356 lines
10 KiB
C
356 lines
10 KiB
C
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/*************************************************************
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此文件函数主要是linein 插入检测
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支持和sd卡 io复用检测
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**************************************************************/
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#include "app_config.h"
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#include "system/event.h"
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#include "system/init.h"
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#include "system/timer.h"
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#include "asm/power_interface.h"
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#include "asm/adc_api.h"
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#include "linein/linein.h"
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#include "linein/linein_dev.h"
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#include "gpio.h"
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#include "asm/sdmmc.h"
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#if TCFG_APP_LINEIN_EN
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#define LINEIN_STU_HOLD 0
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#define LINEIN_STU_ON 1
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#define LINEIN_STU_OFF 2
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#define LINEIN_DETECT_CNT 3//滤波计算
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#define LOG_TAG_CONST APP_LINEIN
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#define LOG_TAG "[APP_LINEIN_DEV]"
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#define LOG_ERROR_ENABLE
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#define LOG_DEBUG_ENABLE
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#define LOG_INFO_ENABLE
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/* #define LOG_DUMP_ENABLE */
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#define LOG_CLI_ENABLE
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#include "debug.h"
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struct linein_dev_opr {
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struct linein_dev_data *dev;
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u8 cnt;//滤波计算
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u8 stu;//当前状态
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u16 timer;//定时器句柄
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u8 online: 1; //是否在线
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u8 active: 1; //进入sniff的判断标志
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u8 init: 1; //初始化完成标志
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u8 step: 3; //检测阶段
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};
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static struct linein_dev_opr linein_dev_hdl = {0};
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#define __this (&linein_dev_hdl)
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/*----------------------------------------------------------------------------*/
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/*@brief 获取linein是否在线
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@param
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@return 1:在线 0：不在线
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@note app通过这个接口判断linein是否在线
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*/
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/*----------------------------------------------------------------------------*/
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u8 linein_is_online(void)
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{
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#if ((defined TCFG_LINEIN_DETECT_ENABLE) && (TCFG_LINEIN_DETECT_ENABLE == 0))
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return 1;
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#else
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return __this->online;
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#endif//TCFG_LINEIN_DETECT_ENABLE
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}
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/*----------------------------------------------------------------------------*/
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/*@brief 设置inein是否在线
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@param 1:在线 0：不在线
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@return null
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@note 检测驱动通过这个接口判断linein是否在线
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*/
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/*----------------------------------------------------------------------------*/
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void linein_set_online(u8 online)
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{
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__this->online = !!online;
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}
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/*----------------------------------------------------------------------------*/
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/*@brief 发布设备上下线消息
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@param 上下线消息
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*/
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/*----------------------------------------------------------------------------*/
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void linein_event_notify(u8 arg)
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{
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struct sys_event event = {0};
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event.arg = (void *)DEVICE_EVENT_FROM_LINEIN;
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event.type = SYS_DEVICE_EVENT;
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if (arg == DEVICE_EVENT_IN) {
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event.u.dev.event = DEVICE_EVENT_IN;
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} else if (arg == DEVICE_EVENT_OUT) {
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event.u.dev.event = DEVICE_EVENT_OUT;
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} else {
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return ;
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}
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sys_event_notify(&event);
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}
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/*----------------------------------------------------------------------------*/
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/*@brief 检测前使能io
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@param null
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@return null
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@note 检测驱动检测前使能io ，检测完成后设为高阻 可以节约功耗
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(io检测、sd复用ad检测动态使用，单独ad检测不动态修改)
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*/
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/*----------------------------------------------------------------------------*/
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static void linein_io_start(void)
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{
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/* printf("<<<linein_io_start\n"); */
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struct linein_dev_data *linein_dev = (struct linein_dev_data *)__this->dev;
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if (__this->init) {
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return ;
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}
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__this->init = 1;
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if (linein_dev->down) {
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gpio_set_pull_down(linein_dev->port, 1);
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} else {
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gpio_set_pull_down(linein_dev->port, 0);
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}
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if (linein_dev->up) {
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gpio_set_pull_up(linein_dev->port, 1);
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} else {
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gpio_set_pull_up(linein_dev->port, 0);
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}
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if (linein_dev->ad_channel == (u8)NO_CONFIG_PORT) {
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gpio_set_die(linein_dev->port, 1);
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} else {
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gpio_set_die(linein_dev->port, 0);
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}
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gpio_set_hd(linein_dev->port, 0);
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gpio_set_hd0(linein_dev->port, 0);
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gpio_direction_input(linein_dev->port);
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}
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/*----------------------------------------------------------------------------*/
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/*@brief 检测完成关闭使能io
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@param null
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@return null
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@note 检测驱动检测前使能io ，检测完成后设为高阻 可以节约功耗
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(io检测、sd复用ad检测动态使用，单独ad检测不动态修改)
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*/
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/*----------------------------------------------------------------------------*/
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static void linein_io_stop(void)
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{
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/* printf("<<<linein_io_stop\n"); */
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struct linein_dev_data *linein_dev = (struct linein_dev_data *)__this->dev;
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if (!__this->init) {
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return ;
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}
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__this->init = 0;
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gpio_direction_input(linein_dev->port);
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gpio_set_pull_up(linein_dev->port, 0);
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gpio_set_pull_down(linein_dev->port, 0);
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gpio_set_hd(linein_dev->port, 0);
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gpio_set_hd0(linein_dev->port, 0);
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gpio_set_die(linein_dev->port, 0);
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}
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/*----------------------------------------------------------------------------*/
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/*@brief 检测是否在线
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@param 驱动句柄
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@return 1:有设备插入 0：没有设备插入
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@note 检测驱动检测前使能io ，检测完成后设为高阻 可以节约功耗
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(io检测、sd复用ad检测动态使用，单独ad检测不动态修改)
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*/
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/*----------------------------------------------------------------------------*/
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static int linein_sample_detect(void *arg)
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{
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struct linein_dev_data *linein_dev = (struct linein_dev_data *)arg;
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u8 cur_stu;
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if (linein_dev->ad_channel == (u8)NO_CONFIG_PORT) {
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linein_io_start();
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cur_stu = gpio_read(linein_dev->port) ? false : true;
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linein_io_stop();
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if (!linein_dev->up) {
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cur_stu = !cur_stu;
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}
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} else {
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cur_stu = adc_get_value(linein_dev->ad_channel) > linein_dev->ad_vol ? false : true;
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/* printf("<%d> ", adc_get_value(linein_dev->ad_channel)); */
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}
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/* putchar('A' + cur_stu); */
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return cur_stu;
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}
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/*----------------------------------------------------------------------------*/
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/*@brief sd cmd 复用检测是否在线
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@param 驱动句柄
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@return 1:有设备插入 0：没有设备插入
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@note 检测驱动检测前使能io ，检测完成后设为高阻 可以节约功耗
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(io检测、sd复用ad检测动态使用，单独ad检测不动态修改)
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*/
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/*----------------------------------------------------------------------------*/
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static int linein_sample_mult_sd(void *arg)
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{
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struct linein_dev_data *linein_dev = (struct linein_dev_data *)arg;
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linein_io_start();
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u16 ad_value = 0;
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u8 cur_stu;
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if (linein_dev->ad_channel == (u8)NO_CONFIG_PORT) {
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cur_stu = gpio_read(linein_dev->port) ? false : true;
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} else {
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adc_enter_occupy_mode(linein_dev->ad_channel);
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if (adc_occupy_run()) {
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ad_value = adc_get_occupy_value();
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cur_stu = ad_value > linein_dev->ad_vol ? false : true;
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/* printf("\n<%d>\n", ad_value); */
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} else {
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cur_stu = __this->stu;
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}
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adc_exit_occupy_mode();
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}
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/* putchar('A'+cur_stu); */
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/* putchar(cur_stu); */
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linein_io_stop();
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return cur_stu;
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}
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/*----------------------------------------------------------------------------*/
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/*@brief 注册的定时器回调检测函数
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@param 驱动句柄
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@return null
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@note 定时进行检测
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*/
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/*----------------------------------------------------------------------------*/
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static void linein_detect(void *arg)
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{
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int cur_stu;
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struct sys_event event = {0};
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#if ((TCFG_LINEIN_MULTIPLEX_WITH_SD == ENABLE))
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if (sd_io_suspend(TCFG_LINEIN_SD_PORT, 0) == 0) {//判断sd 看是否空闲
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cur_stu = linein_sample_mult_sd(arg);
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sd_io_resume(TCFG_LINEIN_SD_PORT, 0);//使用完，回复sd
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} else {
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return;
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}
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#else
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if (__this->step == 0) {
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__this->step = 1;
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sys_timer_modify(__this->timer, 10);//猜测是检测状态变化的时候改变定时器回调时间
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return ;
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}
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cur_stu = linein_sample_detect(arg);
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if (!__this->active) {
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__this->step = 0;
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sys_timer_modify(__this->timer, 500);//猜测是检测状态不变化的时候改变定时器回调时间
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}
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#endif
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if (cur_stu != __this->stu) {
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__this->stu = cur_stu;
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__this->cnt = 0;
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__this->active = 1;
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} else {
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__this->cnt ++;
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}
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if (__this->cnt < LINEIN_DETECT_CNT) {//滤波计算
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return;
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}
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__this->active = 0;//检测一次完成
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/* putchar(cur_stu); */
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if ((linein_is_online()) && (!__this->stu)) {
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linein_set_online(false);
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linein_event_notify(DEVICE_EVENT_OUT);//发布下线消息
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} else if ((!linein_is_online()) && (__this->stu)) {
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linein_set_online(true);
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linein_event_notify(DEVICE_EVENT_IN);//发布上线消息
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}
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return;
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}
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void linein_detect_timer_add()
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{
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if (!__this || !(__this->dev)) {
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return;
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}
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if (__this->timer == 0) {
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__this->timer = sys_timer_add(__this->dev, linein_detect, 25);
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}
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}
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void linein_detect_timer_del()
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{
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if (__this && __this->timer) {
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sys_timer_del(__this->timer);
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__this->timer = 0;
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}
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}
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static int linein_driver_init(const struct dev_node *node, void *arg)
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{
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struct linein_dev_data *linein_dev = (struct linein_dev_data *)arg;
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if (!linein_dev->enable) {
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linein_set_online(true);
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return 0;
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}
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#if ((defined TCFG_LINEIN_DETECT_ENABLE) && (TCFG_LINEIN_DETECT_ENABLE == 0))
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linein_set_online(true);//没有配置detcct 默认在线
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return 0;
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#endif
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if (linein_dev->port == (u8)NO_CONFIG_PORT) {
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linein_set_online(true);//配置的io 不在范围 ，默认在线
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return 0;
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}
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linein_set_online(false);
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__this->dev = linein_dev;
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#if (!(TCFG_LINEIN_MULTIPLEX_WITH_SD))//复用情况和io检测仅在使用的时候配置io
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if (linein_dev->ad_channel != (u8)NO_CONFIG_PORT) {
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linein_io_start();//初始化io
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adc_add_sample_ch(linein_dev->ad_channel);
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}
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#endif
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__this->timer = sys_timer_add(arg, linein_detect, 50);
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return 0;
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}
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const struct device_operations linein_dev_ops = {
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.init = linein_driver_init,
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};
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/*----------------------------------------------------------------------------*/
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/*@brief 注册的定功耗检测函数
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@param
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@return null
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@note 用于防止检测一次未完成进入了低功耗
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*/
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/*----------------------------------------------------------------------------*/
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static u8 linein_dev_idle_query(void)
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{
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return !__this->active;
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}
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REGISTER_LP_TARGET(linein_dev_lp_target) = {
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.name = "linein_dev",
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.is_idle = linein_dev_idle_query,
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};
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#endif
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