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ioexpander: define IOEXPANDER_OPTION_NONGENERIC option

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This introduces non-generic option interface for IO expanders.
Some IO expanders have more advance options for pins and communication.
This is used to pass driver dependend structure to expander driver.

Signed-off-by: Michal Lenc <michallenc@seznam.cz>
This commit is contained in:
Michal Lenc
2023-08-04 05:54:24 -07:00
committed by Xiang Xiao
parent 5e3df24092
commit a5fb83a5d3
1 changed files with 19 additions and 13 deletions
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include/nuttx/ioexpander/ioexpander.h
+19 -13
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@@ -55,21 +55,27 @@
/* 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_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 */
#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 */
#define IOEXPANDER_OPTION_LEDCFG 3 /* Assign LED number to a pin */
#define IOEXPANDER_OPTION_LEDCFG 3 /* Assign LED number to a pin */
#define IOEXPANDER_OPTION_NONGENERIC 4 /* Non generic option interface. Some
* IO expanders have more advance
* options for pins and communication.
* This is used to pass driver dependend
* structure to expander driver.
*/
/* Access macros ************************************************************/