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2 mjames 1
/* USER CODE BEGIN Header */
2
/**
3
 ******************************************************************************
4
 * @file           : main.c
5
 * @brief          : Main program body
6
 ******************************************************************************
7
 * @attention
8
 *
9
 * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
10
 * All rights reserved.</center></h2>
11
 *
12
 * This software component is licensed by ST under BSD 3-Clause license,
13
 * the "License"; You may not use this file except in compliance with the
14
 * License. You may obtain a copy of the License at:
15
 *                        opensource.org/licenses/BSD-3-Clause
16
 *
17
 ******************************************************************************
18
 */
19
/* USER CODE END Header */
20
/* Includes ------------------------------------------------------------------*/
21
#include "main.h"
22
 
23
/* Private includes ----------------------------------------------------------*/
24
/* USER CODE BEGIN Includes */
25
#include "libSerial/serial.h"
11 mjames 26
#include "libBMP280/bmp280.h"
6 mjames 27
#include "display.h"
2 mjames 28
/* USER CODE END Includes */
29
 
30
/* Private typedef -----------------------------------------------------------*/
31
/* USER CODE BEGIN PTD */
32
 
33
/* USER CODE END PTD */
34
 
35
/* Private define ------------------------------------------------------------*/
36
/* USER CODE BEGIN PD */
37
/* USER CODE END PD */
38
 
39
/* Private macro -------------------------------------------------------------*/
40
/* USER CODE BEGIN PM */
41
 
42
/* USER CODE END PM */
43
 
44
/* Private variables ---------------------------------------------------------*/
45
CAN_HandleTypeDef hcan;
46
 
11 mjames 47
I2C_HandleTypeDef hi2c2;
48
 
2 mjames 49
SPI_HandleTypeDef hspi1;
50
 
9 mjames 51
TIM_HandleTypeDef htim3;
2 mjames 52
TIM_HandleTypeDef htim4;
53
 
54
UART_HandleTypeDef huart1;
55
 
56
/* USER CODE BEGIN PV */
11 mjames 57
typedef struct
58
{
59
  uint8_t dev_addr;
60
} interface_t;
2 mjames 61
 
11 mjames 62
static int8_t
63
user_i2c_write (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data, uint32_t len)
64
{
65
    HAL_StatusTypeDef st = HAL_I2C_Mem_Write(&hi2c2, i2c_addr<<1, reg_addr, 1, reg_data, len, 10000);
66
 
67
  return st != HAL_OK ?  BMP280_E_COMM_FAIL: BMP280_OK;
68
 
69
}
70
static int8_t
71
user_i2c_read (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data, uint32_t len)
72
{
73
  HAL_StatusTypeDef st = HAL_I2C_Mem_Read(&hi2c2, i2c_addr<<1, reg_addr, 1, reg_data, len, 10000);
74
 
75
  return st != HAL_OK ?  BMP280_E_COMM_FAIL: BMP280_OK;
76
 
77
}
78
 
79
static void
80
user_delay_ms (uint32_t ms, void *handle)
81
{
82
  HAL_Delay (ms);
83
 
84
}
85
 
86
 
87
 
88
 
89
struct bmp280_dev bmp =
90
  {
91
 
92
  .intf = BMP280_I2C_INTF, .read = user_i2c_read, .write = user_i2c_write,
93
      .delay_ms = user_delay_ms,
94
 
95
      /* Update interface pointer with the structure that contains both device address and file descriptor */
96
     .dev_id =  BMP280_I2C_ADDR_PRIM };
97
 
98
int8_t rslt;
99
struct bmp280_config conf;
100
 
101
 
2 mjames 102
/* USER CODE END PV */
103
 
104
/* Private function prototypes -----------------------------------------------*/
9 mjames 105
void SystemClock_Config(void);
106
static void MX_GPIO_Init(void);
107
static void MX_CAN_Init(void);
108
static void MX_SPI1_Init(void);
109
static void MX_TIM4_Init(void);
110
static void MX_USART1_UART_Init(void);
111
static void MX_TIM3_Init(void);
11 mjames 112
static void MX_I2C2_Init(void);
2 mjames 113
/* USER CODE BEGIN PFP */
114
 
115
/* USER CODE END PFP */
116
 
117
/* Private user code ---------------------------------------------------------*/
118
/* USER CODE BEGIN 0 */
119
 
120
/* USER CODE END 0 */
121
 
122
/**
9 mjames 123
  * @brief  The application entry point.
124
  * @retval int
125
  */
126
int main(void)
2 mjames 127
{
128
  /* USER CODE BEGIN 1 */
129
 
130
  /* USER CODE END 1 */
131
 
132
  /* MCU Configuration--------------------------------------------------------*/
133
 
134
  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
9 mjames 135
  HAL_Init();
2 mjames 136
 
137
  /* USER CODE BEGIN Init */
138
 
139
  /* USER CODE END Init */
140
 
141
  /* Configure the system clock */
9 mjames 142
  SystemClock_Config();
2 mjames 143
 
144
  /* USER CODE BEGIN SysInit */
145
 
146
  /* USER CODE END SysInit */
147
 
148
  /* Initialize all configured peripherals */
9 mjames 149
  MX_GPIO_Init();
150
  MX_CAN_Init();
151
  MX_SPI1_Init();
152
  MX_TIM4_Init();
153
  MX_USART1_UART_Init();
154
  MX_TIM3_Init();
11 mjames 155
  MX_I2C2_Init();
2 mjames 156
  /* USER CODE BEGIN 2 */
157
  __HAL_RCC_USART1_CLK_ENABLE();
158
  /* setup the USART control blocks */
11 mjames 159
  init_usart_ctl (&uc1, &huart1);
2 mjames 160
 
161
  EnableSerialRxInterrupt (&uc1);
162
 
11 mjames 163
 
164
  /* Initialize the bmp280 */
165
  rslt = bmp280_init(&bmp);
166
//  print_rslt(" bmp280_init status", rslt);
167
 
168
  /* Always read the current settings before writing, especially when
169
   * all the configuration is not modified
170
   */
171
  rslt = bmp280_get_config(&conf, &bmp);
172
 // print_rslt(" bmp280_get_config status", rslt);
173
 
174
  /* configuring the temperature oversampling, filter coefficient and output data rate */
175
  /* Overwrite the desired settings */
176
  conf.filter = BMP280_FILTER_COEFF_2;
177
 
178
  /* Temperature oversampling set at 4x */
179
  conf.os_temp = BMP280_OS_4X;
180
 
181
  /* Pressure over sampling none (disabling pressure measurement) */
182
  conf.os_pres = BMP280_OS_4X;
183
 
184
  /* Setting the output data rate as 1HZ(1000ms) */
185
  conf.odr = BMP280_ODR_1000_MS;
186
  rslt = bmp280_set_config(&conf, &bmp);
187
  //print_rslt(" bmp280_set_config status", rslt);
188
 
189
  /* Always set the power mode after setting the configuration */
190
  rslt = bmp280_set_power_mode(BMP280_NORMAL_MODE, &bmp);
191
  //print_rslt(" bmp280_set_power_mode status", rslt);
192
 
193
 
194
 
6 mjames 195
  cc_init ();
2 mjames 196
  /* USER CODE END 2 */
197
 
198
  /* Infinite loop */
199
  /* USER CODE BEGIN WHILE */
200
  while (1)
201
    {
11 mjames 202
      cc_run (&bmp);
2 mjames 203
 
9 mjames 204
      HAL_Delay (50);
5 mjames 205
 
9 mjames 206
    /* USER CODE END WHILE */
5 mjames 207
 
9 mjames 208
    /* USER CODE BEGIN 3 */
2 mjames 209
    }
210
  /* USER CODE END 3 */
211
}
212
 
213
/**
9 mjames 214
  * @brief System Clock Configuration
215
  * @retval None
216
  */
217
void SystemClock_Config(void)
2 mjames 218
{
9 mjames 219
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
220
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
2 mjames 221
 
222
  /** Initializes the RCC Oscillators according to the specified parameters
9 mjames 223
  * in the RCC_OscInitTypeDef structure.
224
  */
2 mjames 225
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
226
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
227
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
228
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
229
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
230
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
231
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL8;
9 mjames 232
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
233
  {
234
    Error_Handler();
235
  }
2 mjames 236
  /** Initializes the CPU, AHB and APB buses clocks
9 mjames 237
  */
238
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
239
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
2 mjames 240
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
241
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
242
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
243
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
244
 
9 mjames 245
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
246
  {
247
    Error_Handler();
248
  }
2 mjames 249
}
250
 
251
/**
9 mjames 252
  * @brief CAN Initialization Function
253
  * @param None
254
  * @retval None
255
  */
256
static void MX_CAN_Init(void)
2 mjames 257
{
258
 
259
  /* USER CODE BEGIN CAN_Init 0 */
260
 
261
  /* USER CODE END CAN_Init 0 */
262
 
263
  /* USER CODE BEGIN CAN_Init 1 */
264
 
265
  /* USER CODE END CAN_Init 1 */
266
  hcan.Instance = CAN1;
267
  hcan.Init.Prescaler = 16;
268
  hcan.Init.Mode = CAN_MODE_NORMAL;
269
  hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
270
  hcan.Init.TimeSeg1 = CAN_BS1_1TQ;
271
  hcan.Init.TimeSeg2 = CAN_BS2_1TQ;
272
  hcan.Init.TimeTriggeredMode = DISABLE;
273
  hcan.Init.AutoBusOff = DISABLE;
274
  hcan.Init.AutoWakeUp = DISABLE;
275
  hcan.Init.AutoRetransmission = DISABLE;
276
  hcan.Init.ReceiveFifoLocked = DISABLE;
277
  hcan.Init.TransmitFifoPriority = DISABLE;
9 mjames 278
  if (HAL_CAN_Init(&hcan) != HAL_OK)
279
  {
280
    Error_Handler();
281
  }
2 mjames 282
  /* USER CODE BEGIN CAN_Init 2 */
283
 
284
  /* USER CODE END CAN_Init 2 */
285
 
286
}
287
 
288
/**
11 mjames 289
  * @brief I2C2 Initialization Function
290
  * @param None
291
  * @retval None
292
  */
293
static void MX_I2C2_Init(void)
294
{
295
 
296
  /* USER CODE BEGIN I2C2_Init 0 */
297
 
298
  /* USER CODE END I2C2_Init 0 */
299
 
300
  /* USER CODE BEGIN I2C2_Init 1 */
301
 
302
  /* USER CODE END I2C2_Init 1 */
303
  hi2c2.Instance = I2C2;
304
  hi2c2.Init.ClockSpeed = 100000;
305
  hi2c2.Init.DutyCycle = I2C_DUTYCYCLE_2;
306
  hi2c2.Init.OwnAddress1 = 0;
307
  hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
308
  hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
309
  hi2c2.Init.OwnAddress2 = 0;
310
  hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
311
  hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
312
  if (HAL_I2C_Init(&hi2c2) != HAL_OK)
313
  {
314
    Error_Handler();
315
  }
316
  /* USER CODE BEGIN I2C2_Init 2 */
317
 
318
  /* USER CODE END I2C2_Init 2 */
319
 
320
}
321
 
322
/**
9 mjames 323
  * @brief SPI1 Initialization Function
324
  * @param None
325
  * @retval None
326
  */
327
static void MX_SPI1_Init(void)
2 mjames 328
{
329
 
330
  /* USER CODE BEGIN SPI1_Init 0 */
331
 
332
  /* USER CODE END SPI1_Init 0 */
333
 
334
  /* USER CODE BEGIN SPI1_Init 1 */
335
 
336
  /* USER CODE END SPI1_Init 1 */
337
  /* SPI1 parameter configuration*/
338
  hspi1.Instance = SPI1;
339
  hspi1.Init.Mode = SPI_MODE_MASTER;
340
  hspi1.Init.Direction = SPI_DIRECTION_1LINE;
341
  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
5 mjames 342
  hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
343
  hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
2 mjames 344
  hspi1.Init.NSS = SPI_NSS_SOFT;
345
  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
346
  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
347
  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
348
  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
349
  hspi1.Init.CRCPolynomial = 10;
9 mjames 350
  if (HAL_SPI_Init(&hspi1) != HAL_OK)
351
  {
352
    Error_Handler();
353
  }
2 mjames 354
  /* USER CODE BEGIN SPI1_Init 2 */
355
 
356
  /* USER CODE END SPI1_Init 2 */
357
 
358
}
359
 
360
/**
9 mjames 361
  * @brief TIM3 Initialization Function
362
  * @param None
363
  * @retval None
364
  */
365
static void MX_TIM3_Init(void)
2 mjames 366
{
367
 
9 mjames 368
  /* USER CODE BEGIN TIM3_Init 0 */
369
 
370
  /* USER CODE END TIM3_Init 0 */
371
 
372
  TIM_MasterConfigTypeDef sMasterConfig = {0};
373
  TIM_OC_InitTypeDef sConfigOC = {0};
374
 
375
  /* USER CODE BEGIN TIM3_Init 1 */
376
 
377
  /* USER CODE END TIM3_Init 1 */
378
  htim3.Instance = TIM3;
379
  htim3.Init.Prescaler = 640;
380
  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
381
  htim3.Init.Period = 10000;
382
  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
383
  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
384
  if (HAL_TIM_OC_Init(&htim3) != HAL_OK)
385
  {
386
    Error_Handler();
387
  }
388
  if (HAL_TIM_OnePulse_Init(&htim3, TIM_OPMODE_SINGLE) != HAL_OK)
389
  {
390
    Error_Handler();
391
  }
392
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_ENABLE;
393
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
394
  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
395
  {
396
    Error_Handler();
397
  }
398
  sConfigOC.OCMode = TIM_OCMODE_TIMING;
399
  sConfigOC.Pulse = 9999;
400
  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
401
  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
402
  if (HAL_TIM_OC_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
403
  {
404
    Error_Handler();
405
  }
406
  /* USER CODE BEGIN TIM3_Init 2 */
407
 
408
  /* USER CODE END TIM3_Init 2 */
409
 
410
}
411
 
412
/**
413
  * @brief TIM4 Initialization Function
414
  * @param None
415
  * @retval None
416
  */
417
static void MX_TIM4_Init(void)
418
{
419
 
2 mjames 420
  /* USER CODE BEGIN TIM4_Init 0 */
421
 
422
  /* USER CODE END TIM4_Init 0 */
423
 
9 mjames 424
  TIM_Encoder_InitTypeDef sConfig = {0};
425
  TIM_MasterConfigTypeDef sMasterConfig = {0};
2 mjames 426
 
427
  /* USER CODE BEGIN TIM4_Init 1 */
428
 
429
  /* USER CODE END TIM4_Init 1 */
430
  htim4.Instance = TIM4;
431
  htim4.Init.Prescaler = 0;
432
  htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
433
  htim4.Init.Period = 65535;
434
  htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
435
  htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
436
  sConfig.EncoderMode = TIM_ENCODERMODE_TI12;
437
  sConfig.IC1Polarity = TIM_ICPOLARITY_RISING;
438
  sConfig.IC1Selection = TIM_ICSELECTION_DIRECTTI;
439
  sConfig.IC1Prescaler = TIM_ICPSC_DIV1;
440
  sConfig.IC1Filter = 8;
441
  sConfig.IC2Polarity = TIM_ICPOLARITY_RISING;
442
  sConfig.IC2Selection = TIM_ICSELECTION_DIRECTTI;
443
  sConfig.IC2Prescaler = TIM_ICPSC_DIV1;
444
  sConfig.IC2Filter = 8;
9 mjames 445
  if (HAL_TIM_Encoder_Init(&htim4, &sConfig) != HAL_OK)
446
  {
447
    Error_Handler();
448
  }
2 mjames 449
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
450
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
9 mjames 451
  if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
452
  {
453
    Error_Handler();
454
  }
2 mjames 455
  /* USER CODE BEGIN TIM4_Init 2 */
456
 
457
  /* USER CODE END TIM4_Init 2 */
458
 
459
}
460
 
461
/**
9 mjames 462
  * @brief USART1 Initialization Function
463
  * @param None
464
  * @retval None
465
  */
466
static void MX_USART1_UART_Init(void)
2 mjames 467
{
468
 
469
  /* USER CODE BEGIN USART1_Init 0 */
470
 
471
  /* USER CODE END USART1_Init 0 */
472
 
473
  /* USER CODE BEGIN USART1_Init 1 */
474
 
475
  /* USER CODE END USART1_Init 1 */
476
  huart1.Instance = USART1;
477
  huart1.Init.BaudRate = 115200;
478
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
479
  huart1.Init.StopBits = UART_STOPBITS_1;
480
  huart1.Init.Parity = UART_PARITY_NONE;
481
  huart1.Init.Mode = UART_MODE_TX_RX;
482
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
483
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
9 mjames 484
  if (HAL_UART_Init(&huart1) != HAL_OK)
485
  {
486
    Error_Handler();
487
  }
2 mjames 488
  /* USER CODE BEGIN USART1_Init 2 */
489
 
490
  /* USER CODE END USART1_Init 2 */
491
 
492
}
493
 
494
/**
9 mjames 495
  * @brief GPIO Initialization Function
496
  * @param None
497
  * @retval None
498
  */
499
static void MX_GPIO_Init(void)
2 mjames 500
{
9 mjames 501
  GPIO_InitTypeDef GPIO_InitStruct = {0};
2 mjames 502
 
503
  /* GPIO Ports Clock Enable */
5 mjames 504
  __HAL_RCC_GPIOC_CLK_ENABLE();
2 mjames 505
  __HAL_RCC_GPIOD_CLK_ENABLE();
506
  __HAL_RCC_GPIOA_CLK_ENABLE();
507
  __HAL_RCC_GPIOB_CLK_ENABLE();
508
 
509
  /*Configure GPIO pin Output Level */
9 mjames 510
  HAL_GPIO_WritePin(GPIOC, SPI_CD_Pin|SPI_RESET_Pin, GPIO_PIN_RESET);
2 mjames 511
 
512
  /*Configure GPIO pin Output Level */
9 mjames 513
  HAL_GPIO_WritePin(SPI_NSS1_GPIO_Port, SPI_NSS1_Pin, GPIO_PIN_RESET);
2 mjames 514
 
5 mjames 515
  /*Configure GPIO pins : SPI_CD_Pin SPI_RESET_Pin */
9 mjames 516
  GPIO_InitStruct.Pin = SPI_CD_Pin|SPI_RESET_Pin;
2 mjames 517
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
518
  GPIO_InitStruct.Pull = GPIO_NOPULL;
519
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
9 mjames 520
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
2 mjames 521
 
5 mjames 522
  /*Configure GPIO pin : SPI_NSS1_Pin */
523
  GPIO_InitStruct.Pin = SPI_NSS1_Pin;
2 mjames 524
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
525
  GPIO_InitStruct.Pull = GPIO_NOPULL;
526
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
9 mjames 527
  HAL_GPIO_Init(SPI_NSS1_GPIO_Port, &GPIO_InitStruct);
2 mjames 528
 
529
}
530
 
531
/* USER CODE BEGIN 4 */
532
 
533
/* USER CODE END 4 */
534
 
535
/**
9 mjames 536
  * @brief  This function is executed in case of error occurrence.
537
  * @retval None
538
  */
539
void Error_Handler(void)
2 mjames 540
{
541
  /* USER CODE BEGIN Error_Handler_Debug */
542
  /* User can add his own implementation to report the HAL error return state */
543
 
544
  /* USER CODE END Error_Handler_Debug */
545
}
546
 
547
#ifdef  USE_FULL_ASSERT
548
/**
549
  * @brief  Reports the name of the source file and the source line number
550
  *         where the assert_param error has occurred.
551
  * @param  file: pointer to the source file name
552
  * @param  line: assert_param error line source number
553
  * @retval None
554
  */
555
void assert_failed(uint8_t *file, uint32_t line)
556
{
557
  /* USER CODE BEGIN 6 */
558
  /* User can add his own implementation to report the file name and line number,
559
     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
560
  /* USER CODE END 6 */
561
}
562
#endif /* USE_FULL_ASSERT */
563
 
564
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/