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Another update to the I/O Expander skeleton.c file

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This commit is contained in:
Gregory Nutt 2016-07-31 17:03:25 -06:00
parent bbe7a97685
commit 9f00d87c07
1 changed files with 10 additions and 3 deletions
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13
drivers/ioexpander/skeleton.c
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@ -95,6 +95,8 @@ struct skel_dev_s
* Private Function Prototypes
****************************************************************************/
static void skel_lock(FAR struct skel_dev_s *priv);
static int skel_direction(FAR struct ioexpander_dev_s *dev, uint8_t pin,
int dir);
static int skel_option(FAR struct ioexpander_dev_s *dev, uint8_t pin,
@ -118,6 +120,9 @@ static int skel_attach(FAR struct ioexpander_dev_s *dev,
ioe_pinset_t pinset, ioe_callback_t callback);
#endif
static void skel_irqworker(void *arg);
static void skel_interrupt(FAR void *arg);
/****************************************************************************
* Private Data
****************************************************************************/
@ -677,9 +682,8 @@ static void skel_interrupt(FAR void *arg)
/* Defer interrupt processing to the worker thread. This is not only
* much kinder in the use of system resources but is probably necessary
* to access the I/O expander device.
*/
/* Notice that further GPIO interrupts are disabled until the work is
*
* Notice that further GPIO interrupts are disabled until the work is
* actually performed. This is to prevent overrun of the worker thread.
* Interrupts are re-enabled in skel_irqworker() when the work is
* completed.
@ -740,6 +744,9 @@ FAR struct ioexpander_dev_s *skel_initialize(void)
#endif
/* Initialize the device state structure */
/* NOTE: Normally you would also save the I2C/SPI device interface and
* any configuration information here as well.
*/
priv->dev.ops = &g_skel_ops;