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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-07-07 09:54:43 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-07-07 09:54:43 -0600 |
| commit | 42e65f3eb7e48fc9dae49886de9147c4e660710a (patch) | |
| tree | afde2fd94af1afa6c9515117dcb2ef68af738edf /nuttx | |
| parent | ea16e75248de742b5177f62d2202a3f391eed0df (diff) | |
| download | px4-nuttx-42e65f3eb7e48fc9dae49886de9147c4e660710a.tar.gz px4-nuttx-42e65f3eb7e48fc9dae49886de9147c4e660710a.tar.bz2 px4-nuttx-42e65f3eb7e48fc9dae49886de9147c4e660710a.zip | |
SAMA5D3/4 I2C: Test for read or write operation was reversed. How could this have worked before?
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/arch/arm/src/sama5/sam_twi.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/sama5/sam_twi.c b/nuttx/arch/arm/src/sama5/sam_twi.c index 899f56a81..0d4cffeb2 100644 --- a/nuttx/arch/arm/src/sama5/sam_twi.c +++ b/nuttx/arch/arm/src/sama5/sam_twi.c @@ -683,7 +683,8 @@ static void twi_startread(struct twi_dev_s *priv, struct i2c_msg_s *msg) /* Set slave address and number of internal address bytes. */ twi_putrel(priv, SAM_TWI_MMR_OFFSET, 0); - twi_putrel(priv, SAM_TWI_MMR_OFFSET, TWI_MMR_IADRSZ_NONE | TWI_MMR_MREAD | TWI_MMR_DADR(msg->addr)); + twi_putrel(priv, SAM_TWI_MMR_OFFSET, TWI_MMR_IADRSZ_NONE | TWI_MMR_MREAD | + TWI_MMR_DADR(msg->addr)); /* Set internal address bytes (not used) */ @@ -738,7 +739,7 @@ static void twi_startwrite(struct twi_dev_s *priv, struct i2c_msg_s *msg) static void twi_startmessage(struct twi_dev_s *priv, struct i2c_msg_s *msg) { - if ((msg->flags & I2C_M_READ) == 0) + if ((msg->flags & I2C_M_READ) != 0) { twi_startread(priv, msg); } @@ -756,7 +757,7 @@ static void twi_startmessage(struct twi_dev_s *priv, struct i2c_msg_s *msg) * Name: twi_setfrequency * * Description: - * Set the frequence for the next transfer + * Set the frequency for the next transfer * *******************************************************************************/ |