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181 lines
7.4 KiB
181 lines
7.4 KiB
/*******************************************************************************
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*
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* structure.c
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*
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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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
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 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
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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******************************************************************************/
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//******************************************************************************
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// structure.c
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//
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// 4 elements configured as a wheel.
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// 1 element configured as a button. [Center Button]
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// 1 element configured as a proximity sensor.
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// This file contains the structure names and the variable assingments.
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//
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// Revision 1.00 Baseline
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// Developed with IAR 5.10.4 [Kickstart] (5.10.4.30168)
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//
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// 09/24/10 Rev1.00 Pre-Alpha Version. Added "max_cnts" slider variable in
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// CT_Handler object.
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//
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// 09/29/10 0.02 Update naming convention for elements and sensors.
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//
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// 10/11/10 0.03 Update
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//
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//******************************************************************************
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#include "structure.h"
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//PinOsc Volume down P2.2
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const struct Element volume_down = {
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.inputPxselRegister = (uint8_t *)&P2SEL,
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.inputPxsel2Register = (uint8_t *)&P2SEL2,
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.inputBits = BIT2,
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// measured for a 1Mhz SMCLK
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.maxResponse = 121+655, // actual measure was 980
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.threshold = 121
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};
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//PinOsc forward right P2.3
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const struct Element right = {
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.inputPxselRegister = (uint8_t *)&P2SEL,
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.inputPxsel2Register = (uint8_t *)&P2SEL2,
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.inputBits = BIT3,
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// 1Mhz SMCLK
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.maxResponse = 113+655,
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.threshold = 113
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};
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//PinOsc Volume up, P2.4
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const struct Element volume_up = {
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.inputPxselRegister = (uint8_t *)&P2SEL,
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.inputPxsel2Register = (uint8_t *)&P2SEL2,
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.inputBits = BIT4,
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// 1Mhz SMCLK
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.maxResponse = 118+655,
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.threshold = 118
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};
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//PinOsc reverse left P2.1
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const struct Element left = {
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.inputPxselRegister = (uint8_t *)&P2SEL,
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.inputPxsel2Register = (uint8_t *)&P2SEL2,
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.inputBits = BIT1,
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// 1Mhz SMCLK
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.maxResponse = 111+655,
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.threshold = 111
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};
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//PinOsc Wheel: middle button P2.5
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const struct Element middle_element = {
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.inputPxselRegister = (uint8_t *)&P2SEL,
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.inputPxsel2Register = (uint8_t *)&P2SEL2,
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.inputBits = BIT5,
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// When using an abstracted function to measure the element
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// the 100*(maxResponse - threshold) < 0xFFFF
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// ie maxResponse - threshold < 655
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.maxResponse = 350+655,
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.threshold = 350
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};
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//PinOsc proximity: P2.0
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const struct Element proximity_element = {
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.inputPxselRegister = (uint8_t *)&P2SEL,
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.inputPxsel2Register = (uint8_t *)&P2SEL2,
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.inputBits = BIT0,
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.maxResponse = 200,
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.threshold = 130
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};
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//*** CAP TOUCH HANDLER *******************************************************/
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// This defines the grouping of sensors, the method to measure change in
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// capacitance, and the function of the group
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const struct Sensor wheel =
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{
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//.halDefinition = fRO_PINOSC_TA0_SW,
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.halDefinition = RO_PINOSC_TA0_WDTp,
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.numElements = 4,
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.points = 64,
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.sensorThreshold = 75,
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.baseOffset = 0,
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// Pointer to elements
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.arrayPtr[0] = &volume_up, // point to first element
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.arrayPtr[1] = &right,
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.arrayPtr[2] = &volume_down,
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.arrayPtr[3] = &left,
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// Timer Information
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//.measGateSource= GATE_WDT_SMCLK, // 0->SMCLK, 1-> ACLK
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//.accumulationCycles= WDTp_GATE_32768 //32768
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.accumulationCycles= WDTp_GATE_8192 // 8192
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//.accumulationCycles= WDTp_GATE_512 //512
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//.accumulationCycles= WDTp_GATE_64 //64
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//.accumulationCycles = 32
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};
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const struct Sensor middle_button =
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{
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.halDefinition = RO_PINOSC_TA0_WDTp,
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.numElements = 1,
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.baseOffset = 4,
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// Pointer to elements
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.arrayPtr[0] = &middle_element, // point to first element
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// Timer Information
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.measGateSource= GATE_WDT_SMCLK, // 0->SMCLK, 1-> ACLK
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//.accumulationCycles= WDTp_GATE_32768 //32768
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.accumulationCycles= WDTp_GATE_8192 // 8192
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//.accumulationCycles= WDTp_GATE_512 //512
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//.accumulationCycles= WDTp_GATE_64 //64
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};
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const struct Sensor proximity_sensor =
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{
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.halDefinition = RO_PINOSC_TA0_WDTp,
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.numElements = 1,
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.baseOffset = 5,
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// Pointer to elements
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.arrayPtr[0] = &proximity_element, // point to first element
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// Timer Information
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.measGateSource= GATE_WDT_SMCLK, // 0->SMCLK, 1-> ACLK
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//.accumulationCycles= WDTp_GATE_32768 //32768
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.accumulationCycles= WDTp_GATE_8192 // 8192
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//.accumulationCycles= WDTp_GATE_512 //512
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//.accumulationCycles= WDTp_GATE_64 //64
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};
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