Maxim-integrated 73M1822/73M1922 Control Module Manual de usuario descargar pdf (Pagina 54)

73M1822/73M1922 Control Module User Guide UG_1x22_053

54 Rev. 1.0

6.7.3 M1X22_GPIO_DATA

Description

This IOCTL is used to read or write data from and to the GPIO pin.

#define M1X22_GPIO_DATA _IOWR(0xA4, 0xC2, unsigned int)

Prototype

int ioctl (

int chan_fd,

int M1X22_GPIO_DATA,

unsigned long param );

Parameters

Data Type Name Description

int

chan_fd

Channel descriptor.

int

M1X22_GPIO_DATA

I/O control identifier for this operation.

unsigned long param

Pointer to the

M1X22_GPIO_DATA_t

structure.

Return Values

Data Type Description

unsigned int

0 – Successful.

-1 – Failed to access GPIO data.

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73M1822/73M1922 1
Control Module User Guide 1
Table of Contents 3
1 Introduction 7
2 Overview 8
2.2 Functional Overview 9
2.2.1 Event Generation 10
2.2.4 GPIO Support 11
2.2.6 Call Progress Monitor 12
2.2.7 Billing Tone Filter 12
3 Driver Service Interface 13
and ioctl() 13
4 Country Specific Settings 14
5 Modem Events 15
5.2 Event Identification 16
5.2.4 M1X22_NOPOH_DETECT 17
5.2.5 M1X22_POLARITY_CHG 17
5.2.6 M1X22_RING_DETECT 17
5.2.7 M1X22_RING_DETECT_END 18
5.2.9 M1X22_OV_DETECT 18
5.2.10 M1X22_OI_DETECT 19
5.2.11 M1X22_LINE_STATE 19
5.2.12 M1X22_DIAL_COMPLETE 19
5.2.13 M1X22_DIAL_ABORTED 20
5.2.15 M1X22_GPIO_INTERRUPT 20
6.1.1 M1X22_CH_INIT 22
6.1.2 M1X22_CNTRY_NMBR_GET 23
6.2.1 M1X22_RNG_GET 29
6.2.2 M1X22_POL_GET 30
6.2.3 M1X22_BAT_GET 31
6.2.4 M1X22_POH_GET 32
6.2.5 M1X22_EVENT_GET 33
6.2.6 M1X22_ERROR_CODE_GET 34
6.3.2 M1X22_ATH1 36
6.3.3 M1X22_ATH0 37
6.3.4 M1X22_ATDP 38
6.3.5 M1X22_ATDP_CANCEL 39
6.3.6 M1X22_ATDP_PARAM 40
6.3.7 M1X22_FLSH_CFG 41
6.3.8 M1X22_FLSH_SET 41
6.4 Caller-ID Services 43
6.4.3 M1X22_ENTER_CID_MODE 44
6.4.4 M1X22_EXIT_CID_MODE 45
6.5 Ring Detection Services 46
6.6.1 M1X22_MEASURE_START 48
6.6.2 M1X22_MEASURE_STOP 49
6.6.3 M1X22_MEASURE_UPDATE 50
M1X22_MEASURE_UPDATE_t read; 51
6.7 GPIO Services 52
6.7.2 M1X22_GPIO_CONTROL 53
6.7.3 M1X22_GPIO_DATA 54
6.8 Loopback Services 55
6.9 Miscellaneous 56
6.9.2 M1X22_BTONE_FILTER 57
6.9.3 M1X22_CPROG_MONITOR 58
6.9.4 M1X22_DEBUG_LEVEL_SET 59
7.1 M1X22_COUNTRY_CODE 60
7.2 M1X22_CNTRY_STRUCT_t 62
7.3 M1X22_DEBUG_TRACE_MASK 63
7.4 M1X22_LAST_ERROR_CODE 63
7.5 struct txrx_gain 64
7.6 M1X22_PULSE_DIAL_t 64
7.8 M1X22_THRESH_OVERRIDE_t 65
7.10.3 M1X22_BTONE_FILTER_t 69
7.11.2 M1X22_CPROG_MON_GAIN 70
7.12.1 M1X22_GPIO_NUMBER 72
7.12.5 M1X22_GPIO_DATA_TYPE 74
7.12.8 M1X22_GPIO_CONFIG_t 75
7.12.9 M1X22_GPIO_DATA_t 76
7.13.2 M1X22_LOOPBACK_MODE 77
7.13.3 M1X22_LOOPBACK_t 78
7.14.1 M1X22_MEASURE_ENTITY 79
7.14.2 M1X22_MEASURE_ACTION 79
7.14.5 M1X22_IET_t 82
9 Related Documentation 84
10 Contact Information 84
Appendix A – Country Codes 85
Revision History 86

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