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94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/*
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* Copyright (C) 2022 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_cst816s
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* @{
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*
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* @file
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* @brief Driver adaption to touch_dev generic interface
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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* @}
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include <errno.h>
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#include <assert.h>
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#include "kernel_defines.h"
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#include "board.h"
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#include "cst816s.h"
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#include "cst816s_touch_dev.h"
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#define ENABLE_DEBUG 0
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#include "debug.h"
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#ifndef CST816S_XMAX
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#define CST816S_XMAX 240
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#endif
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#ifndef CST816S_YMAX
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#define CST816S_YMAX 240
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#endif
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uint16_t _cst816s_height(const touch_dev_t *touch_dev)
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{
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const cst816s_t *dev = (const cst816s_t *)touch_dev;
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assert(dev);
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return CST816S_YMAX;
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}
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uint16_t _cst816s_width(const touch_dev_t *touch_dev)
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{
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const cst816s_t *dev = (const cst816s_t *)touch_dev;
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assert(dev);
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return CST816S_XMAX;
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}
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uint8_t _cst816s_touches(const touch_dev_t *touch_dev, touch_t *touches, size_t len)
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{
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(void)len;
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cst816s_t *dev = (cst816s_t *)touch_dev;
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assert(dev);
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cst816s_touch_data_t data;
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cst816s_read(dev, &data);
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uint8_t ret = (data.action == CST816S_TOUCH_DOWN);
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if (ret && touches != NULL) {
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touches[0].x = data.x;
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touches[0].y = data.y;
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DEBUG("X: %i, Y: %i\n", touches[0].x, touches[0].y);
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}
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return ret;
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}
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void _cst816s_set_event_callback(const touch_dev_t *touch_dev, touch_event_cb_t cb, void *arg)
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{
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cst816s_t *dev = (cst816s_t *)touch_dev;
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assert(dev);
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dev->cb = (cst816s_irq_cb_t)cb;
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dev->cb_arg = arg;
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}
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const touch_dev_driver_t cst816s_touch_dev_driver = {
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.height = _cst816s_height,
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.width = _cst816s_width,
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.touches = _cst816s_touches,
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.set_event_callback = _cst816s_set_event_callback,
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};
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