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| author | marius <marius@FreeBSD.org> | 2012-04-14 17:27:34 +0000 |
|---|---|---|
| committer | marius <marius@FreeBSD.org> | 2012-04-14 17:27:34 +0000 |
| commit | 330283063f351c3bbd9c54affbe2ea60afc76f5c (patch) | |
| tree | 5866e9622135410cfa8122872179340b5ebe1a31 | |
| parent | 460b10f523265e65dbc80afeb31bc0ee7cea8fbc (diff) | |
| download | FreeBSD-src-330283063f351c3bbd9c54affbe2ea60afc76f5c.zip FreeBSD-src-330283063f351c3bbd9c54affbe2ea60afc76f5c.tar.gz | |
Generate an obviously missing STOP when having finished transmitting data.
This fixes communication with PCF8563.
| -rw-r--r-- | sys/arm/at91/at91_twi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/arm/at91/at91_twi.c b/sys/arm/at91/at91_twi.c index 26d8753..a76c313 100644 --- a/sys/arm/at91/at91_twi.c +++ b/sys/arm/at91/at91_twi.c @@ -364,6 +364,7 @@ at91_twi_transfer(device_t dev, struct iic_msg *msgs, uint32_t nmsgs) goto out; WR4(sc, TWI_THR, *buf++); } + WR4(sc, TWI_CR, TWI_CR_STOP); } if ((err = at91_twi_wait(sc, TWI_SR_TXCOMP))) break; |
