If you want to use the I2C tool, you'll also have to register the i2c driver from your board logic.
See: https://github.com/apache/incubator-nuttx/blob/master/boards/arm/stm32f0l0g0/nucleo-g070rb/src/stm32_bringup.c#L89-L111 https://github.com/apache/incubator-nuttx/blob/master/boards/risc-v/esp32c3/esp32c3-devkit/src/esp32c3_i2c.c On Fri, Apr 30, 2021 at 1:47 PM Alan Carvalho de Assis <acas...@gmail.com> wrote: > > Hi Yuta, > > Yes, you forgot to select the I2C Character driver support. > > Please try to follow this tutorial: > > https://www.youtube.com/watch?v=RzrDa4Sm1rU > > BR, > > Alan > > On 4/30/21, yuta <yutr...@gmail.com> wrote: > > Hi all, > > I'm trying to use I2C. > > I configured below in menuconfig. > > - System Type > STM32 Peripheral Support > [*] I2C1 > > - Device Drivers > [*] I2C Driver Support > > then compilation was done successfully. > > But no I2C device( like /dev/i2c1 ) showed up when I tried ls /dev > > Do I forget something to do? > > > > I'm using Nucleo-F767ZI board. > > > > Thank you. > > Yuta Ide > > > >
