On Wed, May 29, 2024 at 03:45:58PM +0000, Nechita, Ramona wrote: > >On Wed, May 29, 2024 at 03:01:06PM +0000, Nechita, Ramona wrote: ... > >> >> + ret = ad777x_spi_write(st, AD777X_REG_SRC_N_LSB, lsb); > >> >> + if (ret) > >> >> + return ret; > >> >> + ret = ad777x_spi_write(st, AD777X_REG_SRC_N_MSB, msb); > >> >> + if (ret) > >> >> + return ret; > >> > > >> >Can you use 16-bit writes? > >> >Same Q to all similar LSB/MSB write groups. > >> > >> I cannot do 16-bit writes due to how the spi functions on the chip and > >> because the registers for MSB/LSB are at different addresses. > > > >They are supposed to be on the different addresses. > >You mean the distance between them > than stride? > > I may be misunderstanding this, but the spi read/write expects > HeaderBit+Addr+/-Data+CRC. Writing two consecutive registers would mean > creating a buffer with this format for each address and sending all of them > at once, correct? I feel like that would overcomplicate the code a bit, but I > can do it if it seems appropriate. You can add a new ad777x_spi_bulk_write() where you perform needed magic. -- With Best Regards, Andy Shevchenko
