Add a test of keyboard typematic

This test checks when holding down a key for different length, typematic
works correctly.

BUG=chrome-os-partner:10287
TEST=Test passed.

Change-Id: I401db73098a98dc3367cedde31f8ec1c5d5f047b
Reviewed-on: https://gerrit.chromium.org/gerrit/26086
Commit-Ready: Vic Yang <victoryang@chromium.org>
Reviewed-by: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>

test/build.mk

@@ -7,7 +7,7 @@
 #
 
 test-list=hello pingpong timer_calib timer_dos timer_jump mutex thermal
-test-list+=power_button kb_deghost scancode
+test-list+=power_button kb_deghost scancode typematic
 #disable: powerdemo
 
 pingpong-y=pingpong.o
@@ -35,3 +35,7 @@ common-mock-kb_deghost-i8042.o=mock_i8042.o
 # Mock modules for 'scancode'
 chip-mock-scancode-keyboard_scan_stub.o=mock_keyboard_scan_stub.o
 common-mock-scancode-i8042.o=mock_i8042.o
+
+# Mock modules for 'typematic'
+chip-mock-typematic-keyboard_scan_stub.o=mock_keyboard_scan_stub.o
+common-mock-typematic-i8042.o=mock_i8042.o

test/typematic.py

@@ -0,0 +1,67 @@
+# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Keyboard typematic test
+#
+
+import time
+
+KEY_PRESS_MSG = "i8042 SEND"
+
+def check_no_output(helper, reg_ex):
+    success = False
+    try:
+        helper.wait_output(reg_ex, use_re=True, timeout=1)
+    except:
+        success = True
+    return success
+
+def expect_keypress(helper, cnt):
+    for i in xrange(cnt + 1): # Plus 1 break code
+        helper.wait_output(KEY_PRESS_MSG)
+    if not check_no_output(helper, KEY_PRESS_MSG):
+        return False
+    return True
+
+def test(helper):
+    # Wait for EC initialized
+    helper.wait_output("--- UART initialized")
+
+    # Enable keyboard scanning
+    helper.ec_command("kbd enable")
+
+    # Set typematic rate to 1000ms/500ms and hold down a key for 500ms
+    # Expect 1 keypress.
+    helper.ec_command("typematic 1000 500")
+    helper.ec_command("mockmatrix 1 1 1")
+    time.sleep(0.5)
+    helper.ec_command("mockmatrix 1 1 0")
+    if not expect_keypress(helper, 1):
+        return False
+
+    # Hold down a key for 1200ms. Expect 2 keypress.
+    helper.ec_command("mockmatrix 1 1 1")
+    time.sleep(1.2)
+    helper.ec_command("mockmatrix 1 1 0")
+    if not expect_keypress(helper, 2):
+        return False
+
+    # Hold down a key for 1700ms. Expect 3 keypress.
+    helper.ec_command("mockmatrix 1 1 1")
+    time.sleep(1.7)
+    helper.ec_command("mockmatrix 1 1 0")
+    if not expect_keypress(helper, 3):
+        return False
+
+    # Hold down a key for 5400ms. Expect 10 keypress.
+    # Here we choose 5400ms to allow short delay when each keypress is sent.
+    # If we choose time length too close to 5000ms, we might end up getting
+    # only 9 keypress.
+    helper.ec_command("mockmatrix 1 1 1")
+    time.sleep(5.4)
+    helper.ec_command("mockmatrix 1 1 0")
+    if not expect_keypress(helper, 10):
+        return False
+
+    return True # PASS !

test/typematic.tasklist

@@ -0,0 +1,25 @@
+/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * List of enabled tasks in the priority order
+ *
+ * The first one has the lowest priority.
+ *
+ * For each task, use the macro TASK(n, r, d) where :
+ * 'n' in the name of the task
+ * 'r' in the main routine of the task
+ * 'd' in an opaque parameter passed to the routine at startup
+ */
+#define CONFIG_TASK_LIST \
+	TASK(WATCHDOG, watchdog_task, NULL) \
+	TASK(VBOOTHASH, vboot_hash_task, NULL) \
+	TASK(PWM, pwm_task, NULL) \
+	TASK(TYPEMATIC, keyboard_typematic_task, NULL) \
+	TASK(X86POWER, x86_power_task, NULL) \
+	TASK(I8042CMD, i8042_command_task, NULL) \
+	TASK(KEYSCAN, keyboard_scan_task, NULL) \
+	TASK(POWERBTN, power_button_task, NULL) \
+	TASK(CONSOLE, console_task, NULL)