brian-doherty commented on code in PR #10092:
URL: https://github.com/apache/nuttx/pull/10092#discussion_r1285933680
##########
arch/arm/src/nrf52/nrf52_i2c.c:
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@@ -373,7 +374,9 @@ static int nrf52_i2c_transfer(struct i2c_master_s *dev,
/* Write number of bytes in TXD buffer */
regval = priv->dcnt;
- nrf52_i2c_putreg(priv, NRF52_TWIM_TXMAXCNT_OFFSET, regval);
+ nrf52_i2c_putreg(priv, NRF52_TWIM_TXDMAXCNT_OFFSET, regval);
+
+ nxsig_usleep(1);
Review Comment:
I tried both polled and with interrupts with the same results. I will do as
you suggest and add an nrf52 specific option for now using up_udelay(). One
possibility is that I've done something wrong with the GPIO pins but I doubt it
since I'm matching the other boards. (You may have already noted that the I2C
pin config in the NRF52840 manual does NOT work at all, unfortunately.)
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