AG903ライブラリリファレンス
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1: int32_t AG903_SSPMgrSetTxFifoThreshold(AG903_SSPMgrHandle* handle, uint8_t threshold) 2: { 3: int32_t retval = AG903_ENONE; 4: uint8_t ch; 5: uint8_t enable; 6: 7: retval = SSPMgr_CheckHandle(handle, &ch); 8: if(AG903_ENONE != retval) { 9: return -AG903_EINVAL; 10: } 11: 12: if (0 >= threshold || AG903_SSP_FIFO_DEPTH < threshold) { 13: return -AG903_EINVAL; 14: } 15: 16: AG903_SSPPrmCheckEnable(ch, &enable); 17: if (0 != enable) { 18: return -AG903_EPERM; 19: } 20: 21: SspChStat[ch].tx_thod = threshold; 22: AG903_SSPPrmSetTxFifoThreshold(ch, threshold); 23: 24: return retval; 25: }
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