ACS ACR89U-A1 User Manual download pdf (Page 89)

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ACR89U-A1 Application Programming Interface

Version 1.00

Page 89 of 115

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{

struct AMessage *pxRxedMessage;

if( xQueue != 0 )

{

// Peek a message on the created queue. Block for 10 ticks if a

// message is not immediately available.

if( xQueuePeek( xQueue, &( pxRxedMessage ), ( portTickType ) 10 ) )

{

// pcRxedMessage now points to the struct AMessage variable

posted

// by vATask, but the item still remains on the queue.

}

// ... Rest of task code.

}

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 114 115

ACR89U-A1 1
Handheld 1
Smart Card Reader 1
Table of Contents 2
Figures 3
1.0. Introduction 4
Page 5 of 115 5
3.2. Data Structures 6
Page 7 of 115 7
3.3. Functions 8
3.3.3. SCard_Manager_CardOn 9
Page 10 of 115 10
4.0. Reader API Functions 11
Page 12 of 115 12
4.2. Buzzer API Functions 13
4.2.2. Functions 14
4.3. Keypad API Functions 15
4.3.1.2. KeyInputEnumType 16
Page 17 of 115 17
4.3.2. Functions 18
4.3.2.2. Key_Msg_ReceiveKey 19
4.3.2.5. Key_Ctrl_ScanLock 20
Page 21 of 115 21
4.4. EEPROM API Functions 22
4.4.2.2. EEPROM_Read 23
4.5.1. Data Structures 24
4.5.2. Functions 24
4.5.2.1. EXRTC_Write_Ram 24
4.5.2.2. EXRTC_Read_Ram 25
4.5.2.3. EXRTC_Write_Time 26
Page 27 of 115 27
4.5.2.5. EXRTC_Read_Time 28
4.5.2.6. EXRTC_Write_Date 29
Page 30 of 115 30
4.5.2.8. EXRTC_Read_Date 31
4.6. LCD API Functions 32
Page 33 of 115 33
4.6.2.5. LCD_ClearDisplay 34
4.6.2.6. LCD_SetContrast 35
4.6.2.7. LCD_SetBacklight 35
4.6.2.8. LCD_Display_Cursor 36
4.6.2.9. LCD_Clear_Cursor 36
4.6.2.10. LCD_Display_Page 36
4.6.2.12. LCD_DisplayOn 37
4.6.2.14. LCD_DisplayHex 38
4.6.2.15. LCD_DisplayHexN 39
4.6.2.16. LCD_DisplayFloat 39
4.6.2.17. LCD_DrawTitleBox 40
4.7.1. Data Structures 41
4.7.2. Functions 42
Page 43 of 115 43
4.8. RS232 API Functions 44
Page 45 of 115 45
4.8.2. Functions 46
4.8.2.1. RS232_Config 46
4.8.2.2. RS232_OpenPort 46
4.8.2.3. RS232_ClosePort 47
4.8.2.5. RS232_Receive 48
4.8.2.6. RS232_Send 49
4.9.1. Data Structures 50
Page 51 of 115 51
4.9.2. Functions 52
4.9.2.3. IO_WriteLEDOutput 53
4.9.2.4. IO_ReadLEDOutput 54
4.9.2.5. IO_SystemShutdown 55
4.9.2.6. IO_SystemSleep 55
4.9.2.7. IO_SystemRestart 55
5.1. Data Structures 56
5.2. Functions 56
6.0. FreeRTOS API Functions 57
Page 58 of 115 58
6.1.3. vTaskDelete 59
6.2. Task Control 60
6.2.2. vTaskDelayUntil 61
6.2.3. uxTaskPriorityGet 62
Page 63 of 115 63
6.2.4. vTaskPrioritySet 64
6.2.5. vTaskSuspend 65
6.2.6. vTaskResume 66
6.3. Task Utilities 67
Page 68 of 115 68
6.4. Kernel Control 69
6.4.4. vTaskSuspendAll 70
6.4.5. xTaskResumeAll 71
Page 72 of 115 72
6.5. Queue Management 73
Page 74 of 115 74
6.5.3. vQueueDelete 75
6.5.4. xQueueSend 75
Page 76 of 115 76
Page 77 of 115 77
6.5.5. xQueueSendToBack 78
Page 79 of 115 79
Page 80 of 115 80
6.5.6. xQueueSendToToFront 81
Page 82 of 115 82
Page 83 of 115 83
6.5.7. xQueueReceive 84
Page 85 of 115 85
Page 86 of 115 86
6.5.8. xQueuePeek 87
Page 88 of 115 88
Page 89 of 115 89
6.6. Semaphore / Mutexes 90
Page 91 of 115 91
Page 92 of 115 92
Page 93 of 115 93
Page 94 of 115 94
6.6.5. xSemaphoreTake 95
Page 96 of 115 96
Page 97 of 115 97
Page 98 of 115 98
Page 99 of 115 99
6.6.7. xSemaphoreGive 100
Page 101 of 115 101
Page 102 of 115 102
Page 103 of 115 103
6.7. Software Timers 104
Page 105 of 115 105
Page 106 of 115 106
Page 107 of 115 107
6.7.2. xTimerIsTimerActive 108
6.7.3. xTimerStart 109
6.7.4. xTimerStop 109
6.7.5. xTimerChangePeriod 110
Page 111 of 115 111
6.7.6. xTimerDelete 112
6.7.7. xTimerReset 112
Page 113 of 115 113
Page 114 of 115 114
6.7.8. pvTimerGetTimerID 115

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ACS ACR89U-A1 User Manual Page 89

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