AG903ライブラリリファレンス
内容インデックスホーム
Body Source
本文ソース
1: int32_t AG903_DMACMgrEnable(AG903_DMACMgrHandle *handle) 2: { 3: uint32_t unit = ((AG903_DMACMgrHandleStat*)handle - handle_list); 4: uint8_t enable; 5: 6: 7: if(unit >= AG903_DMAC_UNIT_NUM || &handle_list[unit] != (AG903_DMACMgrHandleStat*)handle) 8: { 9: return -AG903_EINVAL; 10: } 11: 12: 13: enable = DMACMgr_CheckEnable(unit); 14: if(true == enable) { 15: return -AG903_EBUSY; 16: } 17: 18: 22: handle_list[unit].term_count = 0; 23: 24: DMACPrmParamCTRL ctrl; 25: AG903_DMACPrmGetCTRL_REG(unit, &ctrl); 26: ctrl.ChEn = 1; 27: AG903_DMACPrmSetCTRL_REG(unit, &ctrl); 28: 29: return AG903_ENONE; 30: }
Copyright (c) 2017-2025 Axell Corporation. All rights reserved.