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Line 41... Line 41...
41 
/* USER CODE BEGIN PM */
 41 
/* USER CODE BEGIN PM */
42 
 
 42 
 
43 
/* USER CODE END PM */
 43 
/* USER CODE END PM */
44 
 
 44 
 
45 
/* Private variables ---------------------------------------------------------*/
 45 
/* Private variables ---------------------------------------------------------*/
- 
 
 46 
I2C_HandleTypeDef hi2c1;
46 
I2C_HandleTypeDef hi2c2;
 47 
I2C_HandleTypeDef hi2c2;
47 
 
 48 
 
48 
IWDG_HandleTypeDef hiwdg;
 49 
IWDG_HandleTypeDef hiwdg;
49 
 
 50 
 
50 
RTC_HandleTypeDef hrtc;
 51 
RTC_HandleTypeDef hrtc;
Line 65... Line 66...
65 
static int8_t
 66 
static int8_t
66 
user_i2c_write (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,
 67 
user_i2c_write (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,
67 
                uint32_t len)
 68 
                uint32_t len)
68 
{
 69 
{
69 
  HAL_StatusTypeDef st = HAL_I2C_Mem_Write (&hi2c2, i2c_addr << 1, reg_addr, 1,
 70 
  HAL_StatusTypeDef st = HAL_I2C_Mem_Write (&hi2c2, i2c_addr << 1, reg_addr, 1,
70 
                                            reg_data, len, 10000);
 71 
                                            reg_data, len, 1000);
71 
 
 72 
 
72 
  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;
 73 
  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;
73 
 
 74 
 
74 
}
 75 
}
75 
static int8_t
 76 
static int8_t
76 
user_i2c_read (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,
 77 
user_i2c_read (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,
77 
               uint32_t len)
 78 
               uint32_t len)
78 
{
 79 
{
79 
  HAL_StatusTypeDef st = HAL_I2C_Mem_Read (&hi2c2, i2c_addr << 1, reg_addr, 1,
 80 
  HAL_StatusTypeDef st = HAL_I2C_Mem_Read (&hi2c2, i2c_addr << 1, reg_addr, 1,
80 
                                           reg_data, len, 10000);
 81 
                                           reg_data, len, 1000);
81 
 
 82 
 
82 
  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;
 83 
  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;
83 
 
 84 
 
84 
}
 85 
}
- 
 
 86 
// the second I2C bus is I2C1, this is used for the external I2C thermometer to avoid problems with noise pickup .
- 
 
 87 
static int8_t
- 
 
 88 
user_i2c2_write (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,
- 
 
 89 
                uint32_t len)
- 
 
 90 
{
- 
 
 91 
  HAL_StatusTypeDef st = HAL_I2C_Mem_Write (&hi2c1, i2c_addr << 1, reg_addr, 1,
- 
 
 92 
                                            reg_data, len, 1000);
- 
 
 93 
 
- 
 
 94 
  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;
- 
 
 95 
 
- 
 
 96 
}
- 
 
 97 
static int8_t
- 
 
 98 
user_i2c2_read (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,
- 
 
 99 
               uint32_t len)
- 
 
 100 
{
- 
 
 101 
  HAL_StatusTypeDef st = HAL_I2C_Mem_Read (&hi2c1, i2c_addr << 1, reg_addr, 1,
- 
 
 102 
                                           reg_data, len, 1000);
- 
 
 103 
 
- 
 
 104 
  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;
- 
 
 105 
 
- 
 
 106 
}
- 
 
 107 
 
- 
 
 108 
static void reset_i2c2(void)
- 
 
 109 
{
- 
 
 110 
 
- 
 
 111 
 
- 
 
 112 
 
- 
 
 113 
 
- 
 
 114 
 
- 
 
 115 
}
85 
 
 116 
 
86 
static void
 117 
static void
87 
user_delay_ms (uint32_t ms, void *handle)
 118 
user_delay_ms (uint32_t ms, void *handle)
88 
{
 119 
{
89 
  HAL_Delay (ms);
 120 
  HAL_Delay (ms);
Line 102... Line 133...
102 
  };
 133 
  };
103 
 
 134 
 
104 
struct bmp280_dev bmp2 =
 135 
struct bmp280_dev bmp2 =
105 
  {
 136 
  {
106 
  .intf = BMP280_I2C_INTF,
 137 
  .intf = BMP280_I2C_INTF,
107 
  .read = user_i2c_read,
 138 
  .read = user_i2c2_read,
108 
  .write = user_i2c_write,
 139 
  .write = user_i2c2_write,
109 
  .delay_ms = user_delay_ms,
 140 
  .delay_ms = user_delay_ms,
110 
 
 141 
 
111 
  /* Update interface pointer with the structure that contains both device address and file descriptor */
 142 
  /* Update interface pointer with the structure that contains both device address and file descriptor */
112 
  .dev_id = BMP280_I2C_ADDR_SEC
 143 
  .dev_id = BMP280_I2C_ADDR_PRIM
113 
  };
 144 
  };
114 
 
 145 
 
115 
int8_t rslt;
 146 
int8_t rslt;
116 
 
 147 
 
117 
 
 148 
 
Line 128... Line 159...
128 
static void MX_USART1_UART_Init(void);
 159 
static void MX_USART1_UART_Init(void);
129 
static void MX_TIM3_Init(void);
 160 
static void MX_TIM3_Init(void);
130 
static void MX_I2C2_Init(void);
 161 
static void MX_I2C2_Init(void);
131 
static void MX_RTC_Init(void);
 162 
static void MX_RTC_Init(void);
132 
static void MX_IWDG_Init(void);
 163 
static void MX_IWDG_Init(void);
- 
 
 164 
static void MX_I2C1_Init(void);
133 
/* USER CODE BEGIN PFP */
 165 
/* USER CODE BEGIN PFP */
134 
 
 166 
 
135 
/* USER CODE END PFP */
 167 
/* USER CODE END PFP */
136 
 
 168 
 
137 
/* Private user code ---------------------------------------------------------*/
 169 
/* Private user code ---------------------------------------------------------*/
Line 170... Line 202...
170 
  if (rslt != BMP280_OK)
 202 
  if (rslt != BMP280_OK)
171 
    return rslt;
 203 
    return rslt;
172 
 
 204 
 
173 
}
 205 
}
174 
 
 206 
 
- 
 
 207 
static void reset_I2C1(void)
- 
 
 208 
{
- 
 
 209 
  HAL_GPIO_WritePin ( GPIOB, GPIO_PIN_9, GPIO_PIN_SET);
- 
 
 210 
  HAL_GPIO_WritePin ( GPIOB, GPIO_PIN_8, GPIO_PIN_SET);
- 
 
 211 
  __HAL_AFIO_REMAP_I2C1_DISABLE();
- 
 
 212 
  int i;
- 
 
 213 
  // clock 18 times
- 
 
 214 
  for (i=0;i<18;++i)
- 
 
 215 
    {
- 
 
 216 
     HAL_Delay (1);
- 
 
 217 
     HAL_GPIO_WritePin ( GPIOB, GPIO_PIN_9, GPIO_PIN_SET);
- 
 
 218 
     HAL_Delay (1);
- 
 
 219 
     HAL_GPIO_WritePin ( GPIOB, GPIO_PIN_9, GPIO_PIN_SET);
- 
 
 220 
    }
- 
 
 221 
   __HAL_AFIO_REMAP_I2C1_ENABLE();
- 
 
 222 
 
- 
 
 223 
}
175 
 
 224 
 
176 
 
 225 
 
177 
 
 226 
 
178 
 
 227 
 
179 
/* USER CODE END 0 */
 228 
/* USER CODE END 0 */
Line 212... Line 261...
212 
  MX_TIM3_Init();
 261 
  MX_TIM3_Init();
213 
  MX_I2C2_Init();
 262 
  MX_I2C2_Init();
214 
  MX_RTC_Init();
 263 
  MX_RTC_Init();
215 
  MX_USB_DEVICE_Init();
 264 
  MX_USB_DEVICE_Init();
216 
  MX_IWDG_Init();
 265 
  MX_IWDG_Init();
- 
 
 266 
  MX_I2C1_Init();
217 
  /* USER CODE BEGIN 2 */
 267 
  /* USER CODE BEGIN 2 */
218 
 
 268 
 
219 
  HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_RESET);
 269 
  HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_RESET);
220 
  HAL_Delay (1000);
 270 
  HAL_Delay (1000);
221 
  HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_SET);
 271 
  HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_SET);
222 
 
 - 
 
223 
  /* setup the USART control blocks */
 272 
  /* setup the USART control blocks */
224 
 
 273 
 
225 
#if defined SERIAL_UART1
 274 
#if defined SERIAL_UART1
226 
  init_usart_ctl (&uc1, &huart1);
 275 
  init_usart_ctl (&uc1, &huart1);
227 
 
 276 
 
Line 310... Line 359...
310 
    Error_Handler();
 359 
    Error_Handler();
311 
  }
 360 
  }
312 
}
 361 
}
313 
 
 362 
 
314 
/**
 363 
/**
- 
 
 364 
  * @brief I2C1 Initialization Function
- 
 
 365 
  * @param None
- 
 
 366 
  * @retval None
- 
 
 367 
  */
- 
 
 368 
static void MX_I2C1_Init(void)
- 
 
 369 
{
- 
 
 370 
 
- 
 
 371 
  /* USER CODE BEGIN I2C1_Init 0 */
- 
 
 372 
 
- 
 
 373 
  /* USER CODE END I2C1_Init 0 */
- 
 
 374 
 
- 
 
 375 
  /* USER CODE BEGIN I2C1_Init 1 */
- 
 
 376 
 
- 
 
 377 
  /* USER CODE END I2C1_Init 1 */
- 
 
 378 
  hi2c1.Instance = I2C1;
- 
 
 379 
  hi2c1.Init.ClockSpeed = 100000;
- 
 
 380 
  hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
- 
 
 381 
  hi2c1.Init.OwnAddress1 = 0;
- 
 
 382 
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
- 
 
 383 
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
- 
 
 384 
  hi2c1.Init.OwnAddress2 = 0;
- 
 
 385 
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
- 
 
 386 
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
- 
 
 387 
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
- 
 
 388 
  {
- 
 
 389 
    Error_Handler();
- 
 
 390 
  }
- 
 
 391 
  /* USER CODE BEGIN I2C1_Init 2 */
- 
 
 392 
 
- 
 
 393 
  /* USER CODE END I2C1_Init 2 */
- 
 
 394 
 
- 
 
 395 
}
- 
 
 396 
 
- 
 
 397 
/**
315 
  * @brief I2C2 Initialization Function
 398 
  * @brief I2C2 Initialization Function
316 
  * @param None
 399 
  * @param None
317 
  * @retval None
 400 
  * @retval None
318 
  */
 401 
  */
319 
static void MX_I2C2_Init(void)
 402 
static void MX_I2C2_Init(void)