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IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

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Index page<br />

Interrupt 0xA1 service 0x91: HAL: Refresh Watchdog<br />

Parameters<br />

AH<br />

Strobe the hardware watchdog to reset its timeout period.<br />

Must be 0x91.<br />

Return Value<br />

none<br />

Comments<br />

If the watchdog is in User Program mode, this function must be called at least every 800 ms to prevent a<br />

CPU reset due to watchdog timeout.<br />

Related Topics<br />

Top of list<br />

Index page<br />

Get/Set Watchdog Mode<br />

Interrupt 0xA1 service 0x92: HAL: Mask/Unmask Int<br />

Parameters<br />

AH<br />

AL<br />

DX<br />

Mask or unmask an external Interrupt Request<br />

Must be 0x92.<br />

1=Mask, 0=Unmask<br />

HAL interrupt number from following list:<br />

0 = INT0 (external)<br />

1 = Network controller (internal)<br />

2 = INT2 (external)<br />

3 = INT3 (external)<br />

4 = INT4 (external)<br />

5 = INT5 (external) / Terminal Count DMA Channel 0 (if DMA is used)<br />

6 = INT6 (external) / Terminal Count DMA Channel 1 (if DMA is used)<br />

7 = reserved<br />

8 = Timer0 (internal)<br />

9 = Timer1 (internal)<br />

10 = Timer 1ms (internal)<br />

Page 306 / 400

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