1.将A27新UI文件夹重命名为CANUI 2.A272O新版本发布
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#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#include "FreeRTOS.h"
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#include "chip.h"
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#include "board.h"
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#include "keypad.h"
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#if !defined(VG_ONLY) && !defined(AWTK)
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#include "lvgl/lvgl.h"
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#else
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typedef int16_t lv_coord_t;
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typedef uint8_t lv_indev_state_t;
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typedef struct {
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lv_coord_t x;
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lv_coord_t y;
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} lv_point_t;
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enum { LV_INDEV_STATE_REL = 0, LV_INDEV_STATE_PR };
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enum {
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LV_KEY_UP = 17, /*0x11*/
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LV_KEY_DOWN = 18, /*0x12*/
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LV_KEY_RIGHT = 19, /*0x13*/
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LV_KEY_LEFT = 20, /*0x14*/
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LV_KEY_ESC = 27, /*0x1B*/
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LV_KEY_DEL = 127, /*0x7F*/
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LV_KEY_BACKSPACE = 8, /*0x08*/
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LV_KEY_ENTER = 10, /*0x0A, '\n'*/
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LV_KEY_NEXT = 9, /*0x09, '\t'*/
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LV_KEY_PREV = 11, /*0x0B, '*/
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LV_KEY_HOME = 2, /*0x02, STX*/
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LV_KEY_END = 3, /*0x03, ETX*/
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};
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typedef struct {
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lv_point_t point; /**< For LV_INDEV_TYPE_POINTER the currently pressed point*/
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uint32_t key; /**< For LV_INDEV_TYPE_KEYPAD the currently pressed key*/
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uint32_t btn_id; /**< For LV_INDEV_TYPE_BUTTON the currently pressed button*/
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int16_t enc_diff; /**< For LV_INDEV_TYPE_ENCODER number of steps since the previous read*/
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lv_indev_state_t state; /**< LV_INDEV_STATE_REL or LV_INDEV_STATE_PR*/
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} lv_indev_data_t;
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#endif
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#define KEYAD_1 10
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#define KEYAD_2 530
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#define KEYAD_3 1150
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#define KEYAD_4 1665
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#define KEYAD_5 2278
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#define KEYAD_6 2845
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#define KEYAD_7 3372
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#define KEYAD_NUM 7
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#define KEYAD_RANGE 10
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static int KeyAdcValue[KEYAD_NUM] =
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{
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KEYAD_1,
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KEYAD_2,
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KEYAD_3,
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KEYAD_4,
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KEYAD_5,
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KEYAD_6,
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KEYAD_7,
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};
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static unsigned int KeypadMap[KEYAD_NUM] =
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{
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LV_KEY_HOME,
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LV_KEY_ENTER,
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LV_KEY_ESC,
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LV_KEY_UP,
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LV_KEY_DOWN,
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LV_KEY_LEFT,
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LV_KEY_RIGHT,
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};
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#define NULL_KEY 0xFFFF
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#define KEY_STATE_IDLE 0
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#define KEY_STATE_START 1
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#define KEY_STATE_PRESS 2
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static UINT32 lg_ulKeyMachineState = KEY_STATE_IDLE;
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static UINT32 lg_ulLastKey = NULL_KEY;
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#define KEY_POOL_SIZE 8
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static UINT32 lg_arrKeyAvgPool[KEY_POOL_SIZE];
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static UINT32 lg_ulKeyIndex = 0;
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extern void SendKeypadInputEventFromISR(lv_indev_data_t *indata);
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static void PushKeyToAVGPool(UINT32 ulKeyValue)
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{
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if(lg_ulKeyIndex < KEY_POOL_SIZE)
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{
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lg_arrKeyAvgPool[lg_ulKeyIndex] = ulKeyValue;
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lg_ulKeyIndex++;
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}
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}
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static UINT32 AVGPoolIsFull(void)
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{
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return lg_ulKeyIndex == KEY_POOL_SIZE;
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}
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static UINT32 GetKeyAVGValue(void)
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{
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UINT32 i;
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UINT32 ulSum;
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ulSum = 0;
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for(i=0;i<lg_ulKeyIndex;i++)
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{
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ulSum += lg_arrKeyAvgPool[i];
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}
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return ulSum/lg_ulKeyIndex;
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}
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static void ResetKeyAVGPool(void)
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{
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lg_ulKeyIndex = 0;
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}
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static UINT32 CheckKey(UINT32 ulSampleValue)
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{
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UINT32 i;
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for(i = 0; i < (sizeof(KeyAdcValue) / sizeof(KeyAdcValue[0])); i++ )
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{
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if((ulSampleValue >= KeyAdcValue[i] - KEYAD_RANGE) && (ulSampleValue <= KeyAdcValue[i] + KEYAD_RANGE))
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{
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return i;
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}
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}
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return NULL_KEY;
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}
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static void SendKeyPress(UINT32 key)
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{
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lv_indev_data_t indata = {0};
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indata.key = key;
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indata.state = LV_INDEV_STATE_PR;
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SendKeypadInputEventFromISR(&indata);
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}
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static void SendKeyRelease(UINT32 key)
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{
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lv_indev_data_t indata = {0};
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indata.key = key;
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indata.state = LV_INDEV_STATE_REL;
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SendKeypadInputEventFromISR(&indata);
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}
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extern char key_value;
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void KeyEventHandler(UINT32 ulEvent, UINT32 lpParam, UINT32 wParam)
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{
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switch(lg_ulKeyMachineState)
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{
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case KEY_STATE_IDLE:
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if(ulEvent == KEY_START_EVENT)
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{
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lg_ulKeyMachineState = KEY_STATE_START;
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}
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break;
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case KEY_STATE_START:
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key_value = !key_value;
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if(ulEvent == KEY_SAMPLE_EVENT)
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{
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ResetKeyAVGPool();
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PushKeyToAVGPool(lpParam);
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lg_ulKeyMachineState = KEY_STATE_PRESS;
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}
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else if(ulEvent == KEY_STOP_EVENT)
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{
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lg_ulKeyMachineState = KEY_STATE_IDLE;
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lg_ulLastKey = NULL_KEY;
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}
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break;
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case KEY_STATE_PRESS:
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if(ulEvent == KEY_SAMPLE_EVENT)
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{
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PushKeyToAVGPool(lpParam);
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if(AVGPoolIsFull())
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{
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UINT32 ulKeySampleValue;
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UINT32 ulNewKeyCode;
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ulKeySampleValue = GetKeyAVGValue();
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ulNewKeyCode = CheckKey(ulKeySampleValue);
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ResetKeyAVGPool();
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if(ulNewKeyCode != NULL_KEY)
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{
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if(lg_ulLastKey != ulNewKeyCode && lg_ulLastKey != NULL_KEY)
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{
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lg_ulKeyMachineState = KEY_STATE_IDLE;
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//send key release event;
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SendKeyRelease(KeypadMap[lg_ulLastKey]);
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lg_ulLastKey = NULL_KEY;
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}
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else if (lg_ulLastKey == ulNewKeyCode)
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{
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//Send repeat key event;
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SendKeyPress(KeypadMap[lg_ulLastKey]);
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}
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else if (lg_ulLastKey == NULL_KEY)
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{
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//Send key press event;
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SendKeyPress(KeypadMap[ulNewKeyCode]);
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}
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lg_ulLastKey = ulNewKeyCode;
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}
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else
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{
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lg_ulKeyMachineState = KEY_STATE_IDLE;
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if(lg_ulLastKey != NULL_KEY)
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{
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//send key release event
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SendKeyRelease(KeypadMap[lg_ulLastKey]);
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lg_ulLastKey = NULL_KEY;
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}
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}
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}
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}
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else if(ulEvent == KEY_STOP_EVENT)
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{
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lg_ulKeyMachineState = KEY_STATE_IDLE;
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if(lg_ulLastKey != NULL_KEY)
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{
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//send key release event
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SendKeyRelease(KeypadMap[lg_ulLastKey]);
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lg_ulLastKey = NULL_KEY;
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}
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}
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break;
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}
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}
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void KeypadInit(void)
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{
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adc_channel_enable(ADC_CH_AUX0);
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}
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