Add ti_DetectAny() test

See #155 for fix

Author: PeterTillema

examples/fileio_detectany/autotester.json

@@ -0,0 +1,33 @@
+{
+  "rom": "84pce_515.rom",
+  "transfer_files": [
+    "bin/DEMO.8xp"
+  ],
+  "target": {
+    "name": "DEMO",
+    "isASM": true
+  },
+  "sequence": [
+    "action|launch",
+    "delay|1000",
+    "hash|1",
+    "key|enter",
+    "delay|200",
+    "hashWait|2"
+  ],
+  "hashes": {
+    "1": {
+      "description": "'LibLoad' is displayed",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [ "D874E0B0" ]
+    },
+    "2": {
+      "description": "Back to the home screen (exit check)",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [ "FFAF89BA", "101734A5", "9DA19F44" ]
+    }
+  }
+}
+

examples/fileio_detectany/makefile

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+# ----------------------------
+# Set NAME to the program name
+# Set ICON to the png icon file name
+# Set DESCRIPTION to display within a compatible shell
+# Set COMPRESSED to "YES" to create a compressed program
+# ----------------------------
+
+NAME        ?= DEMO
+COMPRESSED  ?= NO
+ICON        ?= iconc.png
+DESCRIPTION ?= "C SDK Demo"
+
+# ----------------------------
+
+include $(CEDEV)/include/.makefile

examples/fileio_detectany/readme.md

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+### FileIO File Detection Demo
+
+This demo shows how to use the ti_DetectAny function to search for a variable that starts with a particular sequence of bytes
+LibLoad is used because it is known to exist for demonstration.
+
+![Screenshot](screenshot.png)
+
+---
+
+This demo is a part of the C SDK Toolchain for use on the CE.
+

examples/fileio_detectany/screenshot.png

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+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <fileioc.h>
+
+/* Function prototypes */
+void printText(int8_t xpos, int8_t ypos, const char *text);
+
+/* Main Function */
+void main(void) {
+    /* Declare some variables -- search_pos must be NULL to begin with */
+    uint8_t *search_pos = NULL, type;
+    int8_t y = 0;
+    ti_var_t myVar;
+    char *var_name;
+
+    /* First couple bytes of the LibLoad AppVar, which is known to exist *
+    /* Technically is a null-terminated string, if an odd looking one */
+    const char search_string[] = { 0xFD, 0x21, 0x80, 0x00 };
+
+    /* Clear the homescreen */
+    os_ClrHome();
+
+    /* Find all of the variables that start with this string */
+    while ((var_name = ti_DetectAny(&search_pos, search_string, &type)) != NULL) {
+        if (type == TI_APPVAR_TYPE) {
+            /* Print the name of the variable (Should be LibLoad) */
+            printText(0, y++, var_name);
+        }
+    }
+
+    /* Wait for a key */
+    while (!os_GetCSC());
+
+    /* Close all open files */
+    ti_CloseAll();
+}
+
+/* Draw text on the homescreen at the given X/Y location */
+void printText(int8_t xpos, int8_t ypos, const char *text) {
+    os_SetCursorPos(ypos, xpos);
+    os_PutStrFull(text);
+}