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pikapython/example/stm32f407-Arm-2D/stm32f407-Arm-2D-block/USER/KEY/key.c

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2021-10-01 00:21:50 +08:00
#include "key.h"
/*********************************************************************************
*********************<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> STM32F407Ӧ<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)*************************
**********************************************************************************
* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: key.c *
* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD>2015.10.03 *
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>V1.0 *
* <EFBFBD><EFBFBD> <EFBFBD>ߣ<EFBFBD>Clever *
* ˵ <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ð<EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD>裬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ְ<EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD> *
**********************************************************************************<EFBFBD>B
*********************************************************************************/
/**
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ̧<EFBFBD><EFBFBD>ʱ<EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> keydown_data <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̧<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD>ص<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> keyup_data <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>key_time>ij<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ɨ<EFBFBD>躯<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ʱ<EFBFBD>䳤<EFBFBD>̣<EFBFBD>ɨ<EFBFBD>躯<EFBFBD><EFBFBD>ʱ<EFBFBD>䳤<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD>
4<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ij<EFBFBD><EFBFBD>򣬾<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD>ֵkey_tem<EFBFBD><EFBFBD>key_time
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(key_tem)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(key_time)<EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>ģʽ
1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>һֱ<EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿִ<EFBFBD><EFBFBD>һ<EFBFBD>ΰ<EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD>躯<EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ΰ<EFBFBD><EFBFBD><EFBFBD>ֵ
3<EFBFBD><EFBFBD>void key_scan(u8 mode) <EFBFBD><EFBFBD> mode 0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>̧<EFBFBD>𷵻<EFBFBD>ֵkeyup_dataʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>̧<EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD>ذ<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD>پö<EFBFBD>û<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>keyup_dataʱ<EFBFBD><EFBFBD>ģʽmode<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0
2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫkeydown_data<EFBFBD><EFBFBD>key_time<EFBFBD><EFBFBD><EFBFBD>Ϲ<EFBFBD><EFBFBD>ɳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽmode<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1<EFBFBD><EFBFBD><EFBFBD>ſ<EFBFBD><EFBFBD><EFBFBD>
3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫkeyup_data<EFBFBD><EFBFBD>key_time<EFBFBD><EFBFBD><EFBFBD>Ϲ<EFBFBD><EFBFBD>ɳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>Գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ĸĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ĩβ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> key_time=0; <EFBFBD><EFBFBD>Ϊ key_tem=0;<EFBFBD>Ϳ<EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ó<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD>䣬<EFBFBD><EFBFBD>ʱ<EFBFBD>䵽
<EFBFBD><EFBFBD><EFBFBD>Ұ<EFBFBD><EFBFBD><EFBFBD>̧<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>Ĵ<EFBFBD><EFBFBD>롣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧЧ<EFBFBD>ˣ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̧<EFBFBD><EFBFBD>û
<EFBFBD><EFBFBD>key_time<EFBFBD><EFBFBD><EFBFBD>㣬key_timeһֱ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD>Ҫ<EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>а<EFBFBD>key_time<EFBFBD><EFBFBD><EFBFBD>㡣<EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD>Ǻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ġ<EFBFBD>
**/
u8 keydown_data=0x00; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>º<EFBFBD><C2BA>ͷ<EFBFBD><CDB7>ص<EFBFBD>ֵ
u8 keyup_data=0x00; //<2F><><EFBFBD><EFBFBD>̧<EFBFBD>𷵻<EFBFBD>ֵ
u16 key_time=0x00; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>ɨ<EFBFBD><C9A8>һ<EFBFBD>ΰ<EFBFBD><CEB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>͵<EFBFBD><CDB5>ڰ<EFBFBD><DAB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD>ʱ<EFBFBD><CAB1>
u8 key_tem=0x00; //<2F><><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD><C4B0><EFBFBD>ֵ<EFBFBD>밴<EFBFBD><EBB0B4>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD><C9B1><EFBFBD>
u8 key_bak=0x00; //<2F><><EFBFBD><EFBFBD>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD><C9B1><EFBFBD>
//<2F><><EFBFBD><EFBFBD>IO<49>ڳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void KEY_Init(void)
{
GPIO_InitTypeDef GPIO_Initure;
__HAL_RCC_GPIOF_CLK_ENABLE(); //<2F><><EFBFBD><EFBFBD>GPIOFʱ<46><CAB1>
GPIO_Initure.Pin=GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9; //PF6,7,8,9 KEY0 KEY1 KEY2 KEY3<59><33>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>
GPIO_Initure.Mode=GPIO_MODE_INPUT; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Pull=GPIO_PULLUP; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Speed=GPIO_SPEED_HIGH; //<2F><><EFBFBD><EFBFBD>
HAL_GPIO_Init(GPIOF,&GPIO_Initure);
}
/****************************************************************************
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: void key_scan(u8 mode)
* <EFBFBD><EFBFBD> <EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD>躯<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>mode<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
1: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ˵ <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>,KEY0>KEY1>KEY2>KEY3<EFBFBD>B
****************************************************************************/
void key_scan(u8 mode)
{
keyup_data=0; //<2F><>̧<EFBFBD><CCA7><EFBFBD>󰴼<EFBFBD>ֵһ<D6B5><D2BB><EFBFBD><EFBFBD>Ч
if(KEY0==0||KEY1==0||KEY2==0||KEY3==0) //<2F>м<EFBFBD><D0BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
if(KEY0==0) key_tem=1;
else if(KEY1==0) key_tem=2;
else if(KEY2==0) key_tem=3;
else if(KEY3==0) key_tem=4;
if (key_tem == key_bak) //<2F>м<EFBFBD><D0BC><EFBFBD><EFBFBD>º<EFBFBD><C2BA><EFBFBD>һ<EFBFBD><D2BB>ɨ<EFBFBD>費<EFBFBD><E8B2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>else<73><65><EFBFBD>ϵڶ<CFB5><DAB6><EFBFBD>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD>
{
key_time++; //<2F>м<EFBFBD><D0BC><EFBFBD><EFBFBD>º<EFBFBD>ִ<EFBFBD><D6B4>һ<EFBFBD><D2BB>ɨ<EFBFBD>躯<EFBFBD><E8BAAF><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><C3B1><EFBFBD><EFBFBD><EFBFBD>1 <20><>#<23><>#<23><>#<23><>
keydown_data=key_tem; //<2F><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>keydown_data
if( (mode==0)&&(key_time>1) )//key_time>1<><31><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><C7B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>modeΪ1<CEAA><31>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
keydown_data=0;
}
else //ȥ<><C8A5><EFBFBD><EFBFBD>
{
key_time=0;
key_bak=key_tem;
}
}
else //<2F><>̧<EFBFBD><CCA7>
{
if(key_time>2) //<2F><><EFBFBD><EFBFBD>̧<EFBFBD><CCA7><EFBFBD>󷵻<EFBFBD>һ<EFBFBD>ΰ<EFBFBD><CEB0><EFBFBD>ֵ
{
keyup_data=key_tem; //<2F><>̧<EFBFBD><CCA7><EFBFBD>󰴼<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>keydown_data
}
key_bak=0; //Ҫ<><D2AA><EFBFBD>㣬<EFBFBD><E3A3AC>Ȼ<EFBFBD>´<EFBFBD>ִ<EFBFBD><D6B4>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD>ϴΰ<CFB4><CEB0><EFBFBD>ֵһ<D6B5><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
key_time=0;
keydown_data=0;
}
}
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