make sure all tests pass

- added keymap_setup() function to keymap tests

- The test string was not long enough to overflow the larger buffer.
Switched to use pseudo-random sequence intstead of a fixe test string.

firmware/asdf/src/Arch/asdf_arch_test.c

@@ -543,6 +543,23 @@ void asdf_arch_pulse_delay_long(void)
   asdf_arch_pulse_delay();
 }
 
+// PROCEDURE: asdf_arch_delay_ms
+// INPUTS: (uint16) delay_ms - the delay in msec.
+// OUTPUTS: none
+//
+// DESCRIPTION: Delays a specified number of milliseconds
+//
+// SIDE EFFECTS: see above.
+//
+// SCOPE: public
+//
+// COMPLEXITY: 1
+//
+void asdf_arch_delay_ms(uint16_t delay_ms)
+{
+    asdf_arch_pulse_delay();
+}
+
 // PROCEDURE: asdf_arch_pulse_delay_short
 // INPUTS: none
 // OUTPUTS: none

firmware/asdf/src/Arch/asdf_arch_test.h

@@ -197,6 +197,12 @@ asdf_cols_t asdf_arch_read_row(uint8_t row);
 // be tested.
 void asdf_arch_send_code(asdf_keycode_t);
 
+// PROCEDURE: asdf_arch_delay_ms
+// INPUTS: (uint16) delay_ms - the delay in msec.
+// OUTPUTS: none
+// DESCRIPTION: Delays a specified number of milliseconds
+void asdf_arch_delay_ms(uint16_t delay_ms);
+
 // PROCEDURE: asdf_arch_get_sent_code
 // INPUTS: none
 // OUTPUTS: returns type (asdf_keycode_t) in register and zeros the register.

firmware/asdf/test/asdf_keymap_table.c

@@ -26,29 +26,99 @@
 // this program. If not, see <https://www.gnu.org/licenses/>.
 //
 
+#include <stdint.h>
 #include "asdf_keymap_table.h"
 #include "test_asdf_keymap_defs.h"
 
-asdf_keymap_setup_function_t keymap_setup_function_lookup_table[ASDF_NUM_KEYMAPS] = {
-  [ASDF_TEST_PLAIN_MAP_INDEX] = setup_test_plain_map,
-  [ASDF_TEST_CAPS_MAP_INDEX] = setup_test_caps_map,
-  [ASDF_TEST2_PLAIN_MAP_INDEX] = setup_test2_plain_map,
-  [ASDF_TEST2_CAPS_MAP_INDEX] = setup_test2_caps_map,
+// PROCEDURE: asdf_keymap_setup
+//
+// INPUTS: (uint8_t) index - index of the keymap setup function to call
+// OUTPUTS: none
+////
+// DESCRIPTION: This function calls the keymap setup function specified
+//              by the index.
+//
+// SIDE EFFECTS: See Description
+//
+// NOTES: This function is necessary because functions defined in external
+// modules are not considered compile-time constants by the C99 standard, so the
+// array cannot be initialized with a compile-time declaration.
+//
+// SCOPE: public
+//
+// COMPLEXITY: 1
+//
+void asdf_keymap_setup(uint8_t index) {
+  switch(index) {
 
-  // keymap assignments for the virtual device tests
-  [SINGLE_TESTS_KEYMAP] = setup_test_vdevs_single,
-  [DOUBLE_ASSIGN_TEST_KEYMAP] = setup_test_vdevs_double,
-  [TRIPLE_TESTS_KEYMAP] = setup_test_vdevs_triple,
-  [VCAPS_TEST_KEYMAP] = setup_test_vdevs_vcaps,
+    default:
+    case ASDF_TEST_PLAIN_MAP_INDEX: setup_test_plain_map(); break;
+    case ASDF_TEST_CAPS_MAP_INDEX: setup_test_caps_map(); break;
+    case ASDF_TEST2_PLAIN_MAP_INDEX: setup_test2_plain_map(); break;
+    case ASDF_TEST2_CAPS_MAP_INDEX: setup_test2_caps_map();
+      break;
 
-  // keymap assignments for the hook mechanism tests
-  [ASDF_TEST_DEFAULT_SCANNER_MAP] = setup_test_hooks_alt_scanner,
-  [ASDF_TEST_ALTERNATE_OUTPUT_MAP] = setup_test_hooks_alt_output,
-  [ASDF_TEST_EACH_SCAN_MAP] = setup_test_hooks_each_scan,
-};
+      // keymap assignments for the virtual device tests
+    case SINGLE_TESTS_KEYMAP: setup_test_vdevs_single(); break;
+    case DOUBLE_ASSIGN_TEST_KEYMAP: setup_test_vdevs_double(); break;
+    case TRIPLE_TESTS_KEYMAP: setup_test_vdevs_triple(); break;
+    case VCAPS_TEST_KEYMAP: setup_test_vdevs_vcaps();
+      break;
 
+      // keymap assignments for the hook mechanism tests
+    case ASDF_TEST_DEFAULT_SCANNER_MAP: setup_test_hooks_alt_scanner(); break;
+    case ASDF_TEST_ALTERNATE_OUTPUT_MAP: setup_test_hooks_alt_output(); break;
+    case ASDF_TEST_EACH_SCAN_MAP: setup_test_hooks_each_scan(); break;
+  }
+}
+
+// PROCEDURE: asdf_keymap_valid
+//
+// INPUTS: (uint8_t) index - index of the keymap setup function to check
+// OUTPUTS: (uintu_t) returns TRUE (nonzero) if valid, FALSE (0) otherwise
+//
+// DESCRIPTION: This function returns TRUE if the index corresponds to
+//              a valid keymap.
+//
+// SIDE EFFECTS: none
+//
+// NOTES:
+//
+// SCOPE: public
+//
+// COMPLEXITY: 1
+//
+uint8_t asdf_keymap_valid(uint8_t index) {
+  uint8_t valid = 0;
+
+  switch(index) {
+    case ASDF_TEST_PLAIN_MAP_INDEX:
+    case ASDF_TEST_CAPS_MAP_INDEX:
+    case ASDF_TEST2_PLAIN_MAP_INDEX:
+    case ASDF_TEST2_CAPS_MAP_INDEX:
+
+    // keymap assignments for the virtual device tests
+    case SINGLE_TESTS_KEYMAP:
+    case DOUBLE_ASSIGN_TEST_KEYMAP:
+    case TRIPLE_TESTS_KEYMAP:
+    case VCAPS_TEST_KEYMAP:
+
+    // keymap assignments for the hook mechanism tests
+    case ASDF_TEST_DEFAULT_SCANNER_MAP:
+    case ASDF_TEST_ALTERNATE_OUTPUT_MAP:
+    case ASDF_TEST_EACH_SCAN_MAP:
+
+      valid = 1;
+      break;
+
+    default:
+      valid = 0;
+    break;
+  }
+
+  return valid;
+}
 
-void asdf_keymap_table_init(void) {}
 
 //-------|---------|---------+---------+---------+---------+---------+---------+
 // Above line is 80 columns, and should display completely in the editor.

firmware/asdf/test/asdf_keymap_table.h

@@ -30,9 +30,21 @@
 
 // define the type for a keymap setup function. Keymaps are registerd by storing
 // a keymap setup function in the keymap setup array.
-typedef void (*asdf_keymap_setup_function_t)(void);
 
-void asdf_keymap_table_init(void);
+// PROCEDURE: asdf_keymap_setup
+// INPUTS: (uint8_t) index - index of the keymap setup function to call
+// OUTPUTS: none
+// DESCRIPTION: This function calls the keymap setup function specified
+//              by the index.
+// SIDE EFFECTS: See Description
+void asdf_keymap_setup(uint8_t index);
+
+// PROCEDURE: asdf_keymap_valid
+// INPUTS: (uint8_t) index - index of the keymap setup function to check
+// OUTPUTS: (uintu_t) returns TRUE (nonzero) if valid, FALSE (0) otherwise
+// DESCRIPTION: This function returns TRUE if the index corresponds to
+//              a valid keymap.
+uint8_t asdf_keymap_valid(uint8_t index);
 
 //-------|---------|---------+---------+---------+---------+---------+---------+
 // Above line is 80 columns, and should display completely in the editor.

firmware/asdf/test/test_asdf_buffer.c

@@ -10,8 +10,8 @@
 #define MAX_BUFFER ASDF_BUFFER_POOL_SIZE
 #define HALF_BUFFER (ASDF_BUFFER_POOL_SIZE / 2)
 
-static const char test_string[] = "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-  "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+static const char test_string[] = "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+static const int test_string_size = sizeof(test_string) - 1;
 
 static const char * const more_strings[] = {
                                       "abcdefghijkl",
@@ -32,6 +32,18 @@ void setUp(void)
 void tearDown(void) {}
 
 
+
+// function to generate pseudo-random sequence to fill buffer.
+asdf_keycode_t random_code(asdf_keycode_t seed)
+{
+    uint8_t msb = seed & 0x80;
+    seed <<= 1;
+    if (msb) {
+        seed ^= 0x88;
+    }
+    return seed;
+}
+
 // allocating first buffer returns handle 0
 void test_allocating_first_buffer_returns_handle_0(void)
 {
@@ -125,16 +137,16 @@ void test_adding_and_retrieving_string_one_by_one(void)
   }
 }
 
-// Filling the buffer first, then retrieving the characters from the buffer
+
 // should return the same string.
 void test_fill_buffer_then_retrieve_string(void)
 {
   for (int sent = 0; sent < MAX_BUFFER; sent++) {
-    asdf_buffer_put(handle, (asdf_keycode_t) test_string[sent]);
+    asdf_buffer_put(handle, (asdf_keycode_t) test_string[sent % test_string_size]);
   }
   for (int received = 0; received < MAX_BUFFER; received++) {
     int32_t code = (int32_t) asdf_buffer_get(handle);
-    TEST_ASSERT_EQUAL_INT32((int32_t) test_string[received],code);
+    TEST_ASSERT_EQUAL_INT32((int32_t) test_string[received % test_string_size],code);
   }
   // assert that next code request returns invalid code:
   TEST_ASSERT_EQUAL_INT32(ASDF_INVALID_CODE, (int32_t) asdf_buffer_get(handle));
@@ -145,15 +157,20 @@ void test_fill_buffer_then_retrieve_string(void)
 // characters back, quietly dropping the overflow.
 void test_overfilling_buffer_and_retrieve_drops_overflow(void)
 {
+  const asdf_keycode_t seed = 0x3b;
+  asdf_keycode_t next_random_code;
+
   // send the entire test string to overflow the buffer.
-  for (int i = 0; i < (int) sizeof(test_string); i++) {
-    asdf_buffer_put(handle, (asdf_keycode_t) test_string[i]);
+  for (int i = 0, next_rand_code = seed; i < MAX_BUFFER * 2; i++) {
+    next_rand_code = random_code(next_rand_code);
+    asdf_buffer_put(handle, next_rand_code);
   }
   // read until invalid character is received, testing that each character is
   // correct.
-  for (int i = 0; i < MAX_BUFFER; i++) {
+  for (int i = 0, next_rand_code = seed; i < MAX_BUFFER; i++) {
     asdf_keycode_t code = asdf_buffer_get(handle);
-    TEST_ASSERT_EQUAL_INT32((int32_t) test_string[i], (int32_t) code);
+    next_rand_code = random_code(next_rand_code);
+    TEST_ASSERT_EQUAL_INT32((int32_t) next_rand_code, (int32_t) code);
   }
 
   // the next code request returns invalid code:

firmware/asdf/test/test_keymapdefs.c

@@ -25,8 +25,6 @@
 // testing, both must be present to test their functionality.
 
 
-#include "test_keymapdefs.h"
-
 #define PLAIN_MATRIX_1 RESERVED_1
 #define CAPS_MATRIX_1 RESERVED_2
 #define SHIFT_MATRIX_1 RESERVED_3