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max31855 driver fix from Alan Carvalho de Assis

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Alan Carvalho de Assis 2015-09-14 07:47:21 -06:00 committed by Gregory Nutt
parent bca2b2c07c
commit 3a8b00f09f
1 changed files with 7 additions and 6 deletions
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13
drivers/sensors/max31855.c
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@ -144,10 +144,11 @@ static int max31855_close(FAR struct file *filep)
static ssize_t max31855_read(FAR struct file *filep, FAR char *buffer, size_t buflen)
{
FAR struct inode *inode = filep->f_inode;
FAR struct max31855_dev_s *priv = inode->i_private;
FAR uint16_t *temp = (FAR uint16_t *) buffer;
int ret = 2;
int32_t regmsb, regval;
FAR struct max31855_dev_s *priv = inode->i_private;
FAR uint16_t *temp = (FAR uint16_t *) buffer;
int ret = 2;
int32_t regmsb;
int32_t regval;
/* Check for issues */
@ -186,11 +187,11 @@ static ssize_t max31855_read(FAR struct file *filep, FAR char *buffer, size_t bu
if (regval & 0x80000000)
{
temp = 0xFFFFC000 | (regval >> 18);
*temp = 0xc000 | (regval >> 18);
}
else
{
temp = (regval >> 18);
*temp = (regval >> 18);
}
/* Detect any fault */