diff options
Diffstat (limited to 'nuttx/arch/arm/src/sama5/sam_touchscreen.h')
-rw-r--r-- | nuttx/arch/arm/src/sama5/sam_touchscreen.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/sama5/sam_touchscreen.h b/nuttx/arch/arm/src/sama5/sam_touchscreen.h new file mode 100644 index 000000000..8a68f2206 --- /dev/null +++ b/nuttx/arch/arm/src/sama5/sam_touchscreen.h @@ -0,0 +1,117 @@ +/**************************************************************************** + * arch/arm/src/sama5/sam_adc.h + * + * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 OWNER 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. + * + ****************************************************************************/ + +#ifndef __ARCH_ARM_SRC_SAMA5_SAM_ADC_H +#define __ARCH_ARM_SRC_SAMA5_SAM_ADC_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include "chip/sam_adc.h" + +#if defined(CONFIG_SAMA5_ADC) && defined(CONFIG_SAMA5_TOUCHSCREEN) + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: sam_tsd_register + * + * Description: + * Configure the SAMA5 touchscreen. This will register the driver as + * /dev/inputN where N is the minor device number + * + * Input Parameters: + * minor - The input device minor number + * + * Returned Value: + * Zero is returned on success. Otherwise, a negated errno value is + * returned to indicate the nature of the failure. + * + ****************************************************************************/ + +int sam_tsd_register(int minor); + +/**************************************************************************** + * Interfaces exported from the touchscreen to the ADC driver + ****************************************************************************/ +/**************************************************************************** + * Name: sam_tsd_interrupt + * + * Description: + * Handles ADC interrupts associated with touchscreen channels + * + * Input parmeters: + * None + * + * Returned Value: + * None + * + ****************************************************************************/ + +void sam_tsd_interrupt(void); + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* CONFIG_SAMA5_ADC && CONFIG_SAMA5_TOUCHSCREEN */ +#endif /* __ARCH_ARM_SRC_SAMA5_SAM_ADC_H */ |