menu "Configuration of the Nixie Screen" orsource "$IDF_PATH/examples/common_components/env_caps/$IDF_TARGET/Kconfig.env_caps" config MCP_I2C_ADDR hex "I2C address of mcp23017" default 0x20 help I2C address of `mcp23017`. `mcp23017` has three address pins (`A0`, `A1`, and `A2`). The address starts from `0x20` (all pins are grounded), which is the default, and ends at `0x27`. See "3.3.1 ADDRESSING I2C DEVICES (MCP23017)" in the datasheet. config SDA_PIN int "SDA pin number" range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX default 6 help Pin number for SDA pin. config SCL_PIN int "SCL pin number" range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX default 7 help Pin number for SLC pin. config MIN int default 0 config MAX int default 7 config N0_P0 int "N0_P0 pin number" range MIN MAX default 4 help Pin number for N0_P0. config N0_P1 int "N0_P1 pin number" range MIN MAX default 5 help Pin number for N0_P1. config N0_P2 int "N0_P2 pin number" range MIN MAX default 6 help Pin number for N0_P2. config N0_P3 int "N0_P3 pin number" range MIN MAX default 7 help Pin number for N0_P3. config N1_P0 int "N1_P0 pin number" range MIN MAX default 0 help Pin number for N1_P0. config N1_P1 int "N1_P1 pin number" range MIN MAX default 1 help Pin number for N1_P1. config N1_P2 int "N1_P2 pin number" range MIN MAX default 2 help Pin number for N1_P2. config N1_P3 int "N1_P3 pin number" range MIN MAX default 3 help Pin number for N1_P3. config N2_P0 int "N2_P0 pin number" range MIN MAX default 4 help Pin number for N2_P0. config N2_P1 int "N2_P1 pin number" range MIN MAX default 5 help Pin number for N2_P1. config N2_P2 int "N2_P2 pin number" range MIN MAX default 6 help Pin number for N2_P2. config N2_P3 int "N2_P3 pin number" range MIN MAX default 7 help Pin number for N2_P3. config N3_P0 int "N3_P0 pin number" range MIN MAX default 0 help Pin number for N3_P0. config N3_P1 int "N3_P1 pin number" range MIN MAX default 1 help Pin number for N3_P1. config N3_P2 int "N3_P2 pin number" range MIN MAX default 2 help Pin number for N3_P2. config N3_P3 int "N3_P3 pin number" range MIN MAX default 3 help Pin number for N3_P3. endmenu