Semtech LR1121 - Setdioirqparams; Clearirq; Table 4-3: Setdioirqparams Command; Table 4-4: Clearirq Command

LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
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4.1.1 SetDioIrqParams
Command SetDioIrqParams(...) configures which interrupt signal should be activated on the DIO9 and/or DIO11
interrupt pin (referred to as IRQ pin 1 and/or 2).
4.1.2 ClearIrq
The ClearIrq(...) command clears the selected interrupt signals by writing a 1 in the respective bit.
The IrqToClear is identical to IrqToEnable assignment.
Table 4-3: SetDioIrqParams Command
Byte 0 1 2 3 4 5
Data from Host 0x01 0x13
Irq1ToEnable
(31:24)
Irq1ToEnable
(23:16)
Irq1ToEnable
(15:8)
Irq1ToEnable
(7:0)
Data to Host Stat1 Stat2
IrqStatus
(31:24)
IrqStatus
(23:16)
IrqStatus
(15:8)
IrqStatus
(7:0)
Byte 6 7 8 9
Data from Host Irq2ToEnable (31:24) Irq2ToEnable (23:16) Irq2ToEnable (15:8) Irq2ToEnable (7:0)
Data to Host 0x00 0x00 0x00 0x00
Table 4-4: ClearIrq Command
Byte 0 1 2 3 4 5
Data from Host 0x01 0x14
IrqToClear
(31:24)
IrqToClear
(23:16)
IrqToClear
(15:8)
IrqToClear
(7:0)
Data to Host Stat1 Stat2
IrqStatus
(31:24)
IrqStatus
(23:16)
IrqStatus
(15:8)
IrqStatus
(7:0)