polymachine/b-parasite-esp32
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Author SHA1 Message Date
rbaron
0d307d8ef5 Defaults to BLE protocol version 1 
I'll keep it at v1 until at least the ESPHome and Home Assistant bridges
versions are released with support to v2.
 2022-03-15 08:52:37 +01:00
rbaron
b4acd3fad7 Unsets debug flags 2022-03-14 18:25:09 +01:00
rbaron
8fd4d7222a Implements BLE protocol v2 
The only change from v1 is how the temperature is encoded. In v2, two
bytes at offset 4 and 5  represent a 16-bit signed int (in big-endian).
It contains the temperature in degrees Celsius *  100.

Fixes #29
 2022-03-14 18:23:49 +01:00
rbaron
77f398757a Fixes MAC address in the BLE advertisement packet 
The bug was introduced in https://github.com/rbaron/b-parasite/pull/26.
 2022-02-12 18:38:57 +01:00
rbaron
1abff035cb Adds PRST_BLINK_LED config to save battery 2022-02-12 18:37:43 +01:00
rbaron
03dab21dca
Merge pull request #26 from rbaron/rand-mac 2022-01-07 08:40:59 +01:00
rbaron
e16f61509c Add support for using the nRF52 preprogrammed random MAC address 
Each nRF52 chip comes preprogrammed with a random static MAC address.
This is the default MAC address that is used if we don't specify one.

Fixes #25
 2022-01-06 22:12:34 +01:00
rbaron
742ae103da Adds the Home Assistant custom component integration to README.md 
Fixes #24. Thanks @jhbruhn!
 2022-01-06 21:31:49 +01:00
rbaron
9572e5ba16 Fixed LCSC part number for resistor R10 
Fixes #23
 2021-12-13 18:43:52 +01:00
rbaron
989012576e Removes C_para from BOM file 
The C_para is just a virtual capacitor, formed by the PCB traces, and
should not have an entry in the BOM file.
 2021-10-17 23:37:56 -03:00
rbaron
4a3625f1eb
Adds Wiki links to README.md 2021-10-16 14:37:19 +02:00
rbaron
3bccb0520f
Merge pull request #18 from rbaron/phototransistor 
Adds phototransistor

Closes #4
 2021-10-16 13:57:21 +02:00
rbaron
452cf3f623 Updates README.md with light sensor info 2021-10-09 10:27:05 +02:00
rbaron
6528565fad Moves photoresistor all the way to the top & adds test pad 2021-10-09 10:16:42 +02:00
rbaron
85643fe41e Cleans up debugging code 2021-10-09 09:33:50 +02:00
rbaron
79384cd6b2 Accidentally cleaned up too much 2021-10-09 09:33:23 +02:00
rbaron
ded36d1c3d Cleanup leftover tests 2021-10-09 09:33:23 +02:00
rbaron
697e0022d1 Plots fabrication files 2021-10-09 09:33:23 +02:00
rbaron
bebf8c0a13 Adds code for reading the phototransistor values 2021-10-09 09:33:23 +02:00
rbaron
d3ed9a3311 Fixes Q4 (phototransistor footprint) 
It was not marked as SMT, so the exported position file didn't include
it.
 2021-10-09 09:33:23 +02:00
rbaron
934f9cc883 Plots fabrication files 
This also adds ~15mm to the length of the board. This extra clearance
should help prevent shorts when watering plants.
 2021-10-09 09:33:23 +02:00
rbaron
5ee0fa52fe First step in adding the phototransistor 
- Updates schematic
- Updates the PCB layout
- Generated BOM file
 2021-10-09 09:33:23 +02:00
rbaron
16d1a21433
Merge pull request #16 from jhbruhn/feature/photo_fix_overflow 
Fix ADC Overflow with dark environment
 2021-09-30 18:18:09 +02:00
Jan-Henrik Bruhn
44adefedb3 Fix overflow in very dark or noisy situations 2021-09-30 10:24:51 +02:00
rbaron
141add87bb
Merge pull request #6 from yuvalabou/main 
Adds photoresistor

This PR introduces a photoresistor (LDR) on the board. The code has also been updated for sampling the LDR, estimating the illuminance in lux and encoding that value in the BLE payload.
 2021-09-24 19:11:56 +02:00
rbaron
9b90d5a112 Disabled debug and set deep sleep time to 5 minutes 2021-09-24 19:08:10 +02:00
rbaron
ef2bfcdadd Updates #ifdef's to #if in main.c 2021-09-22 22:43:49 +02:00
rbaron
e1f385adbd Fixes #if PRST_HAS_LDR check in ble.c 2021-09-22 22:39:19 +02:00
rbaron
d8aea1d4ef Introduces version-specific config & condition BLE lux encoding 
In the BLE service data payload, one of the reserved bits is now used to
indicate whether or not the ambient lux value is encoded in the packet.
Bit 0 of the first byte is now the `has_lux` bit. If it is set, bytes
16-17 in the service data will contain the ambient lux. If `has_lux` is
not set, bytes 16-17 may not exist (for compatibility with older
firmwares) or may hold meaningless values.

This commit also introduces version-specific configuration in
prst_config.h. Photoresistor config, for example, is only meaninful for
version 1.1.x.
 2021-09-22 22:39:11 +02:00
rbaron
a00559a98b Uses better LDR x lux model 2021-09-22 22:38:30 +02:00
rbaron
ba361e099c Adds LCSC part number to the R9 photoresistor 2021-09-22 22:38:30 +02:00
rbaron
6f98aa34b1 Calls nrf_gpio_cfg_output(PRST_PHOTO_V) 2021-09-22 22:38:30 +02:00
rbaron
d2daefaf46 Updates ambient brightness estimation code 
Also renames the `lux` field from `photo_read_t` to the more generic `brightness`.
 2021-09-22 22:38:30 +02:00
rbaron
be366d5c3c Updates BLE packet payload documentation 
Adds the new ambient light values.
 2021-09-22 22:38:30 +02:00
rbaron
a3943bc298 Updates PHOTO_V pin to P0.29 in prst_config.h 2021-09-22 22:38:30 +02:00
rbaron
b56e930546 Generates footprint position file & BOM 2021-09-22 22:38:30 +02:00
rbaron
2e31a488f2 Plotted gerbers and schematic PDF 2021-09-22 22:38:30 +02:00
rbaron
0e5f8b8f9d Updates PHOTO_V pin to use pin P0.29 from both modules 
- Updated schematic
- Updated pcb layout
 2021-09-22 22:38:30 +02:00
rbaron
9c6fdfacfc Bumps revision to 1.1.0 
Merges both drill files into a single one.
 2021-09-22 22:38:30 +02:00
rbaron
e32803d44d Improvements to photo resistor-based lux estimation 
- Code now compiles
- Estimation of the photo resistor resistance works
- Lux estimation from the photo resistor resistance needs more work and calibration
- Lux is now encoded in the BLE advertisement payload
 2021-09-22 22:38:30 +02:00
chentadot
dcd0fc4ae1 Calculate photoresistor and some other fixes (#3) 
prst_adc_photo_read() now calculates the photo resistor and return it as the lux level.
Added debug logging and fixed some syntax errors.
 2021-09-22 22:38:30 +02:00
chentadot
c9b05859e4 First draft for Photoresistor 
the code now should setup and use the photoresistor and read it's value by the adc.
the returned value is 0 just as a place holder until the correct values are measured.
 2021-09-22 22:38:30 +02:00
Yuval Aboulafia
64b2bcc6c6 simplify voltage divider 2021-09-22 22:38:30 +02:00
Yuval Aboulafia
fdd3a929da Update GERBER 2021-09-22 22:38:29 +02:00
Yuval Aboulafia
9698f3eccb minor adjustments to silkscreen 2021-09-22 22:38:29 +02:00
Yuval Aboulafia
66e1781b07 Supply V to photoresitor using nrf pin 2021-09-22 22:38:29 +02:00
Yuval Aboulafia
5fc298f57c Add Photoresistor 2021-09-22 22:38:29 +02:00
rbaron
31570f08e2
Merge pull request #14 from jhbruhn/feature/nrf52833_pin_fix 
Fix pinout for fast discharge pin on E73...E
 2021-09-03 19:00:47 +02:00
Jan-Henrik Bruhn
60071b5fde Fix pinout for fast discharge pin 2021-09-03 12:01:24 +02:00
rbaron
5c71363258
Merge pull request #13 from jhbruhn/feature/nrf52833 
Support for E73-2G4M08S1E (nrf52833) module
 2021-09-02 21:02:57 +02:00