AG903ライブラリリファレンス
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1: int32_t AG903_I2CMgrReleaseHandle(AG903_I2CMgrHandle* handle) 2: { 3: int32_t retval = AG903_ENONE; 4: int32_t result; 5: uint32_t hdlnum; 6: uint8_t ch; 7: 8: result = I2CMgr_CheckHandle(handle, &ch, &hdlnum); 9: if(AG903_ENONE != result) { 10: return -AG903_EINVAL; 11: } 12: if(AG903_I2C_HANDLE_IDLE != I2cHandleStat[ch][hdlnum].stat) { 13: return -AG903_EBUSY; 14: } 15: 16: I2cHandleStat[ch][hdlnum].clbk = NULL; 17: I2cHandleStat[ch][hdlnum].lock = false; 18: 19: return retval; 20: }
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