define HTS221_HUMIDITY_OUT_L	0x28
@@ -17,9 +18,45 @@
 #define HTS221_TEMP_OUT_L	0x2A
 #define HTS221_TEMP_OUT_H	0x2B
 
-void HTS221_Init(void);
+#define HTS221_H0_rH_x2         0x30
+#define HTS221_H1_rH_x2         0x31
+#define HTS221_H0_T0_OUT_L      0x36
+#define HTS221_H0_T0_OUT_H      0x37
+#define HTS221_H1_T0_OUT_L      0x3A
+#define HTS221_H1_T0_OUT_H      0x3B
 
+#define HTS221_T0_degC_x8       0x32
+#define HTS221_T1_degC_x8       0x33
+#define HTS221_T1_T0_msb        0x35
+#define HTS221_T0_OUT_L         0x3C
+#define HTS221_T0_OUT_H         0x3D
+#define HTS221_T1_OUT_L         0x3E
+#define HTS221_T1_OUT_H         0x3F
+
+/** 
+  * @brief  temperature & humidity sensor structures definition  
+  * added by jieranzhi, 2020/03/29
+  */ 
+typedef struct
+{
+  uint8_t   temp_sensitivity;
+  int16_t   temperature;
+  uint16_t  humi_sensitivity;
+  int16_t   humidity;
+}sensor_tempnhumi_t;
+
+/** 
+  * @brief  STATUS structures definition  
+  */ 
+typedef enum
+{ 
+  HTS221_T_DA  = 0x01U,  /*!< temperature data available    */
+  HTS221_H_DA  = 0x02U,  /*!< humidity data available       */ 
+}HTS221_StatusTypeDef;
+
+void HTS221_Init(void);
 uint8_t	HTS221_Get_Temperature(int16_t* temperature);
 uint8_t	HTS221_Get_Humidity(int16_t* humidity);
+uint8_t	HTS221_Get_TemperatureAndHumidity(sensor_tempnhumi_t* tempnhumi_sensor);
 
 #endif /*  _HTS221_H_ */

board/NUCLEO_STM32L073RZ/BSP/HardWare/LIS3MDL/LIS3MDL.c

@@ -0,0 +1,136 @@
+/**
+  ******************************************************************************
+  * @file       LIS3MDL.c
+  * @author     jieranzhi
+  * @update     2020/03/23 19:00 CST
+  * @brief      This file provides code for the LIS3MDL Initialization 
+  *             and data output codes.
+  ******************************************************************************
+  * @attention
+  *
+  * 1. this code is used as one of the examples in TencentOS_tiny project, it's 
+  *    just a simple implementation of the sensor functionalities, to implement 
+  *    more functions, please refer to the datasheet or the official software 
+  *    package provided by ST (STM32CubeExpansion_LRWAN_V1.3.1)
+  *
+  * 2. in this file the host MCU will to read the output persistently, which is 
+  *    NOT of power efficient.
+  *
+  ******************************************************************************
+  */
+
+#include <LIS3MDL.h>
+#include <i2c.h>
+
+// initialization of LIS3MDL
+void LIS3MDL_Init()
+{
+  uint8_t cmd = 0;
+                 
+  // enable temperature sensor(temperature compensation);X and Y axes operative 
+  // mode(Medium-performance); Output data rate(10Hz); disable high data rate
+  // disable Self-test
+  cmd = 0xB0;
+  HAL_I2C_Mem_Write(&hi2c1, LIS3MDL_ADDR_WR, LIS3MDL_CTRL_REG1, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+                    
+  // Full-scale:+/-4gauss; Reboot memory(normal)
+  cmd = 0x00;
+  HAL_I2C_Mem_Write(&hi2c1, LIS3MDL_ADDR_WR, LIS3MDL_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+  
+  // disable lowpower mode; Operating mode (continuous mode)
+  cmd = 0x00;
+  HAL_I2C_Mem_Write(&hi2c1, LIS3MDL_ADDR_WR, LIS3MDL_CTRL_REG3, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+  
+  // Z-axis operative mode (Medium-performance)
+  cmd = 0x04;
+  HAL_I2C_Mem_Write(&hi2c1, LIS3MDL_ADDR_WR, LIS3MDL_CTRL_REG4, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+  
+  // disable FAST READ; data block update(continuous)
+  cmd = 0x40;
+  HAL_I2C_Mem_Write(&hi2c1, LIS3MDL_ADDR_WR, LIS3MDL_CTRL_REG5, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+}
+
+// get fullscale configuration
+LIS3MDL_FullScaleTypeDef LIS3MDL_Get_FullScale()
+{
+  uint8_t fullscale;
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &fullscale, 1, 0xFFFF);
+  fullscale = (fullscale<<1)>>6;
+  return (LIS3MDL_FullScaleTypeDef)fullscale;
+}
+
+// set fullscale of the sensor
+void LIS3MDL_Set_FullScale(LIS3MDL_FullScaleTypeDef fullscale)
+{
+  uint8_t ctrl_reg2_value;
+  uint8_t fullscale_config = (uint8_t)fullscale;
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &ctrl_reg2_value, 1, 0xFFFF);
+  fullscale_config = (ctrl_reg2_value&0x9F)|(fullscale_config<<5);
+  HAL_I2C_Mem_Write(&hi2c1, LIS3MDL_ADDR_WR, LIS3MDL_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &fullscale_config, 1, 0xFFFF);
+}
+
+// calculate the sensitivity per fullscale
+uint16_t LIS3MDL_Get_Sensitivity(LIS3MDL_FullScaleTypeDef fullscale)
+{
+  uint16_t sensitivity = 1;
+  switch(fullscale)
+  {
+    case FULLSCALE_4:{
+      sensitivity = 6842;
+      break;
+    }
+    case FULLSCALE_8:{
+      sensitivity = 3421;
+      break;
+    }
+    case FULLSCALE_12:{
+      sensitivity = 2281;
+      break;
+    }
+    case FULLSCALE_16:{
+      sensitivity = 1711;
+      break;
+    }
+    default:{
+      sensitivity = 1;
+    }
+  }
+  return sensitivity;
+}
+
+// start a new acquisition by enabling the one-shot bit in the LIS3MDL_CTRL_REG2
+// and read the magnetic field from the sensor
+uint8_t LIS3MDL_Get_Magn(sensor_magn_t* magn_sensor)
+{
+  uint8_t status_dat = 0;
+  uint8_t magn_x_out_l = 0;
+  uint8_t magn_x_out_h = 0;
+  uint8_t magn_y_out_l = 0;
+  uint8_t magn_y_out_h = 0;
+  uint8_t magn_z_out_l = 0;
+  uint8_t magn_z_out_h = 0;
+  
+  // get fullscale and sensitivity
+  LIS3MDL_FullScaleTypeDef fullscale = LIS3MDL_Get_FullScale();
+  magn_sensor->fullscale = (uint8_t)fullscale;
+  magn_sensor->sensitivity = LIS3MDL_Get_Sensitivity(fullscale);
+  
+  // wait until the data is ready
+  while((status_dat&LIS3MDL_ZYXDA) != LIS3MDL_ZYXDA)
+  {
+    HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_STATUS_REG, I2C_MEMADD_SIZE_8BIT, &status_dat, 1, 0xFFFF);
+  }
+  
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_X_OUT_L, I2C_MEMADD_SIZE_8BIT, &magn_x_out_l, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_X_OUT_H, I2C_MEMADD_SIZE_8BIT, &magn_x_out_h, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_Y_OUT_L, I2C_MEMADD_SIZE_8BIT, &magn_y_out_l, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_Y_OUT_H, I2C_MEMADD_SIZE_8BIT, &magn_y_out_h, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_Z_OUT_L, I2C_MEMADD_SIZE_8BIT, &magn_z_out_l, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LIS3MDL_ADDR_RD, LIS3MDL_Z_OUT_H, I2C_MEMADD_SIZE_8BIT, &magn_z_out_h, 1, 0xFFFF);
+  
+  magn_sensor->magn_x = (uint16_t)magn_x_out_h<<8|magn_x_out_l;
+  magn_sensor->magn_y = (uint16_t)magn_y_out_h<<8|magn_y_out_l;
+  magn_sensor->magn_z = (uint16_t)magn_z_out_h<<8|magn_z_out_l;
+  
+  return 0;
+}

board/NUCLEO_STM32L073RZ/BSP/HardWare/LIS3MDL/LIS3MDL.h

@@ -0,0 +1,93 @@
+/**
+  ******************************************************************************
+  * @file       LIS3MDL.h
+  * @author     jieranzhi (the developer)
+  * @update     2020/03/23 19:00 CST
+  * @brief      This file contains basic functions prototypes and pre-definitions 
+  *             of the register addresses
+  ******************************************************************************
+  * @attention
+  *
+  * 1. the temperature sensor embedded in the LIS3MDL is intended to be embedded 
+  *    temperature compensation. Therefore, in this file we DO NOT include the
+  *    temperature output
+  *
+  * 2. on the P-NUCLEO-LRWAN3, the SDO/SA0 pad is connected to voltage supply(
+  *    via a resistor), LSb is <20><>1<EFBFBD><31> (address 1011101b)
+  *
+  * 3. for more information, please refer to the datasheet
+  *    (https://www.st.com/resource/en/datasheet/lis3mdl.pdf)
+  *
+  ******************************************************************************
+  */ 
+#ifndef	_LIS3MDL_H_
+#define	_LIS3MDL_H_
+
+#include <stm32l0xx_hal.h>
+
+/* Registers -----------------------------------------------------------------*/
+#define LIS3MDL_ADDR_WR	0x3C
+#define LIS3MDL_ADDR_RD	0x3D
+
+#define LIS3MDL_CTRL_REG1 0x20
+#define LIS3MDL_CTRL_REG2 0x21
+#define LIS3MDL_CTRL_REG3 0x22
+#define LIS3MDL_CTRL_REG4 0x23
+#define LIS3MDL_CTRL_REG5 0x24
+
+#define LIS3MDL_STATUS_REG	0x27
+
+#define LIS3MDL_X_OUT_L         0x28
+#define LIS3MDL_X_OUT_H         0x29
+#define LIS3MDL_Y_OUT_L         0x2A
+#define LIS3MDL_Y_OUT_H         0x2B
+#define LIS3MDL_Z_OUT_L         0x2C
+#define LIS3MDL_Z_OUT_H         0x2D
+
+/* Enumeration ---------------------------------------------------------------*/
+/** 
+  * @brief  STATUS structures definition  
+  */ 
+typedef enum
+{
+  LIS3MDL_ZYXOR  = 0x80U,  /*!< XYZ-axis data overrun       */  
+  LIS3MDL_ZOR    = 0x40U,  /*!< Z-axis data overrun         */
+  LIS3MDL_YOR    = 0x20U,  /*!< Y-axis data overrun         */     
+  LIS3MDL_XOR    = 0x10U,  /*!< X-axis data overrun         */  
+  LIS3MDL_ZYXDA  = 0x08U,  /*!< XYZ-axis data available     */  
+  LIS3MDL_ZDA    = 0x04U,  /*!< Z-axis data available       */
+  LIS3MDL_YDA    = 0x02U,  /*!< Y-axis data available       */     
+  LIS3MDL_XDA    = 0x01U,  /*!< X-axis data available       */ 
+}LIS3MDL_StatusTypeDef;
+
+/** 
+  * @brief  STATUS structures definition  
+  */ 
+typedef enum
+{
+  FULLSCALE_4  = 0x00U,
+  FULLSCALE_8  = 0x01U,
+  FULLSCALE_12 = 0x02U,
+  FULLSCALE_16 = 0x03U
+}LIS3MDL_FullScaleTypeDef;
+
+/** 
+  * @brief  magnetic sensor structures definition  
+  */ 
+typedef struct
+{
+  uint8_t  fullscale;                    // fullscale of magnetometer
+  uint16_t sensitivity;                  // sensitivity per fullscale
+  uint16_t magn_x;                       // X-magnetic value in LSB
+  uint16_t magn_y;                       // Y-magnetic value in LSB
+  uint16_t magn_z;                       // Z-magnetic value in LSB
+}sensor_magn_t;
+
+/* Functions -----------------------------------------------------------------*/
+void LIS3MDL_Init(void);
+void LIS3MDL_Set_FullScale(LIS3MDL_FullScaleTypeDef fullscale);
+LIS3MDL_FullScaleTypeDef LIS3MDL_Get_FullScale(void);
+uint16_t LIS3MDL_Get_Sensitivity(LIS3MDL_FullScaleTypeDef fullscale);
+uint8_t LIS3MDL_Get_Magn(sensor_magn_t* magn_sensor);
+
+#endif /*  _LIS3MDL_H_ */

board/NUCLEO_STM32L073RZ/BSP/HardWare/LPS22HB/LPS22HB.c

@@ -0,0 +1,79 @@
+/**
+  ******************************************************************************
+  * @file       LPS22HB.c
+  * @author     jieranzhi
+  * @update     2020/03/23 19:00 CST
+  * @brief      This file provides code for the LPS22HB Initialization 
+  *             and data output codes.
+  ******************************************************************************
+  * @attention
+  *
+  * 1. this code is used as one of the examples in TencentOS_tiny project, it's 
+  *    just a simple implementation of the sensor functionalities, to implement 
+  *    more functions, please refer to the datasheet or the official software 
+  *    package provided by ST (STM32CubeExpansion_LRWAN_V1.3.1)
+  *
+  * 2. in this file the host MCU need to read the output persistently, which is 
+  *    not of power efficient, to achieve better power consumption performance,  
+  *    it is recommended to use FIFO.
+  *
+  ******************************************************************************
+  */
+
+#include <LPS22HB.h>
+#include <i2c.h>
+
+// initialization of LPS22HB
+void LPS22HB_Init()
+{
+  uint8_t cmd = 0;
+  
+  // reset the Low-power mode configuration
+  cmd = 0x00;
+  HAL_I2C_Mem_Write(&hi2c1, LPS22HB_ADDR_WR, LPS22HB_RES_CONF_REG, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+                    
+  // setup data rate(power down, 000); disable lowpass filter (we use one-shot in this case); Block data update(continuous)
+  cmd = 0x00;
+  HAL_I2C_Mem_Write(&hi2c1, LPS22HB_ADDR_WR, LPS22HB_CTRL_REG1, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+                    
+  // reboot mode(normal); disable FIFO; enable IF_ADD_INC; enable I2C; software reset mode(normal); one-shot mode(idle)
+  cmd = 0x10;
+  HAL_I2C_Mem_Write(&hi2c1, LPS22HB_ADDR_WR, LPS22HB_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+  
+  // interupt control: set to default value (0x00)
+  cmd = 0x00;
+  HAL_I2C_Mem_Write(&hi2c1, LPS22HB_ADDR_WR, LPS22HB_CTRL_REG3, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+}
+
+// enable one-shot to start a new acquisition (conversion)
+static void LPS22HB_Start()
+{
+  uint8_t cmd = 0;
+  HAL_I2C_Mem_Read(&hi2c1, LPS22HB_ADDR_RD, LPS22HB_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+  cmd |= 0x01;
+  HAL_I2C_Mem_Write(&hi2c1, LPS22HB_ADDR_WR, LPS22HB_CTRL_REG2, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0xFFFF);
+} 
+
+// start a new acquisition by enabling the one-shot bit in the LPS22HB_CTRL_REG2
+// and read the pressure from the sensor
+uint8_t LPS22HB_Get_Press(sensor_press_t* press_sensor)
+{
+  uint8_t status_dat = 0;
+  uint8_t pressure_out_l = 0;
+  uint8_t pressure_out_h = 0;
+  uint8_t pressure_out_xl = 0;
+  press_sensor->sensitivity = 4096;
+  
+  LPS22HB_Start();
+  while((status_dat&LPS22HB_P_DA) != LPS22HB_P_DA)
+  {
+    HAL_I2C_Mem_Read(&hi2c1, LPS22HB_ADDR_RD, LPS22HB_STATUS_REG, I2C_MEMADD_SIZE_8BIT, &status_dat, 1, 0xFFFF);
+  }
+  
+  HAL_I2C_Mem_Read(&hi2c1, LPS22HB_ADDR_RD, LPS22HB_PRESS_OUT_XL, I2C_MEMADD_SIZE_8BIT, &pressure_out_xl, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LPS22HB_ADDR_RD, LPS22HB_PRESS_OUT_L, I2C_MEMADD_SIZE_8BIT, &pressure_out_l, 1, 0xFFFF);
+  HAL_I2C_Mem_Read(&hi2c1, LPS22HB_ADDR_RD, LPS22HB_PRESS_OUT_H, I2C_MEMADD_SIZE_8BIT, &pressure_out_h, 1, 0xFFFF);
+  
+  press_sensor->pressure = (((uint32_t)pressure_out_h<<16) | ((uint16_t)pressure_out_l<<8) | pressure_out_xl);
+  return 0;
+}

board/NUCLEO_STM32L073RZ/BSP/HardWare/LPS22HB/LPS22HB.h

@@ -0,0 +1,68 @@
+/**
+  ******************************************************************************
+  * @file       LPS22HB.h
+  * @author     jieranzhi (the developer)
+  * @update     2020/03/23 19:00 CST
+  * @brief      This file contains basic functions prototypes and pre-definitions 
+  *             of the register addresses
+  ******************************************************************************
+  * @attention
+  *
+  * 1. the temperature sensor embedded in the LPS22HB is intended to be embedded 
+  *    temperature compensation. Therefore, in this file we DO NOT include the
+  *    temperature output
+  *
+  * 2. on the P-NUCLEO-LRWAN3, the SDO/SA0 pad is connected to voltage supply(
+  *    via a resistor), LSb is <20><>1<EFBFBD><31> (address 1011101b)
+  *
+  * 3. for more information, please refer to the datasheet
+  *    (https://www.st.com/resource/en/datasheet/dm00140895.pdf)
+  *
+  ******************************************************************************
+  */ 
+#ifndef	_LPS22HB_H_
+#define	_LPS22HB_H_
+
+#include <stm32l0xx_hal.h>
+
+/* Registers -----------------------------------------------------------------*/
+#define LPS22HB_ADDR_WR	0xBA
+#define LPS22HB_ADDR_RD	0xBB
+
+#define LPS22HB_CTRL_REG1 0x10
+#define LPS22HB_CTRL_REG2 0x11
+#define LPS22HB_CTRL_REG3 0x12
+
+#define LPS22HB_RES_CONF_REG    0x1A
+#define LPS22HB_STATUS_REG	0x27
+
+#define LPS22HB_PRESS_OUT_XL    0x28
+#define LPS22HB_PRESS_OUT_L     0x29
+#define LPS22HB_PRESS_OUT_H     0x2A
+
+/* Enumeration ---------------------------------------------------------------*/
+/** 
+  * @brief  STATUS structures definition  
+  */ 
+typedef enum
+{
+  LPS22HB_T_OR  = 0x20,  /*!< temperature overrun            */  
+  LPS22HB_P_OR  = 0x10,  /*!< pressure overrun               */
+  LPS22HB_T_DA  = 0x02,  /*!< new temperature data available */     
+  LPS22HB_P_DA  = 0x01,  /*!< new pressure data available    */  
+}LPS22HB_StatusTypeDef;
+
+/** 
+  * @brief  pressure sensor structures definition  
+  */ 
+typedef struct
+{
+  uint16_t sensitivity;                  // sensitivity per fullscale
+  uint32_t pressure;                       // X-magnetic value in LSB
+}sensor_press_t;
+
+/* Functions -----------------------------------------------------------------*/
+void LPS22HB_Init(void);
+uint8_t LPS22HB_Get_Press(sensor_press_t* press_sensor);
+
+#endif /*  _LPS22HB_H_ */

board/NUCLEO_STM32L073RZ/BSP/Src/lora_demo.c

@@ -1,6 +1,7 @@
 #include "lora_demo.h"
-#include "HTS221.h"
 #include "RHF76.h"
+#include <Math.h>
+#include "bsp.h"
 
 /*
  ==================================================================================
@@ -54,9 +55,18 @@
 uint16_t report_period = 10;
 
 typedef struct device_data_st {
-    uint8_t     temperature;
+    uint8_t     magn_fullscale;                // fullscale of magnetometer
-    uint8_t     humidity;
+    uint8_t     temp_sensitivity;
+    uint16_t    humi_sensitivity;
+    uint16_t    press_sensitivity;
+    uint16_t    magn_sensitivity;              // sensitivity per fullscale
+    int16_t     temperature;
+    int16_t     humidity;  
+    int16_t     magn_x;                       // X-magnetic value in LSB
+    int16_t     magn_y;                       // Y-magnetic value in LSB
+    int16_t     magn_z;                       // Z-magnetic value in LSB
     uint16_t    period;
+    uint32_t    pressure;
 } __PACKED__ dev_data_t;
 
 typedef struct device_data_wrapper_st {
@@ -86,29 +96,103 @@ void recv_callback(uint8_t *data, uint8_t len)
     printf("report_period: %d\n", report_period);
 }
 
+void print_to_screen(sensor_data_t sensor_data)
+{
+  float pressure = sensor_data.sensor_press.pressure*1.0/sensor_data.sensor_press.sensitivity;
+  float altitude = (pow(1013.25/pressure,1.0/5.257) - 1)*((int16_t)sensor_data.sensor_tempnhumi.temperature/10.0+273.15)/0.0065;
+  printf("temperature: %2.2f\n", (int16_t)sensor_data.sensor_tempnhumi.temperature / 10.0);
+  printf("humidity   : %2.2f\n", sensor_data.sensor_tempnhumi.humidity / 10.0);
+  printf("pressure   : %2.2f,\t altitude: %2.2f\n", pressure, altitude);
+  printf("magn       : %2.3f, %2.3f, %2.3f\n", 
+               (int16_t)sensor_data.sensor_magn.magn_x*1.0/sensor_data.sensor_magn.sensitivity, 
+               (int16_t)sensor_data.sensor_magn.magn_y*1.0/sensor_data.sensor_magn.sensitivity, 
+               (int16_t)sensor_data.sensor_magn.magn_z*1.0/sensor_data.sensor_magn.sensitivity);
+}
+
+/**
+ * @brief     application entry
+ * @modified  by jieranzhi 2020/03/31
+ * @note      following javascript code snippet demonstrate how to correctly 
+ *            decode the data passed to Tencent cloud
+ ****************************** CODE START *****************************  
+              function RawToProtocol(fPort, bytes) 
+              {
+                var data ={
+                        "method": "report",
+                        "clientToken": new Date(),
+                        "params": {}
+                }
+                var magnFullscale   = bytes[0];
+                switch(magnFullscale)
+                {
+                        case 0:
+                                data.params.magnFullscale = 4; 
+                        break;
+                        case 1:
+                                data.params.magnFullscale = 8; 
+                        break;
+                        case 2:
+                                data.params.magnFullscale = 12; 
+                        break;
+                        case 3:
+                                data.params.magnFullscale = 16; 
+                        break;
+                }
+                var tempSensitivity = bytes[1];
+                var humiSensitivity = bytes[2] | (bytes[3]<<8);
+                var presSensitivity = bytes[4] | (bytes[5]<<8);
+                var magnSensitivity = bytes[6] | (bytes[7]<<8);
+
+                data.params.temperature   = (convertToInt16(bytes[8] | (bytes[9]<<8))*1.0/10).toFixed(2);
+                data.params.humidity      = ((bytes[10] | (bytes[11]<<8))*1.0/10).toFixed(2);
+                data.params.magnX         = (convertToInt16(bytes[12] | (bytes[13]<<8))*1.0/magnSensitivity).toFixed(2);
+                data.params.magnY         = (convertToInt16(bytes[14] | (bytes[15]<<8))*1.0/magnSensitivity).toFixed(2);
+                data.params.magnZ         = (convertToInt16(bytes[16] | (bytes[17]<<8))*1.0/magnSensitivity).toFixed(2);
+                data.params.period        = bytes[18] | (bytes[19]<<8);
+                data.params.pressure      = ((bytes[20] | (bytes[21]<<8) | (bytes[22]<<16) | (bytes[23]<<24))*1.0/presSensitivity).toFixed(2);
+                data.params.altitude      = ((Math.pow(1017.92/data.params.pressure,1.0/5.257) - 1)*(data.params.temperature/10.0+273.15)/0.0065).toFixed(2);
+                data.params.fPort         = fPort;
+                return data;
+             } 
+
+            function convertToInt16(num)
+            {
+                    var intNum = num;
+                    if ((num & 0x8000) > 0) {
+                            intNum = num - 0x10000;
+                    }
+                    return intNum;
+            }
+ ****************************** CODE END ***************************** 
+ */
 void application_entry(void *arg)
 {
-    int16_t temperature;
+    sensor_data_t sensor_data;
-    int16_t humidity;
 
-    HTS221_Init();
+    // initialization of sensors
+    BSP_Sensor_Init();
 
     rhf76_lora_init(HAL_UART_PORT_1);
     tos_lora_module_recvcb_register(recv_callback);
-
+    tos_lora_module_join_otaa("8cf957200000f53c", "8cf957200000f52c6d09aaaaad205a72");
-    tos_lora_module_join_otaa("8cf957200000fa57", "8cf957200000fa572059aaaaad204a72");
 
     while (1) {
-        HTS221_Get_Temperature(&temperature);
+        BSP_Sensor_Read(&sensor_data);
-        HTS221_Get_Humidity(&humidity);
+        print_to_screen(sensor_data);
-
+        // generate data frame
-        printf("temperature: %2.1f\n", temperature / 10.0);
+        dev_data_wrapper.u.dev_data.magn_fullscale    = (uint8_t)(sensor_data.sensor_magn.fullscale);
-        printf("humidity   : %2.1f\n", humidity / 10.0);
+        dev_data_wrapper.u.dev_data.temp_sensitivity  = (uint8_t)(sensor_data.sensor_tempnhumi.temp_sensitivity);
-
+        dev_data_wrapper.u.dev_data.humi_sensitivity  = (uint16_t)(sensor_data.sensor_tempnhumi.humi_sensitivity);
-        dev_data_wrapper.u.dev_data.temperature = temperature / 10;
+        dev_data_wrapper.u.dev_data.press_sensitivity = (uint16_t)(sensor_data.sensor_press.sensitivity);
-        dev_data_wrapper.u.dev_data.humidity    = humidity / 10;
+        dev_data_wrapper.u.dev_data.magn_sensitivity  = (uint16_t)(sensor_data.sensor_magn.sensitivity);
-        dev_data_wrapper.u.dev_data.period      = report_period;
+        dev_data_wrapper.u.dev_data.temperature       = (int16_t)(sensor_data.sensor_tempnhumi.temperature);
-
+        dev_data_wrapper.u.dev_data.humidity          = (int16_t)(sensor_data.sensor_tempnhumi.humidity);
+        dev_data_wrapper.u.dev_data.magn_x            = (int16_t)(sensor_data.sensor_magn.magn_x);
+        dev_data_wrapper.u.dev_data.magn_y            = (int16_t)(sensor_data.sensor_magn.magn_y);
+        dev_data_wrapper.u.dev_data.magn_z            = (int16_t)(sensor_data.sensor_magn.magn_z);
+        dev_data_wrapper.u.dev_data.pressure          = (uint32_t)(sensor_data.sensor_press.pressure);
+        dev_data_wrapper.u.dev_data.period            = report_period;
+        // send data to the server (via gateway)
         tos_lora_module_send(dev_data_wrapper.u.serialize, sizeof(dev_data_t));
         tos_task_delay(report_period * 1000);
     }

board/NUCLEO_STM32L073RZ/IAR/hello_world/TencentOS_tiny.ewp

@@ -66,7 +66,7 @@
                 </option>
                 <option>
                     <name>OGLastSavedByProductVersion</name>
-                    <state>8.32.1.18618</state>
+                    <state>8.30.1.17146</state>
                 </option>
                 <option>
                     <name>GeneralEnableMisra</name>
@@ -215,17 +215,12 @@
             <name>ICCARM</name>
             <archiveVersion>2</archiveVersion>
             <data>
-                <version>35</version>
+                <version>34</version>
                 <wantNonLocal>1</wantNonLocal>
                 <debug>1</debug>
-                <option>
-                    <name>CCOptimizationNoSizeConstraints</name>
-                    <state>0</state>
-                </option>
                 <option>
                     <name>CCDefines</name>
-                    <state>USE_HAL_DRIVER</state>
+                    <state></state>
-                    <state>STM32L073xx</state>
                 </option>
                 <option>
                     <name>CCPreprocFile</name>
@@ -237,7 +232,7 @@
                 </option>
                 <option>
                     <name>CCPreprocLine</name>
-                    <state>0</state>
+                    <state>1</state>
                 </option>
                 <option>
                     <name>CCListCFile</name>
@@ -286,7 +281,7 @@
                 <option>
                     <name>CCAllowList</name>
                     <version>1</version>
-                    <state>11111110</state>
+                    <state>00000000</state>
                 </option>
                 <option>
                     <name>CCDebugInfo</name>
@@ -334,7 +329,7 @@
                 </option>
                 <option>
                     <name>OutputFile</name>
-                    <state>$FILE_BNAME$.o</state>
+                    <state></state>
                 </option>
                 <option>
                     <name>CCLibConfigHeader</name>
@@ -350,18 +345,7 @@
                 </option>
                 <option>
                     <name>CCIncludePath2</name>
-                    <state>$PROJ_DIR$\..\..\BSP\Inc</state>
+                    <state></state>
-                    <state>$PROJ_DIR$\..\..\..\..\platform\vendor_bsp\st\STM32L0xx_HAL_Driver\Inc</state>
-                    <state>$PROJ_DIR$\..\..\..\..\platform\vendor_bsp\st\STM32L0xx_HAL_Driver\Inc\Legacy</state>
-                    <state>$PROJ_DIR$\..\..\..\..\platform\vendor_bsp\st\CMSIS\Device\ST\STM32L0xx\Include</state>
-                    <state>$PROJ_DIR$\..\..\..\..\platform\vendor_bsp\st\CMSIS\Include</state>
-                    <state>$PROJ_DIR$\..\..\..\..\arch\arm\arm-v7m\common\include</state>
-                    <state>$PROJ_DIR$\..\..\..\..\arch\arm\arm-v7m\cortex-m0+\iccarm</state>
-                    <state>$PROJ_DIR$\..\..\..\..\kernel\core\include</state>
-                    <state>$PROJ_DIR$\..\..\..\..\kernel\pm\include</state>
-                    <state>$PROJ_DIR$\..\..\..\..\osal\cmsis_os</state>
-                    <state>$PROJ_DIR$\..\..\TOS_CONFIG</state>
-                    <state>$PROJ_DIR$\..\..\..\..\examples\helloworld</state>
                 </option>
                 <option>
                     <name>CCStdIncCheck</name>
@@ -377,16 +361,16 @@
                 </option>
                 <option>
                     <name>CCOptLevel</name>
-                    <state>3</state>
+                    <state>1</state>
                 </option>
                 <option>
                     <name>CCOptStrategy</name>
                     <version>0</version>
-                    <state>1</state>
+                    <state>0</state>
                 </option>
                 <option>
                     <name>CCOptLevelSlave</name>
-                    <state>3</state>
+                    <state>1</state>
                 </option>
                 <option>
                     <name>CompilerMisraRules98</name>
@@ -424,7 +408,7 @@
                 </option>
                 <option>
                     <name>IccStaticDestr</name>
-                    <state>0</state>
+                    <state>1</state>
                 </option>
                 <option>
                     <name>IccCppInlineSemantics</name>
@@ -438,6 +422,10 @@
                     <name>IccFloatSemantics</name>
                     <state>0</state>
                 </option>
+                <option>
+                    <name>CCOptimizationNoSizeConstraints</name>
+                    <state>0</state>
+                </option>
                 <option>
                     <name>CCNoLiteralPool</name>
                     <state>0</state>
@@ -445,7 +433,7 @@
                 <option>
                     <name>CCOptStrategySlave</name>
                     <version>0</version>
-                    <state>1</state>
+                    <state>0</state>
                 </option>
                 <option>
                     <name>CCGuardCalls</name>
@@ -475,10 +463,6 @@
                     <name>IccRTTI2</name>
                     <state>0</state>
                 </option>
-                <option>
-                    <name>OICompilerExtraOption</name>
-                    <state>1</state>
-                </option>
             </data>
         </settings>
         <settings>
@@ -699,7 +683,7 @@
             <name>ILINK</name>
             <archiveVersion>0</archiveVersion>
             <data>
-                <version>22</version>
+                <version>21</version>
                 <wantNonLocal>1</wantNonLocal>
                 <debug>1</debug>
                 <option>
@@ -776,11 +760,11 @@
                 </option>
                 <option>
                     <name>IlinkIcfOverride</name>
-                    <state>1</state>
+                    <state>0</state>
                 </option>
                 <option>
                     <name>IlinkIcfFile</name>
-                    <state>$PROJ_DIR$/stm32l073xx_flash.icf</state>
+                    <state>lnk0t.icf</state>
                 </option>
                 <option>
                     <name>IlinkIcfFileSlave</name>
@@ -840,7 +824,7 @@
                 </option>
                 <option>
                     <name>IlinkProgramEntryLabel</name>
-                    <state>__iar_program_start</state>
+                    <state></state>
                 </option>
                 <option>
                     <name>DoFill</name>
@@ -1015,10 +999,6 @@
                     <name>IlinkTrustzoneImportLibraryOut</name>
                     <state>###Unitialized###</state>
                 </option>
-                <option>
-                    <name>OILinkExtraOption</name>
-                    <state>1</state>
-                </option>
             </data>
         </settings>
         <settings>

board/NUCLEO_STM32L073RZ/IAR/lorawan/TencentOS_tiny.eww

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<workspace>
+  <project>
+    <path>$WS_DIR$\TencentOS_tiny.ewp</path>
+  </project>
+  <batchBuild/>
+</workspace>

board/NUCLEO_STM32L073RZ/IAR/lorawan/startup_stm32l073xx.s

@@ -0,0 +1,346 @@
+;/******************** (C) COPYRIGHT 2016 STMicroelectronics ********************
+;* File Name          : startup_stm32l073xx.s
+;* Author             : MCD Application Team
+;* Description        : STM32L073xx Ultra Low Power Devices vector 
+;*                      This module performs:
+;*                      - Set the initial SP
+;*                      - Set the initial PC == _iar_program_start,
+;*                      - Set the vector table entries with the exceptions ISR 
+;*                        address.
+;*                      - Configure the system clock
+;*                      - Branches to main in the C library (which eventually
+;*                        calls main()).
+;*                      After Reset the Cortex-M0+ processor is in Thread mode,
+;*                      priority is Privileged, and the Stack is set to Main.
+;********************************************************************************
+;* 
+;* Redistribution and use in source and binary forms, with or without modification,
+;* are permitted provided that the following conditions are met:
+;*   1. Redistributions of source code must retain the above copyright notice,
+;*      this list of conditions and the following disclaimer.
+;*   2. Redistributions in binary form must reproduce the above copyright notice,
+;*      this list of conditions and the following disclaimer in the documentation
+;*      and/or other materials provided with the distribution.
+;*   3. Neither the name of STMicroelectronics nor the names of its contributors
+;*      may be used to endorse or promote products derived from this software
+;*      without specific prior written permission.
+;*
+;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;*
+;*******************************************************************************/
+;
+;
+; The modules in this file are included in the libraries, and may be replaced
+; by any user-defined modules that define the PUBLIC symbol _program_start or
+; a user defined start symbol.
+; To override the cstartup defined in the library, simply add your modified
+; version to the workbench project.
+;
+; The vector table is normally located at address 0.
+; When debugging in RAM, it can be located in RAM, aligned to at least 2^6.
+; The name "__vector_table" has special meaning for C-SPY:
+; it is where the SP start value is found, and the NVIC vector
+; table register (VTOR) is initialized to this address if != 0.
+;
+; Cortex-M version
+;
+
+        MODULE  ?cstartup
+
+        ;; Forward declaration of sections.
+        SECTION CSTACK:DATA:NOROOT(3)
+
+        SECTION .intvec:CODE:NOROOT(2)
+
+        EXTERN  __iar_program_start
+        EXTERN  SystemInit        
+        PUBLIC  __vector_table
+
+        DATA
+__vector_table
+        DCD     sfe(CSTACK)
+        DCD     Reset_Handler             ; Reset Handler
+
+        DCD     NMI_Handler               ; NMI Handler
+        DCD     HardFault_Handler         ; Hard Fault Handler
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     SVC_Handler               ; SVCall Handler
+        DCD     0                         ; Reserved
+        DCD     0                         ; Reserved
+        DCD     PendSV_Handler            ; PendSV Handler
+        DCD     SysTick_Handler           ; SysTick Handler
+
+         ; External Interrupts
+                DCD     WWDG_IRQHandler                ; Window Watchdog
+                DCD     PVD_IRQHandler                 ; PVD through EXTI Line detect
+                DCD     RTC_IRQHandler                 ; RTC through EXTI Line
+                DCD     FLASH_IRQHandler               ; FLASH
+                DCD     RCC_CRS_IRQHandler             ; RCC_CRS
+                DCD     EXTI0_1_IRQHandler             ; EXTI Line 0 and 1
+                DCD     EXTI2_3_IRQHandler             ; EXTI Line 2 and 3
+                DCD     EXTI4_15_IRQHandler            ; EXTI Line 4 to 15
+                DCD     TSC_IRQHandler                 ; TSC
+                DCD     DMA1_Channel1_IRQHandler       ; DMA1 Channel 1
+                DCD     DMA1_Channel2_3_IRQHandler     ; DMA1 Channel 2 and Channel 3
+                DCD     DMA1_Channel4_5_6_7_IRQHandler ; DMA1 Channel 4, Channel 5, Channel 6 and Channel 7
+                DCD     ADC1_COMP_IRQHandler           ; ADC1, COMP1 and COMP2 
+                DCD     LPTIM1_IRQHandler              ; LPTIM1
+                DCD     USART4_5_IRQHandler            ; USART4 and USART5
+                DCD     TIM2_IRQHandler                ; TIM2
+                DCD     TIM3_IRQHandler                ; TIM3
+                DCD     TIM6_DAC_IRQHandler            ; TIM6 and DAC
+                DCD     TIM7_IRQHandler                ; TIM7
+                DCD     0                              ; Reserved
+                DCD     TIM21_IRQHandler               ; TIM21
+                DCD     I2C3_IRQHandler                ; I2C3
+                DCD     TIM22_IRQHandler               ; TIM22
+                DCD     I2C1_IRQHandler                ; I2C1
+                DCD     I2C2_IRQHandler                ; I2C2
+                DCD     SPI1_IRQHandler                ; SPI1
+                DCD     SPI2_IRQHandler                ; SPI2
+                DCD     USART1_IRQHandler              ; USART1
+                DCD     USART2_IRQHandler              ; USART2
+                DCD     RNG_LPUART1_IRQHandler         ; RNG and LPUART1
+                DCD     LCD_IRQHandler                 ; LCD
+                DCD     USB_IRQHandler                 ; USB
+                
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; Default interrupt handlers.
+;;
+        THUMB
+        PUBWEAK Reset_Handler
+        SECTION .text:CODE:NOROOT:REORDER(2)
+Reset_Handler
+        LDR     R0, =SystemInit
+        BLX     R0
+        LDR     R0, =__iar_program_start
+        BX      R0
+        
+        PUBWEAK NMI_Handler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+NMI_Handler
+        B NMI_Handler
+        
+        
+        PUBWEAK HardFault_Handler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+HardFault_Handler
+        B HardFault_Handler
+       
+        
+        PUBWEAK SVC_Handler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+SVC_Handler
+        B SVC_Handler
+        
+        
+        PUBWEAK PendSV_Handler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+PendSV_Handler  
+        B PendSV_Handler
+        
+        
+        PUBWEAK SysTick_Handler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+SysTick_Handler
+        B SysTick_Handler
+        
+        
+        PUBWEAK WWDG_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+WWDG_IRQHandler
+        B WWDG_IRQHandler
+        
+                
+        PUBWEAK PVD_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+PVD_IRQHandler
+        B PVD_IRQHandler
+        
+                
+        PUBWEAK RTC_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+RTC_IRQHandler
+        B RTC_IRQHandler
+        
+                
+        PUBWEAK FLASH_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+FLASH_IRQHandler
+        B FLASH_IRQHandler
+        
+                
+        PUBWEAK RCC_CRS_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+RCC_CRS_IRQHandler
+        B RCC_CRS_IRQHandler
+        
+                
+        PUBWEAK EXTI0_1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+EXTI0_1_IRQHandler
+        B EXTI0_1_IRQHandler
+        
+                
+        PUBWEAK EXTI2_3_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+EXTI2_3_IRQHandler
+        B EXTI2_3_IRQHandler
+        
+                
+        PUBWEAK EXTI4_15_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+EXTI4_15_IRQHandler
+        B EXTI4_15_IRQHandler
+        
+                
+        PUBWEAK TSC_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TSC_IRQHandler
+        B TSC_IRQHandler
+        
+                
+        PUBWEAK DMA1_Channel1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+DMA1_Channel1_IRQHandler
+        B DMA1_Channel1_IRQHandler
+        
+                
+        PUBWEAK DMA1_Channel2_3_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+DMA1_Channel2_3_IRQHandler
+        B DMA1_Channel2_3_IRQHandler
+        
+                
+        PUBWEAK DMA1_Channel4_5_6_7_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+DMA1_Channel4_5_6_7_IRQHandler
+        B DMA1_Channel4_5_6_7_IRQHandler
+        
+                
+        PUBWEAK ADC1_COMP_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+ADC1_COMP_IRQHandler
+        B ADC1_COMP_IRQHandler
+        
+                 
+        PUBWEAK LPTIM1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+LPTIM1_IRQHandler
+        B LPTIM1_IRQHandler
+        
+                 
+        PUBWEAK USART4_5_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+USART4_5_IRQHandler
+        B USART4_5_IRQHandler
+        
+                
+        PUBWEAK TIM2_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TIM2_IRQHandler
+        B TIM2_IRQHandler
+        
+                
+        PUBWEAK TIM3_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TIM3_IRQHandler
+        B TIM3_IRQHandler
+        
+                
+        PUBWEAK TIM6_DAC_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TIM6_DAC_IRQHandler
+        B TIM6_DAC_IRQHandler
+                
+        PUBWEAK TIM7_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TIM7_IRQHandler
+        B TIM7_IRQHandler
+        
+        PUBWEAK TIM21_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TIM21_IRQHandler
+        B TIM21_IRQHandler
+
+        PUBWEAK I2C3_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+I2C3_IRQHandler
+        B I2C3_IRQHandler
+
+        PUBWEAK TIM22_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+TIM22_IRQHandler
+        B TIM22_IRQHandler
+        
+
+        PUBWEAK I2C1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+I2C1_IRQHandler
+        B I2C1_IRQHandler
+        
+                
+        PUBWEAK I2C2_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+I2C2_IRQHandler
+        B I2C2_IRQHandler
+        
+                
+        PUBWEAK SPI1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+SPI1_IRQHandler
+        B SPI1_IRQHandler
+        
+                
+        PUBWEAK SPI2_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+SPI2_IRQHandler
+        B SPI2_IRQHandler
+        
+                
+        PUBWEAK USART1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+USART1_IRQHandler
+        B USART1_IRQHandler
+        
+                
+        PUBWEAK USART2_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+USART2_IRQHandler
+        B USART2_IRQHandler
+        
+
+        PUBWEAK RNG_LPUART1_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+RNG_LPUART1_IRQHandler
+        B RNG_LPUART1_IRQHandler
+        
+        
+        PUBWEAK LCD_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+LCD_IRQHandler
+        B LCD_IRQHandler
+
+        PUBWEAK USB_IRQHandler
+        SECTION .text:CODE:NOROOT:REORDER(1)
+USB_IRQHandler
+        B USB_IRQHandler
+        
+        END
+;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE*****

devices/rhf76_lora/RHF76.h

@@ -70,7 +70,7 @@ typedef enum lora_key_type {
 #define RHF76_ATCMD_SET_BAND_CN470              "AT+DR=CN470\r\n"
 #define RHF76_ATCMD_REPLY_BAND_CN470            "+DR: CN470"
 
-#define RHF76_ATCMD_SET_CHANNEL                 "at+ch=num,0-7\r\n"
+#define RHF76_ATCMD_SET_CHANNEL                 "at+ch=num,80-87\r\n"
 #define RHF76_ATCMD_SET_ADR_OFF                 "at+adr=off\r\n"
 #define RHF76_ATCMD_JOIN                        "AT+join\r\n"