/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file hal_icu.h
* @brief ICU Driver macros and structures.
*
* @addtogroup ICU
* @{
*/
#ifndef HAL_ICU_H
#define HAL_ICU_H
#if (HAL_USE_ICU == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Driver state machine possible states.
*/
typedef enum {
ICU_UNINIT = 0, /**< Not initialized. */
ICU_STOP = 1, /**< Stopped. */
ICU_READY = 2, /**< Ready. */
ICU_WAITING = 3, /**< Waiting for first front. */
ICU_ACTIVE = 4 /**< First front detected. */
} icustate_t;
/**
* @brief Type of a structure representing an ICU driver.
*/
typedef struct ICUDriver ICUDriver;
/**
* @brief ICU notification callback type.
*
* @param[in] icup pointer to a @p ICUDriver object
*/
typedef void (*icucallback_t)(ICUDriver *icup);
#include "hal_icu_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Macro Functions
* @{
*/
/**
* @brief Starts the input capture.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @iclass
*/
#define icuStartCaptureI(icup) do { \
icu_lld_start_capture(icup); \
(icup)->state = ICU_WAITING; \
} while (false)
/**
* @brief Stops the input capture.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @iclass
*/
#define icuStopCaptureI(icup) do { \
icu_lld_stop_capture(icup); \
(icup)->state = ICU_READY; \
} while (false)
/**
* @brief Enables notifications.
* @pre The ICU unit must have been activated using @p icuStart() and the
* capture started using @p icuStartCapture().
* @note If the notification is already enabled then the call has no effect.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @iclass
*/
#define icuEnableNotificationsI(icup) icu_lld_enable_notifications(icup)
/**
* @brief Disables notifications.
* @pre The ICU unit must have been activated using @p icuStart() and the
* capture started using @p icuStartCapture().
* @note If the notification is already disabled then the call has no effect.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @iclass
*/
#define icuDisableNotificationsI(icup) icu_lld_disable_notifications(icup)
/**
* @brief Check on notifications status.
*
* @param[in] icup pointer to the @p ICUDriver object
* @return The notifications status.
* @retval false if notifications are not enabled.
* @retval true if notifications are enabled.
*
* @notapi
*/
#define icuAreNotificationsEnabledX(icup) \
icu_lld_are_notifications_enabled(icup)
/**
* @brief Returns the width of the latest pulse.
* @details The pulse width is defined as number of ticks between the start
* edge and the stop edge.
* @note This function is meant to be invoked from the width capture
* callback.
*
* @param[in] icup pointer to the @p ICUDriver object
* @return The number of ticks.
*
* @xclass
*/
#define icuGetWidthX(icup) icu_lld_get_width(icup)
/**
* @brief Returns the width of the latest cycle.
* @details The cycle width is defined as number of ticks between a start
* edge and the next start edge.
* @note This function is meant to be invoked from the width capture
* callback.
*
* @param[in] icup pointer to the @p ICUDriver object
* @return The number of ticks.
*
* @xclass
*/
#define icuGetPeriodX(icup) icu_lld_get_period(icup)
/** @} */
/**
* @name Low level driver helper macros
* @{
*/
/**
* @brief Common ISR code, ICU width event.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
#define _icu_isr_invoke_width_cb(icup) do { \
if (((icup)->state == ICU_ACTIVE) && \
((icup)->config->width_cb != NULL)) \
(icup)->config->width_cb(icup); \
} while (0)
/**
* @brief Common ISR code, ICU period event.
* @note A period event brings the driver into the @p ICU_ACTIVE state.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
#define _icu_isr_invoke_period_cb(icup) do { \
if (((icup)->state == ICU_ACTIVE) && \
((icup)->config->period_cb != NULL)) \
(icup)->config->period_cb(icup); \
(icup)->state = ICU_ACTIVE; \
} while (0)
/**
* @brief Common ISR code, ICU timer overflow event.
* @note An overflow always brings the driver back to the @p ICU_WAITING
* state.
*
* @param[in] icup pointer to the @p ICUDriver object
*
* @notapi
*/
#define _icu_isr_invoke_overflow_cb(icup) do { \
(icup)->config->overflow_cb(icup); \
(icup)->state = ICU_WAITING; \
} while (0)
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void icuInit(void);
void icuObjectInit(ICUDriver *icup);
void icuStart(ICUDriver *icup, const ICUConfig *config);
void icuStop(ICUDriver *icup);
void icuStartCapture(ICUDriver *icup);
bool icuWaitCapture(ICUDriver *icup);
void icuStopCapture(ICUDriver *icup);
void icuEnableNotifications(ICUDriver *icup);
void icuDisableNotifications(ICUDriver *icup);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_ICU == TRUE */
#endif /* HAL_ICU_H */
/** @} */
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# group `send_functions` {#group__send__functions}
These are the functions you use to send midi data through a device.
## Summary
Members | Descriptions
--------------------------------|---------------------------------------------
`public void `[`midi_send_cc`](#group__send__functions_1gaaf884811c92df405ca8fe1a00082f960)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t val)` | Send a control change message (cc) via the given device.
`public void `[`midi_send_noteon`](#group__send__functions_1ga467bcf46dbf03ec269ce565b46bc2775)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` | Send a note on message via the given device.
`public void `[`midi_send_noteoff`](#group__send__functions_1gaedb7d8805425eef5d47d57ddcb4c7a49)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` | Send a note off message via the given device.
`public void `[`midi_send_aftertouch`](#group__send__functions_1ga0014847571317a0e34b2ef46a6bc584f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t note_num,uint8_t amt)` | Send an after touch message via the given device.
`public void `[`midi_send_pitchbend`](#group__send__functions_1gae5a4a1e71611e7534be80af9ce3d3491)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,int16_t amt)` | Send a pitch bend message via the given device.
`public void `[`midi_send_programchange`](#group__send__functions_1ga7b15588ef25e5e1ff09c2afc3151ce86)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num)` | Send a program change message via the given device.
`public void `[`midi_send_channelpressure`](#group__send__functions_1gaf23e69fdf812e89c0036f51f88ab2e1b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t amt)` | Send a channel pressure message via the given device.
`public void `[`midi_send_clock`](#group__send__functions_1ga4e1b11a7cdb0875f6e03ce7c79c581aa)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a clock message via the given device.
`public void `[`midi_send_tick`](#group__send__functions_1ga2b43c7d433d940c5b907595aac947972)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a tick message via the given device.
`public void `[`midi_send_start`](#group__send__functions_1ga1569749a8d58ccc56789289d7c7245cc)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a start message via the given device.
`public void `[`midi_send_continue`](#group__send__functions_1gaed5dc29d754a27372e89ab8bc20ee120)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a continue message via the given device.
`public void `[`midi_send_stop`](#group__send__functions_1ga026e1a620276cb653ac501aa0d12a988)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a stop message via the given device.
`public void `[`midi_send_activesense`](#group__send__functions_1ga9b6e4c6ce4719d2604187b325620db37)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send an active sense message via the given device.
`public void `[`midi_send_reset`](#group__send__functions_1ga3671e39a6d93ca9568fc493001af1b1b)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a reset message via the given device.
`public void `[`midi_send_tcquarterframe`](#group__send__functions_1ga5b85639910eec280bb744c934d0fd45a)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t time)` | Send a tc quarter frame message via the given device.
`public void `[`midi_send_songposition`](#group__send__functions_1gab1c9eeef3b57a8cd2e6128d18e85eb7f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t pos)` | Send a song position message via the given device.
`public void `[`midi_send_songselect`](#group__send__functions_1ga42de7838ba70d949af9a50f9facc3c50)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t song)` | Send a song select message via the given device.
`public void `[`midi_send_tunerequest`](#group__send__functions_1ga8db6c7e04d48e4d2266dd59118ca0656)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a tune request message via the given device.
`public void `[`midi_send_byte`](#group__send__functions_1ga857e85eb90b288385642d4d991e09881)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t b)` | Send a byte via the given device.
`public void `[`midi_send_data`](#group__send__functions_1ga36e2f2e45369d911b76969361679054b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t byte0,uint8_t byte1,uint8_t byte2)` | Send up to 3 bytes of data.
`public void `[`midi_send_array`](#group__send__functions_1ga245243cb1da18d2cea18d4b18d846ead)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t * array)` | Send an array of formatted midi data.
## Members
#### `public void `[`midi_send_cc`](#group__send__functions_1gaaf884811c92df405ca8fe1a00082f960)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t val)` {#group__send__functions_1gaaf884811c92df405ca8fe1a00082f960}
Send a control change message (cc) via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the cc num
* `val` the value of that cc num
#### `public void `[`midi_send_noteon`](#group__send__functions_1ga467bcf46dbf03ec269ce565b46bc2775)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` {#group__send__functions_1ga467bcf46dbf03ec269ce565b46bc2775}
Send a note on message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the note number
* `vel` the note velocity
#### `public void `[`midi_send_noteoff`](#group__send__functions_1gaedb7d8805425eef5d47d57ddcb4c7a49)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` {#group__send__functions_1gaedb7d8805425eef5d47d57ddcb4c7a49}
Send a note off message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the note number
* `vel` the note velocity
#### `public void `[`midi_send_aftertouch`](#group__send__functions_1ga0014847571317a0e34b2ef46a6bc584f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t note_num,uint8_t amt)` {#group__send__functions_1ga0014847571317a0e34b2ef46a6bc584f}
Send an after touch message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `note_num` the note number
* `amt` the after touch amount
#### `public void `[`midi_send_pitchbend`](#group__send__functions_1gae5a4a1e71611e7534be80af9ce3d3491)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,int16_t amt)` {#group__send__functions_1gae5a4a1e71611e7534be80af9ce3d3491}
Send a pitch bend message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `amt` the bend amount range: -8192..8191, 0 means no bend
#### `public void `[`midi_send_programchange`](#group__send__functions_1ga7b15588ef25e5e1ff09c2afc3151ce86)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num)` {#group__send__functions_1ga7b15588ef25e5e1ff09c2afc3151ce86}
Send a program change message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the program to change to
#### `public void `[`midi_send_channelpressure`](#group__send__functions_1gaf23e69fdf812e89c0036f51f88ab2e1b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t amt)` {#group__send__functions_1gaf23e69fdf812e89c0036f51f88ab2e1b}
Send a channel pressure message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `amt` the amount of channel pressure
#### `public void `[`midi_send_clock`](#group__send__functions_1ga4e1b11a7cdb0875f6e03ce7c79c581aa)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga4e1b11a7cdb0875f6e03ce7c79c581aa}
Send a clock message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_tick`](#group__send__functions_1ga2b43c7d433d940c5b907595aac947972)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga2b43c7d433d940c5b907595aac947972}
Send a tick message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_start`](#group__send__functions_1ga1569749a8d58ccc56789289d7c7245cc)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga1569749a8d58ccc56789289d7c7245cc}
Send a start message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_continue`](#group__send__functions_1gaed5dc29d754a27372e89ab8bc20ee120)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1gaed5dc29d754a27372e89ab8bc20ee120}
Send a continue message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_stop`](#group__send__functions_1ga026e1a620276cb653ac501aa0d12a988)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga026e1a620276cb653ac501aa0d12a988}
Send a stop message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_activesense`](#group__send__functions_1ga9b6e4c6ce4719d2604187b325620db37)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga9b6e4c6ce4719d2604187b325620db37}
Send an active sense message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_reset`](#group__send__functions_1ga3671e39a6d93ca9568fc493001af1b1b)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga3671e39a6d93ca9568fc493001af1b1b}
Send a reset message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_tcquarterframe`](#group__send__functions_1ga5b85639910eec280bb744c934d0fd45a)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t time)` {#group__send__functions_1ga5b85639910eec280bb744c934d0fd45a}
Send a tc quarter frame message via the given device.
#### Parameters
* `device` the device to use for sending
* `time` the time of this quarter frame, range 0..16383
#### `public void `[`midi_send_songposition`](#group__send__functions_1gab1c9eeef3b57a8cd2e6128d18e85eb7f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t pos)` {#group__send__functions_1gab1c9eeef3b57a8cd2e6128d18e85eb7f}
Send a song position message via the given device.
#### Parameters
* `device` the device to use for sending
* `pos` the song position
#### `public void `[`midi_send_songselect`](#group__send__functions_1ga42de7838ba70d949af9a50f9facc3c50)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t song)` {#group__send__functions_1ga42de7838ba70d949af9a50f9facc3c50}
Send a song select message via the given device.
#### Parameters
* `device` the device to use for sending
* `song` the song to select
#### `public void `[`midi_send_tunerequest`](#group__send__functions_1ga8db6c7e04d48e4d2266dd59118ca0656)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga8db6c7e04d48e4d2266dd59118ca0656}
Send a tune request message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_byte`](#group__send__functions_1ga857e85eb90b288385642d4d991e09881)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t b)` {#group__send__functions_1ga857e85eb90b288385642d4d991e09881}
Send a byte via the given device.
This is a generic method for sending data via the given midi device. This would be useful for sending sysex data or messages that are not implemented in this API, if there are any. Please contact the author if you find some so we can add them.
#### Parameters
* `device` the device to use for sending
* `b` the byte to send
#### `public void `[`midi_send_data`](#group__send__functions_1ga36e2f2e45369d911b76969361679054b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t byte0,uint8_t byte1,uint8_t byte2)` {#group__send__functions_1ga36e2f2e45369d911b76969361679054b}
Send up to 3 bytes of data.
% 4 is applied to count so that you can use this to pass sysex through
#### Parameters
* `device` the device to use for sending
* `count` the count of bytes to send, %4 is applied
* `byte0` the first byte
* `byte1` the second byte, ignored if cnt % 4 != 2
* `byte2` the third byte, ignored if cnt % 4 != 3
#### `public void `[`midi_send_array`](#group__send__functions_1ga245243cb1da18d2cea18d4b18d846ead)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t * array)` {#group__send__functions_1ga245243cb1da18d2cea18d4b18d846ead}
Send an array of formatted midi data.
Can be used for sysex.
#### Parameters
* `device` the device to use for sending
* `count` the count of bytes to send
* `array` the array of bytes
|