LibDriver BH1750FVI
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driver_bh1750fvi.c
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1
36
37#include "driver_bh1750fvi.h"
38
42#define CHIP_NAME "ROHM BH1750FVI"
43#define MANUFACTURER_NAME "ROHM"
44#define SUPPLY_VOLTAGE_MIN 2.4f
45#define SUPPLY_VOLTAGE_MAX 3.6f
46#define MAX_CURRENT 0.19f
47#define TEMPERATURE_MIN -40.0f
48#define TEMPERATURE_MAX 85.0f
49#define DRIVER_VERSION 1000
50
54#define BH1750FVI_COMMAND_POWER_DOWN 0x00
55#define BH1750FVI_COMMAND_POWER_ON 0x01
56#define BH1750FVI_COMMAND_RESET 0x07
57#define BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE 0x10
58#define BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE2 0x11
59#define BH1750FVI_COMMAND_CONTINUOUSLY_L_RESOLUTION_MODE 0x13
60#define BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE 0x20
61#define BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE2 0x21
62#define BH1750FVI_COMMAND_ONE_TIME_L_RESOLUTION_MODE 0x23
63#define BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_HIGH 0x40
64#define BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_LOW 0x60
65
76static uint8_t a_bh1750fvi_iic_read(bh1750fvi_handle_t *handle, uint8_t *data, uint16_t len)
77{
78 if (handle->iic_read_cmd(handle->iic_addr, data, len) != 0) /* read the register */
79 {
80 return 1; /* return error */
81 }
82 else
83 {
84 return 0; /* success return 0 */
85 }
86}
87
98static uint8_t a_bh1750fvi_iic_write(bh1750fvi_handle_t *handle, uint8_t *data, uint16_t len)
99{
100 if (handle->iic_write_cmd(handle->iic_addr, data, len) != 0) /* write the register */
101 {
102 return 1; /* return error */
103 }
104 else
105 {
106 return 0; /* success return 0 */
107 }
108}
109
119uint8_t bh1750fvi_set_addr_pin(bh1750fvi_handle_t *handle, bh1750fvi_address_t addr_pin)
120{
121 if (handle == NULL) /* check handle */
122 {
123 return 2; /* return error */
124 }
125
126 handle->iic_addr = addr_pin; /* set iic addr */
127
128 return 0; /* success return 0 */
129}
130
140uint8_t bh1750fvi_get_addr_pin(bh1750fvi_handle_t *handle, bh1750fvi_address_t *addr_pin)
141{
142 if (handle == NULL) /* check handle */
143 {
144 return 2; /* return error */
145 }
146
147 *addr_pin = (bh1750fvi_address_t)(handle->iic_addr); /*get iic address */
148
149 return 0; /* success return 0 */
150}
151
162uint8_t bh1750fvi_set_mode(bh1750fvi_handle_t *handle, bh1750fvi_mode_t mode)
163{
164 if (handle == NULL) /* check handle */
165 {
166 return 2; /* return error */
167 }
168 if (handle->inited != 1) /* check handle initialization */
169 {
170 return 3; /* return error */
171 }
172
173 handle->mode = (uint8_t)(mode); /* set the mode */
174
175 return 0; /* success return 0 */
176}
177
188uint8_t bh1750fvi_get_mode(bh1750fvi_handle_t *handle, bh1750fvi_mode_t *mode)
189{
190 if (handle == NULL) /* check handle */
191 {
192 return 2; /* return error */
193 }
194 if (handle->inited != 1) /* check handle initialization */
195 {
196 return 3; /* return error */
197 }
198
199 *mode = (bh1750fvi_mode_t)(handle->mode); /* get the mode */
200
201 return 0; /* success return 0 */
202}
203
216uint8_t bh1750fvi_init(bh1750fvi_handle_t *handle)
217{
218 uint8_t res;
219 uint8_t prev;
220
221 if (handle == NULL) /* check handle */
222 {
223 return 2; /* return error */
224 }
225 if (handle->debug_print == NULL) /* check debug_print */
226 {
227 return 3; /* return error */
228 }
229 if (handle->iic_init == NULL) /* check iic_init */
230 {
231 handle->debug_print("bh1750fvi: iic_init is null.\n"); /* iic_init is null */
232
233 return 3; /* return error */
234 }
235 if (handle->iic_deinit == NULL) /* check iic_deinit */
236 {
237 handle->debug_print("bh1750fvi: iic_deinit is null.\n"); /* iic_deinit is null */
238
239 return 3; /* return error */
240 }
241 if (handle->iic_read_cmd == NULL) /* check iic_read_cmd */
242 {
243 handle->debug_print("bh1750fvi: iic_read_cmd is null.\n"); /* iic_read_cmd is null */
244
245 return 3; /* return error */
246 }
247 if (handle->iic_write_cmd == NULL) /* check iic_write_cmd */
248 {
249 handle->debug_print("bh1750fvi: iic_write_cmd is null.\n"); /* iic_write_cmd is null */
250
251 return 3; /* return error */
252 }
253 if (handle->delay_ms == NULL) /* check delay_ms */
254 {
255 handle->debug_print("bh1750fvi: delay_ms is null.\n"); /* delay_ms is null */
256
257 return 3; /* return error */
258 }
259
260 if (handle->iic_init() != 0) /* iic init */
261 {
262 handle->debug_print("bh1750fvi: iic init failed.\n"); /* iic init failed */
263
264 return 1; /* return error */
265 }
266
267 prev = BH1750FVI_COMMAND_POWER_ON; /* set the command */
268 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
269 if (res != 0) /* check error */
270 {
271 handle->debug_print("bh1750fvi: power on failed.\n"); /* power on failed */
272 (void)handle->iic_deinit(); /* iic deinit */
273
274 return 4; /* return error */
275 }
276 handle->delay_ms(5); /* delay 5ms */
277 prev = BH1750FVI_COMMAND_RESET; /* set the command */
278 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
279 if (res != 0) /* check error */
280 {
281 handle->debug_print("bh1750fvi: reset failed.\n"); /* reset failed */
282 (void)handle->iic_deinit(); /* iic deinit */
283
284 return 5; /* return error */
285 }
286 handle->delay_ms(5); /* delay 5ms */
287 prev = BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_HIGH | ((69 >> 5) & 0x07); /* set the command */
288 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
289 if (res != 0) /* check error */
290 {
291 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
292
293 return 1; /* return error */
294 }
295 prev = BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_LOW | ((69 >> 0) & 0x1F); /* set the command */
296 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
297 if (res != 0) /* check error */
298 {
299 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
300
301 return 1; /* return error */
302 }
303 handle->delay_ms(5); /* delay 5ms */
304 handle->mode = BH1750FVI_MODE_HIGH_RESOLUTION_MODE; /* high resolution mode */
305 handle->t = 69; /* set default 69 */
306 handle->inited = 1; /* flag finish initialization */
307
308 return 0; /* success return 0 */
309}
310
322uint8_t bh1750fvi_deinit(bh1750fvi_handle_t *handle)
323{
324 uint8_t res;
325 uint8_t prev;
326
327 if (handle == NULL) /* check handle */
328 {
329 return 2; /* return error */
330 }
331 if (handle->inited != 1) /* check handle initialization */
332 {
333 return 3; /* return error */
334 }
335
336 prev = BH1750FVI_COMMAND_POWER_DOWN; /* set the command */
337 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
338 if (res != 0) /* check error */
339 {
340 handle->debug_print("bh1750fvi: power down failed.\n"); /* power down failed */
341
342 return 4; /* return error */
343 }
344 res = handle->iic_deinit(); /* iic deinit */
345 if (res != 0) /* check error */
346 {
347 handle->debug_print("bh1750fvi: iic deinit failed.\n"); /* iic deinit failed */
348
349 return 1; /* return error */
350 }
351 handle->inited = 0; /* flag closed */
352
353 return 0; /* success return 0 */
354}
355
366uint8_t bh1750fvi_power_down(bh1750fvi_handle_t *handle)
367{
368 uint8_t res;
369 uint8_t prev;
370
371 if (handle == NULL) /* check handle */
372 {
373 return 2; /* return error */
374 }
375 if (handle->inited != 1) /* check handle initialization */
376 {
377 return 3; /* return error */
378 }
379
380 prev = BH1750FVI_COMMAND_POWER_DOWN; /* set the command */
381 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
382 if (res != 0) /* check error */
383 {
384 handle->debug_print("bh1750fvi: power down failed.\n"); /* power down failed */
385
386 return 1; /* return error */
387 }
388
389 return 0; /* success return 0 */
390}
391
402uint8_t bh1750fvi_power_on(bh1750fvi_handle_t *handle)
403{
404 uint8_t res;
405 uint8_t prev;
406
407 if (handle == NULL) /* check handle */
408 {
409 return 2; /* return error */
410 }
411 if (handle->inited != 1) /* check handle initialization */
412 {
413 return 3; /* return error */
414 }
415
416 prev = BH1750FVI_COMMAND_POWER_ON; /* set the command */
417 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
418 if (res != 0) /* check error */
419 {
420 handle->debug_print("bh1750fvi: power on failed.\n"); /* power on failed */
421
422 return 1; /* return error */
423 }
424
425 return 0; /* success return 0 */
426}
427
438uint8_t bh1750fvi_reset(bh1750fvi_handle_t *handle)
439{
440 uint8_t res;
441 uint8_t prev;
442
443 if (handle == NULL) /* check handle */
444 {
445 return 2; /* return error */
446 }
447 if (handle->inited != 1) /* check handle initialization */
448 {
449 return 3; /* return error */
450 }
451
452 prev = BH1750FVI_COMMAND_RESET; /* set the command */
453 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
454 if (res != 0) /* check error */
455 {
456 handle->debug_print("bh1750fvi: reset failed.\n"); /* reset failed */
457
458 return 1; /* return error */
459 }
460
461 return 0; /* success return 0 */
462}
463
476uint8_t bh1750fvi_set_measurement_time(bh1750fvi_handle_t *handle, uint8_t t)
477{
478 uint8_t res;
479 uint8_t prev;
480
481 if (handle == NULL) /* check handle */
482 {
483 return 2; /* return error */
484 }
485 if (handle->inited != 1) /* check handle initialization */
486 {
487 return 3; /* return error */
488 }
489 if ((t < 31) || (t > 254)) /* check t */
490 {
491 handle->debug_print("bh1750fvi: t < 31 or t > 254.\n"); /* t < 31 or t > 254 */
492
493 return 4; /* return error */
494 }
495
496 prev = BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_HIGH | ((t >> 5) & 0x07); /* set the command */
497 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
498 if (res != 0) /* check error */
499 {
500 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
501
502 return 1; /* return error */
503 }
504 prev = BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_LOW | ((t >> 0) & 0x1F); /* set the command */
505 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
506 if (res != 0) /* check error */
507 {
508 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
509
510 return 1; /* return error */
511 }
512 handle->t = t; /* save the time */
513
514 return 0; /* success return 0 */
515}
516
530uint8_t bh1750fvi_single_read(bh1750fvi_handle_t *handle, uint16_t *raw, float *lux)
531{
532 uint8_t res;
533 uint8_t prev;
534 uint8_t buf[2];
535
536 if (handle == NULL) /* check handle */
537 {
538 return 2; /* return error */
539 }
540 if (handle->inited != 1) /* check handle initialization */
541 {
542 return 3; /* return error */
543 }
544
545 if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE) /* high resolution mode */
546 {
547 prev = BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE; /* high resolution mode command */
548 }
549 else if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE2) /* high resolution mode2 */
550 {
551 prev = BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE2; /* high resolution mode2 command */
552 }
553 else if (handle->mode == BH1750FVI_MODE_LOW_RESOLUTION_MODE) /* low resolution mode */
554 {
555 prev = BH1750FVI_COMMAND_ONE_TIME_L_RESOLUTION_MODE; /* low resolution mode command */
556 }
557 else
558 {
559 handle->debug_print("bh1750fvi: mode is invalid.\n"); /* mode is invalid */
560
561 return 4; /* return error */
562 }
563
564 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
565 if (res != 0) /* check error */
566 {
567 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
568
569 return 1; /* return error */
570 }
571 if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE) /* high resolution mode */
572 {
573 handle->delay_ms((uint32_t)(180.0f * (float)(handle->t) / 69.0f)); /* delay the max time */
574 }
575 else if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE2) /* high resolution mode2 */
576 {
577 handle->delay_ms((uint32_t)(180.0f * (float)(handle->t) / 69.0f)); /* delay the max time */
578 }
579 else /* low resolution mode */
580 {
581 handle->delay_ms((uint32_t)(24.0f * (float)(handle->t) / 69.0f)); /* delay the max time */
582 }
583 res = a_bh1750fvi_iic_read(handle, buf, 2); /* read data */
584 if (res != 0) /* check error */
585 {
586 handle->debug_print("bh1750fvi: read data failed.\n"); /* read data failed */
587
588 return 1; /* return error */
589 }
590 *raw = (((uint16_t)buf[0]) << 8) | buf[1]; /* get the raw data */
591 if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE) /* high resolution mode */
592 {
593 *lux = (float)(*raw) / 1.2f * (69.0f / ((float)(handle->t))); /* convert */
594 }
595 else if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE2) /* high resolution mode2 */
596 {
597 *lux = (float)(*raw) / 1.2f * (69.0f / ((float)(handle->t))) / 2.0f; /* convert */
598 }
599 else /* low resolution mode */
600 {
601 *lux = (float)(*raw) / 1.2f * (69.0f / ((float)(handle->t))); /* convert */
602 }
603
604 return 0; /* success return 0 */
605}
606
620uint8_t bh1750fvi_continuous_read(bh1750fvi_handle_t *handle, uint16_t *raw, float *lux)
621{
622 uint8_t res;
623 uint8_t buf[2];
624
625 if (handle == NULL) /* check handle */
626 {
627 return 2; /* return error */
628 }
629 if (handle->inited != 1) /* check handle initialization */
630 {
631 return 3; /* return error */
632 }
633
634 res = a_bh1750fvi_iic_read(handle, buf, 2); /* read data */
635 if (res != 0) /* check error */
636 {
637 handle->debug_print("bh1750fvi: read data failed.\n"); /* read data failed */
638
639 return 1; /* return error */
640 }
641 *raw = (((uint16_t)buf[0]) << 8) | buf[1]; /* get the raw data */
642 if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE) /* high resolution mode */
643 {
644 *lux = (float)(*raw) / 1.2f * (69.0f / ((float)(handle->t))); /* convert */
645 }
646 else if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE2) /* high resolution mode2 */
647 {
648 *lux = (float)(*raw) / 1.2f * (69.0f / ((float)(handle->t))) / 2.0f; /* convert */
649 }
650 else /* low resolution mode */
651 {
652 *lux = (float)(*raw) / 1.2f * (69.0f / ((float)(handle->t))); /* convert */
653 }
654
655 return 0; /* success return 0 */
656}
657
669uint8_t bh1750fvi_start_continuous_read(bh1750fvi_handle_t *handle)
670{
671 uint8_t res;
672 uint8_t prev;
673
674 if (handle == NULL) /* check handle */
675 {
676 return 2; /* return error */
677 }
678 if (handle->inited != 1) /* check handle initialization */
679 {
680 return 3; /* return error */
681 }
682
683 if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE) /* high resolution mode */
684 {
685 prev = BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE; /* high resolution mode command */
686 }
687 else if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE2) /* high resolution mode2 */
688 {
689 prev = BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE2; /* high resolution mode2 command */
690 }
691 else if (handle->mode == BH1750FVI_MODE_LOW_RESOLUTION_MODE) /* low resolution mode */
692 {
693 prev = BH1750FVI_COMMAND_CONTINUOUSLY_L_RESOLUTION_MODE; /* low resolution mode command */
694 }
695 else
696 {
697 handle->debug_print("bh1750fvi: mode is invalid.\n"); /* mode is invalid */
698
699 return 4; /* return error */
700 }
701
702 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
703 if (res != 0) /* check error */
704 {
705 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
706
707 return 1; /* return error */
708 }
709
710 return 0; /* success return 0 */
711}
712
724uint8_t bh1750fvi_stop_continuous_read(bh1750fvi_handle_t *handle)
725{
726 uint8_t res;
727 uint8_t prev;
728
729 if (handle == NULL) /* check handle */
730 {
731 return 2; /* return error */
732 }
733 if (handle->inited != 1) /* check handle initialization */
734 {
735 return 3; /* return error */
736 }
737
738 if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE) /* high resolution mode */
739 {
740 prev = BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE; /* high resolution mode command */
741 }
742 else if (handle->mode == BH1750FVI_MODE_HIGH_RESOLUTION_MODE2) /* high resolution mode2 */
743 {
744 prev = BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE2; /* high resolution mode2 command */
745 }
746 else if (handle->mode == BH1750FVI_MODE_LOW_RESOLUTION_MODE) /* low resolution mode */
747 {
748 prev = BH1750FVI_COMMAND_ONE_TIME_L_RESOLUTION_MODE; /* low resolution mode command */
749 }
750 else
751 {
752 handle->debug_print("bh1750fvi: mode is invalid.\n"); /* mode is invalid */
753
754 return 4; /* return error */
755 }
756
757 res = a_bh1750fvi_iic_write(handle, &prev, 1); /* write the command */
758 if (res != 0) /* check error */
759 {
760 handle->debug_print("bh1750fvi: set measurement time failed.\n"); /* set measurement time failed */
761
762 return 1; /* return error */
763 }
764
765 return 0; /* success return 0 */
766}
767
780uint8_t bh1750fvi_set_reg(bh1750fvi_handle_t *handle, uint8_t *buf, uint16_t len)
781{
782 if (handle == NULL) /* check handle */
783 {
784 return 2; /* return error */
785 }
786 if (handle->inited != 1) /* check handle initialization */
787 {
788 return 3; /* return error */
789 }
790
791 return a_bh1750fvi_iic_write(handle, buf, len); /* write command */
792}
793
806uint8_t bh1750fvi_get_reg(bh1750fvi_handle_t *handle, uint8_t *buf, uint16_t len)
807{
808 if (handle == NULL) /* check handle */
809 {
810 return 2; /* return error */
811 }
812 if (handle->inited != 1) /* check handle initialization */
813 {
814 return 3; /* return error */
815 }
816
817 return a_bh1750fvi_iic_read(handle, buf, len); /* read command */
818}
819
828uint8_t bh1750fvi_info(bh1750fvi_info_t *info)
829{
830 if (info == NULL) /* check handle */
831 {
832 return 2; /* return error */
833 }
834
835 memset(info, 0, sizeof(bh1750fvi_info_t)); /* initialize bh1750fvi info structure */
836 strncpy(info->chip_name, CHIP_NAME, 32); /* copy chip name */
837 strncpy(info->manufacturer_name, MANUFACTURER_NAME, 32); /* copy manufacturer name */
838 strncpy(info->interface, "IIC", 8); /* copy interface name */
839 info->supply_voltage_min_v = SUPPLY_VOLTAGE_MIN; /* set minimal supply voltage */
840 info->supply_voltage_max_v = SUPPLY_VOLTAGE_MAX; /* set maximum supply voltage */
841 info->max_current_ma = MAX_CURRENT; /* set maximum current */
842 info->temperature_max = TEMPERATURE_MAX; /* set minimal temperature */
843 info->temperature_min = TEMPERATURE_MIN; /* set maximum temperature */
844 info->driver_version = DRIVER_VERSION; /* set driver version */
845
846 return 0; /* success return 0 */
847}
BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_LOW
#define BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_LOW
Definition driver_bh1750fvi.c:64
MAX_CURRENT
#define MAX_CURRENT
Definition driver_bh1750fvi.c:46
BH1750FVI_COMMAND_POWER_DOWN
#define BH1750FVI_COMMAND_POWER_DOWN
chip command definition
Definition driver_bh1750fvi.c:54
BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_HIGH
#define BH1750FVI_COMMAND_CHANGE_MEASUREMENT_TIME_HIGH
Definition driver_bh1750fvi.c:63
BH1750FVI_COMMAND_CONTINUOUSLY_L_RESOLUTION_MODE
#define BH1750FVI_COMMAND_CONTINUOUSLY_L_RESOLUTION_MODE
Definition driver_bh1750fvi.c:59
BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE2
#define BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE2
Definition driver_bh1750fvi.c:58
BH1750FVI_COMMAND_POWER_ON
#define BH1750FVI_COMMAND_POWER_ON
Definition driver_bh1750fvi.c:55
SUPPLY_VOLTAGE_MAX
#define SUPPLY_VOLTAGE_MAX
Definition driver_bh1750fvi.c:45
BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE
#define BH1750FVI_COMMAND_CONTINUOUSLY_H_RESOLUTION_MODE
Definition driver_bh1750fvi.c:57
TEMPERATURE_MAX
#define TEMPERATURE_MAX
Definition driver_bh1750fvi.c:48
BH1750FVI_COMMAND_ONE_TIME_L_RESOLUTION_MODE
#define BH1750FVI_COMMAND_ONE_TIME_L_RESOLUTION_MODE
Definition driver_bh1750fvi.c:62
BH1750FVI_COMMAND_RESET
#define BH1750FVI_COMMAND_RESET
Definition driver_bh1750fvi.c:56
BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE2
#define BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE2
Definition driver_bh1750fvi.c:61
MANUFACTURER_NAME
#define MANUFACTURER_NAME
Definition driver_bh1750fvi.c:43
TEMPERATURE_MIN
#define TEMPERATURE_MIN
Definition driver_bh1750fvi.c:47
SUPPLY_VOLTAGE_MIN
#define SUPPLY_VOLTAGE_MIN
Definition driver_bh1750fvi.c:44
BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE
#define BH1750FVI_COMMAND_ONE_TIME_H_RESOLUTION_MODE
Definition driver_bh1750fvi.c:60
CHIP_NAME
#define CHIP_NAME
chip information definition
Definition driver_bh1750fvi.c:42
DRIVER_VERSION
#define DRIVER_VERSION
Definition driver_bh1750fvi.c:49
driver_bh1750fvi.h
driver bh1750fvi header file
bh1750fvi_stop_continuous_read
uint8_t bh1750fvi_stop_continuous_read(bh1750fvi_handle_t *handle)
stop chip reading
Definition driver_bh1750fvi.c:724
bh1750fvi_reset
uint8_t bh1750fvi_reset(bh1750fvi_handle_t *handle)
reset
Definition driver_bh1750fvi.c:438
bh1750fvi_single_read
uint8_t bh1750fvi_single_read(bh1750fvi_handle_t *handle, uint16_t *raw, float *lux)
read data from the chip once
Definition driver_bh1750fvi.c:530
bh1750fvi_get_addr_pin
uint8_t bh1750fvi_get_addr_pin(bh1750fvi_handle_t *handle, bh1750fvi_address_t *addr_pin)
get the address pin
Definition driver_bh1750fvi.c:140
bh1750fvi_deinit
uint8_t bh1750fvi_deinit(bh1750fvi_handle_t *handle)
close the chip
Definition driver_bh1750fvi.c:322
bh1750fvi_start_continuous_read
uint8_t bh1750fvi_start_continuous_read(bh1750fvi_handle_t *handle)
start chip reading
Definition driver_bh1750fvi.c:669
bh1750fvi_info_t
struct bh1750fvi_info_s bh1750fvi_info_t
bh1750fvi information structure definition
bh1750fvi_handle_t
struct bh1750fvi_handle_s bh1750fvi_handle_t
bh1750fvi handle structure definition
bh1750fvi_set_measurement_time
uint8_t bh1750fvi_set_measurement_time(bh1750fvi_handle_t *handle, uint8_t t)
set the measurement time
Definition driver_bh1750fvi.c:476
bh1750fvi_continuous_read
uint8_t bh1750fvi_continuous_read(bh1750fvi_handle_t *handle, uint16_t *raw, float *lux)
read data from the chip continuously
Definition driver_bh1750fvi.c:620
bh1750fvi_set_addr_pin
uint8_t bh1750fvi_set_addr_pin(bh1750fvi_handle_t *handle, bh1750fvi_address_t addr_pin)
set the address pin
Definition driver_bh1750fvi.c:119
bh1750fvi_info
uint8_t bh1750fvi_info(bh1750fvi_info_t *info)
get chip's information
Definition driver_bh1750fvi.c:828
bh1750fvi_power_down
uint8_t bh1750fvi_power_down(bh1750fvi_handle_t *handle)
power down
Definition driver_bh1750fvi.c:366
bh1750fvi_mode_t
bh1750fvi_mode_t
bh1750fvi mode enumeration definition
Definition driver_bh1750fvi.h:72
bh1750fvi_power_on
uint8_t bh1750fvi_power_on(bh1750fvi_handle_t *handle)
power on
Definition driver_bh1750fvi.c:402
bh1750fvi_init
uint8_t bh1750fvi_init(bh1750fvi_handle_t *handle)
initialize the chip
Definition driver_bh1750fvi.c:216
bh1750fvi_address_t
bh1750fvi_address_t
bh1750fvi address enumeration definition
Definition driver_bh1750fvi.h:63
bh1750fvi_get_mode
uint8_t bh1750fvi_get_mode(bh1750fvi_handle_t *handle, bh1750fvi_mode_t *mode)
get the mode
Definition driver_bh1750fvi.c:188
bh1750fvi_set_mode
uint8_t bh1750fvi_set_mode(bh1750fvi_handle_t *handle, bh1750fvi_mode_t mode)
set the mode
Definition driver_bh1750fvi.c:162
BH1750FVI_MODE_HIGH_RESOLUTION_MODE
@ BH1750FVI_MODE_HIGH_RESOLUTION_MODE
Definition driver_bh1750fvi.h:73
BH1750FVI_MODE_LOW_RESOLUTION_MODE
@ BH1750FVI_MODE_LOW_RESOLUTION_MODE
Definition driver_bh1750fvi.h:75
BH1750FVI_MODE_HIGH_RESOLUTION_MODE2
@ BH1750FVI_MODE_HIGH_RESOLUTION_MODE2
Definition driver_bh1750fvi.h:74
bh1750fvi_get_reg
uint8_t bh1750fvi_get_reg(bh1750fvi_handle_t *handle, uint8_t *buf, uint16_t len)
get the chip register
Definition driver_bh1750fvi.c:806
bh1750fvi_set_reg
uint8_t bh1750fvi_set_reg(bh1750fvi_handle_t *handle, uint8_t *buf, uint16_t len)
set the chip register
Definition driver_bh1750fvi.c:780
bh1750fvi_handle_s::inited
uint8_t inited
Definition driver_bh1750fvi.h:92
bh1750fvi_handle_s::t
uint8_t t
Definition driver_bh1750fvi.h:91
bh1750fvi_handle_s::mode
uint8_t mode
Definition driver_bh1750fvi.h:90
bh1750fvi_handle_s::delay_ms
void(* delay_ms)(uint32_t ms)
Definition driver_bh1750fvi.h:88
bh1750fvi_handle_s::debug_print
void(* debug_print)(const char *const fmt,...)
Definition driver_bh1750fvi.h:89
bh1750fvi_handle_s::iic_init
uint8_t(* iic_init)(void)
Definition driver_bh1750fvi.h:84
bh1750fvi_handle_s::iic_read_cmd
uint8_t(* iic_read_cmd)(uint8_t addr, uint8_t *buf, uint16_t len)
Definition driver_bh1750fvi.h:86
bh1750fvi_handle_s::iic_addr
uint8_t iic_addr
Definition driver_bh1750fvi.h:83
bh1750fvi_handle_s::iic_deinit
uint8_t(* iic_deinit)(void)
Definition driver_bh1750fvi.h:85
bh1750fvi_handle_s::iic_write_cmd
uint8_t(* iic_write_cmd)(uint8_t addr, uint8_t *buf, uint16_t len)
Definition driver_bh1750fvi.h:87
bh1750fvi_info_s::temperature_max
float temperature_max
Definition driver_bh1750fvi.h:107
bh1750fvi_info_s::supply_voltage_max_v
float supply_voltage_max_v
Definition driver_bh1750fvi.h:104
bh1750fvi_info_s::driver_version
uint32_t driver_version
Definition driver_bh1750fvi.h:108
bh1750fvi_info_s::temperature_min
float temperature_min
Definition driver_bh1750fvi.h:106
bh1750fvi_info_s::max_current_ma
float max_current_ma
Definition driver_bh1750fvi.h:105
bh1750fvi_info_s::manufacturer_name
char manufacturer_name[32]
Definition driver_bh1750fvi.h:101
bh1750fvi_info_s::supply_voltage_min_v
float supply_voltage_min_v
Definition driver_bh1750fvi.h:103
bh1750fvi_info_s::interface
char interface[8]
Definition driver_bh1750fvi.h:102
bh1750fvi_info_s::chip_name
char chip_name[32]
Definition driver_bh1750fvi.h:100