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| author | px4dev <px4@purgatory.org> | 2013-01-26 16:11:31 -0800 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2013-01-26 16:11:31 -0800 |
| commit | 6bd662cfb2d90628eb03c0bec1ebac54e47a7090 (patch) | |
| tree | 46a0842c80cc3b9ed26b2936d50d3e8443f6b38c /apps/px4io/i2c.c | |
| parent | e0f83af96fdab2cd5b239dec3a842c4a2a92ad85 (diff) | |
| download | px4-firmware-6bd662cfb2d90628eb03c0bec1ebac54e47a7090.tar.gz px4-firmware-6bd662cfb2d90628eb03c0bec1ebac54e47a7090.tar.bz2 px4-firmware-6bd662cfb2d90628eb03c0bec1ebac54e47a7090.zip | |
In the case of a repeated start, we won't get a STOPF/AF status, but we still need to complete the old transaction before handling ADDR.
Diffstat (limited to 'apps/px4io/i2c.c')
| -rw-r--r-- | apps/px4io/i2c.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/apps/px4io/i2c.c b/apps/px4io/i2c.c index c16d5700c..2b8c502c7 100644 --- a/apps/px4io/i2c.c +++ b/apps/px4io/i2c.c @@ -157,7 +157,7 @@ i2c_interrupt(int irq, FAR void *context) { uint16_t sr1 = rSR1; - if (sr1 & (I2C_SR1_STOPF | I2C_SR1_AF)) { + if (sr1 & (I2C_SR1_STOPF | I2C_SR1_AF | I2C_SR1_ADDR)) { if (sr1 & I2C_SR1_STOPF) { /* write to CR1 to clear STOPF */ @@ -165,7 +165,7 @@ i2c_interrupt(int irq, FAR void *context) rCR1 |= I2C_CR1_PE; } - /* it's likely that the DMA hasn't stopped, so we have to do it here */ + /* DMA never stops, so we should do that now */ switch (direction) { case DIR_TX: i2c_tx_complete(); |