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Extend I/O Expander interrupt controls; Add test of level sensitve interrupt to Simulated I/O expander

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This commit is contained in:
Gregory Nutt
2016-08-04 16:19:52 -06:00
parent 189d2cf475
commit 3d5df2e5af
5 changed files with 89 additions and 30 deletions
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include/nuttx/ioexpander/ioexpander.h
+25 -20
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@@ -61,25 +61,27 @@
/* Pin definitions **********************************************************/
#define IOEXPANDER_DIRECTION_IN 0
#define IOEXPANDER_DIRECTION_OUT 1
#define IOEXPANDER_DIRECTION_IN 0
#define IOEXPANDER_DIRECTION_OUT 1
#define IOEXPANDER_PINMASK (((ioe_pinset_t)1 << CONFIG_IOEXPANDER_NPINS) - 1)
#define PINSET_ALL (~((ioe_pinset_t)0))
#define IOEXPANDER_PINMASK (((ioe_pinset_t)1 << CONFIG_IOEXPANDER_NPINS) - 1)
#define PINSET_ALL (~((ioe_pinset_t)0))
/* Pin options */
#define IOEXPANDER_OPTION_INVERT 1 /* Set the "active" level for a pin */
# define IOEXPANDER_VAL_NORMAL 0 /* Normal, no inversion */
# define IOEXPANDER_VAL_INVERT 1 /* Inverted */
#define IOEXPANDER_OPTION_INVERT 1 /* Set the "active" level for a pin */
# define IOEXPANDER_VAL_NORMAL 0 /* Normal, no inversion */
# define IOEXPANDER_VAL_INVERT 1 /* Inverted */
#define IOEXPANDER_OPTION_INTCFG 2 /* Configure interrupt for a pin */
# define IOEXPANDER_VAL_LEVEL 1 /* xx1 Interrupt on level (vs. edge) */
# define IOEXPANDER_VAL_HIGH 1 /* 001 Interrupt on high level */
# define IOEXPANDER_VAL_LOW 3 /* 011 Interrupt on low level */
# define IOEXPANDER_VAL_RISING 2 /* 010 Interrupt on rising edge */
# define IOEXPANDER_VAL_FALLING 4 /* 100 Interrupt on falling edge */
# define IOEXPANDER_VAL_BOTH 6 /* 110 Interrupt on both edges */
#define IOEXPANDER_OPTION_INTCFG 2 /* Configure interrupt for a pin */
# define IOEXPANDER_VAL_DISABLE 0 /* 0000 Disable pin interrupts */
# define IOEXPANDER_VAL_LEVEL 1 /* xx01 Interrupt on level (vs. edge) */
# define IOEXPANDER_VAL_HIGH 5 /* 0101 Interrupt on high level */
# define IOEXPANDER_VAL_LOW 9 /* 1001 Interrupt on low level */
# define IOEXPANDER_VAL_EDGE 2 /* xx10 Interrupt on edge (vs. level) */
# define IOEXPANDER_VAL_RISING 6 /* 0110 Interrupt on rising edge */
# define IOEXPANDER_VAL_FALLING 10 /* 1010 Interrupt on falling edge */
# define IOEXPANDER_VAL_BOTH 14 /* 1110 Interrupt on both edges */
/* Access macros ************************************************************/
@@ -319,20 +321,23 @@ struct ioexpander_ops_s
CODE int (*ioe_direction)(FAR struct ioexpander_dev_s *dev, uint8_t pin,
int direction);
CODE int (*ioe_option)(FAR struct ioexpander_dev_s *dev, uint8_t pin,
int opt, void *val);
int opt, FAR void *val);
CODE int (*ioe_writepin)(FAR struct ioexpander_dev_s *dev, uint8_t pin,
bool value);
CODE int (*ioe_readpin)(FAR struct ioexpander_dev_s *dev, uint8_t pin,
bool *value);
FAR bool *value);
CODE int (*ioe_readbuf)(FAR struct ioexpander_dev_s *dev, uint8_t pin,
bool *value);
FAR bool *value);
#ifdef CONFIG_IOEXPANDER_MULTIPIN
CODE int (*ioe_multiwritepin)(FAR struct ioexpander_dev_s *dev,
uint8_t *pins, bool *values, int count);
FAR uint8_t *pins, FAR bool *values,
int count);
CODE int (*ioe_multireadpin)(FAR struct ioexpander_dev_s *dev,
uint8_t *pins, bool *values, int count);
FAR uint8_t *pins, FAR bool *values,
int count);
CODE int (*ioe_multireadbuf)(FAR struct ioexpander_dev_s *dev,
uint8_t *pins, bool *values, int count);
FAR uint8_t *pins, FAR bool *values,
int count);
#endif
#ifdef CONFIG_IOEXPANDER_INT_ENABLE
CODE FAR void *(*ioe_attach)(FAR struct ioexpander_dev_s *dev,