/* Copyright (c) 2014 Arduino LLC. All right reserved. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* **Modified 04/04/2016 by Arduino.org development team */ #ifndef UOTGHS_HOST_H_INCLUDED #define UOTGHS_HOST_H_INCLUDED #ifdef __cplusplus extern "C" { #endif extern __attribute__((__aligned__(4))) volatile UsbHostDescriptor usb_pipe_table[USB_EPT_NUM]; #define USB_EP_DIR_IN 0x80 // USB_SETUP_DEVICE_TO_HOST #define USB_EP_DIR_OUT 0x00 // USB_SETUP_HOST_TO_DEVICE #define USB_HOST_PTYPE_DIS USB_HOST_PCFG_PTYPE(0x0) // Pipe is disabled #define USB_HOST_PTYPE_CTRL USB_HOST_PCFG_PTYPE(0x1) // Pipe is enabled and configured as CONTROL #define USB_HOST_PTYPE_ISO USB_HOST_PCFG_PTYPE(0x2) // Pipe is enabled and configured as ISO #define USB_HOST_PTYPE_BULK USB_HOST_PCFG_PTYPE(0x3) // Pipe is enabled and configured as BULK #define USB_HOST_PTYPE_INT USB_HOST_PCFG_PTYPE(0x4) // Pipe is enabled and configured as INTERRUPT #define USB_HOST_PTYPE_EXT USB_HOST_PCFG_PTYPE(0x5) // Pipe is enabled and configured as EXTENDED #define USB_HOST_NB_BK_1 1 #define USB_HOST_PCFG_PTOKEN_SETUP USB_HOST_PCFG_PTOKEN(0x0) #define USB_HOST_PCFG_PTOKEN_IN USB_HOST_PCFG_PTOKEN(0x1) #define USB_HOST_PCFG_PTOKEN_OUT USB_HOST_PCFG_PTOKEN(0x2) #define USB_ERRORFLOW USB_HOST_STATUS_BK_ERRORFLOW #define USB_ERRORTIMEOUT USB_HOST_STATUS_PIPE_TOUTER #define USB_ERROR_DATATOGGLE USB_HOST_STATUS_PIPE_DTGLER #define USB_PCKSIZE_SIZE_8_BYTES 0 #define USB_PCKSIZE_SIZE_16_BYTES 1 #define USB_PCKSIZE_SIZE_32_BYTES 2 #define USB_PCKSIZE_SIZE_64_BYTES 3 #define USB_PCKSIZE_SIZE_128_BYTES 4 #define USB_PCKSIZE_SIZE_256_BYTES 5 #define USB_PCKSIZE_SIZE_512_BYTES 6 #define USB_PCKSIZE_SIZE_1023_BYTES_FS 7 #define USB_PCKSIZE_SIZE_1024_BYTES_HS 7 #define USB_HOST_DTGL(p) (USB->HOST.HostPipe[p].PSTATUS.reg & USB_HOST_PSTATUS_DTGL)>>USB_HOST_PSTATUS_DTGL_Pos // USB host connection/disconnection monitoring #define uhd_enable_connection_int() USB->HOST.INTENSET.reg = USB_HOST_INTENSET_DCONN #define uhd_disable_connection_int() USB->HOST.INTENCLR.reg = USB_HOST_INTENCLR_DCONN #define uhd_ack_connection() USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_DCONN #define uhd_enable_disconnection_int() USB->HOST.INTENSET.reg = USB_HOST_INTENSET_DDISC #define uhd_disable_disconnection_int() USB->HOST.INTENCLR.reg = USB_HOST_INTENCLR_DDISC #define uhd_ack_disconnection() USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_DDISC // Initiates a USB register reset #define uhd_start_USB_reg_reset() USB->HOST.CTRLA.bit.SWRST = 1; // Bus Reset #define Is_uhd_starting_reset() (USB->HOST.CTRLB.bit.BUSRESET == 1) #define UHD_BusReset() USB->HOST.CTRLB.bit.BUSRESET = 1 #define uhd_stop_reset() // nothing to do #define uhd_ack_reset_sent() USB->HOST.INTFLAG.reg = USB_HOST_INTFLAG_RST #define Is_uhd_reset_sent() (USB->HOST.INTFLAG.reg & USB_HOST_INTFLAG_RST) // Initiates a SOF events #define uhd_enable_sof() USB->HOST.CTRLB.bit.SOFE = 1 #define uhd_disable_sof() USB->HOST.CTRLB.bit.SOFE = 0 #define Is_uhd_sof_enabled() (USB->HOST.CTRLB & USB_HOST_CTRLB_SOFE) #define Is_uhd_sof() (USB->HOST.INTFLAG.reg & USB_HOST_INTFLAG_HSOF) // USB address of pipes #define uhd_configure_address(pipe_num, addr) usb_pipe_table[pipe_num].HostDescBank[0].CTRL_PIPE.bit.PDADDR = addr #define uhd_get_configured_address(pipe_num) usb_pipe_table[pipe_num].HostDescBank[0].CTRL_PIPE.bit.PDADDR // Pipes #define uhd_freeze_pipe(p) USB->HOST.HostPipe[p].PSTATUSSET.reg = USB_HOST_PSTATUSSET_PFREEZE #define uhd_unfreeze_pipe(p) USB->HOST.HostPipe[p].PSTATUSCLR.reg = USB_HOST_PSTATUSCLR_PFREEZE #define Is_uhd_pipe_frozen(p) ((USB->HOST.HostPipe[p].PSTATUS.reg&USB_HOST_PSTATUS_PFREEZE)==USB_HOST_PSTATUS_PFREEZE) // Pipe configuration #define uhd_configure_pipe_token(p, token) USB->HOST.HostPipe[p].PCFG.bit.PTOKEN = token // Pipe data management #define uhd_byte_count(p) usb_pipe_table[p].HostDescBank[0].PCKSIZE.bit.BYTE_COUNT #define uhd_ack_setup_ready(p) USB->HOST.HostPipe[p].PINTFLAG.reg = USB_HOST_PINTFLAG_TXSTP #define Is_uhd_setup_ready(p) ((USB->HOST.HostPipe[p].PINTFLAG.reg&USB_HOST_PINTFLAG_TXSTP) == USB_HOST_PINTFLAG_TXSTP) #define uhd_ack_in_received(p) USB->HOST.HostPipe[p].PINTFLAG.reg = USB_HOST_PINTFLAG_TRCPT(1) #define Is_uhd_in_received(p) ((USB->HOST.HostPipe[p].PINTFLAG.reg&USB_HOST_PINTFLAG_TRCPT(1)) == USB_HOST_PINTFLAG_TRCPT(1)) #define uhd_ack_out_ready(p) USB->HOST.HostPipe[p].PINTFLAG.reg = USB_HOST_PINTFLAG_TRCPT(1) #define Is_uhd_out_ready(p) ((USB->HOST.HostPipe[p].PINTFLAG.reg&USB_HOST_PINTFLAG_TRCPT(1)) == USB_HOST_PINTFLAG_TRCPT(1)) #define uhd_ack_nak_received(p) usb_pipe_table[p].HostDescBank[1].STATUS_BK.reg &= ~USB_HOST_STATUS_BK_ERRORFLOW #define Is_uhd_nak_received(p) (usb_pipe_table[p].HostDescBank[1].STATUS_BK.reg & USB_HOST_STATUS_BK_ERRORFLOW) // Endpoint Interrupt Summary #define uhd_endpoint_interrupt() USB->HOST.PINTSMRY.reg // Run in Standby #define uhd_run_in_standby() USB->HOST.CTRLA.reg |= USB_CTRLA_RUNSTDBY // Force host mode #define uhd_force_host_mode() USB->HOST.CTRLA.reg |= USB_CTRLA_MODE // Enable USB macro #define uhd_enable() USB->HOST.CTRLA.reg |= USB_CTRLA_ENABLE // Disable USB macro #define uhd_disable() USB->HOST.CTRLA.reg &= ~USB_CTRLA_ENABLE // Force full speed mode #define uhd_force_full_speed() USB->HOST.CTRLB.reg &= ~USB_HOST_CTRLB_SPDCONF_Msk #ifdef __cplusplus } #endif #endif /* UOTGHS_HOST_H_INCLUDED */