AG903ライブラリリファレンス
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1: int32_t AG903_UARTMgrGetHandle(uint8_t ch, AG903_UARTMgrHandle** handle) 2: { 3: int32_t retval = AG903_ENONE; 4: 5: if( (AG903_UART_CH_NUM <= ch) || 6: (NULL == handle) ) { 7: return -AG903_EINVAL; 8: } 9: if(true == UartHandleStat[ch].lock) { 10: return -AG903_EBUSY; 11: } 12: 13: UARTMgr_InitState(ch); 14: 15: UartHandleStat[ch].lock = true; 16: 17: (*handle) = (AG903_UARTMgrHandle*)&UartHandleStat[ch]; 18: 19: return retval; 20: }
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