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Driver_All_In_One_MT6575_Android4.0

MTK6575

driver

android4.0

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Outline  Overview  Build system  EMI  Download and Boot Up  DCT  Lights System  Touch  LCM  Sensor System  Connectivity  Battery Manager  Audio  Misc.  Appendix

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Driver All In One – MT6575

MSZ

20120109

Outline

 Overview

 Build system

 EMI

 Download and Boot Up

 DCT

 Lights System

 Touch

 LCM

 Sensor System

 Connectivity

 Battery Manager

 Audio

 Misc.

 Appendix

Overview

Strength of MT6575 Smartphone Platform

8M Camera

FWVGA Video Record

Face Detection / Smile Shot

MT6516

One-stop Service:

Analog TV

BT/FM/Wi-Fi/GPS

Turnkey Solution

Android latest version

IOT, FTA, CTS 100% Pass

Tier 1 Performance

Audio/Speech/Modem

Low Power

3D Acceleration

Launcher , Live Wallpaper

Gallery, Games

Full HTML Browser

Better Performance

Dual SIM

Video Telephony

720p Video Playback

Video Streaming

MT6575

CA9 1GHz AP

Rel. 6 HSPA Modem

Use External PMIC

MT6575 Platform – Key Features

▪ Highly-integrated 40nm AP/modem SoC for mainstream smartphones

– High performance 1GHz Cortex-A9 MCU with

• 32K/32K L1 Cache, 256 KB L2 Cache, NEON co-proc.

– Rel. 6 HSPA modem (7.2/5.76 Mbps) integrated

– Stand-alone advanced PMIC (MT6329)

▪ Advanced multi-media subsystem

– High-definition 720p, 30fps video encode/decode

– 8 MP@13fps camera with integrated ISP and rich features

– Improved 3D Graphics (OpenGL ES 1.1/2.0) performance

– qHD (960x540)/24-bit Color Display Controller with

• HDMI/MHL support via external component

– Flash 10.3, Stereo 3D image/video/display support

▪ Multi-mode connectivity enabled by highly-integrated chipset

– 4-band 3G/4-band EDGE cellular modem (MT6162 OthelloH RF)

– BT 3.0 HS + BT 4.0 LE (MT6620, 4-in-1 Combo)

– WiFi 802.11 a/b/g/n (MT6620)

– FM Rx/Tx (MT6620), GPS (MT6620)

剩余214页未读，继续阅读

我用国芯

2014-01-15

很好的MTK资料

Driver_All_In_One_V1_MT6575_4.0

MT6575驱动编写与介绍;密码：2274513048

MTK_MT6575开发驱动部分介绍2510474709.pdf

密码：2510474709 本篇文章适合初学MTK智能机部分的底层驱动学习，虽然是一些简单的介绍，但是对初学者非常好。我就是从这个开始学习的，欢迎一同交流主要内容： 1、与主芯片搭配的芯片及性能 2、android编译环境以及相关指令（包括各个模块的编译以及编译命令） 3、代码自动生成， 4、FLASH以及各个模块在FLASH上的地址 5、Bootloader 6、DCT的使用：按键、中断、ADC、GPIO、电源设置 7、灯控制 8、电源芯片 9、触摸屏 10、LCM 11、Sensor 12、蓝牙、WIFI、GPS、FM 13、电源管理 14、音频 15、I2C 16、耳机 17、USB 18、附加模块

Driver_All_in_One_V1.0

优化SQL语句SELECT * FROM ( SELECT d.driver_id, d.driver_name, v.numberplate, v.vehicle_type, d.driver_photo, d.phone_number, ( SELECT count( 1 ) FROM waybill_info WHERE transport_status<>9 and driver_id = d.driver_id ) AS transportStatus FROM driver_info AS d INNER JOIN driver_vehicle_bind AS d1 ON d.driver_id = d1.driver_id INNER JOIN vehicle_info AS v ON d1.vehicle_id = v.vehicle_id WHERE d1.is_use = 1 AND d1.bind_status = 1 AND v.cert_status = 1 AND d.cert_status = 2 ) AS s WHERE s.driver_id NOT IN ( SELECT driver_id FROM collect_blacklist WHERE user_id = #{userId})

SELECT d.driver_id, d.driver_name, v.numberplate, v.vehicle_type, d.driver_photo, d.phone_number, count(w.waybill_id) AS transportStatus FROM driver_info d INNER JOIN driver_vehicle_bind d1 ON d....

explicit driver(DRIVER_OBJECT* new_driver_obj) { this->driver_obj = referenced_object<DRIVER_OBJECT>(); this->driver_obj.reset(new_driver_obj); }

这段代码是一个名为 "explicit driver" 的构造函数，它的参数是一个指向 DRIVER_OBJECT 结构体的指针 new_driver_obj。在函数体内，它首先通过调用 referenced_object 函数将 driver_obj 成员变量初始化为一个空的 ...

annot launch node of type [mqtt_driver/mqtt_driver_node]: Cannot locate node of type [mqtt_driver_node] in package [mqtt_driver]. Make sure file exists in package path and permission is set to executable (chmod +x)

在你的启动文件中，你应该使用`mqtt_driver/mqtt_driver_node`来指定节点类型，而不是`mqtt_driver_node`。如果上述步骤都没有解决你的问题，请确保你已经正确地安装了`mqtt_driver`包，并且该包已经在ROS环境变量...

SELECT DISTINCT d.driver_id FROM tms_one_transport_order ot INNER JOIN tms_driver d ON d.driver_id = ot.driver_id INNER JOIN tms_one_order o ON ot.order_id = o.order_id where o.order_id = 1409 ORDER BY CASE WHEN (o.start_region = ot.start_region AND o.end_region = ot.end_region) THEN o.order_type WHEN (o.start_region = ot.end_region AND o.end_region = ot.start_region) THEN o.order_type END LIMIT 0, 1000 Error Code: 3065. Expression #1 of ORDER BY clause is not in SELECT list, references column 'huanhai_pre2.o.start_region' which is not in SELECT list; this is incompatible with DISTINCT 0.000 sec 为什么数据库里有的字段，报找不到

在你的查询中，你使用了DISTINCT关键字来返回唯一的driver_id，但是在ORDER BY子句中引用了o.start_region列，该列不在SELECT列表中，因此出现了错误。要解决这个问题，你可以将o.start_region列添加到SELECT列表...

请用中文解释：def generate_launch_description(): driver_dir = os.path.join(get_package_share_directory('lslidar_driver'), 'params', 'lidar_uart_ros2','lsn10.yaml') driver_node = LifecycleNode(package='lslidar_driver', executable='lslidar_driver_node', name='lslidar_driver_node', output='screen', emulate_tty=True, namespace='', parameters=[driver_dir], ) return LaunchDescription([ driver_node, ])

该节点属于`lslidar_driver`包，可执行文件为`lslidar_driver_node`，节点名称为`lslidar_driver_node`。节点输出到屏幕，并且模拟一个tty终端。节点的命名空间为空，参数为`[driver_dir]`，即驱动程序的路径。 3. ...

static void rtc_handler(nrf_drv_rtc_int_type_t int_type) { #if 1 speed_driver_cc_set(speed_driver_counter_get()+DEF_TIME_COUNT,true); //my_printf("rtc_handle %d\r\n", speed_driver_counter_get()); #endif //发出瞬间功率处理事件--不能直接发，采用回调接口 if(g_speed_driver_interval_timer_callback) { g_speed_driver_interval_timer_callback(DEF_TIME_OUT/10); //tick per 92us } // Likely a counter overflow. //APP_ERROR_CHECK(0xFFFFFFFF); }

在这段代码中，它调用了名为`speed_driver_cc_set`的函数，该函数会增加speed_driver_counter的count值，然后设置一个比较值，当count值达到比较值时，会触发另一个中断。同时，它还调用了一个名为`g_speed_driver_...

解释这段代码逻辑 void TPS929120_CorrespondDriverIndexFrmtypeSts(uint8 u8_bus_id_in,uint8 u8_frmtype) { uint8 u8_ValidDrvNum = 0; uint8 u8_RepeatRnblDrvNum = 0; u8_RepeatRnblDrvNum = un_BusShareRam[u8_bus_id_in].st_Tps929120.u8_RepeatRnblMatrixDriverNumber; u8_ValidDrvNum = un_BusShareRam[u8_bus_id_in].st_Tps929120.u8_ValidMatrixDriverNumber; if(un_BusShareRam[u8_bus_id_in].st_Tps929120.st_DrvRnblSts.u8_Refresh_Driver_index == 0) { if( (u8_ValidDrvNum - un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount < u8_RepeatRnblDrvNum) && \ (u8_ValidDrvNum - un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount > 0) ) { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltFrmtypeCount = 0; un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_SendCpltDrvCounter = 0; if(u8_frmtype == TPS929120_PWMFRMMODE) { if(g_u8_Tps92912xFixedOperationAddressflg == 1) { if(TPS929120_FIXEDCHIPNUM == 2) { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = u8_RepeatRnblDrvNum; } else if(TPS929120_FIXEDCHIPNUM == 1) { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = TPS929120_FIXEDCHIPNUM + \ (u8_ValidDrvNum - un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount); } } else { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = \ (u8_ValidDrvNum - un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount) ; } } else { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = \ (u8_ValidDrvNum - un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount) ; } } else if(0 == (u8_ValidDrvNum - un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount)) { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltFrmtypeCount = 0; un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_SendCpltDrvCounter = 0; un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount = 0; if(u8_ValidDrvNum >= u8_RepeatRnblDrvNum) { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = u8_RepeatRnblDrvNum; } else { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = u8_ValidDrvNum; } } else { un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltFrmtypeCount = 0; un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_SendCpltDrvCounter = 0; un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_FrmPackDrvNumPerRnbl = u8_RepeatRnblDrvNum; } un_BusShareRam[u8_bus_id_in].st_Tps929120.st_DrvRnblSts.u8_Refresh_Driver_index = 1; } else { /NO CODE/ } }

&& (un_BusShareRam[u8_bus_id_in].st_Tps929120.st_FrmtypeSts[u8_frmtype].u8_CpltDrvCount != u8_ValidDrvNum) ) { un_BusShareRam[u8_bus_id_in].st_Tps929120.u8_CurRnblDrvIndex = un_BusShareRam[u8_bus_id_...

driver_inject_x64.pdb

driver_inject_x64.pdb是一个名为"driver_inject_x64"的文件的PDB文件。PDB表示程序数据库，它包含程序的调试信息。对于Windows操作系统来说，PDB文件是与可执行文件或驱动程序相关联的，它存储了代码线路、变量名称...

driver_register和bus_add_driver的区别是什么？

driver_register和bus_add_driver都是Linux内核中的函数，但它们的作用不同。driver_register用于注册一个设备驱动程序，而bus_add_driver用于将驱动程序添加到总线中。具体来说，driver_register函数将驱动程序注册...

impulserc_driver_fixer

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/A-die/ private static final String DRIVER_NODE = "/proc/driver/bt_dbg"; 是蓝牙驱动中的节点

如果DRIVER_NODE是蓝牙驱动中的节点，并且在用户版中无法读取，可能是由于以下原因之一： 1. 用户权限不足：如果用户没有足够的权限读取DRIVER_NODE，那么在用户版中无法读取。请确保用户具有足够的权限读取DRIVER_...

macif_reg_custom_pt_fn(macif_custom_pt_callback); fhost_cntrl_start(); fhost_hostapd_driver_init(0); fhost_hostapd_driver_init(1);

这段代码调用了三个函数，分别是 `macif_reg_custom_pt_fn`、`fhost_cntrl_start` 和 `fhost_hostapd_driver_init`。 `macif_reg_custom_pt_fn` 函数是注册一个自定义的 MAC 接口回调函数，该函数需要传入一个回调...

_chassis_data.delta=atan(2L1/(L2+2L2/(fabs(_driver_data.left_speed)/fabs(_driver_data.right_speed)-1)))*180.0f/PI;

其中，`2*L1/(L2+2*L2/(fabs(_driver_data.left_speed)/fabs(_driver_data.right_speed)-1))` 这部分计算出了前轮的转角所对应的正切值，然后通过 `atan()` 计算出了前轮的转角度数。最后乘以 `180.0f/PI`，将弧度值...

void my_touchpad_read( lv_indev_data_t * indev_driver, lv_indev_data_t * dat

void my_touchpad_read( lv_indev_data_t * indev_driver, lv_indev_data_t * dat)是一个函数的声明或原型。这个函数的参数是lv_indev_data_t类型的指针indev_driver和dat。在函数内部，可能会进行与触摸板读取相关...

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Driver_All_In_One_MT6575_Android4.0

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explicit driver(DRIVER_OBJECT* new_driver_obj) { this->driver_obj = referenced_object<DRIVER_OBJECT>(); this->driver_obj.reset(new_driver_obj); }

annot launch node of type [mqtt_driver/mqtt_driver_node]: Cannot locate node of type [mqtt_driver_node] in package [mqtt_driver]. Make sure file exists in package path and permission is set to executable (chmod +x)

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/**A-die**/ private static final String DRIVER_NODE = "/proc/driver/bt_dbg"; 是蓝牙驱动中的节点

macif_reg_custom_pt_fn(macif_custom_pt_callback); fhost_cntrl_start(); fhost_hostapd_driver_init(0); fhost_hostapd_driver_init(1);

_chassis_data.delta=atan(2*L1/(L2+2*L2/(fabs(_driver_data.left_speed)/fabs(_driver_data.right_speed)-1)))*180.0f/PI;

void my_touchpad_read( lv_indev_data_t * indev_driver, lv_indev_data_t * dat

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/A-die/ private static final String DRIVER_NODE = "/proc/driver/bt_dbg"; 是蓝牙驱动中的节点

_chassis_data.delta=atan(2L1/(L2+2L2/(fabs(_driver_data.left_speed)/fabs(_driver_data.right_speed)-1)))*180.0f/PI;