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https://github.com/eclipse/upm.git
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TTP223: Adding C source
Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>
This commit is contained in:
parent
8c4b5333d5
commit
09b1bb9a60
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set (libname "ttp223")
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set (libdescription "upm ttp223")
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set (module_src ${libname}.cxx)
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set (module_hpp ${libname}.hpp)
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upm_module_init()
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upm_mixed_module_init (NAME ttp223
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DESCRIPTION "upm ttp223 touch sensor module"
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C_HDR ttp223.h
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C_SRC ttp223.c
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CPP_HDR ttp223.hpp
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CPP_SRC ttp223.cxx
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FTI_SRC ttp223_fti.c
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CPP_WRAPS_C
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REQUIRES libmraa)
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80
src/ttp223/ttp223.c
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80
src/ttp223/ttp223.c
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/*
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* Author: Sarah Knepper <sarah.knepper@intel.com>
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* Abhishek Malik <abhishek.malik@intel.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "ttp223.h"
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ttp223_context ttp223_init(int pin){
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ttp223_context dev =
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(ttp223_context) malloc(sizeof(struct _ttp223_context));
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if (dev == NULL) {
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printf("Unable to allocate space for the sensor struct\n");
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return NULL;
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}
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dev->gpio_pin = pin;
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dev->gpio = mraa_gpio_init(dev->gpio_pin);
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mraa_gpio_dir(dev->gpio, MRAA_GPIO_IN);
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dev->isr_installed = false;
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return dev;
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}
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void ttp223_close(ttp223_context dev){
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mraa_gpio_close(dev->gpio);
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free(dev);
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}
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upm_result_t ttp223_is_pressed(ttp223_context dev, bool* value) {
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int ret = mraa_gpio_read(dev->gpio);
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if (ret > 0)
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*value = true;
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else
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*value = false;
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return UPM_SUCCESS;
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}
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upm_result_t upm_ttp223_install_isr(ttp223_context dev,
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mraa_gpio_edge_t edge_level,
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void (*isr)(void *), void *arg){
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ttp223_uninstall_isr(dev);
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mraa_gpio_isr(dev->gpio, edge_level, isr, arg);
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dev->isr_installed = true;
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return UPM_SUCCESS;
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}
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upm_result_t ttp223_uninstall_isr(ttp223_context dev){
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if (dev->isr_installed)
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mraa_gpio_isr_exit(dev->gpio);
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dev->isr_installed = false;
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return UPM_SUCCESS;
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}
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81
src/ttp223/ttp223.h
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81
src/ttp223/ttp223.h
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@ -0,0 +1,81 @@
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/*
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* Author: Sarah Knepper <sarah.knepper@intel.com>
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* Abhishek Malik <abhishek.malik@intel.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef TTP223_H_
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#define TTP223_H_
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "upm.h"
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#include "mraa/gpio.h"
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/**
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* device context
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*/
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typedef struct _ttp223_context {
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mraa_gpio_context gpio;
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uint8_t gpio_pin;
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bool isr_installed;
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} *ttp223_context;
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/**
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* Sensor Init function
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*
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* @param pin The pin number the sensor is attached to
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* @return void* pointer to the sensor struct
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*/
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ttp223_context ttp223_init(int pin);
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/**
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* Sensor Module close function
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*
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* @param dev pointer to the sensor struct
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*/
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void ttp223_close(ttp223_context dev);
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/**
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* Function to tell if the sensor is pressed
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*
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* @param dev pointer to the sensor struct
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* @param value pointer to store whether the sensor is pressed or not
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* @result upm_result_t UPM success/error code
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*/
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upm_result_t ttp223_is_pressed(ttp223_context dev, bool* value);
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/**
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*
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*/
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upm_result_t ttp223_install_isr(ttp223_context dev,
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mraa_gpio_edge_t edge_level,
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void (*isr)(void *), void *arg);
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/**
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*
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*/
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upm_result_t ttp223_uninstall_isr(ttp223_context);
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#endif /* TTP223_H_ */
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93
src/ttp223/ttp223_fti.c
Normal file
93
src/ttp223/ttp223_fti.c
Normal file
@ -0,0 +1,93 @@
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/*
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* Author: Sarah Knepper <sarah.knepper@intel.com>
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* Abhishek Malik <abhishek.malik@intel.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
|
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "ttp223.h"
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#include "upm_fti.h"
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/**
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* This file implements the Function Table Interface (FTI) for this sensor
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*/
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const char upm_ttp223_name[] = "TTP223";
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const char upm_ttp223_description[] = "TTP223 Touch Detector Sensor";
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const upm_protocol_t upm_ttp223_protocol[] = {UPM_GPIO};
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const upm_sensor_t upm_ttp223_category[] = {UPM_SWITCH};
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// forward declarations
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const upm_sensor_descriptor_t upm_ttp223_get_descriptor();
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const void* upm_ttp223_get_ft(upm_sensor_t sensor_type);
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void* upm_ttp223_init_name();
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void upm_ttp223_close(void* dev);
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upm_result_t upm_ttp223_is_pressed(void* dev, bool* value, int num);
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const upm_sensor_descriptor_t upm_ttp223_get_descriptor(){
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upm_sensor_descriptor_t usd;
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usd.name = upm_ttp223_name;
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usd.description = upm_ttp223_description;
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usd.protocol_size = 1;
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usd.protocol = upm_ttp223_protocol;
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usd.category_size = 1;
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usd.category = upm_ttp223_category;
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return usd;
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}
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static const upm_sensor_ft ft =
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{
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.upm_sensor_init_name = &upm_ttp223_init_name,
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.upm_sensor_close = &upm_ttp223_close,
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.upm_sensor_get_descriptor = &upm_ttp223_get_descriptor
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};
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static const upm_switch_ft sft =
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{
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.upm_switch_get_value = &upm_ttp223_is_pressed
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};
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const void* upm_ttp223_get_ft(upm_sensor_t sensor_type){
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if(sensor_type == UPM_SWITCH){
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return &sft;
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}
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else if(sensor_type == UPM_SENSOR){
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return &ft;
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}
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return NULL;
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}
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void* upm_ttp223_init_name(){
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return NULL;
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}
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void upm_ttp223_close(void* dev){
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ttp223_close((ttp223_context)dev);
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}
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upm_result_t upm_ttp223_is_pressed(void* dev, bool* value, int num) {
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if(num != 1){
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printf("Sorry this sensor driver supports only one touch pad\n");
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return UPM_ERROR_OUT_OF_RANGE;
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}
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return ttp223_is_pressed((ttp223_context)dev, value);
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}
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