These commands are available globally, regardless of the active mode.
They are used to manage the firmware, control settings, or switch modes.
| Command |
Description |
help |
Show the list of available commands |
mode <name> |
Change the active mode (uart, i2c, etc.) |
logic <pin> |
Enable logic analyzer on the ESP32 display |
P |
Enable internal pull-up resistors |
p |
Disable internal pull-up resistors |
- You can type
mode or m without arguments to select the current mode. You can also type m uart or mode I2C.
- The
P and p commands enable or disable pull-up resistors intelligently, based on the currently active mode.
- The behavior is context-sensitive and applies only to relevant pins:
| Mode |
Affected Pins |
Description |
UART |
RX |
Enables/disables pull-up on receive pin |
HDUART |
IO |
Enables/disables pull-up on shared I/O |
1WIRE |
DQ |
Controls pull-up on 1-Wire data line |
I2C |
SDA, SCL |
Enables/disables pull-ups on both lines |
SPI |
MISO |
Controls pull-up on MISO input line |
| Others |
— |
Pull-ups are not applicable |
help
mode uart # direct switch to UART
m # select mode
mode # select mode
m spi # direct switch to SPI
logic 1 # Logic start on pin 1
P # enable pull-up
p # disable pull-up