Yoichi Nagashima
/
CQ_nagasm_07_2ch
2-channel version with host PC control
sub.hpp
- Committer:
- nagasm
- Date:
- 2014-12-16
- Revision:
- 0:0bf587c74eb7
File content as of revision 0:0bf587c74eb7:
unsigned char rxFIFO[256], txFIFO[256], raw_data[6]; unsigned char rx_top, rx_end, tx_top, tx_end, phase; float mean_sum1, mean_sum2, ad_data1[101], ad_data2[101]; int timer_value[6], max_count, fir_lpf, gain, ad_pointer1, ad_pointer2; const int order = 200; float xn1[order+1], xn2[order+1]; RawSerial xbee(PA_2, PA_3); Ticker timer_setup; AnalogIn analog_value0(A0); AnalogIn analog_value1(A1); AnalogIn analog_value2(A2); AnalogIn analog_value3(A3); DigitalOut myled(LED1); void sum_clear(){ int i; for (i=0; i<101; i++) ad_data1[i] = ad_data2[i] = 0; ad_pointer1 = ad_pointer2 = mean_sum1 = mean_sum2 = 0; } void common_setup(){ int i; rx_top = rx_end = tx_top = tx_end = phase = 0; max_count = 100; fir_lpf = 0; gain = 5; for (i=0; i<3; i++) timer_value[i] = 0; timer_value[3] = 10; timer_value[4] = 1500; for (i=0; i<=order; i++) xn1[i] = xn2[i] = 0.0; sum_clear(); } void timer_interrupt(){ int i; for (i=0; i<6; i++) timer_value[i]++; } void tx_fifo_check(){ if(xbee.writeable() == 1){ if(tx_top != tx_end){ xbee.putc(txFIFO[tx_end]); ++tx_end &= 255; } } } int rx_fifo_check(){ unsigned char data; if(rx_top != rx_end){ data = rxFIFO[rx_end]; ++rx_end &= 255; if (data < 33){ phase = 0; return(1); } raw_data[phase] = data; if(++phase > 5) phase = 0; return(0); } return(0); } void rx_fifoset(void){ rxFIFO[rx_top] = xbee.getc(); ++rx_top &= 255; } void tx_fifoset(unsigned char data){ txFIFO[tx_top] = data; ++tx_top &= 255; } unsigned char hex_conv(unsigned char data){ data &= 15; if(data < 10) return(data+48); else return(data+55); } unsigned char conv_hex(unsigned char data){ if((data > 47) && (data < 58)) return(data-48); else if((data > 64) && (data < 71)) return(data-55); return(0); } void tx_message(int data){ int i; for (i=0; i<6; i++) tx_fifoset(hex_conv((data>>(4*(5-i))) & 15)); tx_fifoset(13); } float move_mean_calc1(float data){ mean_sum1 = mean_sum1 - ad_data1[ad_pointer1] + data; ad_data1[ad_pointer1] = data; ad_pointer1++; if(ad_pointer1 == max_count) ad_pointer1 = 0; return(mean_sum1 / (float)max_count); } float move_mean_calc2(float data){ mean_sum2 = mean_sum2 - ad_data2[ad_pointer2] + data; ad_data2[ad_pointer2] = data; ad_pointer2++; if(ad_pointer2 == max_count) ad_pointer2 = 0; return(mean_sum2 / (float)max_count); }