115 lines
4.5 KiB
C
115 lines
4.5 KiB
C
//*****************************************************************************
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//
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//! @file am_devices_led.h
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//!
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//! @brief Functions for controlling an array of LEDs
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//!
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//! @addtogroup devices External Device Control Library
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//! @addtogroup LED SPI Device Control for programmable LEDs.
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//! @ingroup devices
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//! @{
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// Copyright (c) 2020, Ambiq Micro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// Third party software included in this distribution is subject to the
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// additional license terms as defined in the /docs/licenses directory.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.4.2 of the AmbiqSuite Development Package.
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//
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//*****************************************************************************
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#ifndef AM_DEVICES_LED_H
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#define AM_DEVICES_LED_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// LED polarity macros
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//
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//*****************************************************************************
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#define AM_DEVICES_LED_POL_POLARITY_M 0x1
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#define AM_DEVICES_LED_ON_HIGH 0x1
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#define AM_DEVICES_LED_ON_LOW 0x0
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//*****************************************************************************
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//
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// LED direct drive indicator macro
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// Or this in with the polarity value to use the GPIO DATA register instead of
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// the GPIO DATA ENABLE register to directly drive an LED buffer.
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//
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//*****************************************************************************
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#define AM_DEVICES_LED_POL_DIRECT_DRIVE_M 0x2
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//*****************************************************************************
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//
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// Structure for keeping track of LEDs
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//
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//*****************************************************************************
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typedef struct
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{
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uint32_t ui32GPIONumber;
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uint32_t ui32Polarity;
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}
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am_devices_led_t;
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//*****************************************************************************
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//
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// External function definitions
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//
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//*****************************************************************************
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extern void am_devices_led_init(am_devices_led_t *psLED);
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extern void am_devices_led_array_init(am_devices_led_t *psLEDs, uint32_t ui32NumLEDs);
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extern void am_devices_led_array_disable(am_devices_led_t *psLEDs, uint32_t ui32NumLEDs);
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extern void am_devices_led_on(am_devices_led_t *psLEDs, uint32_t ui32LEDNum);
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extern void am_devices_led_off(am_devices_led_t *psLEDs, uint32_t ui32LEDNum);
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extern void am_devices_led_toggle(am_devices_led_t *psLEDs, uint32_t ui32LEDNum);
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extern bool am_devices_led_get(am_devices_led_t *psLEDs, uint32_t ui32LEDNum);
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extern void am_devices_led_array_out(am_devices_led_t *psLEDs, uint32_t ui32NumLEDs,
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uint32_t ui32Value);
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#ifdef __cplusplus
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}
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#endif
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#endif // AM_DEVICES_LED_H
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//*****************************************************************************
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//
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// End Doxygen group.
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//! @}
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//
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//*****************************************************************************
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