AG903ライブラリリファレンス
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1: int32_t AG903_SSPMgrReceiveDma(AG903_SSPMgrHandle* handle, uint8_t* buf, uint32_t size) 2: { 3: int32_t retval = AG903_ENONE; 4: uint8_t ch; 5: 6: retval = SSPMgr_CheckHandle(handle, &ch); 7: if(AG903_ENONE != retval) { 8: return -AG903_EINVAL; 9: } 10: if((NULL == buf) || (0 >= size)) { 11: return -AG903_EINVAL; 12: } 13: 14: if (AG903_SSP_DMA_RECEIVE & SspChStat[ch].dma) { 15: return SSPMgr_ReceiveDma(ch, buf, size); 16: } else { 17: return -AG903_EPERM; 18: } 19: }
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