2.2 BSP Rel. 1.0 for PPMC-275 Programmer's Guide
2.2 BSP Rel. 1.0 for PPMC-275 Programmer's Guide
2.2 BSP Rel. 1.0 for PPMC-275 Programmer's Guide
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
API Call Reference List of APIs<br />
bool sdmaInitRxDescRing(SDMA_CHANNEL *sdmaChan, int rxDescNum, int rxBuffSize,<br />
unsigned int rxDescBaseAddr, unsigned int rxBuffBaseAddr)<br />
DESCRIPTION This function prepares a Rx chained list of descriptors and packet<br />
buffers in a <strong>for</strong>m of a ring.<br />
INPUT<br />
SDMA_CHANNEL<br />
*sdmaChan SDMA channel struct<br />
int rxDescNum Number of Rx descriptors<br />
int rxBuffSize Size of Rx buffer<br />
unsigned int<br />
rxDescBaseAddr<br />
unsigned int<br />
rxBuffBaseAddr<br />
Rx descriptors memory area base addr.<br />
Rx buffer memory area base addr.<br />
OUTPUT The routine updates the SDMA channel struct with the in<strong>for</strong>mation<br />
regarding the Rx descriptors and buffers.<br />
RETURN<br />
False If the given descriptors memory area is not aligned<br />
according to SDMA specifications.<br />
True When given descriptors memory area is aligned<br />
according to SDMA specifications<br />
bool sdmaInitTxDescRing(SDMA_CHANNEL*sdmaChan, int txDescNum, int txBuffSize,<br />
unsigned int txDescBaseAddr, unsigned int txBuffBaseAddr)<br />
DESCRIPTION This function prepares a Tx chained list of descriptors and packet<br />
buffers in a <strong>for</strong>m of a ring.<br />
VxWorks 5.5/Tornado <strong>2.2</strong> <strong>BSP</strong> <strong>Rel</strong>. <strong>1.0</strong> <strong>for</strong> <strong>PPMC</strong>-<strong>275</strong> 5 - 61
Change language