Si012 Pro Max first Build #2124
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Not working build for Sequre Si012Pro iron. Getting buttonA, buttonAF and disconnectedTipF error.
Correct firmware offset > 0x08004C00
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First build for this iron, i´ve been doing a lot of reverse to make this "work".
Firmware boots up and all seems to be working. Can heat up and maintain stable temp.
TO DO:
-OLED loses format when in right. In left mode (default) UI and icons look good.
-This iron can use two tips, with 2 opamps and 2 mosfets. By now only working with the short tip, we need to write the logic to switch from one to another.
-PD chip is not working properly, i´ve selected HUSB238 in the config file but only can see: PD Debug state 55.
The way to upload the firm is pretty simple using the .hex file with the correct offset and uploading it with Sequre stock bootloader (flash looks like a FAT drive on windows, simply dragging the .hex).
SWD pinout for debugging:
CSK32F103 (STM32 clone) pinout:
PB9 - T13_PWM
PB8 - T12_PWM
PB7 - SDA
PB6 - SCL
PB3 - LED10
PA15 - LED9
PA14 - SWCLK
PA13 - SWDIO
PA12 - D+
PA11 - D-
PA8 - (gates D+ MOSFET)
PB15 - LED 6
PB14 - LED 5
PB13 - LED 4
PB12 - BUZZER
PB11 - LED8
PB10 - LED7
PB1 - B_switch (Pulled up)
PB0 - A_switch (Pulled up)
PA6 - T13_TEMP
PA5 - NTC
PA4 - Voltage reading (VBUS = PA4 reading * 0.1176)
PA3 - MOTION SENSOR (Pulled down)
PA2 - Ambient Temp sensor (TC1047)
PA0 - T12_TEMP
PC15 - LED3
PC14 - LED2
PC13 - LED1
This iron uses double tip support (T12 and TS/SI), this is the T12 and T13 temp.
Pics with OLED left/right mode:
ZIP file with .bin of stock bootloader dump (if you brick the soldering iron could revive flashing this with STM32CubePRogrammer) and first pre-ALPHA working firmware (.hex).
Si012Pro_dev.zip