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M26 OpenCPU用户手册.pdf
About the Document
Contents
Table Index
Figure Index
1 Introduction
2 OpenCPU Platform
2.1. System Architecture
2.2. Open Resources
2.2.1. Processor
2.2.2. Memory Scheme
2.3. Interfaces
2.3.1. Serial Interfaces
2.3.2. GPIO
2.3.3. EINT
2.3.4. PWM
2.3.5. ADC
2.3.6. IIC
2.3.7. SPI
2.3.8. Power Key
2.4. Development Environment
2.4.1. SDK
2.4.2. Editor
2.4.3. Compiler & Compiling
2.4.3.1. Complier
2.4.3.2. Compiling
2.4.3.3. Compiling Output
2.4.4. Download
2.4.5. How to Program
2.4.5.1. Program Composition
2.4.5.2. Program Framework
2.4.5.3. Makefile
2.4.5.4. How to Add .c File
2.4.5.5. How to Add Directory
3 Basic Data Types
3.1. Required Header
3.2. Base Data Type
4 System Configuration
4.1. Configuration for Tasks
4.2. Configuration for GPIO
4.3. Configuration for Customizations
4.3.1. Power Key Config
4.3.2. GPIO for External Watchdog
4.3.3. Debug Port Working Mode Config
5 API Functions
5.1. System API
5.1.1. Usage
5.1.1.1. Receive Message
5.1.1.2. Send Message.
5.1.1.3. Mutex
5.1.1.4. Semaphore
5.1.1.5. Event
5.1.2. API Functions
5.1.2.1. Ql_Reset
5.1.2.2. Ql_Sleep
5.1.2.3. Ql_GetUID
5.1.2.4. Ql_GetCoreVer
5.1.2.5. Ql_GetSDKVer
5.1.2.6. Ql_GetMsSincePwrOn
5.1.2.7. Ql_OS_GetMessage
5.1.2.8. Ql_OS_SendMessage
5.1.2.9. Ql_OS_CreateMutex
5.1.2.10. Ql_OS_TakeMutex
5.1.2.11. Ql_OS_GiveMutex
5.1.2.12. Ql_OS_CreateSemaphore
5.1.2.13. Ql_OS_TakeSemaphore
5.1.2.14. Ql_OS_CreateEvent
5.1.2.15. Ql_OS_WaitEvent
5.1.2.16. Ql_OS_SetEvent
5.1.2.17. Ql_OS_GiveSemaphore
5.1.2.18. Ql_SetLastErrorCode
5.1.2.19. Ql_GetLastErrorCode
5.1.2.20. Ql_OS_GetCurrenTaskLeftStackSize
5.1.2.21. Ql_OS_GetActiveTaskId
5.1.3. Possible Error Code
5.1.4. Example
5.2. Time API
5.2.1. Usage
5.2.2. API Functions
5.2.2.1. Ql_SetLocalTime
5.2.2.2. Ql_GetLocalTime
5.2.2.3. Ql_Mktime
5.2.2.4. Ql_MKTime2CalendarTime
5.2.3. Example
5.3. Timer API
5.3.1. Usage
5.3.2. API Functions
5.3.2.1. Ql_Timer_Register
5.3.2.2. Ql_Timer_RegisterFast
5.3.2.3. Ql_Timer_Start
5.3.2.4. Ql_Timer_Stop
5.3.3. Example
5.4. Power Management API
5.4.1. Usage
5.4.1.1. Power on/off
5.4.1.2. Sleep Mode
5.4.2. API Functions
5.4.2.1. Ql_PowerDown
5.4.2.2. Ql_LockPower
5.4.2.3. Ql_PwrKey_Register
5.4.2.4. Ql_SleepEnable
5.4.2.5. Ql_SleepDisable
5.4.3. Example
5.5. Memory API
5.5.1. Usage
5.5.2. API Functions
5.5.2.1. Ql_MEM_Alloc
5.5.2.2. Ql_MEM_Free
5.5.3. Example
5.6. File System API
5.6.1. Usage
5.6.2. API Functions
5.6.2.1. Ql_FS_Open
5.6.2.2. Ql_FS_OpenRAMFile
5.6.2.3. Ql_FS_Read
5.6.2.4. Ql_FS_Write
5.6.2.5. Ql_FS_Seek
5.6.2.6. Ql_FS_GetFilePosition
5.6.2.7. Ql_FS_Truncate
5.6.2.8. Ql_FS_Flush
5.6.2.9. Ql_FS_Close
5.6.2.10. Ql_FS_GetSize
5.6.2.11. Ql_FS_Delete
5.6.2.12. Ql_FS_Check
5.6.2.13. Ql_FS_Rename
5.6.2.14. Ql_FS_CreateDir
5.6.2.15. Ql_FS_DeleteDir
5.6.2.16. Ql_FS_CheckDir
5.6.2.17. Ql_FS_FindFirst
5.6.2.18. Ql_FS_FindNext
5.6.2.19. Ql_FS_FindClose
5.6.2.20. Ql_FS_XDelete
5.6.2.21. Ql_FS_XMove
5.6.2.22. Ql_FS_ GetFreeSpace
5.6.2.23. Ql_FS_GetTotalSpace
5.6.2.24. Ql_FS_Format
5.6.3. Example
5.7. Hardware Interface API
5.7.1. UART
5.7.1.1. UART Overview
5.7.1.2. UART Usage
5.7.1.3. API Functions
5.7.1.4. Ql_UART_Register
5.7.1.5. Ql_UART_Open
5.7.1.6. Ql_UART_OpenEx
5.7.1.7. Ql_UART_Write
5.7.1.8. Ql_UART_Read
5.7.1.9. Ql_UART_SetDCBConfig
5.7.1.10. Ql_UART_GetDCBConfig
5.7.1.11. Ql_UART_ClrRxBuffer
5.7.1.12. Ql_UART_ClrTxBuffer
5.7.1.13. Ql_UART_GetPinStatus
5.7.1.14. Ql_UART_SetPinStatus
5.7.1.15. Ql_UART_SendEscap
5.7.1.16. Ql_UART_Close
5.7.1.17. Example
5.7.2. GPIO
5.7.2.1. GPIO Overview
5.7.2.2. GPIO List
5.7.2.3. GPIO Initial Configuration
5.7.2.4. GPIO Usage
5.7.2.5. API Functions
5.7.2.6. Ql_GPIO_Init
5.7.2.7. Ql_GPIO_GetLevel
5.7.2.8. Ql_GPIO_SetLevel
5.7.2.9. Ql_GPIO_GetDirection
5.7.2.10. Ql_GPIO_SetDirection
5.7.2.11. Ql_GPIO_GetPullSelection
5.7.2.12. Ql_GPIO_SetPullSelection
5.7.2.13. Ql_GPIO_Uninit
5.7.2.14. Example
5.7.3. EINT
5.7.3.1. EINT Overview
5.7.3.2. EINT Usage
5.7.3.3. API Functions
5.7.3.4. Ql_EINT_Register
5.7.3.5. Ql_EINT_RegisterFast
5.7.3.6. Ql_EINT_Init
5.7.3.7. Ql_EINT_Uninit
5.7.3.8. Ql_EINT_GetLevel
5.7.3.9. Ql_EINT_Mask
5.7.3.10. Ql_EINT_Unmask
5.7.3.11. Example
5.7.4. PWM
5.7.4.1. PWM Overview
5.7.4.2. PWM Usage
5.7.4.3. API Functions
5.7.4.4. Ql_PWM_Init
5.7.4.5. Ql_PWM_Uninit
5.7.4.6. Ql_PWM_Output
5.7.4.7. Example
5.7.5. ADC
5.7.5.1. ADC Overview
5.7.5.2. ADC Usage
5.7.5.3. API Functions
5.7.5.4. Ql_ADC_Register
5.7.5.5. Ql_ADC_Init
5.7.5.6. Ql_ADC_Sampling
5.7.5.7. Example
5.7.6. IIC
5.7.6.1. IIC Overview
5.7.6.2. IIC Usage
5.7.6.3. API Functions
5.7.6.4. Ql_IIC_Init
5.7.6.5. Ql_IIC_Config
5.7.6.6. Ql_IIC_Write
5.7.6.7. Ql_IIC_Read
5.7.6.8. Ql_IIC_WriteRead
5.7.6.9. Ql_IIC_Uninit
5.7.6.10. Example
5.7.7. SPI
5.7.7.1. SPI Overview
5.7.7.2. SPI Usage
5.7.7.3. API Functions
5.7.7.4. Ql_SPI_Init
5.7.7.5. Ql_SPI_Config
5.7.7.6. Ql_SPI_Write
5.7.7.7. Ql_SPI_Read
5.7.7.8. Ql_SPI_WriteRead
5.7.7.9. Ql_SPI_Uninit
5.7.7.10. Example
5.8. GPRS API
5.8.1. Overview
5.8.2. Usage
5.8.3. API Functions
5.8.3.1. Ql_GPRS_Register
5.8.3.2. Callback_GPRS_Actived
5.8.3.3. CallBack_GPRS_Deactived
5.8.3.4. Ql_GPRS_Config
5.8.3.5. Ql_GPRS_Activate
5.8.3.6. Ql_GPRS_ActivateEx
5.8.3.7. Ql_GPRS_Deactivate
5.8.3.8. Ql_GPRS_DeactivateEx
5.8.3.9. Ql_GPRS_GetLocalIPAddress
5.8.3.10. Ql_GPRS_GetDNSAddress
5.8.3.11. Ql_GPRS_SetDNS Address
5.9. Socket API
5.9.1. Overview
5.9.2. Usage
5.9.2.1. TCP Client Socket Usage
5.9.2.2. TCP Server Socket Usage
5.9.2.3. UDP Service Socket Usage
5.9.3. API Functions
5.9.3.1. Ql_SOC_Register
5.9.3.2. Callback_Socket_Connect
5.9.3.3. Callback_Socket_Close
5.9.3.4. Callback_Socket_Accept
5.9.3.5. Callback_Socket_Read
5.9.3.6. Callback_Socket_Write
5.9.3.7. Ql_SOC_Create
5.9.3.8. Ql_SOC_Close
5.9.3.9. Ql_SOC_Connect
5.9.3.10. Ql_SOC_ConnectEx
5.9.3.11. Ql_SOC_Send
5.9.3.12. Ql_SOC_Recv
5.9.3.13. Ql_SOC_GetAckNumber
5.9.3.14. Ql_SOC_SendTo
5.9.3.15. Ql_SOC_RecvFrom
5.9.3.16. Ql_SOC_Bind
5.9.3.17. Ql_SOC_Listen
5.9.3.18. Ql_SOC_Accept
5.9.3.19. Ql_IpHelper _GetIPByHostName
5.9.3.20. Ql_IpHelper_ConvertIpAddr
5.9.4. Possible Error Codes
5.9.5. Example
5.10. Watchdog API
5.11. FOTA API
5.11.1. Usage
5.11.2. API Functions
5.11.2.1. Ql_FOTA _Init
5.11.2.2. Ql_FOTA_WriteData
5.11.2.3. Ql_FOTA_ReadData
5.11.2.4. Ql_FOTA_Finish
5.11.2.5. Ql_FOTA_Update
5.11.3. Example
5.12. Debug API
5.12.1. Usage
5.12.2. API Functions
5.12.2.1. Ql_Debug_Trace
5.13. RIL API
5.13.1. AT API
5.13.1.1. Ql_RIL_SendATCmd
5.13.2. Telephony API
5.13.2.1. RIL_Telephony_Dial
5.13.2.2. RIL_Telephony_Answer
5.13.2.3. RIL_Telephony_Hangup
5.13.3. SMS API
5.13.3.1. RIL_SMS_ReadSMS_Text
5.13.3.2. RIL_SMS_ReadSMS_PDU
5.13.3.3. RIL_SMS_SendSMS_Text
5.13.3.4. RIL_SMS_SendSMS_PDU
5.13.3.5. RIL_SMS_DeleteSMS
5.13.4. SIM Card and Network Related API
5.13.4.1. RIL_NW_GetSIMCardState
5.13.4.2. RIL_NW_GetGSMState
5.13.4.3. RIL_NW_GetGPRSState
5.13.4.4. RIL_NW_GetSignalQuality
5.13.4.5. RIL_NW_SetGPRSContext
5.13.4.6. RIL_NW_SetAPN
5.13.5. GSM location API
5.13.5.1. RIL_GetLocation
5.13.6. Secure data API
5.13.6.1. Ql_SecureData_Store
5.13.6.2. Ql_SecureData_Read
5.13.7. System API
5.13.7.1. RIL_QuerySysInitStatus
5.13.7.2. RIL_GetPowerSupply
6 Appendix
6.1. Reference
M26-OpenCPU
User Guide
GSM/GPRS Module Series
Rev. M26-OpenCPU_User_Guide_V1.0
Date: 2014-12-29
www.quectel.com
GSM/GPRS Module Series
M26-OpenCPU User Guide
Our aim is to provide customers with timely and comprehensive service. For any
assistance, please contact our company headquarters:
Quectel Wireless Solutions Co., Ltd.
Office 501, Building 13, No.99, Tianzhou Road, Shanghai, China, 200233
Tel: +86 21 5108 6236
Mail: info@quectel.com
Or our local office, for more information, please visit:
http://www.quectel.com/support/salesupport.aspx
For technical support, to report documentation errors, please visit:
http://www.quectel.com/support/techsupport.aspx
GENERAL NOTES
QUECTEL OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION
PROVIDED IS BASED UPON CUSTOMERS’ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT
TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT
MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT
ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR
RELIANCE UPON THE INFORMATION. ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO
CHANGE WITHOUT PRIOR NOTICE.
COPYRIGHT
THIS INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF
QUECTEL CO., LTD. TRANSMITTABLE, REPRODUCTION, DISSEMINATION AND EDITING OF THIS
DOCUMENT AS WELL AS UTILIZATION OF THIS CONTENTS ARE FORBIDDEN WITHOUT
PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES. ALL RIGHTS
ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY MODEL
OR DESIGN.
Copyright © Quectel Wireless Solutions Co., Ltd. 2014. All rights reserved.
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MODULE TYPE
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About the Document
History
Revision
Date
Author
Description
1.0
2014-12-29
Stanley YONG
Initial
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Contents
About the Document ................................................................................................................................... 3
Contents ....................................................................................................................................................... 4
Table Index ................................................................................................................................................. 12
Figure Index ............................................................................................................................................... 13
1
Introduction ........................................................................................................................................ 14
2 OpenCPU Platform ............................................................................................................................. 15
2.1.
System Architecture ................................................................................................................ 15
2.2. Open Resources ..................................................................................................................... 16
2.2.1. Processor ....................................................................................................................... 16
2.2.2. Memory Scheme ............................................................................................................ 16
2.3.
Interfaces ................................................................................................................................. 16
2.3.1. Serial Interfaces ............................................................................................................. 16
2.3.2. GPIO .............................................................................................................................. 16
2.3.3. EINT ............................................................................................................................... 17
2.3.4. PWM ............................................................................................................................... 17
2.3.5. ADC ................................................................................................................................ 17
2.3.6.
IIC ................................................................................................................................... 17
2.3.7. SPI .................................................................................................................................. 17
2.3.8. Power Key ...................................................................................................................... 17
2.4.
Development Environment ...................................................................................................... 18
2.4.1. SDK ................................................................................................................................ 18
2.4.2. Editor .............................................................................................................................. 18
2.4.3. Compiler & Compiling .................................................................................................... 18
2.4.3.1.
Complier ............................................................................................................ 18
2.4.3.2.
Compiling ........................................................................................................... 18
2.4.3.3.
Compiling Output ............................................................................................... 19
2.4.4. Download ....................................................................................................................... 19
2.4.5. How to Program ............................................................................................................. 19
2.4.5.1.
Program Composition ........................................................................................ 19
2.4.5.2.
Program Framework .......................................................................................... 20
2.4.5.3.
Makefile ............................................................................................................. 22
2.4.5.4.
How to Add .c File .............................................................................................. 23
2.4.5.5.
How to Add Directory ......................................................................................... 23
3 Basic Data Types ............................................................................................................................... 24
3.1.
3.2.
Required Header ..................................................................................................................... 24
Base Data Type ....................................................................................................................... 24
4 System Configuration ........................................................................................................................ 26
4.1.
4.2.
Configuration for Tasks............................................................................................................ 26
Configuration for GPIO ............................................................................................................ 27
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4.3.
Configuration for Customizations ............................................................................................ 27
4.3.1. Power Key Config .......................................................................................................... 28
4.3.2. GPIO for External Watchdog .......................................................................................... 29
4.3.3. Debug Port Working Mode Config ................................................................................. 30
5 API Functions ..................................................................................................................................... 31
5.1.
System API .............................................................................................................................. 31
5.1.1. Usage ............................................................................................................................. 31
5.1.1.1.
Receive Message .............................................................................................. 31
5.1.1.2.
Send Message. .................................................................................................. 31
5.1.1.3.
Mutex ................................................................................................................. 32
5.1.1.4.
Semaphore ........................................................................................................ 32
5.1.1.5.
Event .................................................................................................................. 32
5.1.2. API Functions ................................................................................................................. 32
5.1.2.1.
Ql_Reset ............................................................................................................ 32
5.1.2.2.
Ql_Sleep ............................................................................................................ 33
5.1.2.3.
Ql_GetUID ......................................................................................................... 33
5.1.2.4.
Ql_GetCoreVer .................................................................................................. 34
5.1.2.5.
Ql_GetSDKVer .................................................................................................. 34
5.1.2.6.
Ql_GetMsSincePwrOn ...................................................................................... 35
5.1.2.7.
Ql_OS_GetMessage ......................................................................................... 35
5.1.2.8.
Ql_OS_SendMessage ....................................................................................... 36
5.1.2.9.
Ql_OS_CreateMutex ......................................................................................... 37
5.1.2.10. Ql_OS_TakeMutex ............................................................................................ 37
5.1.2.11. Ql_OS_GiveMutex ............................................................................................. 37
5.1.2.12. Ql_OS_CreateSemaphore ................................................................................ 38
5.1.2.13. Ql_OS_TakeSemaphore ................................................................................... 38
5.1.2.14. Ql_OS_CreateEvent .......................................................................................... 39
5.1.2.15. Ql_OS_WaitEvent ............................................................................................. 39
5.1.2.16. Ql_OS_SetEvent ............................................................................................... 40
5.1.2.17. Ql_OS_GiveSemaphore .................................................................................... 41
5.1.2.18. Ql_SetLastErrorCode ........................................................................................ 41
5.1.2.19. Ql_GetLastErrorCode ........................................................................................ 41
5.1.2.20. Ql_OS_GetCurrenTaskLeftStackSize ............................................................... 42
5.1.2.21. Ql_OS_GetActiveTaskId .................................................................................... 42
5.1.3. Possible Error Code ....................................................................................................... 43
5.1.4. Example ......................................................................................................................... 43
5.2.
Time API .................................................................................................................................. 44
5.2.1. Usage ............................................................................................................................. 44
5.2.2. API Functions ................................................................................................................. 45
5.2.2.1.
Ql_SetLocalTime ............................................................................................... 45
5.2.2.2.
Ql_GetLocalTime ............................................................................................... 45
5.2.2.3.
Ql_Mktime.......................................................................................................... 46
5.2.2.4.
Ql_MKTime2CalendarTime ............................................................................... 46
5.2.3. Example ......................................................................................................................... 47
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5.3.
Timer API ................................................................................................................................. 48
5.3.1. Usage ............................................................................................................................. 48
5.3.2. API Functions ................................................................................................................. 48
5.3.2.1.
Ql_Timer_Register ............................................................................................ 48
5.3.2.2.
Ql_Timer_RegisterFast ..................................................................................... 49
5.3.2.3.
Ql_Timer_Start ................................................................................................... 49
5.3.2.4.
Ql_Timer_Stop ................................................................................................... 50
5.3.3. Example ......................................................................................................................... 51
5.4.
Power Management API ......................................................................................................... 51
5.4.1. Usage ............................................................................................................................. 51
5.4.1.1.
Power on/off....................................................................................................... 51
5.4.1.2.
Sleep Mode ....................................................................................................... 52
5.4.2. API Functions ................................................................................................................. 52
5.4.2.1.
Ql_PowerDown .................................................................................................. 52
5.4.2.2.
Ql_LockPower ................................................................................................... 52
5.4.2.3.
Ql_PwrKey_Register ......................................................................................... 53
5.4.2.4.
Ql_SleepEnable ................................................................................................. 53
5.4.2.5.
Ql_SleepDisable ................................................................................................ 54
5.4.3. Example ......................................................................................................................... 54
5.5. Memory API ............................................................................................................................. 54
5.5.1. Usage ............................................................................................................................. 55
5.5.2. API Functions ................................................................................................................. 55
5.5.2.1.
Ql_MEM_Alloc ................................................................................................... 55
5.5.2.2.
Ql_MEM_Free ................................................................................................... 55
5.5.3. Example ......................................................................................................................... 56
5.6.
File System API ....................................................................................................................... 56
5.6.1. Usage ............................................................................................................................. 56
5.6.2. API Functions ................................................................................................................. 57
5.6.2.1.
Ql_FS_Open ...................................................................................................... 57
5.6.2.2.
Ql_FS_OpenRAMFile ........................................................................................ 58
5.6.2.3.
Ql_FS_Read ...................................................................................................... 59
5.6.2.4.
Ql_FS_Write ...................................................................................................... 59
5.6.2.5.
Ql_FS_Seek ...................................................................................................... 60
5.6.2.6.
Ql_FS_GetFilePosition ...................................................................................... 61
5.6.2.7.
Ql_FS_Truncate ................................................................................................ 61
5.6.2.8.
Ql_FS_Flush ...................................................................................................... 62
5.6.2.9.
Ql_FS_Close ..................................................................................................... 62
5.6.2.10. Ql_FS_GetSize .................................................................................................. 63
5.6.2.11. Ql_FS_Delete .................................................................................................... 63
5.6.2.12. Ql_FS_Check .................................................................................................... 64
5.6.2.13. Ql_FS_Rename ................................................................................................. 64
5.6.2.14. Ql_FS_CreateDir ............................................................................................... 65
5.6.2.15. Ql_FS_DeleteDir ............................................................................................... 65
5.6.2.16. Ql_FS_CheckDir ................................................................................................ 66
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5.6.2.17. Ql_FS_FindFirst ................................................................................................ 66
5.6.2.18. Ql_FS_FindNext ................................................................................................ 67
5.6.2.19. Ql_FS_FindClose .............................................................................................. 68
5.6.2.20. Ql_FS_XDelete .................................................................................................. 68
5.6.2.21. Ql_FS_XMove ................................................................................................... 69
5.6.2.22. Ql_FS_ GetFreeSpace ...................................................................................... 70
5.6.2.23. Ql_FS_GetTotalSpace ....................................................................................... 70
5.6.2.24. Ql_FS_Format ................................................................................................... 71
5.6.3. Example ......................................................................................................................... 71
5.7.
Hardware Interface API ........................................................................................................... 76
5.7.1. UART .............................................................................................................................. 76
5.7.1.1.
UART Overview ................................................................................................. 76
5.7.1.2.
UART Usage ...................................................................................................... 77
5.7.1.3.
API Functions .................................................................................................... 77
5.7.1.4.
Ql_UART_Register ............................................................................................ 77
5.7.1.5.
Ql_UART_Open ................................................................................................ 78
5.7.1.6.
Ql_UART_OpenEx ............................................................................................ 79
5.7.1.7.
Ql_UART_Write ................................................................................................. 80
5.7.1.8.
Ql_UART_Read ................................................................................................. 80
5.7.1.9.
Ql_UART_SetDCBConfig .................................................................................. 81
5.7.1.10. Ql_UART_GetDCBConfig ................................................................................. 82
5.7.1.11. Ql_UART_ClrRxBuffer ....................................................................................... 83
5.7.1.12. Ql_UART_ClrTxBuffer ....................................................................................... 83
5.7.1.13. Ql_UART_GetPinStatus .................................................................................... 84
5.7.1.14. Ql_UART_SetPinStatus..................................................................................... 85
5.7.1.15. Ql_UART_SendEscap ....................................................................................... 85
5.7.1.16. Ql_UART_Close ................................................................................................ 86
5.7.1.17. Example ............................................................................................................. 86
5.7.2. GPIO .............................................................................................................................. 87
5.7.2.1.
GPIO Overview .................................................................................................. 87
5.7.2.2.
GPIO List ........................................................................................................... 87
5.7.2.3.
GPIO Initial Configuration .................................................................................. 88
5.7.2.4.
GPIO Usage ...................................................................................................... 88
5.7.2.5.
API Functions .................................................................................................... 89
5.7.2.6.
Ql_GPIO_Init ..................................................................................................... 89
5.7.2.7.
Ql_GPIO_GetLevel............................................................................................ 89
5.7.2.8.
Ql_GPIO_SetLevel ............................................................................................ 90
5.7.2.9.
Ql_GPIO_GetDirection ...................................................................................... 90
5.7.2.10. Ql_GPIO_SetDirection ...................................................................................... 91
5.7.2.11. Ql_GPIO_GetPullSelection ............................................................................... 91
5.7.2.12. Ql_GPIO_SetPullSelection ................................................................................ 91
5.7.2.13. Ql_GPIO_Uninit ................................................................................................. 92
5.7.2.14. Example ............................................................................................................. 92
5.7.3. EINT ............................................................................................................................... 93
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