Download complete version
Transcript
CONTENTS CONTENTS 7 System software 7.1 Software structure . . . . . . . . . 7.1.1 Overview of structure . . . 7.2 Module descriptions . . . . . . . . 7.2.1 IIOF3 interrupt . . . . . . . 7.3 Software changes . . . . . . . . . . 7.3.1 Immediate software changes 7.3.2 Future software changes . . 8 Performance 8.1 Current system state . . . . . . . . 8.2 Current system performance . . . . 8.2.1 Envelope function test . . . 8.2.2 Downconverted data . . . . 8.2.3 Fast Fourier Transformation 8.2.4 Processing of a signal . . . 8.2.5 Processing load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 109 109 111 113 116 116 117 . . . . . . . 119 119 120 120 122 122 123 123 9 Conclusion 125 A Explaination of EXCEL timing sheet 129 B Specifications for Pentek 6441 ADC 133 C Specifications for Pentek 6510 DRX 134 D TMS320C40 block diagram 136 E HP48G/GX program for TI floating point conversion 139 F Source code: set ivtp.asm 140 G Source code: iiof3.asm 143 H Source code: dmaintx.asm 145 I Source code: dma.asm 147 J Source code: wait.asm 150 K Source code: process.c 152 L Source code: window.asm 153 M Source code: cr2dif.asm 156 N Source code: accu.asm 161 4