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feat(inventory): Phase 1 - scan and validate UPC barcodes #1

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lyrathorpe wants to merge 54 commits from feat/inventory-phase1-scan into main
pull from: feat/inventory-phase1-scan
merge into: :main
Conversation 0 Commits 54 Files Changed 818
+18 -41
1 changed files with 18 additions and 41 deletions
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code/inventory/scan.c
+18 -41
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@@ -1,51 +1,32 @@
/* /*
* scan.c - Phase 1 barcode diagnostic: probe BAR: units A/B/C. * scan.c - Phase 1 barcode diagnostic: read the integral laser via WL2:A.
* *
* LLDEV shows demman uses the already-loaded "bar" device (no new driver * demman reports the scanner's port as WL2:A (decoder "Symbol"), so the
* appears when its scanner runs), so BAR: is the path - we've just been * integral MX laser is driven by the resident WL2 driver - not BAR:, not
* opening the wrong unit. BAR:A/BAR:B gave -41 (no interface in slot) and * TTY:D. WL2 is not documented in this SDK, so this opens WL2:A and dumps what
* BAR:D/BAR:E gave -38 (invalid name); BAR:C (the internal position, as MCR * a read returns, to learn its format. It uses the barcode-style read
* uses C for its non-A/B slot) is untried. This tries A, B, C, holds the * (p_iow(pcb, P_FREAD, buf), count typically in buf[0]) and prints the first
* results on screen, and if one opens, issues p_iow(P_FREAD) (which should arm * bytes both as decimal and as text.
* the laser) and dumps the [count][type][data] decode. *
* Press the scan key to trigger a scan while the read is waiting.
*/ */
#include <plib.h> #include <plib.h>
#include "bcode.h"
#define NU 3
GLDEF_C INT main(VOID) GLDEF_C INT main(VOID)
{ {
VOID *chan; VOID *chan;
UBYTE buf[256]; UBYTE buf[256];
INT ld, r, i, cnt, opened; INT err, r, i, cnt;
UINT k;
static TEXT *names[NU] = { "BAR:A", "BAR:B", "BAR:C" }; err = p_open(&chan, "WL2:A", (UINT)-1);
INT results[NU]; p_printf("open WL2:A: %d\n", err);
if (err < 0) {
ld = p_loadldd(BCODE_LDD); p_printf("Press a key to exit.\n");
opened = -1;
for (k = 0; k < NU; k++) {
r = p_open(&chan, names[k], (UINT)-1);
results[k] = r;
if (r >= 0 && opened < 0)
opened = k;
}
p_printf("load %s: %d\n", BCODE_LDD, ld);
for (k = 0; k < NU; k++)
p_printf("open %s: %d\n", names[k], results[k]);
if (opened < 0) {
p_printf("\nNo BAR unit opened. Press a key.\n");
p_getch(); p_getch();
return 1; return 1;
} }
/* reopen the winner (others were not kept) */ p_printf("Scan now (press the scan key). Dumping reads:\n\n");
p_open(&chan, names[opened], (UINT)-1);
p_printf("\nOpened %s. A read arms the laser - scan now.\n\n", names[opened]);
for (;;) { for (;;) {
r = p_iow(chan, P_FREAD, buf); r = p_iow(chan, P_FREAD, buf);
@@ -54,15 +35,11 @@ GLDEF_C INT main(VOID)
continue; continue;
} }
cnt = buf[0]; cnt = buf[0];
if (cnt <= 0) { p_printf("r=%d b0=%d:", r, cnt);
p_printf("(empty read)\n"); for (i = 0; i < 24 && i < 256; i++)
continue;
}
p_printf("cnt=%d type=%d:", cnt, buf[1]);
for (i = 1; i <= cnt && i < 256; i++)
p_printf(" %d", buf[i]); p_printf(" %d", buf[i]);
p_printf(" \""); p_printf(" \"");
for (i = 1; i <= cnt && i < 256; i++) for (i = 0; i < 24 && i < 256; i++)
p_putch(buf[i] >= ' ' ? buf[i] : '.'); p_putch(buf[i] >= ' ' ? buf[i] : '.');
p_printf("\"\n"); p_printf("\"\n");
} }