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一起做网站吧,东莞专业网站制作设计,网站建设推进表,erp系统要学多久1、原理图分析： 8个74HC4052共用两个选通引脚，8个输入引脚，一共可以检测64个数字红外传感器。74HC4052的功能表如下,nY0表示所有Y0引脚。 S1 S0 Channel on 0 0 nY0 0 1 nY1 1 0 nY2 1 1 nY3 enum sensor_id{HS01 0, HS02, HS03, HS0…

1、原理图分析：

8个74HC4052共用两个选通引脚，8个输入引脚，一共可以检测64个数字红外传感器。74HC4052的功能表如下,nY0表示所有Y0引脚。

S1	S0	Channel on
0	0	nY0
0	1	nY1
1	0	nY2
1	1	nY3

enum sensor_id{HS01 = 0,		HS02,			HS03,			HS04,			HS05,			HS06,			HS07,			HS08,			HS09,			HS10,			HS11,			HS12,			HS13,			HS14,			HS15,			HS16,			HS17,HS18,HS19,HS20,HS21,HS22,HS23,HS24,HS25,HS26,HS27,HS28,HS29,HS30,HS31,HS32,HS33,HS34,HS35,HS36,HS37,HS38,HS39,HS40,HS41,HS42,HS43,HS44,HS45,HS46,HS47,HS48,HS49,HS50,HS51,HS52,HS53,HS54,HS55,HS56,HS57,HS58,HS59,HS60,HS61,HS62,HS63,HS64,HS_NUM    
};#define RENEM_STEPS	4
uint8_t renew_flag = 0;
static uint8_t phase = 0;
volatile uint8_t g_u8sensorStatus[HS_NUM];
//周期性更新红外数字传感器的状态，200us调用一次	
void renew_irsensor_status(void)
{renew_flag = 1;if(++phase >= RENEM_STEPS)phase = 0;switch(phase){case 0://读取S1=0,S0=1g_u8sensorStatus[HS06] = GPIO_PinRead(BOARD_INITPINS_IRIN1_PORT,BOARD_INITPINS_IRIN1_PIN);g_u8sensorStatus[HS41] = GPIO_PinRead(BOARD_INITPINS_IRIN2_PORT,BOARD_INITPINS_IRIN2_PIN);g_u8sensorStatus[HS12] = GPIO_PinRead(BOARD_INITPINS_IRIN3_PORT,BOARD_INITPINS_IRIN3_PIN);g_u8sensorStatus[HS56] = GPIO_PinRead(BOARD_INITPINS_IRIN4_PORT,BOARD_INITPINS_IRIN4_PIN);g_u8sensorStatus[HS19] = GPIO_PinRead(BOARD_INITPINS_IRIN5_PORT,BOARD_INITPINS_IRIN5_PIN);g_u8sensorStatus[HS23] = GPIO_PinRead(BOARD_INITPINS_IRIN6_PORT,BOARD_INITPINS_IRIN6_PIN);g_u8sensorStatus[HS27] = GPIO_PinRead(BOARD_INITPINS_IRIN7_PORT,BOARD_INITPINS_IRIN7_PIN);g_u8sensorStatus[HS31] = GPIO_PinRead(BOARD_INITPINS_IRIN8_PORT,BOARD_INITPINS_IRIN8_PIN);g_u8sensorStatus[HS03] = GPIO_PinRead(BOARD_INITPINS_IRIN9_PORT,BOARD_INITPINS_IRIN9_PIN);g_u8sensorStatus[HS36] = GPIO_PinRead(BOARD_INITPINS_IRIN10_PORT,BOARD_INITPINS_IRIN10_PIN);g_u8sensorStatus[HS09] = GPIO_PinRead(BOARD_INITPINS_IRIN11_PORT,BOARD_INITPINS_IRIN11_PIN);g_u8sensorStatus[HS46] = GPIO_PinRead(BOARD_INITPINS_IRIN12_PORT,BOARD_INITPINS_IRIN12_PIN);g_u8sensorStatus[HS50] = GPIO_PinRead(BOARD_INITPINS_IRIN13_PORT,BOARD_INITPINS_IRIN13_PIN);g_u8sensorStatus[HS54] = GPIO_PinRead(BOARD_INITPINS_IRIN14_PORT,BOARD_INITPINS_IRIN14_PIN);g_u8sensorStatus[HS59] = GPIO_PinRead(BOARD_INITPINS_IRIN15_PORT,BOARD_INITPINS_IRIN15_PIN);g_u8sensorStatus[HS63] = GPIO_PinRead(BOARD_INITPINS_IRIN16_PORT,BOARD_INITPINS_IRIN16_PIN);            GPIO_PinWrite(BOARD_INITPINS_IRS0_PORT, BOARD_INITPINS_IRS0_PIN,0);	GPIO_PinWrite(BOARD_INITPINS_IRS1_PORT, BOARD_INITPINS_IRS1_PIN,0);	break;case 1:            //读取S1=0,S0=0g_u8sensorStatus[HS04] = GPIO_PinRead(BOARD_INITPINS_IRIN1_PORT,BOARD_INITPINS_IRIN1_PIN);g_u8sensorStatus[HS39] = GPIO_PinRead(BOARD_INITPINS_IRIN2_PORT,BOARD_INITPINS_IRIN2_PIN);g_u8sensorStatus[HS10] = GPIO_PinRead(BOARD_INITPINS_IRIN3_PORT,BOARD_INITPINS_IRIN3_PIN);g_u8sensorStatus[HS14] = GPIO_PinRead(BOARD_INITPINS_IRIN4_PORT,BOARD_INITPINS_IRIN4_PIN);g_u8sensorStatus[HS17] = GPIO_PinRead(BOARD_INITPINS_IRIN5_PORT,BOARD_INITPINS_IRIN5_PIN);g_u8sensorStatus[HS21] = GPIO_PinRead(BOARD_INITPINS_IRIN6_PORT,BOARD_INITPINS_IRIN6_PIN);g_u8sensorStatus[HS25] = GPIO_PinRead(BOARD_INITPINS_IRIN7_PORT,BOARD_INITPINS_IRIN7_PIN);g_u8sensorStatus[HS29] = GPIO_PinRead(BOARD_INITPINS_IRIN8_PORT,BOARD_INITPINS_IRIN8_PIN);g_u8sensorStatus[HS01] = GPIO_PinRead(BOARD_INITPINS_IRIN9_PORT,BOARD_INITPINS_IRIN9_PIN);g_u8sensorStatus[HS34] = GPIO_PinRead(BOARD_INITPINS_IRIN10_PORT,BOARD_INITPINS_IRIN10_PIN);g_u8sensorStatus[HS07] = GPIO_PinRead(BOARD_INITPINS_IRIN11_PORT,BOARD_INITPINS_IRIN11_PIN);g_u8sensorStatus[HS44] = GPIO_PinRead(BOARD_INITPINS_IRIN12_PORT,BOARD_INITPINS_IRIN12_PIN);g_u8sensorStatus[HS48] = GPIO_PinRead(BOARD_INITPINS_IRIN13_PORT,BOARD_INITPINS_IRIN13_PIN);g_u8sensorStatus[HS52] = GPIO_PinRead(BOARD_INITPINS_IRIN14_PORT,BOARD_INITPINS_IRIN14_PIN);g_u8sensorStatus[HS16] = GPIO_PinRead(BOARD_INITPINS_IRIN15_PORT,BOARD_INITPINS_IRIN15_PIN);g_u8sensorStatus[HS61] = GPIO_PinRead(BOARD_INITPINS_IRIN16_PORT,BOARD_INITPINS_IRIN16_PIN);                        GPIO_PinWrite(BOARD_INITPINS_IRS0_PORT, BOARD_INITPINS_IRS0_PIN,0);	GPIO_PinWrite(BOARD_INITPINS_IRS1_PORT, BOARD_INITPINS_IRS1_PIN,1);	break;case 2://读取S1=1,S0=0g_u8sensorStatus[HS05] = GPIO_PinRead(BOARD_INITPINS_IRIN1_PORT,BOARD_INITPINS_IRIN1_PIN);g_u8sensorStatus[HS40] = GPIO_PinRead(BOARD_INITPINS_IRIN2_PORT,BOARD_INITPINS_IRIN2_PIN);g_u8sensorStatus[HS11] = GPIO_PinRead(BOARD_INITPINS_IRIN3_PORT,BOARD_INITPINS_IRIN3_PIN);g_u8sensorStatus[HS15] = GPIO_PinRead(BOARD_INITPINS_IRIN4_PORT,BOARD_INITPINS_IRIN4_PIN);g_u8sensorStatus[HS18] = GPIO_PinRead(BOARD_INITPINS_IRIN5_PORT,BOARD_INITPINS_IRIN5_PIN);g_u8sensorStatus[HS22] = GPIO_PinRead(BOARD_INITPINS_IRIN6_PORT,BOARD_INITPINS_IRIN6_PIN);g_u8sensorStatus[HS26] = GPIO_PinRead(BOARD_INITPINS_IRIN7_PORT,BOARD_INITPINS_IRIN7_PIN);g_u8sensorStatus[HS30] = GPIO_PinRead(BOARD_INITPINS_IRIN8_PORT,BOARD_INITPINS_IRIN8_PIN);g_u8sensorStatus[HS02] = GPIO_PinRead(BOARD_INITPINS_IRIN9_PORT,BOARD_INITPINS_IRIN9_PIN);g_u8sensorStatus[HS35] = GPIO_PinRead(BOARD_INITPINS_IRIN10_PORT,BOARD_INITPINS_IRIN10_PIN);g_u8sensorStatus[HS08] = GPIO_PinRead(BOARD_INITPINS_IRIN11_PORT,BOARD_INITPINS_IRIN11_PIN);g_u8sensorStatus[HS45] = GPIO_PinRead(BOARD_INITPINS_IRIN12_PORT,BOARD_INITPINS_IRIN12_PIN);g_u8sensorStatus[HS49] = GPIO_PinRead(BOARD_INITPINS_IRIN13_PORT,BOARD_INITPINS_IRIN13_PIN);g_u8sensorStatus[HS53] = GPIO_PinRead(BOARD_INITPINS_IRIN14_PORT,BOARD_INITPINS_IRIN14_PIN);g_u8sensorStatus[HS58] = GPIO_PinRead(BOARD_INITPINS_IRIN15_PORT,BOARD_INITPINS_IRIN15_PIN);g_u8sensorStatus[HS62] = GPIO_PinRead(BOARD_INITPINS_IRIN16_PORT,BOARD_INITPINS_IRIN16_PIN);            GPIO_PinWrite(BOARD_INITPINS_IRS0_PORT, BOARD_INITPINS_IRS0_PIN,1);	GPIO_PinWrite(BOARD_INITPINS_IRS1_PORT, BOARD_INITPINS_IRS1_PIN,1);	break;case 3:   //读取S1=1,S0=1        g_u8sensorStatus[HS38] = GPIO_PinRead(BOARD_INITPINS_IRIN1_PORT,BOARD_INITPINS_IRIN1_PIN);g_u8sensorStatus[HS42] = GPIO_PinRead(BOARD_INITPINS_IRIN2_PORT,BOARD_INITPINS_IRIN2_PIN);g_u8sensorStatus[HS13] = GPIO_PinRead(BOARD_INITPINS_IRIN3_PORT,BOARD_INITPINS_IRIN3_PIN);g_u8sensorStatus[HS57] = GPIO_PinRead(BOARD_INITPINS_IRIN4_PORT,BOARD_INITPINS_IRIN4_PIN);g_u8sensorStatus[HS20] = GPIO_PinRead(BOARD_INITPINS_IRIN5_PORT,BOARD_INITPINS_IRIN5_PIN);g_u8sensorStatus[HS24] = GPIO_PinRead(BOARD_INITPINS_IRIN6_PORT,BOARD_INITPINS_IRIN6_PIN);g_u8sensorStatus[HS28] = GPIO_PinRead(BOARD_INITPINS_IRIN7_PORT,BOARD_INITPINS_IRIN7_PIN);g_u8sensorStatus[HS32] = GPIO_PinRead(BOARD_INITPINS_IRIN8_PORT,BOARD_INITPINS_IRIN8_PIN);g_u8sensorStatus[HS33] = GPIO_PinRead(BOARD_INITPINS_IRIN9_PORT,BOARD_INITPINS_IRIN9_PIN);g_u8sensorStatus[HS37] = GPIO_PinRead(BOARD_INITPINS_IRIN10_PORT,BOARD_INITPINS_IRIN10_PIN);g_u8sensorStatus[HS43] = GPIO_PinRead(BOARD_INITPINS_IRIN11_PORT,BOARD_INITPINS_IRIN11_PIN);g_u8sensorStatus[HS47] = GPIO_PinRead(BOARD_INITPINS_IRIN12_PORT,BOARD_INITPINS_IRIN12_PIN);g_u8sensorStatus[HS51] = GPIO_PinRead(BOARD_INITPINS_IRIN13_PORT,BOARD_INITPINS_IRIN13_PIN);g_u8sensorStatus[HS55] = GPIO_PinRead(BOARD_INITPINS_IRIN14_PORT,BOARD_INITPINS_IRIN14_PIN);g_u8sensorStatus[HS60] = GPIO_PinRead(BOARD_INITPINS_IRIN15_PORT,BOARD_INITPINS_IRIN15_PIN);g_u8sensorStatus[HS64] = GPIO_PinRead(BOARD_INITPINS_IRIN16_PORT,BOARD_INITPINS_IRIN16_PIN);GPIO_PinWrite(BOARD_INITPINS_IRS0_PORT, BOARD_INITPINS_IRS0_PIN,1);	GPIO_PinWrite(BOARD_INITPINS_IRS1_PORT, BOARD_INITPINS_IRS1_PIN,0);	break;default:break;}renew_flag = 0;
}

/产品有64个数字红外传感器，传感器的状态有两种，0或1，使用结构体位域，在节省内存的同时还方便阅读。
这个定义在中间层，应用层调用中间层，驱动层负责获取传感器的状态并赋值给这个结构体。/

struct ir_sensor
{uint32_t s001:1;uint32_t s002:1;uint32_t s003:1;uint32_t s004:1;uint32_t s005:1;uint32_t s006:1;uint32_t s007:1;uint32_t s008:1;uint32_t s009:1;uint32_t s010:1;uint32_t s011:1;uint32_t s012:1;uint32_t s013:1;uint32_t s014:1;uint32_t s017:1;uint32_t s018:1;uint32_t s019:1;uint32_t s020:1;uint32_t s014:1;uint32_t s001:1;uint32_t s102:1;uint32_t s103:1;uint32_t s104:1;uint32_t s201:1;uint32_t s202:1;uint32_t s203:1;uint32_t s204:1;uint32_t s205:1;uint32_t s206:1;uint32_t s301:1;uint32_t s302:1;	uint32_t s303:1;uint32_t s401:1;uint32_t s402:1;uint32_t s403:1;uint32_t s404:1;uint32_t s405:1;uint32_t s406:1;uint32_t s407:1;uint32_t s408:1;uint32_t s410:1;uint32_t s411:1;uint32_t s412:1;	uint32_t s511:1;uint32_t s512:1;uint32_t s513:1;uint32_t s521:1;uint32_t s522:1;uint32_t s523:1;uint32_t s611:1;uint32_t s612:1;uint32_t s613:1;uint32_t s621:1;uint32_t s622:1;uint32_t s623:1;uint32_t s500:1;uint32_t ss01:1;uint32_t sf01:1;uint32_t sb01:1;uint32_t sb02:1;uint32_t sw01:1;uint32_t sab1:1;
}//周期性更新数字红外传感器状态到中间层，1ms调用一次
struct ir_sensor g_irSensor;
void get_irsensor_status(void)
{uint8_t i,l_u8sensorStatus[HS_NUM];if( renew_flag ) return;for(i=0;i<HS_NUM;i++){l_u8sensorStatus[i] = g_u8sensorStatus[i];}g_irSensor.s001 = l_u8sensorStatus[HS01];
}