You are viewing an old version of this page. View the current version.
Compare with Current
View Page History
« Previous
Version 5
Next »
Dude we’ve been making these pages for a year now, wild
Planning page for this term: 2021-08-2816 F2021 Electrical Planning
Date | Folks | Progress |
|---|
Sept 20 | Aashmika + Jess | POWER SELECT couldn't repro issue with shdn pin line 287 power_select.c turning the board off briefly (0.5 seconds) started checking valid pin readings and they were broken checked continuity for all the valid pins + resistors and everything looked fine (no shorts) was a bit discontinuous with the controller board plug, resoldered valid pins worked after resoldering! note: valid pins are active-low, should change code to reflect that voltage reading is consistently wrong but some are more correct than others, hardware to debug vsense pins isense are all wrong, scaling factors seem off
babydriver snippet for checking valid pins:
def read_pins():
print('a8', gpio_get('a', 8))
print('a9', gpio_get('a', 9))
print('a10', gpio_get('a', 10)) |
Sept 26 | Aashmika + Jess | BMS CARRIER branch: soft_151_bms_validation KS doesn't work using smoke_bms. Button works, but not GPIO change observed on KS monitor. turning the relays on does nothing
CURRENT SENSE running smoke_ads1259 scope doesn't show good output at carrier board clock seems fine, MOSI seems slightly off output was super wavy and hard to read spi port 2 seems completely borked, no output spi port 1 seems ok Tried two different controller boards
AFES vsense works for all three flawlessly!
POWER SELECT resoldered the entire thing vsense works now! no scaling factor change TODO: tune scaling factors for isense TODO: remove jumpstart schematic stuff, 3v3 cell TODO: tune temp sense
|
Oct 1 (Happy spooky season) | Mitchell + Nita | CHARGER: Verified that EVSE is outputting power. The LED on the EVSE indicates charge state, and as such was used to debug. When connected and CP pin is low, EVSE is WHITE When the Control Pilot select pin goes high, the impedance changes and the EVSE interprets this and goes into charge mode (BLUE)
Setup E-Load: Received CAN messages from ELCON: 12V LED lights up at CAN Socket, indicating that the Elcon has power (SHOULD BE SEEN IF CONFIGURATION IS CORRECT) Sending message with corresponding ID from charger board via prv_periodic_send (every 1s) Receive message of different ID (18FF50E5) from charger, and parse data
NEXT STEPS:
|