i2c_reconnect.c

#ifndef I2C_DRIVER
#    define I2C_DRIVER I2CD1
#endif

// ...

            if (io_expander_ready()) {
                // If we managed to initialize the mcp23018 - we need to reinitialize the matrix / layer state. During an electric discharge the i2c peripherals might be in a weird state. Giving a delay and resetting the MCU allows to recover from this.
                mcp23018_reset_loop = 0;
                mcp23018_errors          = 0;
                i2cStop(I2C_DRIVER);
                wait_ms(10);
#ifdef RGB_MATRIX_ENABLE
                rgb_matrix_init();
#endif
            }