自动称量参考程序Word下载.docx

1、feng_ming8=0XEE,0X61,0X32,0XFF,0XFC,0XFF,0XFF,0XCC;*声明无需存入EEPROM的变量*/unsigned char send_message20 =0;/发送帧消息专用数组unsigned char read_message20 = 0;/接收消息专用缓冲区unsigned char uart_read_f = 0;unsigned char uart_read_count = 0;unsigned long hx711_ad = 0;/HX711 AD转换结果unsigned long ad_bi_jiao = 0;unsigned int

2、step_f = 0;/存放频率计算结果unsigned int lin_step_f = 10;unsigned char hua_mian_id = 0;float xi_shu_xiao = 0.0;float xi_shu_da = 0.0;unsigned long mu_biao_liang_1 = 0;/实际进料时，去掉提前量的数值第 1 页unsigned long mu_biao_liang_8 = 0;/X0.8的数值unsigned long shi_shi_zhi_liang = 0;/动态，实时质量/*声明需要存入EEPROM的变量*/unsigned int mi_

3、ma = 0;unsigned int step_fast = 0;/步进电机快速运行的频率unsigned int step_low = 0;/步进电机慢速运行的频率unsigned long mu_biao_liang = 0;/目标量unsigned long pian_yi = 0;/质量偏移unsigned char lv_bo = 0;/滤波系数unsigned int fa_ma_da = 0;/校准时大砝码的unsigned int fa_ma_zhong = 0;/校准时中砝码质量unsigned int fa_ma_xiao = 0;/校准时小砝码质量unsigned lo

4、ng cai_yang_da = 0;/校准时，大砝码采样值unsigned long cai_yang_zhong = 0;/较准时，中砝码采样值unsigned long cai_yang_xiao = 0;/较准时，小砝码采样值unsigned char liang_du = 130;/默认亮度130float pi_zhong = 0;/定义皮重/*声明子函数*/void use_k（void）;void send_data1（unsigned char dat）;void send_str1（char *s）;void num_to_message（unsigned long dat

5、）;unsigned long hx711_10（void）;void step_control（unsigned char k,unsigned int f）;void updata_zhong_liang（unsigned long ke）;void delay_1ms（unsigned char k）;void delay_50ms（unsigned int m）;void set_txt（unsigned char screen_id,unsigned charcontrol_id,unsigned long dat,unsigned char counter）;void ying_j

6、ian_ce_shi（void）;unsigned int tft_read_txt（unsigned char hua_mian,unsigned chartxt）;void shu_ru_mi_ma（void）;void tft_show_6bit（unsigned char hua_mian,unsigned chartxt,unsigned long num）;void can_shu_she_zhi（void）;void tft_show_4bit（unsigned char hua_mian,unsigned chartxt,unsigned int num）;void jiao_

7、cheng（void）;unsigned int ass_to_num_4bit（unsigned char *p）;unsigned long ass_num_dot（unsigned char *p）;void te_shu_mi_ma（void）;void save_eeprom（unsigned int add,unsigned long dat）;unsigned long read_eeprom（unsigned int add）;第 2 页void get_xi_shu（void）;float get_zhi_liang（void）;unsigned long shi_ji_zh

8、ong_liang（void）;void mao_pao_pai_xu（unsigned long *a,unsigned char chang_du）;void zheng_chang_xia_liao（void）;void kuai_su_qing_liao（void）;void set_mu_biao_liang（void）;/*主函数*/void main（）P0M1=0;P0M0=0;jd1 = 0;jd2 = 0;P1M1=0;P1M0=0xff;P2M1=0x10;P2M0=0;P3M1=0;P3M0=0;P4M1=0;P4M0=0;P5M1=0;P5M0=0;SCON = 0x

9、50;AUXR = 0x15;/COM1,COM2,控制波特率发生器T2L = 0xD0;T2H = 0xFF;/波特率设置AUXR1 |= 0X40;PS = 1;ES = 1;/允许串行口中断AUXR1 |= 0X20;CMOD = 0X02;step_f = FOSC / 4 / 3000;CCON = 0;CH = 0;CL = 0;CCAP0L = step_f;CCAP0H = step_f 8;CCAPM0 = 0x4d;CR = 0;*/EA = 1;/允许CPU总中断step_en = 1;step_dir = 1;delay_1ms（250）;/250ms*读取*EEPRO

10、M*/mi_ma = read_eeprom（1）;step_fast = read_eeprom（2）;step_low = read_eeprom（3）;mu_biao_liang = read_eeprom（4）;第 3 页pian_yi = read_eeprom（5）;lv_bo = read_eeprom（6）;fa_ma_da = read_eeprom（7）;fa_ma_zhong = read_eeprom（8）;fa_ma_xiao = read_eeprom（9）;cai_yang_da = read_eeprom（10）;cai_yang_zhong = read_ee

11、prom（11）;cai_yang_xiao = read_eeprom（12）;liang_du = read_eeprom（13）;pi_zhong = read_eeprom（14）;*/k_1 = 1;k_2 = 1;k_3 = 1;k_4 = 1;k_5 = 1;*停留在开机画面*/while（hua_mian_id = 0）send_str1（read_hua_mian_id）;/获取有效的画面ID结果if（read_message1 = 0xB1）&（read_message2 = 0x01）hua_mian_id = read_message4;*发送亮度控制信号*/send_

12、zhen_tou;send_data1（0x60）;send_data1（liang_du）;send_zhen_wen;/将亮度调暗到130delay_1ms（100）;/200ms,使传感器电源供给稳定get_xi_shu（）;/计算称重系数pi_zhong = hx711_10（）;set_txt（1,6,mu_biao_liang,6）;/工作界面的目标量mu_biao_liang_1 = mu_biao_liang - pian_yi;/计算去掉提前量的值mu_biao_liang_8 = mu_biao_liang_1 * 8 / 10;/0.8send_str1（feng_min

13、g）;jd1 = 1;/*主循环*/while（1）delay_1ms（5）;第 4 页elsehua_mian_id = 0xfe;switch（hua_mian_id）/工作界面case 0x01:use_k（）;/处理按键按下结果updata_zhong_liang（shi_ji_zhong_liang（）;break;/输入密码界面，设置各项参数case 0x02:shu_ru_mi_ma（）;/硬件功能测试case 0x03:ying_jian_ce_shi（）;/参数设置case 0x04:can_shu_she_zhi（）;/传感器校准case 0x05:jiao_cheng（）

14、;/特别密码界面case 0x06:te_shu_mi_ma（）;break;case 0xfe:;void PCA_isr（） interrupt 7第 5 页CCF0 = 0;void uart1_inte（void） interrupt 4 using 1if（RI）if（SBUF = 0XAA）IAP_CONTR = 0X60;if（SBUF = 0XEE）uart_read_f = 1;for（uart_read_count=0;uart_read_count20;uart_read_count+）read_messageuart_read_count = 0;uart_read_c

15、ount = 0;if（uart_read_f = 1）read_messageuart_read_count =SBUF;uart_read_count+;if（SBUF = 0XFF）uart_read_f = 0;uart_read_count = 19;RI = 0;if（TI）TI = 0;busy = 0;void send_data1（unsigned char dat）while（busy）;busy = 1;SBUF = dat;void send_str1（unsigned char *s）第 6 页dowhile（*s != 0xcc）;send_data1（*s+）;/

16、1msvoid delay_1ms（unsigned char k）unsigned char i, j,m;for（m = 0;mk;m+）_nop_（）;i = 22;j = 128;while （-j）;while （-i）;/50msvoid delay_50ms（unsigned int m）unsigned char i, j, k;unsigned int n = 0;for（n=0;nm;n+）i = 5;j = 52;k = 195;while （-k）;/按键扫描程序,返回5个按键值的某一个unsigned char scan_k（void）第 7 页unsigned ch

17、ar i=0x38;/什么都没有按，则返回8if（k_1 = 0）delay_1ms（70）;/70msi = 0x31;if（k_2 = 0）i = 0x32;if（k_3 = 0）i = 0x33;if（k_4 = 0）i = 0x34;if（k_5 = 0）i = 0x35;return i;/读取HX711数值,25个脉冲unsigned long read_hx711（void）unsigned long count=0;unsigned char i = 0;sck = 0;/AD转换准备。AD结束后，电平也为0；count=0;/接收存储区清零第 8 页while（d_out =

18、 1）;/等待芯片准备好.sck = 1;NOP2（）;/芯片上升沿读取数据。for（i=0;i23;i+）NOP1（）;if（d_out） count+;/上升沿读取数据count = count 1;1;return count;void mao_pao_pai_xu（unsigned long *a,unsigned char chang_du）unsigned char i=0,j=0;unsigned long temp=0;for（j=0;jai+1）temp = ai;ai = ai+1;ai+1 = temp;/读取HX711unsigned long hx711_10（voi

19、d）unsigned long count3 = 0;第 9 页unsigned char i=0;3;counti = read_hx711（）;mao_pao_pai_xu（count,3）;return count1 ;/返回中间值/获取称重系数void get_xi_shu（void）long a2 = 0.0;a0 = fa_ma_zhong - fa_ma_xiao;a1 = cai_yang_zhong - cai_yang_xiao;xi_shu_xiao = a0/a1;a0 = fa_ma_da - fa_ma_zhong;a1 = cai_yang_da - cai_ya

20、ng_zhong;xi_shu_da = a0/a1;/返回当前质量float get_zhi_liang（void）float a=0;a = hx711_10（）;if（a pi_zhong）a = pi_zhong; cai_yang_zhong）a = （a - pi_zhong）*xi_shu_xiao;a = （a - pi_zhong）*xi_shu_da;return a;/返回实际重量unsigned long shi_ji_zhong_liang（void）float a =0;a = get_zhi_liang（）;a *= 100;/步进电机处理函数，开关和频率void

21、 step_control（unsigned char k,unsigned int f）if（f = 0）第 10 页step_f = FOSC / 4 / f +0.5 ;if（k=1）CR = 1;void updata_zhong_liang（unsigned long ke）unsigned long i=0;unsigned char a,b,c,d,e;i = ke;a = i / 10000;b = i / 1000 % 10;c = i / 100 % 10;d = i / 10 % 10;e = i % 10;/send_str1（shua_xin_off）;set_txt（1,1,a,1）;set_txt（1,2,b,1）;set_txt（1,3,c,1）;set_txt（1,4,d,1）;set_txt（1,5,e,1）;/send_str1（shua_xin_on）;/更新某画面，某号控件，某个字节长度的数字control_id,unsigned long dat,unsigned char counter）unsigned char p8 = 0;unsigned char i =0;if（counter = 1）第 11 页send_data1（0XB1）;send_data1（0X10）;sen