Commit Graph

7 Commits

Author SHA1 Message Date
Niccolò Izzo ad1beffcf3 ttwrplus: implemented PMU interrupts handling
TG-553
2023-09-20 21:08:35 +02:00
Niccolò Izzo 2dabacebd8 ttwrplus: Implement power control on SA8x8
Implemented power control in T-TWR Plus by using the embedded switch
(RADIO_PWR) that controls the H/L pin of the SA868.

TG-553
2023-09-20 21:08:35 +02:00
Niccolò Izzo d935532fc4 ttwrplus: enable GPS
GPS was enabled using UART1 and Zephyr message queues.
UI is a bit crushed on the small 128x64 screen but hardware works as expected.

TG-553
2023-09-20 21:08:35 +02:00
Niccolò Izzo eeb05bcc0f ttwrplus: fix unstable baseband startup
A proper baseband reset is now issued at each startup. Now OpenRTX check
for SA868 responsiveness before proceeding with radio initialization,
eliminating unstable behaviour at boot.

TG-553
2023-09-20 21:08:35 +02:00
Niccolò Izzo 15f5477ae0 ttwrplus: add battery voltage readout
Add battery voltage readout through the XPowersLib library.

TG-553
2023-09-20 21:08:35 +02:00
Federico Amedeo Izzo e05d09f0fe ttwrplus: Set battery charging current to 500mAh to limit PMU heating and max. capacity to 80% to extend lifetime by 2.5x-3x
Reference article: https://batteryuniversity.com/article/bu-808-how-to-prolong-lithium-based-batteries
2023-09-20 21:08:35 +02:00
Niccolò Izzo 8e8daa78c8 ttwrplus: implement PMU support
Begin implementing PMU, now successfully read and write registers, need
to implement button functionality, battery voltage readout, charge
detection etc.

TG-553
2023-09-20 21:08:35 +02:00