Yoichi Nagashima / Mbed 2 deprecated CQ_nagasm_07_2ch

2-channel version with host PC control

Dependencies:   mbed

sub.hpp@0:0bf587c74eb7, 2014-12-16 (annotated)

Committer:
nagasm
Date:
Tue Dec 16 02:29:14 2014 +0000
Revision:
0:0bf587c74eb7
2-channel version with host PC control

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nagasm 0:0bf587c74eb7 1 unsigned char rxFIFO[256], txFIFO[256], raw_data[6];
nagasm 0:0bf587c74eb7 2 unsigned char rx_top, rx_end, tx_top, tx_end, phase;
nagasm 0:0bf587c74eb7 3 float mean_sum1, mean_sum2, ad_data1[101], ad_data2[101];
nagasm 0:0bf587c74eb7 4 int timer_value[6], max_count, fir_lpf, gain, ad_pointer1, ad_pointer2;
nagasm 0:0bf587c74eb7 5 const int order = 200;
nagasm 0:0bf587c74eb7 6 float xn1[order+1], xn2[order+1];
nagasm 0:0bf587c74eb7 7
nagasm 0:0bf587c74eb7 8 RawSerial xbee(PA_2, PA_3);
nagasm 0:0bf587c74eb7 9 Ticker timer_setup;
nagasm 0:0bf587c74eb7 10 AnalogIn analog_value0(A0);
nagasm 0:0bf587c74eb7 11 AnalogIn analog_value1(A1);
nagasm 0:0bf587c74eb7 12 AnalogIn analog_value2(A2);
nagasm 0:0bf587c74eb7 13 AnalogIn analog_value3(A3);
nagasm 0:0bf587c74eb7 14 DigitalOut myled(LED1);
nagasm 0:0bf587c74eb7 15
nagasm 0:0bf587c74eb7 16 void sum_clear(){
nagasm 0:0bf587c74eb7 17 int i;
nagasm 0:0bf587c74eb7 18 for (i=0; i<101; i++) ad_data1[i] = ad_data2[i] = 0;
nagasm 0:0bf587c74eb7 19 ad_pointer1 = ad_pointer2 = mean_sum1 = mean_sum2 = 0;
nagasm 0:0bf587c74eb7 20 }
nagasm 0:0bf587c74eb7 21
nagasm 0:0bf587c74eb7 22 void common_setup(){
nagasm 0:0bf587c74eb7 23 int i;
nagasm 0:0bf587c74eb7 24 rx_top = rx_end = tx_top = tx_end = phase = 0;
nagasm 0:0bf587c74eb7 25 max_count = 100;
nagasm 0:0bf587c74eb7 26 fir_lpf = 0;
nagasm 0:0bf587c74eb7 27 gain = 5;
nagasm 0:0bf587c74eb7 28 for (i=0; i<3; i++) timer_value[i] = 0;
nagasm 0:0bf587c74eb7 29 timer_value[3] = 10;
nagasm 0:0bf587c74eb7 30 timer_value[4] = 1500;
nagasm 0:0bf587c74eb7 31 for (i=0; i<=order; i++) xn1[i] = xn2[i] = 0.0;
nagasm 0:0bf587c74eb7 32 sum_clear();
nagasm 0:0bf587c74eb7 33 }
nagasm 0:0bf587c74eb7 34
nagasm 0:0bf587c74eb7 35 void timer_interrupt(){
nagasm 0:0bf587c74eb7 36 int i;
nagasm 0:0bf587c74eb7 37 for (i=0; i<6; i++) timer_value[i]++;
nagasm 0:0bf587c74eb7 38 }
nagasm 0:0bf587c74eb7 39
nagasm 0:0bf587c74eb7 40 void tx_fifo_check(){
nagasm 0:0bf587c74eb7 41 if(xbee.writeable() == 1){
nagasm 0:0bf587c74eb7 42 if(tx_top != tx_end){
nagasm 0:0bf587c74eb7 43 xbee.putc(txFIFO[tx_end]);
nagasm 0:0bf587c74eb7 44 ++tx_end &= 255;
nagasm 0:0bf587c74eb7 45 }
nagasm 0:0bf587c74eb7 46 }
nagasm 0:0bf587c74eb7 47 }
nagasm 0:0bf587c74eb7 48
nagasm 0:0bf587c74eb7 49 int rx_fifo_check(){
nagasm 0:0bf587c74eb7 50 unsigned char data;
nagasm 0:0bf587c74eb7 51 if(rx_top != rx_end){
nagasm 0:0bf587c74eb7 52 data = rxFIFO[rx_end];
nagasm 0:0bf587c74eb7 53 ++rx_end &= 255;
nagasm 0:0bf587c74eb7 54 if (data < 33){
nagasm 0:0bf587c74eb7 55 phase = 0;
nagasm 0:0bf587c74eb7 56 return(1);
nagasm 0:0bf587c74eb7 57 }
nagasm 0:0bf587c74eb7 58 raw_data[phase] = data;
nagasm 0:0bf587c74eb7 59 if(++phase > 5) phase = 0;
nagasm 0:0bf587c74eb7 60 return(0);
nagasm 0:0bf587c74eb7 61 }
nagasm 0:0bf587c74eb7 62 return(0);
nagasm 0:0bf587c74eb7 63 }
nagasm 0:0bf587c74eb7 64
nagasm 0:0bf587c74eb7 65 void rx_fifoset(void){
nagasm 0:0bf587c74eb7 66 rxFIFO[rx_top] = xbee.getc();
nagasm 0:0bf587c74eb7 67 ++rx_top &= 255;
nagasm 0:0bf587c74eb7 68 }
nagasm 0:0bf587c74eb7 69
nagasm 0:0bf587c74eb7 70 void tx_fifoset(unsigned char data){
nagasm 0:0bf587c74eb7 71 txFIFO[tx_top] = data;
nagasm 0:0bf587c74eb7 72 ++tx_top &= 255;
nagasm 0:0bf587c74eb7 73 }
nagasm 0:0bf587c74eb7 74
nagasm 0:0bf587c74eb7 75 unsigned char hex_conv(unsigned char data){
nagasm 0:0bf587c74eb7 76 data &= 15;
nagasm 0:0bf587c74eb7 77 if(data < 10) return(data+48);
nagasm 0:0bf587c74eb7 78 else return(data+55);
nagasm 0:0bf587c74eb7 79 }
nagasm 0:0bf587c74eb7 80
nagasm 0:0bf587c74eb7 81 unsigned char conv_hex(unsigned char data){
nagasm 0:0bf587c74eb7 82 if((data > 47) && (data < 58)) return(data-48);
nagasm 0:0bf587c74eb7 83 else if((data > 64) && (data < 71)) return(data-55);
nagasm 0:0bf587c74eb7 84 return(0);
nagasm 0:0bf587c74eb7 85 }
nagasm 0:0bf587c74eb7 86
nagasm 0:0bf587c74eb7 87 void tx_message(int data){
nagasm 0:0bf587c74eb7 88 int i;
nagasm 0:0bf587c74eb7 89 for (i=0; i<6; i++) tx_fifoset(hex_conv((data>>(4*(5-i))) & 15));
nagasm 0:0bf587c74eb7 90 tx_fifoset(13);
nagasm 0:0bf587c74eb7 91 }
nagasm 0:0bf587c74eb7 92
nagasm 0:0bf587c74eb7 93 float move_mean_calc1(float data){
nagasm 0:0bf587c74eb7 94 mean_sum1 = mean_sum1 - ad_data1[ad_pointer1] + data;
nagasm 0:0bf587c74eb7 95 ad_data1[ad_pointer1] = data;
nagasm 0:0bf587c74eb7 96 ad_pointer1++;
nagasm 0:0bf587c74eb7 97 if(ad_pointer1 == max_count) ad_pointer1 = 0;
nagasm 0:0bf587c74eb7 98 return(mean_sum1 / (float)max_count);
nagasm 0:0bf587c74eb7 99 }
nagasm 0:0bf587c74eb7 100
nagasm 0:0bf587c74eb7 101 float move_mean_calc2(float data){
nagasm 0:0bf587c74eb7 102 mean_sum2 = mean_sum2 - ad_data2[ad_pointer2] + data;
nagasm 0:0bf587c74eb7 103 ad_data2[ad_pointer2] = data;
nagasm 0:0bf587c74eb7 104 ad_pointer2++;
nagasm 0:0bf587c74eb7 105 if(ad_pointer2 == max_count) ad_pointer2 = 0;
nagasm 0:0bf587c74eb7 106 return(mean_sum2 / (float)max_count);
nagasm 0:0bf587c74eb7 107 }