278 lines
7.3 KiB
C
278 lines
7.3 KiB
C
#include "key_driver.h"
|
|
#include "iokey.h"
|
|
#include "gpio.h"
|
|
#include "system/event.h"
|
|
#include "app_config.h"
|
|
#include "asm/clock.h"
|
|
|
|
#if TCFG_IOKEY_ENABLE
|
|
|
|
static const struct iokey_platform_data *__this = NULL;
|
|
|
|
u8 io_get_key_value(void);
|
|
|
|
#if MOUSE_KEY_SCAN_MODE
|
|
struct key_driver_para iokey_scan_para = {
|
|
.scan_time = 5, //按键扫描频率, 单位: ms
|
|
.last_key = NO_KEY, //上一次get_value按键值, 初始化为NO_KEY;
|
|
.filter_time = 2, //按键消抖延时;
|
|
.long_time = 5, //按键判定长按数量
|
|
.hold_time = (5 + 0), //按键判定HOLD数量
|
|
.click_delay_time = 20, //按键被抬起后等待连击延时数量
|
|
.key_type = KEY_DRIVER_TYPE_IO,
|
|
.get_value = io_get_key_value,
|
|
};
|
|
#else
|
|
//按键驱动扫描参数列表
|
|
struct key_driver_para iokey_scan_para = {
|
|
.scan_time = 10, //按键扫描频率, 单位: ms
|
|
.last_key = NO_KEY, //上一次get_value按键值, 初始化为NO_KEY;
|
|
.filter_time = 4, //按键消抖延时;
|
|
.long_time = 75, //按键判定长按数量
|
|
.hold_time = (75 + 15), //按键判定HOLD数量
|
|
.click_delay_time = 20, //按键被抬起后等待连击延时数量
|
|
.key_type = KEY_DRIVER_TYPE_IO,
|
|
.get_value = io_get_key_value,
|
|
};
|
|
#endif
|
|
|
|
#define MARK_BIT_VALUE(b, v) do {if ((v & (~BIT(7))) < 7) b |= BIT(v & (~BIT(7)));} while(0)
|
|
|
|
static void key_io_pull_down_input(u8 key_io)
|
|
{
|
|
gpio_direction_input(key_io);
|
|
gpio_set_pull_down(key_io, 1);
|
|
gpio_set_pull_up(key_io, 0);
|
|
gpio_set_die(key_io, 1);
|
|
}
|
|
|
|
|
|
static void key_io_pull_up_input(u8 key_io)
|
|
{
|
|
gpio_direction_input(key_io);
|
|
gpio_set_pull_down(key_io, 0);
|
|
gpio_set_pull_up(key_io, 1);
|
|
gpio_set_die(key_io, 1);
|
|
}
|
|
|
|
static void key_io_output_high(u8 key_io)
|
|
{
|
|
gpio_set_pull_down(key_io, 0);
|
|
gpio_set_pull_up(key_io, 0);
|
|
gpio_direction_output(key_io, 1);
|
|
}
|
|
|
|
static void key_io_output_low(u8 key_io)
|
|
{
|
|
gpio_set_pull_down(key_io, 0);
|
|
gpio_set_pull_up(key_io, 0);
|
|
gpio_direction_output(key_io, 0);
|
|
}
|
|
|
|
static int get_io_key_value(u8 key_io)
|
|
{
|
|
return gpio_read(key_io);
|
|
}
|
|
|
|
|
|
static void key_io_reset(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < __this->num; i++) {
|
|
switch (__this->port[i].connect_way) {
|
|
case ONE_PORT_TO_HIGH:
|
|
key_io_pull_down_input(__this->port[i].key_type.one_io.port);
|
|
break;
|
|
|
|
case ONE_PORT_TO_LOW:
|
|
#if (TCFG_IO_MULTIPLEX_WITH_SD == ENABLE)
|
|
if (TCFG_MULTIPLEX_PORT != __this->port[i].key_type.one_io.port) {
|
|
key_io_pull_up_input(__this->port[i].key_type.one_io.port);
|
|
}
|
|
#else
|
|
|
|
key_io_pull_up_input(__this->port[i].key_type.one_io.port);
|
|
#endif
|
|
break;
|
|
|
|
case DOUBLE_PORT_TO_IO:
|
|
break;
|
|
|
|
default:
|
|
ASSERT(0, "IO KEY CONNECT ERR!!!");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#if MULT_KEY_ENABLE
|
|
extern const struct key_remap_data iokey_remap_data;
|
|
static u8 iokey_value_remap(u8 bit_mark)
|
|
{
|
|
for (int i = 0; i < iokey_remap_data.remap_num; i++) {
|
|
if (iokey_remap_data.table[i].bit_value == bit_mark) {
|
|
return iokey_remap_data.table[i].remap_value;
|
|
}
|
|
}
|
|
|
|
return NO_KEY;
|
|
}
|
|
#endif
|
|
|
|
|
|
#if TCFG_IO_MULTIPLEX_WITH_SD == ENABLE
|
|
static u8 mult_key_value = 1;
|
|
static void udelay(u32 usec)
|
|
{
|
|
JL_TIMER0->CON = BIT(14);
|
|
JL_TIMER0->CNT = 0;
|
|
JL_TIMER0->PRD = clk_get("lsb") / 1000000L * usec;
|
|
JL_TIMER0->CON = BIT(0); //lsb clk
|
|
while ((JL_TIMER0->CON & BIT(15)) == 0);
|
|
JL_TIMER0->CON = BIT(14);
|
|
}
|
|
extern u8 sd_io_suspend(u8 sdx, u8 sd_io);
|
|
extern u8 sd_io_resume(u8 sdx, u8 sd_io);
|
|
void sd_mult_io_detect(void *arg)
|
|
{
|
|
static u32 cnt = 0;
|
|
if (sd_io_suspend(1, 1) == 0) {
|
|
gpio_set_direction(TCFG_MULTIPLEX_PORT, 0);
|
|
gpio_write(TCFG_MULTIPLEX_PORT, 0);
|
|
udelay(10);
|
|
gpio_set_die(TCFG_MULTIPLEX_PORT, 1);
|
|
gpio_set_pull_down(TCFG_MULTIPLEX_PORT, 0);
|
|
gpio_set_pull_up(TCFG_MULTIPLEX_PORT, 1);
|
|
gpio_set_direction(TCFG_MULTIPLEX_PORT, 1);
|
|
udelay(10);
|
|
mult_key_value = gpio_read(TCFG_MULTIPLEX_PORT);
|
|
sd_io_resume(1, 1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
__attribute__((weak)) u8 iokey_filter_hook(u8 io_state)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
u8 io_get_key_value(void)
|
|
{
|
|
int i;
|
|
|
|
u8 press_value = 0;
|
|
u8 read_value = 0;
|
|
u8 read_io;
|
|
u8 write_io;
|
|
u8 connect_way;
|
|
u8 ret_value = NO_KEY;
|
|
u8 bit_mark = 0;
|
|
|
|
if (!__this->enable) {
|
|
return NO_KEY;
|
|
}
|
|
|
|
//先扫描单IO接按键方式
|
|
for (i = 0; i < __this->num; i++) {
|
|
connect_way = __this->port[i].connect_way;
|
|
|
|
if (connect_way == ONE_PORT_TO_HIGH) {
|
|
press_value = 1;
|
|
} else if (connect_way == ONE_PORT_TO_LOW) {
|
|
press_value = 0;
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
read_io = __this->port[i].key_type.one_io.port;
|
|
|
|
#if (TCFG_IO_MULTIPLEX_WITH_SD == ENABLE)
|
|
if (read_io == TCFG_MULTIPLEX_PORT) {
|
|
read_value = mult_key_value;
|
|
} else {
|
|
read_value = get_io_key_value(read_io);
|
|
}
|
|
#else
|
|
read_value = get_io_key_value(read_io);
|
|
#endif
|
|
if (iokey_filter_hook(read_value)) {
|
|
#ifdef TCFG_IOKEY_TIME_REDEFINE
|
|
extern struct key_driver_para iokey_scan_user_para;
|
|
iokey_scan_user_para.filter_cnt = 0;
|
|
iokey_scan_user_para.press_cnt = 0;
|
|
iokey_scan_user_para.click_cnt = 0;
|
|
iokey_scan_user_para.click_delay_cnt = 0;
|
|
iokey_scan_user_para.last_key = NO_KEY;
|
|
#else
|
|
iokey_scan_para.filter_cnt = 0;
|
|
iokey_scan_para.press_cnt = 0;
|
|
iokey_scan_para.click_cnt = 0;
|
|
iokey_scan_para.click_delay_cnt = 0;
|
|
iokey_scan_para.last_key = NO_KEY;
|
|
#endif
|
|
return NO_KEY;
|
|
}
|
|
if (read_value == press_value) {
|
|
ret_value = __this->port[i].key_value;
|
|
#if MULT_KEY_ENABLE
|
|
MARK_BIT_VALUE(bit_mark, ret_value); //标记被按下的按键
|
|
#else
|
|
goto _iokey_get_value_end;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
//再扫描两个IO接按键方式, in_port: 上拉输入, out_port: 输出低
|
|
for (i = 0; i < __this->num; i++) {
|
|
connect_way = __this->port[i].connect_way;
|
|
if (connect_way == DOUBLE_PORT_TO_IO) {//标准双io
|
|
press_value = 0;
|
|
read_io = __this->port[i].key_type.two_io.in_port;
|
|
key_io_output_low(__this->port[i].key_type.two_io.out_port); //输出低
|
|
key_io_pull_up_input(read_io); //上拉
|
|
read_value = get_io_key_value(read_io);
|
|
key_io_reset(); //按键初始化为单IO检测状态
|
|
if (read_value == press_value) {
|
|
ret_value = __this->port[i].key_value;
|
|
#if MULT_KEY_ENABLE
|
|
MARK_BIT_VALUE(bit_mark, ret_value); //标记被按下的按键
|
|
#else
|
|
goto _iokey_get_value_end;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
#if MULT_KEY_ENABLE
|
|
bit_mark = iokey_value_remap(bit_mark); //组合按键重新映射按键值
|
|
ret_value = (bit_mark != NO_KEY) ? bit_mark : ret_value;
|
|
#endif
|
|
|
|
_iokey_get_value_end:
|
|
return ret_value;
|
|
}
|
|
|
|
|
|
|
|
int iokey_init(const struct iokey_platform_data *iokey_data)
|
|
{
|
|
int i;
|
|
|
|
__this = iokey_data;
|
|
if (__this == NULL) {
|
|
return -EINVAL;
|
|
}
|
|
if (!__this->enable) {
|
|
return KEY_NOT_SUPPORT;
|
|
}
|
|
|
|
key_io_reset();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* #if TCFG_IOKEY_ENABLE */
|
|
|