Created
November 29, 2015 17:54
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Accept a .bin file from the UMDKv2 logic analyzer, and create a blob of text that can be pasted into http://wavedrom.com/editor.html
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#include <stdio.h> | |
#include <stdint.h> | |
int main(int argc, const char *argv[]) { | |
const size_t dataLen = 1024; | |
uint8_t buffer[dataLen]; | |
size_t i; | |
int oldVal = -1; | |
int newVal; | |
uint8_t values[dataLen]; | |
size_t index = 0; | |
if ( argc != 2 ) { | |
fprintf(stderr, "Synopsis: %s <la.bin>\n", argv[0]); | |
return 1; | |
} | |
FILE *f = fopen(argv[1], "rb"); | |
fread(buffer, 1, dataLen, f); | |
fclose(f); | |
printf("{\n"); | |
printf(" signal: [\n"); | |
printf(" {name: '/OE', wave: '"); | |
for ( i = 0; i < dataLen; i++ ) { | |
newVal = (buffer[i] & 0x80) >> 7; | |
if ( newVal != oldVal ) { | |
printf("%d", newVal); | |
oldVal = newVal; | |
} else { | |
printf("."); | |
} | |
} | |
printf("'},\n"); | |
printf(" {name: '/LDSW', wave: '"); | |
oldVal = -1; | |
for ( i = 0; i < dataLen; i++ ) { | |
newVal = (buffer[i] & 0x40) >> 6; | |
if ( newVal != oldVal ) { | |
printf("%d", newVal); | |
oldVal = newVal; | |
} else { | |
printf("."); | |
} | |
} | |
printf("'},\n"); | |
printf(" {name: '/UDSW', wave: '"); | |
oldVal = -1; | |
for ( i = 0; i < dataLen; i++ ) { | |
newVal = (buffer[i] & 0x20) >> 5; | |
if ( newVal != oldVal ) { | |
printf("%d", newVal); | |
oldVal = newVal; | |
} else { | |
printf("."); | |
} | |
} | |
printf("'},\n"); | |
printf(" {name: 'A[5:1]', wave: '"); | |
oldVal = -1; | |
for ( i = 0; i < dataLen; i++ ) { | |
newVal = buffer[i] & 0x1F; | |
if ( newVal != oldVal ) { | |
printf("2"); | |
values[index++] = (uint8_t)newVal; | |
oldVal = newVal; | |
} else { | |
printf("."); | |
} | |
} | |
printf("', data: ["); | |
printf("'%02X'", values[0]); | |
for ( i = 1; i < index; i++ ) { | |
printf(", '%02X'", 2*values[i]); | |
} | |
printf("]}\n"); | |
printf(" ]\n"); | |
//printf(" ],\n"); | |
//printf(" \"config\": {\n"); | |
//printf(" \"hscale\": 2\n"); | |
//printf(" }\n"); | |
printf("}\n"); | |
return 0; | |
} |
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