diff options
Diffstat (limited to 'nuttx/arch/arm/src/tiva/tiva_timer.h')
| -rw-r--r-- | nuttx/arch/arm/src/tiva/tiva_timer.h | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/nuttx/arch/arm/src/tiva/tiva_timer.h b/nuttx/arch/arm/src/tiva/tiva_timer.h index d2d270f9d..c7392c846 100644 --- a/nuttx/arch/arm/src/tiva/tiva_timer.h +++ b/nuttx/arch/arm/src/tiva/tiva_timer.h @@ -85,10 +85,13 @@ #define TIMER_SYNC(n) (1 << (n)) -/* Identifies timer A and timer B */ +/* Identifies 16-bit timer A and timer B. In most cases, the 32-bit timer + * is equivalent to timer a. + */ -#define TIMER_A 0 -#define TIMER_B 1 +#define TIMER32 0 +#define TIMER16A 0 +#define TIMER16B 1 /**************************************************************************** * Public Types @@ -117,11 +120,23 @@ enum tiva_timer16mode_e TIMER16_MODE_PWM /* 16-bit PWM output mode w/8-bit prescaler */ }; +/* This type represents the opaque handler returned by tiva_gptm_configure() */ + +typedef FAR void *TIMER_HANDLE; + +/* This type describes the 32-bit timer interrupt handler */ + +struct tiva_gptm32config_s; +typedef void (*timer32_handler_t)(TIMER_HANDLE handle, + const struct tiva_gptm32config_s *config); + /* This structure describes the configuration of one 32-bit timer */ struct tiva_timer32config_s { bool down; /* False: Count up; True: Count down */ + timer32_handler_t handler; /* Non-NULL: Interrupts will be enabled + * and forwarded to this function */ /* TODO: Add fields to support ADC trigger events */ /* Mode-specific parameters */ @@ -143,12 +158,21 @@ struct tiva_timer32config_s } u; }; +/* This type describes the 16-bit timer interrupt handler */ + +struct tiva_gptm16config_s; +typedef void (*timer16_handler_t)(TIMER_HANDLE handle, + const struct tiva_gptm16config_s *config, + int tmndx); + /* This structure describes the configuration of one 16-bit timer A/B */ struct tiva_timer16config_s { uint8_t mode; /* See enum tiva_timermode_e */ bool down; /* False: Count up; True: Count down */ + timer16_handler_t handler; /* Non-NULL: Interrupts will be enabled + * and forwarded to this function */ /* TODO: Add fields to support ADC trigger events */ /* Mode-specific parameters */ @@ -212,10 +236,6 @@ struct tiva_gptm16config_s struct tiva_timer16config_s config[2]; }; -/* This type represents the opaque handler returned by tiva_gptm_configure() */ - -typedef FAR void *TIMER_HANDLE; - /**************************************************************************** * Public Data ****************************************************************************/ |