From cc5a4720e5c1295eacf02c7b81fc4454f29cfaa4 Mon Sep 17 00:00:00 2001 From: hathach Date: Thu, 14 Apr 2022 21:51:49 +0700 Subject: catch up with pio lib --- src/portable/raspberrypi/pio_usb/dcd_pio_usb.c | 234 +++++++++++++++++++++++++ src/portable/raspberrypi/pio_usb/hcd_pio_usb.c | 28 ++- 2 files changed, 247 insertions(+), 15 deletions(-) create mode 100644 src/portable/raspberrypi/pio_usb/dcd_pio_usb.c (limited to 'src') diff --git a/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c b/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c new file mode 100644 index 000000000..08d8b6086 --- /dev/null +++ b/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c @@ -0,0 +1,234 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2018, hathach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#include "tusb_option.h" + +#if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RP2040) && CFG_TUD_RPI_PIO_USB + +#include "pico.h" +#include "hardware/pio.h" +#include "pio_usb.h" + +#include "device/dcd.h" + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ + +#define RHPORT_OFFSET 1 +#define RHPORT_PIO(_x) ((_x)-RHPORT_OFFSET) + +static uint8_t new_addr = 0; + +//------------- -------------// +static usb_device_t *usb_device = NULL; +static usb_descriptor_buffers_t desc; + +/*------------------------------------------------------------------*/ +/* Device API + *------------------------------------------------------------------*/ + +// Initialize controller to device mode +void dcd_init (uint8_t rhport) +{ + (void) rhport; + + static pio_usb_configuration_t config = PIO_USB_DEFAULT_CONFIG; + usb_device = pio_usb_device_init(&config, &desc); +} + +// Enable device interrupt +void dcd_int_enable (uint8_t rhport) +{ + (void) rhport; +} + +// Disable device interrupt +void dcd_int_disable (uint8_t rhport) +{ + (void) rhport; +} + +// Receive Set Address request, mcu port must also include status IN response +void dcd_set_address (uint8_t rhport, uint8_t dev_addr) +{ + // store addr, will update crc5 lut when status is complete + new_addr = dev_addr; + + dcd_edpt_xfer(rhport, 0x80, NULL, 0); +} + +// Wake up host +void dcd_remote_wakeup (uint8_t rhport) +{ + (void) rhport; +} + +// Connect by enabling internal pull-up resistor on D+/D- +void dcd_connect(uint8_t rhport) +{ + (void) rhport; +} + +// Disconnect by disabling internal pull-up resistor on D+/D- +void dcd_disconnect(uint8_t rhport) +{ + (void) rhport; +} + +//--------------------------------------------------------------------+ +// Endpoint API +//--------------------------------------------------------------------+ + +// Configure endpoint's registers according to descriptor +bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc) +{ + (void) rhport; + (void) ep_desc; + return false; +} + +void dcd_edpt_close_all (uint8_t rhport) +{ + (void) rhport; +} + +// Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack +bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes) +{ + uint8_t pio_rhport = RHPORT_PIO(rhport); + return pio_usb_device_endpoint_transfer(pio_rhport, ep_addr, buffer, total_bytes); +} + +// Submit a transfer where is managed by FIFO, When complete dcd_event_xfer_complete() is invoked to notify the stack - optional, however, must be listed in usbd.c +bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes) +{ + (void) rhport; + (void) ep_addr; + (void) ff; + (void) total_bytes; + return false; +} + +// Stall endpoint +void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr) +{ + (void) rhport; + (void) ep_addr; +} + +// clear stall, data toggle is also reset to DATA0 +void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr) +{ + (void) rhport; + (void) ep_addr; +} + +//--------------------------------------------------------------------+ +// +//--------------------------------------------------------------------+ +extern void update_ep0_crc5_lut(uint8_t addr); + +static void __no_inline_not_in_flash_func(handle_endpoint_irq)(pio_hw_root_port_t* port, uint32_t flag) +{ + volatile uint32_t* ep_reg; + xfer_result_t result; + + if ( flag == PIO_USB_INTS_ENDPOINT_COMPLETE_BITS ) + { + ep_reg = &port->ep_complete; + result = XFER_RESULT_SUCCESS; + } + else if ( flag == PIO_USB_INTS_ENDPOINT_ERROR_BITS ) + { + ep_reg = &port->ep_error; + result = XFER_RESULT_FAILED; + } + else if ( flag == PIO_USB_INTS_ENDPOINT_STALLED_BITS ) + { + ep_reg = &port->ep_stalled; + result = XFER_RESULT_STALLED; + } + else + { + // something wrong + return; + } + + const uint32_t ep_all = *ep_reg; + + for(uint8_t ep_idx = 0; ep_idx < PIO_USB_EP_POOL_CNT; ep_idx++) + { + uint32_t const mask = (1u << ep_idx); + + if (ep_all & mask) + { + pio_hw_endpoint_t* ep = PIO_USB_HW_EP(ep_idx); + uint8_t const tu_rhport = port - PIO_USB_HW_RPORT(0) + 1; + + // address is changed, update crc5 lut + if (new_addr && ep->ep_num == 0x80 && ep->actual_len == 0) + { + update_ep0_crc5_lut(new_addr); + new_addr = 0; + } + + dcd_event_xfer_complete(tu_rhport, ep->ep_num, ep->actual_len, result, true); + } + } + + // clear all + (*ep_reg) &= ~ep_all; +} + +// IRQ Handler +void __no_inline_not_in_flash_func(pio_usb_device_irq_handler)(uint8_t root_id) +{ + uint8_t const tu_rhport = root_id + 1; + pio_hw_root_port_t* port = PIO_USB_HW_RPORT(root_id); + uint32_t const ints = port->ints; + + if (ints & PIO_USB_INTS_RESET_END_BITS) + { + new_addr = 0; + dcd_event_bus_reset(tu_rhport, TUSB_SPEED_FULL, true); + } + + if (ints & PIO_USB_INTS_SETUP_REQ_BITS) + { + dcd_event_setup_received(tu_rhport, port->setup_packet, true); + } + + if ( ints & PIO_USB_INTS_ENDPOINT_COMPLETE_BITS ) + { + handle_endpoint_irq(port, PIO_USB_INTS_ENDPOINT_COMPLETE_BITS); + } + + // clear all + port->ints &= ~ints; +} + +#endif diff --git a/src/portable/raspberrypi/pio_usb/hcd_pio_usb.c b/src/portable/raspberrypi/pio_usb/hcd_pio_usb.c index c2ef54b9e..4bd318448 100644 --- a/src/portable/raspberrypi/pio_usb/hcd_pio_usb.c +++ b/src/portable/raspberrypi/pio_usb/hcd_pio_usb.c @@ -116,19 +116,19 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const bool const need_pre = (dev_tree.hub_addr && dev_tree.speed == TUSB_SPEED_LOW); rhport = RHPORT_PIO(rhport); - return pio_usb_endpoint_open(rhport, dev_addr, (uint8_t const*) desc_ep, need_pre); + return pio_usb_host_endpoint_open(rhport, dev_addr, (uint8_t const*) desc_ep, need_pre); } bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen) { rhport = RHPORT_PIO(rhport); - return pio_usb_endpoint_transfer(rhport, dev_addr, ep_addr, buffer, buflen); + return pio_usb_host_endpoint_transfer(rhport, dev_addr, ep_addr, buffer, buflen); } bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]) { rhport = RHPORT_PIO(rhport); - return pio_usb_endpoint_send_setup(rhport, dev_addr, setup_packet); + return pio_usb_host_send_setup(rhport, dev_addr, setup_packet); } //bool hcd_edpt_busy(uint8_t dev_addr, uint8_t ep_addr) @@ -153,7 +153,7 @@ bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr) return true; } -void __no_inline_not_in_flash_func(handle_endpoint_irq)(pio_hw_root_port_t* port, uint32_t flag) +static void __no_inline_not_in_flash_func(handle_endpoint_irq)(pio_hw_root_port_t* port, uint32_t flag) { volatile uint32_t* ep_reg; xfer_result_t result; @@ -200,37 +200,35 @@ void __no_inline_not_in_flash_func(handle_endpoint_irq)(pio_hw_root_port_t* port void __no_inline_not_in_flash_func(pio_usb_host_irq_handler)(uint8_t root_id) { pio_hw_root_port_t* port = PIO_USB_HW_RPORT(root_id); + uint32_t const ints = port->ints; - if ( port->ints & PIO_USB_INTS_CONNECT_BITS ) + if ( ints & PIO_USB_INTS_CONNECT_BITS ) { - port->ints &= ~PIO_USB_INTS_CONNECT_BITS; - hcd_event_device_attach(root_id+1, true); } - if ( port->ints & PIO_USB_INTS_DISCONNECT_BITS ) + if ( ints & PIO_USB_INTS_DISCONNECT_BITS ) { - port->ints &= ~PIO_USB_INTS_DISCONNECT_BITS; hcd_event_device_remove(root_id+1, true); } - if ( port->ints & PIO_USB_INTS_ENDPOINT_COMPLETE_BITS ) + if ( ints & PIO_USB_INTS_ENDPOINT_COMPLETE_BITS ) { - port->ints &= ~PIO_USB_INTS_ENDPOINT_COMPLETE_BITS; handle_endpoint_irq(port, PIO_USB_INTS_ENDPOINT_COMPLETE_BITS); } - if ( port->ints & PIO_USB_INTS_ENDPOINT_ERROR_BITS ) + if ( ints & PIO_USB_INTS_ENDPOINT_ERROR_BITS ) { - port->ints &= ~PIO_USB_INTS_ENDPOINT_ERROR_BITS; handle_endpoint_irq(port, PIO_USB_INTS_ENDPOINT_ERROR_BITS); } - if ( port->ints & PIO_USB_INTS_ENDPOINT_STALLED_BITS ) + if ( ints & PIO_USB_INTS_ENDPOINT_STALLED_BITS ) { - port->ints &= ~PIO_USB_INTS_ENDPOINT_STALLED_BITS; handle_endpoint_irq(port, PIO_USB_INTS_ENDPOINT_STALLED_BITS); } + + // clear all + port->ints &= ~ints; } #endif -- cgit v1.3.1