Development
| Option | Values | Description |
|---|---|---|
DFPLAYER |
NO/YES
|
Enable DFPlayer Voice support (Since 1.11.0+) |
FLYSKY_GIMBAL |
NO/YES
|
Enable FlySky FS-HZCZ03-ADJ gimbal support (Since 1.11.0+) |
PCBI6X_ELRSV3 |
NO/YES
|
Enable ExpressLRS config tool |
PCBI6X_INAV |
NO/YES
|
Enable INAV Lite radar screen |
PCBI6X_HELLO |
NO/YES
|
Example "Hello World" radio tool to help interested programmers to create their own |
PCBI6X_USB_VBUS |
NO/YES
|
Enables detection of USB connection and removes main screen popup USB Connect option for USB_VBUS mod |
PCBI6X_BACKLIGHT_MOD |
NO/YES |
|
PCBI6X_USB_MSD |
NO/YES
|
Enables USB Mass Storage mode. Currently forced to YES in CmakeList.txt |
AFHDS2A_LQI_CH |
1-17 | Injects RSSI at channel, default: 17 |
CRSF_UNINVERTED |
NO/YES
|
Disable inversion of S.Port(CRSF), useful if you want to use ExpressLRS RX as TX option.(Since 1.11.0+) |
PPM_UNIT |
US/PERCENT_PREC0/PERCENT_PREC1
|
Channel value unit |
DEBUG |
NO/YES
|
Enable DEBUG serial output |
GVARS |
NO/YES
|
Enable Global Variables |
HELI |
NO/YES
|
Enable Heli menu |
docker run --rm -it -e "BOARD_NAME=i6x" -e "CMAKE_FLAGS=PCB=I6X HELI=NO GVARS=YES LUA_COMPILER=NO MULTIMODULE=NO PCBI6X_ELRSV3=NO DEBUG=NO" -v ${PWD}:/opentx ajjjjjjjj/opentx-docker-i6x
Images to use:
ajjjjjjjj/opentx-docker-i6x - to compile using recent GCC version with LTO, this is current default.
vitass/opentx-fw-build - to compile older versions (1.8.0 and older) using GCC 4.7.
ST-Link: sudo st-flash write <file_to_flash>.bin 0x08000000
USB DFU Mode: dfu-util -a0 -s 0x08000000:leave -d 0483:df11 -D <file_to_flash>.bin
Located at PA9 TX,PA10 RX pins.
# sudo cat /dev/ttyUSB0 115200
-------------------------------------
DMA
-------------------------------------
Channel 1: ADC // ADC
Channel 2: TX1, TX3 // - not used - AUX Serial TX (USART1)
Channel 3: RX1, RX3 // AUX Serial RX (USART1)
Channel 4: TX1, TX2 // Telemetry DMA (TX2) (USART2), can be reused for A7105 SPI1 TX
Channel 5: RX1, RX2 // - not used - CRSF RX, A7105 SPI1 RX?
Channel 6: RX2, RX3, RX4 // AUX4 Serial RX (USART4)
Channel 7: TX2, TX3, TX4 // - not used -
-------------------------------------
Exposed PADS
-------------------------------------
PA9 USART1_TX (AUX Serial TX)
PA10 USART1_RX (AUX Serial RX)
PB8 TIM16_CH1, I2C1_SCL
PB9 TIM17_CH1, I2C1_SDA
TX2 (PD5) USART2_TX (Telemetry)
PA15 USART2_RX, USB VBUS detection
PC9 TIM3_CH4 (Backlight PWM)
PC12 no useful AF
PC13 no AF, EXTMODULE Power switch
PC14 no AF, DFPLAYER BUSY
PC15 no AF.
PD0 SPI2_NSS, I2S2_WS, CAN_RX // slave select
PD1 SPI2_SCK, I2S2_CK, CAN_TX // clock
PD3 SPI2_MISO, I2S2_MCK, USART2_CTS // out
PD4 SPI2_MOSI, I2S2_SD, USART2_RTS // in
PD11 no useful AF
TXD4 USART3/4_TX (AUX3 Serial TX - DFPlayer)
RXD4 USART3/4_RX (AUX4 Serial RX - FS-HZCZ03-ADJ Gimbal)
-------------------------------------
Timers
-------------------------------------
TIM1 Buzzer PWM
TIM2 -
TIM3 BACKLIGHT_TIMER PWM
TIM6 STM32F0 delays
TIM7 TIMER_2MHz
TIM14 INTERRUPT_xMS
TIM15 PPM (External module) + Trainer
TIM16 Internal RF
TIM17 MIXER_SCHEDULER
-------------------------------------
NVIC priorities
-------------------------------------
Cortex-M0 have only 2-bits NVIC priorities: 0-3 instead of 0-15:
priority 6 becomes 2 (most probably OK),
priority 7 becomes 3 (OK),
priority 8 becomes 0 (absolutely bad, because it becomes highest priority).