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SAMV7: TWIHS: Correct timeout calculation; correct some issues with Multi-Message-Transfer

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This commit is contained in:
Frank Benkert 2016-03-08 06:44:41 -06:00 • committed by Gregory Nutt
parent f46298105a
commit 945e137382
1 changed files with 4 additions and 4 deletions
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8
arch/arm/src/samv7/sam_twihs.c
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@ -488,7 +488,7 @@ static int twi_wait(struct twi_dev_s *priv, unsigned int size)
* TWIHS transfer stalls.
*/
wd_start(priv->timeout, timeout, twi_timeout, 1, (uint32_t)priv);
wd_start(priv->timeout, (timeout * size), twi_timeout, 1, (uint32_t)priv);
/* Wait for either the TWIHS transfer or the timeout to complete */
@ -568,7 +568,7 @@ static int twi_interrupt(struct twi_dev_s *priv)
if (priv->xfrd >= msg->length)
{
struct i2c_msg_s *next = msg++;
struct i2c_msg_s *next = (msg + 1);
/* Is there another message to after this one? Does it require a
* restart?
@ -601,7 +601,7 @@ static int twi_interrupt(struct twi_dev_s *priv)
else if (priv->xfrd == (msg->length - 1))
{
struct i2c_msg_s *next = msg++;
struct i2c_msg_s *next = (msg + 1);
/* Is there another message to after this one? Does it require a
* restart?
@ -626,7 +626,7 @@ static int twi_interrupt(struct twi_dev_s *priv)
if (priv->xfrd >= msg->length)
{
struct i2c_msg_s *next = msg++;
struct i2c_msg_s *next = (msg + 1);
/* Is there another message to after this one? Does it require a
* restart?