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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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TRACE<br />

[TRACE]<br />

INTNOTSUPP=0/1<br />

Comments<br />

Top of list<br />

Index page<br />

SERIAL<br />

Trace the activity of calls to not supported interrupts or functions.<br />

Set to 0 to disable the debug output. On STDOUT a message is printed at every call to a not supported<br />

interrupt vector or not supported function.<br />

By default the debug output is enabled.<br />

[SERIAL]<br />

EXT_DMA=0/1<br />

Top of list<br />

Index page<br />

SERIAL<br />

Disable/enable DMA receive mode (DMA0 / INT5) on the EXT port. If DMA<br />

receive mode is disabled, the EXT port works with the standard serial interrupt.<br />

The recommended mode is the DMA receive mode. It is only necessary to disable the<br />

DMA receive mode for the EXT port if DMA0 is needed by an external device<br />

(in the future). In the IRQ receive mode, you may loose characters if the system<br />

gets lots of interrupts (e.g. network) or if you are writing to the flash disk (file system calls).<br />

See documentation of the Hardware API.<br />

Example which disables DMA receive mode on the EXT port.<br />

[SERIAL]<br />

EXT_DMA=0<br />

By default, DMA receive mode is enabled.<br />

[SERIAL]<br />

COM_DMA=0/1<br />

Disable/enable DMA receive mode (DMA1 / INT6) on the COM port. If DMA<br />

transfer is disabled, the COM port works with the standard serial interrupt.<br />

The recommended mode is the DMA receive mode. It is only necessary to disable the<br />

DMA receive mode for the COM port if DMA1 will be needed by an external device<br />

(in the future). In the IRQ receive mode, you may loose characters if the system<br />

gets lots of interrupts (e.g. network) or if you are writing to the flash disk (file system calls).<br />

See documentation of the Hardware API.<br />

Page 69 / 400

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