AG903ライブラリリファレンス
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1: void Usbh_Api_SetPortPower( struct usbd_usb_deviceinfo *usbhub, const uhs_ubit8_t port_num, const uhs_ubit8_t stat ) 2: { 3: uhs_ubit8_t port_power = 0; 4: 5: 6: if( Usbh_susres_get_state() != USBH_SUSRES_STS_IDLE ){ 7: uhs_debug_print (DBG_ERR, ("ERROR : Don't Call Current State!!")); 8: CORE_REPORT_ERROR( USBC_ILLEGAL_ERROR ); 9: return; 10: } 11: 12: if (( usbhub == NULL ) || ( port_num > USB_HW_PORT_NUM )) { 13: CORE_REPORT_ERROR( USBC_INVALID_PARAMETER ); 14: return; 15: } 16: 17: port_power = Usbh_Api_GetPortPower( usbhub, port_num ); 18: 19: if ( port_power == stat ) { 20: 21: return; 22: } 23: 24: switch ( stat ) { 25: case USBH_RH_PORT_POWER_ON: 26: Usbh_Rh_Set_PortPower( port_num ); 27: break; 28: case USBH_RH_PORT_POWER_OFF: 29: Usbh_Rh_Clear_PortPower( port_num ); 30: break; 31: default: 32: break; 33: } 34: 35: }
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