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