sdk-hwV1.3/lichee/xr806/appos/project/example/keyscan/main.c

138 lines
4.0 KiB
C
Executable File

/*
* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include "kernel/os/os.h"
#include "driver/chip/hal_keyboard.h"
#include "common/framework/platform_init.h"
#define NON_KEY_PRESS 0xffffffff
#define KeyTask_PRIO 4
#define KeyTask_STACKSIZE 1024
static OS_Thread_t g_key_thread;
typedef struct {
OS_Semaphore_t key_sem;
uint8_t len;
uint32_t buffer[KEY_SCAN_BUFFER_MAX];
uint8_t p_col;
uint8_t p_row;
uint8_t flag;
} key_priv;
static key_priv gkeypriv;
static void keyboard_press_cols_rows(uint8_t index, uint32_t value)
{
for (uint8_t i = 0; i < 32; i++) {
if ((value & 0x01) == 0) {
gkeypriv.p_row = i % KEY_SCAN_ROWS_MAX;
gkeypriv.p_col = (index * 32 + i) / KEY_SCAN_ROWS_MAX;
printf("press key row: %d, col: %d\n", gkeypriv.p_row, gkeypriv.p_col);
}
value >>= 1;
}
}
/*
* keyboard callback function
*/
static void keyboard_callback(uint32_t *rowdata, uint8_t len)
{
OS_Status ret;
gkeypriv.len = len;
for (uint8_t i = 0; i < len; i++) {
gkeypriv.buffer[i] = rowdata[i];
}
gkeypriv.flag = 1;
ret = OS_SemaphoreRelease(&gkeypriv.key_sem);
if (ret != OS_OK)
printf("%s,%d release semap err!\n", __func__, __LINE__);
}
static void Get_KeyValue_Task(void *arg)
{
while (1) {
if (OS_SemaphoreWait(&gkeypriv.key_sem, OS_WAIT_FOREVER) != OS_OK)
continue;
for (uint8_t i = 0; i < gkeypriv.len; i++) {
if ((gkeypriv.buffer[i] != NON_KEY_PRESS)) {
printf("keydata[%d]: 0x%08x\n", i, gkeypriv.buffer[i]);
keyboard_press_cols_rows(i, gkeypriv.buffer[i]);
}
}
}
}
static int keyboard_init(void)
{
keyboard_InitParam param;
param.freq = 24 * 1000000;
param.cols = 0x00;
param.rows = 0xff00;
param.timecycle = 0x100;
param.scan = 0x100;
param.debounce = 0xA00;
HAL_KeyBoard_Open(&param, keyboard_callback);
if (OS_SemaphoreCreate(&gkeypriv.key_sem, 0, 1) != OS_OK) {
printf("create semaphore failed\n");
return -1;
}
if (OS_ThreadCreate(&g_key_thread,
"user",
Get_KeyValue_Task,
NULL,
KeyTask_PRIO,
KeyTask_STACKSIZE) != OS_OK) {
printf("create key task failed!\n");
return -1;
}
return 0;
}
int main(void)
{
platform_init();
printf("\nInitial keyboard...\n");
keyboard_init();
printf("Initial keyboard OK\n");
printf("You can press the keyboard now\n");
return 0;
}