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/* Copyright (c) 2013 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.
*/
/* Mock functions for keyboard scanner module for Chrome EC */
#include "common.h"
#include "console.h"
#include "keyboard_config.h"
#include "keyboard_raw.h"
#include "keyboard_scan.h"
#include "task.h"
#include "uart.h"
#include "util.h"
static int enable_scanning = 1;
static int selected_column = -1;
static int interrupt_enabled = 0;
static uint8_t matrix_status[KEYBOARD_COLS];
void keyboard_raw_init(void)
{
/* Init matrix status to release all */
int i;
for (i = 0; i < KEYBOARD_COLS; ++i)
matrix_status[i] = 0xff;
}
void keyboard_raw_task_start(void)
{
}
void keyboard_raw_drive_column(int col)
{
selected_column = col;
}
int keyboard_raw_read_rows(void)
{
if (selected_column >= 0)
return matrix_status[selected_column] ^ 0xff;
else
return 0;
}
void keyboard_raw_enable_interrupt(int enable)
{
interrupt_enabled = enable;
}
static int command_mock_matrix(int argc, char **argv)
{
int r, c, p;
char *e;
if (argc < 4)
return EC_ERROR_PARAM_COUNT;
c = strtoi(argv[1], &e, 0);
if (*e || c < 0 || c >= KEYBOARD_COLS)
return EC_ERROR_PARAM1;
r = strtoi(argv[2], &e, 0);
if (*e || r < 0 || r >= KEYBOARD_ROWS)
return EC_ERROR_PARAM2;
p = strtoi(argv[3], &e, 0);
if (*e)
return EC_ERROR_PARAM3;
if (p)
matrix_status[c] &= ~(1 << r);
else
matrix_status[c] |= (1 << r);
if (interrupt_enabled)
task_wake(TASK_ID_KEYSCAN);
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(mockmatrix, command_mock_matrix,
"<Col> <Row> <0 | 1>",
"Mock keyboard matrix",
NULL);
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