sensors.c 12.3 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453
#include "sensors.h"

sensor light_sensor         = {LIGHT_ADDR,          "Light sensor",                     "illumination",         "lux"};
sensor ultrasound_sensor    = {DISTANCE_ADDR,       "Ultrasound sensor",                "distance",             "cm"};
sensor pressure_sensor      = {PRESSURE_ADDR,       "Pressure sensor",                  "pressure",             "hPa"};
sensor humidity_temp_sensor = {HUMIDITY_TEMP_ADDR,  "Temperature and humidity sensor",  "temperature,humidity", "ºC,RH"};
sensor sound_sensor         = {SOUND_ADDR,          "Sound sensor",                     "sound",                "mV"};
sensor battery              = {BATTERY_ADDR,        "Battery Level",                    "power",                "mV"};

sensor* sensors[TOTAL_SENSORS+1] = {&light_sensor,&ultrasound_sensor,&pressure_sensor,&humidity_temp_sensor,&sound_sensor,&battery};

void wakeup_sensors(uint8_t logic_address)
{
	/* Aquí habría que implementar un control 
	 * inteligente de la alimentación de los 
	 * sensores, levantándolos y durmiéndolos 
	 * cuando tocara
	 */

	 // X 	X 	X	PA7 PA6 PA5 PA4 PA3
	 // b7 	b6 	b5 	b4 	b3 	b2 	b1 	b0

	printf("GRAB A BRUSH AND PUT A LITTLE MAKE-UP\r\n");
	GPIO_InitTypeDef  GPIO_InitStructure;
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

	if(logic_address & 0x1)
	{
		printf("Woken Pin 3\r\n");
		GPIO_SetBits(GPIOA,GPIO_Pin_3);
	}
	else
	{
		GPIO_ResetBits(GPIOA,GPIO_Pin_3);
	}
	if(logic_address & 0x2)
	{
		printf("Woken Pin 4\r\n");
		GPIO_SetBits(GPIOA,GPIO_Pin_4);		
	}
	else
	{
		GPIO_ResetBits(GPIOA,GPIO_Pin_4);
	}
	if(logic_address & 0x4)
	{
		printf("Woken Pin 5\r\n");
		GPIO_SetBits(GPIOA,GPIO_Pin_5);
	}
	else
	{
		GPIO_ResetBits(GPIOA,GPIO_Pin_5);
	}
	if(logic_address & 0x8)
	{
		printf("Woken Pin 6\r\n");
		GPIO_SetBits(GPIOA,GPIO_Pin_6);
	}
	else
	{
		GPIO_ResetBits(GPIOA,GPIO_Pin_6);
	}
	if(logic_address & 0x10)
	{
		printf("Woken Pin 7\r\n");
		GPIO_SetBits(GPIOA,GPIO_Pin_7);
	}
	else
	{
		GPIO_ResetBits(GPIOA,GPIO_Pin_7);
	}
}

uint32_t get_light_data(void)
{
	uint32_t data = 0;

	data = get_light_ch1();
	printf("LIGHT: Got ch1\r\n");
	data = data << 16;
	data = data | get_light_ch0();
	printf("LIGHT: Got ch0\r\n");
	return data;
}
uint16_t get_light_ch0(void)
{
	uint16_t data = 0;

	I2C_start(I2C1,LIGHT_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0x0C);
	printf("LIGHT: Sent fetch command for CH1\r\n");

	I2C_restart(I2C1, LIGHT_ADDR << 1, I2C_Direction_Receiver);
 	data = I2C_read_ack(I2C1);
 	printf("LIGHT: Got low byte for CH1\r\n");
 	data = data | (I2C_read_nack(I2C1) << 8);
 	printf("LIGHT: Got high byte for CH1\r\n");
 	I2C_stop(I2C1);	
 	
 	return data;
}
uint16_t get_light_ch1(void)
{
	uint16_t data = 0;

	I2C_start(I2C1,LIGHT_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0x0E);
	printf("LIGHT: Sent fetch command for CH1\r\n");

	I2C_restart(I2C1, LIGHT_ADDR << 1, I2C_Direction_Receiver);
 	data = I2C_read_ack(I2C1);
 	printf("LIGHT: Got low byte for CH1\r\n");
 	data = data | (I2C_read_nack(I2C1) << 8);
 	printf("LIGHT: Got high byte for CH1\r\n");
 	I2C_stop(I2C1);

 	return data;
}

uint16_t get_distance_data(void)
{
	init_ultrasound();
	printf("DISTANCE: Initialized\r\n");

	uint16_t data;
	I2C_start(I2C1,DISTANCE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0x02);

	I2C_restart(I2C1, DISTANCE_ADDR << 1, I2C_Direction_Receiver);
 	data = I2C_read_ack(I2C1);
 	printf("DISTANCE: Got high byte\r\n");
 	data = data << 8;
	data = data | I2C_read_nack(I2C1);
	printf("DISTANCE: Got low byte\r\n");
 	I2C_stop(I2C1);
 	return data;
}

void init_ultrasound(void)
{
	I2C_start(I2C1,DISTANCE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0x00);
	I2C_write(I2C1, 0x50);
	I2C_stop(I2C1);

	chThdSleepMilliseconds(70);
}

uint16_t get_pressure_data(void)
{
	uint16_t data;
	init_pressure();
	printf("PRESSURE: Initialized\r\n");
	I2C_start(I2C1,DISTANCE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xF6);
	
	I2C_restart(I2C1, DISTANCE_ADDR << 1, I2C_Direction_Receiver);
 	data = I2C_read_ack(I2C1);
 	printf("PRESSURE: Got high byte\r\n");
 	data = data << 8;
 	data = data | I2C_read_nack(I2C1);
 	printf("PRESSURE: Got low byte\r\n");
	return data;
}

uint16_t get_pressure_temperature_data(void)
{
	uint16_t data;
	init_pressure_temperature();
	printf("PRESSURE: Initialized temperature\r\n");
	I2C_start(I2C1,DISTANCE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xF6);

	I2C_restart(I2C1, DISTANCE_ADDR << 1, I2C_Direction_Receiver);
 	data = I2C_read_ack(I2C1);
 	printf("PRESSURE: Got temperature high byte\r\n");
 	data = data << 8;
 	data = data | I2C_read_nack(I2C1);
 	printf("PRESSURE: Got temperature low byte\r\n");
	return data;
}

bmp085_callibration get_pressure_callibration_data(void)
{
	printf("PRESSURE: Fetching callibration data\r\n");
	bmp085_callibration calib_data;

	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xAA);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.AC1 = (I2C_read_ack(I2C1) << 8);
 	calib_data.AC1 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xAC);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.AC2 = (I2C_read_ack(I2C1) << 8);
 	calib_data.AC2 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xAE);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.AC3 = (I2C_read_ack(I2C1) << 8);
 	calib_data.AC3 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xB0);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.AC4 = (I2C_read_ack(I2C1) << 8);
 	calib_data.AC4 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xB2);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.AC5 = (I2C_read_ack(I2C1) << 8);
 	calib_data.AC5 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xB4);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.AC6 = (I2C_read_ack(I2C1) << 8);
 	calib_data.AC6 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xB6);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.B1 = (I2C_read_ack(I2C1) << 8);
 	calib_data.B1 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xB8);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.B2 = (I2C_read_ack(I2C1) << 8);
 	calib_data.B2 |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xBA);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.MB = (I2C_read_ack(I2C1) << 8);
 	calib_data.MB |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xBC);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.MC = (I2C_read_ack(I2C1) << 8);
 	calib_data.MC |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xBE);
	I2C_restart(I2C1, PRESSURE_ADDR << 1, I2C_Direction_Receiver);
 	calib_data.MD = (I2C_read_ack(I2C1) << 8);
 	calib_data.MD |= I2C_read_nack(I2C1);
 	I2C_stop(I2C1);

 	printf("PRESSURE: Got callibration data\r\n");
 	return calib_data;
}
char* callibration_pressure_data_csv(bmp085_callibration parameters)
{
	char *str = chHeapAlloc(NULL,sizeof(char)*(11*11-1));
	memset(str,0x00,sizeof(char)*(11*11));
	sprintf(str + strlen(str),"%d,",parameters.AC1);
	sprintf(str + strlen(str),"%d,",parameters.AC2);
	sprintf(str + strlen(str),"%d,",parameters.AC3);
	sprintf(str + strlen(str),"%d,",parameters.AC4);
	sprintf(str + strlen(str),"%d,",parameters.AC5);
	sprintf(str + strlen(str),"%d,",parameters.AC6);
	sprintf(str + strlen(str),"%d,",parameters.B1);
	sprintf(str + strlen(str),"%d,",parameters.B2);
	sprintf(str + strlen(str),"%d,",parameters.MB);
	sprintf(str + strlen(str),"%d,",parameters.MC);
	sprintf(str + strlen(str),"%d",parameters.MD);
	return str;
}

void init_pressure(void)
{
	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xF4);
	I2C_write(I2C1, 0x34);
	I2C_stop(I2C1);
	
  	chThdSleepMilliseconds(5);
}

void init_pressure_temperature(void)
{
	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Transmitter);
	I2C_write(I2C1, 0xF4);
	I2C_write(I2C1, 0x2E);
	I2C_stop(I2C1);
	
  	chThdSleepMilliseconds(5);
}

void init_humidity_temp(void)
{
	printf("HUMIDITY: Initializing sensor\r\n");
	I2C_start(I2C1,HUMIDITY_TEMP_ADDR << 1, I2C_Direction_Transmitter);
	I2C_stop(I2C1);
	//Reset I2C?
}
uint16_t get_humidity_data(void)
{
	init_humidity_temp();
	printf("HUMIDITY_TEMP: Initialized humidity\r\n");
	uint16_t data = 0;
	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Receiver);
	data = I2C_read_ack(I2C1) & 0x3F;
	printf("HUMIDITY_TEMP: Got humidity high byte\r\n");
	data = data << 8;
	data |= I2C_read_nack(I2C1);
	printf("HUMIDITY_TEMP: Got humidity low byte\r\n");
	I2C_stop(I2C1);
	return data;
}
uint16_t get_temperature_data(void)
{
	init_humidity_temp();
	printf("HUMIDITY_TEMP: Initialized temperature\r\n");
	uint16_t data = 0;
	I2C_start(I2C1,PRESSURE_ADDR << 1, I2C_Direction_Receiver);
	I2C_read_ack(I2C1);
	printf("HUMIDITY_TEMP: Discarded first humidity byte\r\n");
	I2C_read_ack(I2C1);
	printf("HUMIDITY_TEMP: Discarded second humidity byte\r\n");
	data = I2C_read_ack(I2C1);
	printf("HUMIDITY_TEMP: Got temperature high byte\r\n");
	data = data << 8;
	data |= I2C_read_nack(I2C1) & 0xFC ;
	printf("HUMIDITY_TEMP: Got temperature low byte\r\n");
	data = data >> 2;
	I2C_stop(I2C1);
	return data;
}

char* light_value(uint32_t light)
{
	char *value = chHeapAlloc(NULL,10 + 1);
	sprintf(value,"%d",(unsigned int)light);
	return value;
}
char* distance_value(uint16_t distance)
{
	char *value = chHeapAlloc(NULL,5 + 1);
	sprintf(value,"%d",distance);
	return value;
}
char* pressure_value(uint16_t pressure, uint16_t temperature)
{
	char *value = chHeapAlloc(NULL,11 + 1);
	sprintf(value,"%d,%d",pressure,temperature);
	return value;
}
char* temp_humidity_value(uint16_t temp, uint16_t humidity)
{
	char *value = chHeapAlloc(NULL,11 + 1);
	sprintf(value,"%d,%d",temp,humidity);
	return value;
}

void init_sound(void)
{
	//DARLE CHICHA AL INTERRUPTOR I2C
	adc_sound_init();
}
uint32_t get_sound_data(void)
{
	init_sound();
	return adc_sound_process();
}
char* sound_value(uint32_t sound)
{
	char *value = chHeapAlloc(NULL,11 + 1);
	sprintf(value,"%4u",(unsigned int)sound);
	return value;
}

void collectData(char* valueSensors[], uint8_t* sensors){
	uint8_t i;
	for(i=0;i<strlen((char*)sensors);i++)
	{

		if(valueSensors[i]!=NULL)
		{
			printf("Freeing memory from previous entry\r\n");
			chHeapFree(valueSensors[i]);
		}

		if(sensors[i]==LIGHT_ADDR)
		{
			printf("Fetching data from light sensor\r\n");
			valueSensors[i]=light_value(get_light_data());
			continue;
		}
		else if(sensors[i]==DISTANCE_ADDR)
		{
			printf("Fetching data from distance sensor\r\n");
			valueSensors[i]=distance_value(get_distance_data());
			continue;
		}
		else if(sensors[i]==SOUND_ADDR)
		{
			printf("Fetching data from sound sensor\r\n");
			valueSensors[i]=sound_value(get_sound_data());
			continue;
		}
		else if(sensors[i]==PRESSURE_ADDR)
		{
			printf("Fetching data from pressure sensor\r\n");
			valueSensors[i]=pressure_value(get_pressure_data(), get_pressure_temperature_data());
			continue;
		}
		else if(sensors[i]==HUMIDITY_TEMP_ADDR)
		{
			printf("Fetching data from humidity and temperature sensor\r\n");
			valueSensors[i]=temp_humidity_value(get_temperature_data(),get_humidity_data());
			continue;
		}
	}
}

void init_battery(void)
{
	adc_batt_init();
}

uint32_t get_battery_data(void)
{
	init_battery();
	return adc_batt_process();
}

char* battery_value(uint32_t battery)
{
	char *value = chHeapAlloc(NULL,11 + 1);
	sprintf(value,"%4u",(unsigned int)battery);
	return value;
}