diff --git a/examples/host/cdc_msc_hid/CMakeLists.txt b/examples/host/cdc_msc_hid/CMakeLists.txt index 0a99bc3a9..95c07339e 100644 --- a/examples/host/cdc_msc_hid/CMakeLists.txt +++ b/examples/host/cdc_msc_hid/CMakeLists.txt @@ -26,4 +26,4 @@ target_include_directories(${PROJECT} PUBLIC # Configure compilation flags and libraries for the example... see the corresponding function # in hw/bsp/FAMILY/family.cmake for details. -family_configure_host_example(${PROJECT}) \ No newline at end of file +family_configure_host_example(${PROJECT}) diff --git a/examples/host/cdc_msc_hid/src/tusb_config.h b/examples/host/cdc_msc_hid/src/tusb_config.h index bc6c68e5b..abbe474c2 100644 --- a/examples/host/cdc_msc_hid/src/tusb_config.h +++ b/examples/host/cdc_msc_hid/src/tusb_config.h @@ -42,7 +42,9 @@ #if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX #define CFG_TUSB_RHPORT0_MODE (OPT_MODE_HOST | OPT_MODE_HIGH_SPEED) #else - #define CFG_TUSB_RHPORT0_MODE OPT_MODE_HOST + //#define CFG_TUSB_RHPORT0_MODE OPT_MODE_HOST + // rp2040: port0 is native, port 1 for PIO-USB + #define CFG_TUSB_RHPORT1_MODE OPT_MODE_HOST #endif #ifndef CFG_TUSB_OS @@ -71,6 +73,9 @@ // CONFIGURATION //-------------------------------------------------------------------- +#define CFG_TUH_RPI_PIO 1 +//#define CFG_TUSB_RPI_PIO_INC_PATH 1 + // Size of buffer to hold descriptors and other data used for enumeration #define CFG_TUH_ENUMERATION_BUFSIZE 256 diff --git a/hw/bsp/rp2040/family.c b/hw/bsp/rp2040/family.c index fa63dadf5..dcf38b6ec 100644 --- a/hw/bsp/rp2040/family.c +++ b/hw/bsp/rp2040/family.c @@ -127,6 +127,9 @@ void board_init(void) #ifndef BUTTON_BOOTSEL #endif + // Set the system clock to a multiple of 120mhz for bitbanging USB with pico-usb + set_sys_clock_khz(120000, true); + #if defined(UART_DEV) && defined(LIB_PICO_STDIO_UART) bi_decl(bi_2pins_with_func(UART_TX_PIN, UART_TX_PIN, GPIO_FUNC_UART)); uart_inst = uart_get_instance(UART_DEV); diff --git a/hw/bsp/rp2040/family.cmake b/hw/bsp/rp2040/family.cmake index 1aa180ef8..ddb34bf7d 100644 --- a/hw/bsp/rp2040/family.cmake +++ b/hw/bsp/rp2040/family.cmake @@ -89,13 +89,27 @@ if (NOT TARGET _rp2040_family_inclusion_marker) ${TOP}/src/class/hid/hid_host.c ${TOP}/src/class/msc/msc_host.c ${TOP}/src/class/vendor/vendor_host.c + + ${TOP}/src/portable/raspberrypi/pio/hcd_pio.c + ${TOP}/lib/Pico-PIO-USB/pio_usb.c + ${TOP}/lib/Pico-PIO-USB/usb_crc.c ) - # Sometimes have to do host specific actions in mostly - # common functions + # Sometimes have to do host specific actions in mostly common functions target_compile_definitions(tinyusb_host_base INTERFACE RP2040_USB_HOST_MODE=1 ) + + # config for host pio + target_link_libraries(tinyusb_host_base INTERFACE + hardware_dma + hardware_pio + pico_multicore + ) + + target_include_directories(tinyusb_host_base INTERFACE + ${TOP}/lib/Pico-PIO-USB + ) add_library(tinyusb_bsp INTERFACE) target_sources(tinyusb_bsp INTERFACE @@ -151,6 +165,8 @@ if (NOT TARGET _rp2040_family_inclusion_marker) _family_initialize_project(${PROJECT} ${DIR}) enable_language(C CXX ASM) pico_sdk_init() + pico_generate_pio_header(tinyusb_host_base ${TOP}/lib/Pico-PIO-USB/usb_tx.pio) + pico_generate_pio_header(tinyusb_host_base ${TOP}/lib/Pico-PIO-USB/usb_rx.pio) endfunction() # This method must be called from the project scope to suppress known warnings in TinyUSB source files diff --git a/lib/Pico-PIO-USB b/lib/Pico-PIO-USB new file mode 160000 index 000000000..7d6729900 --- /dev/null +++ b/lib/Pico-PIO-USB @@ -0,0 +1 @@ +Subproject commit 7d672990011695892da523cb0ac29a2c7243a4c9 diff --git a/src/host/hcd.h b/src/host/hcd.h index 80500f048..9d10104f3 100644 --- a/src/host/hcd.h +++ b/src/host/hcd.h @@ -143,9 +143,20 @@ void hcd_device_close(uint8_t rhport, uint8_t dev_addr); // Endpoints API //--------------------------------------------------------------------+ -bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]); +// Open an endpoint bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc); + +// Submit a transfer, when complete hcd_event_xfer_complete() must be invoked bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen); + +// Submit a special transfer to send 8-byte Setup Packet, when complete hcd_event_xfer_complete() must be invoked +bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]); + +// Optional: some controllers are capable of carry out the whole Control Transfer (setup, data, status) +// without help of USBH. +bool hcd_edpt_control_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8], uint8_t* data) TU_ATTR_WEAK; + +// clear stall, data toggle is also reset to DATA0 bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr); //--------------------------------------------------------------------+ diff --git a/src/host/usbh.c b/src/host/usbh.c index 130aba40e..ea0a0809d 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -358,12 +358,12 @@ void tuh_task(void) case HCD_EVENT_DEVICE_ATTACH: // TODO due to the shared _usbh_ctrl_buf, we must complete enumerating // one device before enumerating another one. - TU_LOG2("USBH DEVICE ATTACH\r\n"); + TU_LOG2("[rh%d] USBH DEVICE ATTACH\r\n", event.rhport); enum_new_device(&event); break; case HCD_EVENT_DEVICE_REMOVE: - TU_LOG2("USBH DEVICE REMOVED\r\n"); + TU_LOG2("[rh%d] USBH DEVICE REMOVED\r\n", event.rhport); process_device_unplugged(event.rhport, event.connection.hub_addr, event.connection.hub_port); #if CFG_TUH_HUB @@ -703,7 +703,9 @@ static bool enum_new_device(hcd_event_t* event) if (_dev0.hub_addr == 0) { // wait until device is stable TODO non blocking + hcd_port_reset(_dev0.rhport); osal_task_delay(RESET_DELAY); + hcd_port_reset_end( _dev0.rhport); // device unplugged while delaying if ( !hcd_port_connect_status(_dev0.rhport) ) return true; @@ -772,13 +774,17 @@ static bool enum_get_addr0_device_desc_complete(uint8_t dev_addr, tusb_control_r TU_ASSERT( tu_desc_type(desc_device) == TUSB_DESC_DEVICE ); // Reset device again before Set Address + // reset port after 8 byte descriptor TU_LOG2("Port reset \r\n"); if (_dev0.hub_addr == 0) { +#if !CFG_TUH_RPI_PIO // skip this reset for pio-usb // connected directly to roothub - hcd_port_reset( _dev0.rhport ); // reset port after 8 byte descriptor + hcd_port_reset(_dev0.rhport); osal_task_delay(RESET_DELAY); + hcd_port_reset_end(_dev0.rhport); +#endif enum_request_set_addr(); } diff --git a/src/host/usbh_control.c b/src/host/usbh_control.c index d034eec7f..1c73d6626 100644 --- a/src/host/usbh_control.c +++ b/src/host/usbh_control.c @@ -71,7 +71,14 @@ bool tuh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, TU_LOG2("\r\n"); // Send setup packet - TU_ASSERT( hcd_setup_send(rhport, dev_addr, (uint8_t const*) &_ctrl_xfer.request) ); + if ( hcd_edpt_control_xfer ) + { + _ctrl_xfer.stage = STAGE_ACK; + TU_ASSERT( hcd_edpt_control_xfer(rhport, dev_addr, (uint8_t const*) &_ctrl_xfer.request, buffer) ); + }else + { + TU_ASSERT( hcd_setup_send(rhport, dev_addr, (uint8_t const*) &_ctrl_xfer.request) ); + } return true; } diff --git a/src/portable/raspberrypi/pio/hcd_pio.c b/src/portable/raspberrypi/pio/hcd_pio.c new file mode 100644 index 000000000..74df49e0d --- /dev/null +++ b/src/portable/raspberrypi/pio/hcd_pio.c @@ -0,0 +1,237 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2021 Ha Thach (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_TUH_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RP2040) && CFG_TUH_RPI_PIO + +#include "pico.h" +#include "hardware/pio.h" +#include "pio_usb.h" + +//--------------------------------------------------------------------+ +// INCLUDE +//--------------------------------------------------------------------+ +#include "osal/osal.h" + +#include "host/hcd.h" +#include "host/usbh.h" + +#define RHPORT_OFFSET 1 +#define RHPORT_PIO(_x) ((_x)-RHPORT_OFFSET) + + +static usb_device_t *_test_usb_device = NULL; +static pio_usb_configuration_t pio_host_config = PIO_USB_DEFAULT_CONFIG; + +extern root_port_t root_port[PIO_USB_ROOT_PORT_CNT]; +extern usb_device_t usb_device[PIO_USB_DEVICE_CNT]; +extern pio_port_t pio_port[1]; +extern root_port_t root_port[PIO_USB_ROOT_PORT_CNT]; +extern endpoint_t ep_pool[PIO_USB_EP_POOL_CNT]; + + +extern port_pin_status_t get_port_pin_status( root_port_t *port); +extern void configure_fullspeed_host( pio_port_t *pp, const pio_usb_configuration_t *c, root_port_t *port); +extern void configure_lowspeed_host( pio_port_t *pp, const pio_usb_configuration_t *c, root_port_t *port); + +extern void control_setup_transfer( const pio_port_t *pp, uint8_t device_address, uint8_t *tx_data_address, uint8_t tx_data_len); +extern int control_in_protocol( usb_device_t *device, uint8_t *tx_data, uint16_t tx_length, uint8_t *rx_buffer, uint16_t request_length); +extern int control_out_protocol( usb_device_t *device, uint8_t *setup_data, uint16_t setup_length, uint8_t *out_data, uint16_t out_length); + +extern void update_packet_crc16(usb_setup_packet_t * packet); + +//--------------------------------------------------------------------+ +// HCD API +//--------------------------------------------------------------------+ +bool hcd_init(uint8_t rhport) +{ + // To run USB SOF interrupt in core1, create alarm pool in core1. + pio_host_config.alarm_pool = (void*)alarm_pool_create(2, 1); + _test_usb_device = pio_usb_host_init(&pio_host_config); + + return true; +} + +void hcd_port_reset(uint8_t rhport) +{ + rhport = RHPORT_PIO(rhport); + + pio_port_t *pp = &pio_port[0]; + root_port_t *root = &root_port[rhport]; + + pio_sm_set_pins_with_mask(pp->pio_usb_tx, pp->sm_tx, (0b00 << root->pin_dp), + (0b11u << root->pin_dp)); + pio_sm_set_pindirs_with_mask(pp->pio_usb_tx, pp->sm_tx, (0b11u << root->pin_dp), + (0b11u << root->pin_dp)); +} + +void hcd_port_reset_end(uint8_t rhport) +{ + rhport = RHPORT_PIO(rhport); + + pio_port_t *pp = &pio_port[0]; + root_port_t *root = &root_port[rhport]; + + pio_sm_set_pindirs_with_mask(pp->pio_usb_tx, pp->sm_tx, (0b00u << root->pin_dp), + (0b11u << root->pin_dp)); + + busy_wait_us(100); + + // TODO slow speed + bool fullspeed_flag = true; + + if (fullspeed_flag && get_port_pin_status(root) == PORT_PIN_FS_IDLE) { + root->root_device = &usb_device[0]; + if (!root->root_device->connected) { + configure_fullspeed_host(pp, &pio_host_config, root); + root->root_device->is_fullspeed = true; + root->root_device->is_root = true; + root->root_device->connected = true; + root->root_device->root = root; + root->root_device->event = EVENT_CONNECT; + } + } else if (!fullspeed_flag && get_port_pin_status(root) == PORT_PIN_LS_IDLE) { + root->root_device = &usb_device[0]; + if (!root->root_device->connected) { + configure_lowspeed_host(pp, &pio_host_config, root); + root->root_device->is_fullspeed = false; + root->root_device->is_root = true; + root->root_device->connected = true; + root->root_device->root = root; + root->root_device->event = EVENT_CONNECT; + } + } +} + +bool hcd_port_connect_status(uint8_t rhport) +{ + root_port_t* port = &root_port[0]; + bool dp = gpio_get(port->pin_dp); + bool dm = gpio_get(port->pin_dm); + return dp || dm; +} + +tusb_speed_t hcd_port_speed_get(uint8_t rhport) +{ + // TODO determine link speed + return TUSB_SPEED_FULL; +} + +// Close all opened endpoint belong to this device +void hcd_device_close(uint8_t rhport, uint8_t dev_addr) +{ +} + +uint32_t hcd_frame_number(uint8_t rhport) +{ + return 0; +} + +void hcd_int_enable(uint8_t rhport) +{ +} + +void hcd_int_disable(uint8_t rhport) +{ +} + +//--------------------------------------------------------------------+ +// Endpoint API +//--------------------------------------------------------------------+ + +bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc) +{ + rhport = RHPORT_PIO(rhport); + + usb_device[0].event = EVENT_NONE; + usb_device[0].address = dev_addr; + + return true; +} + +bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen) +{ + (void) rhport; + + return true; +} + +bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]) +{ + (void) rhport; + return false; +} + +bool hcd_edpt_control_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8], uint8_t* data) +{ + int ret; + rhport = RHPORT_PIO(rhport); + + uint16_t const len = ((tusb_control_request_t const*) setup_packet)->wLength; + + usb_setup_packet_t pio_setup = { USB_SYNC, USB_PID_DATA0 }; + memcpy(&pio_setup.request_type, setup_packet, 8); + update_packet_crc16(&pio_setup); + + if (setup_packet[0] & TUSB_DIR_IN_MASK) + { + ret = control_in_protocol(&usb_device[0], (uint8_t*) &pio_setup, sizeof(pio_setup), data, len); + }else + { + ret = control_out_protocol(&usb_device[0], (uint8_t*) &pio_setup, sizeof(pio_setup), data, len); + } + + // TODO current pio is blocking + hcd_event_xfer_complete(dev_addr, 0, 0, ret ? XFER_RESULT_FAILED : XFER_RESULT_SUCCESS, false); + + return ret == 0; +} + + +//bool hcd_edpt_busy(uint8_t dev_addr, uint8_t ep_addr) +//{ +// // EPX is shared, so multiple device addresses and endpoint addresses share that +// // so if any transfer is active on epx, we are busy. Interrupt endpoints have their own +// // EPX so ep->active will only be busy if there is a pending transfer on that interrupt endpoint +// // on that device +// pico_trace("hcd_edpt_busy dev addr %d ep_addr 0x%x\n", dev_addr, ep_addr); +// struct hw_endpoint *ep = get_dev_ep(dev_addr, ep_addr); +// assert(ep); +// bool busy = ep->active; +// pico_trace("busy == %d\n", busy); +// return busy; +//} + +bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr) +{ + (void) dev_addr; + (void) ep_addr; + + return true; +} + +#endif diff --git a/src/portable/raspberrypi/rp2040/hcd_rp2040.c b/src/portable/raspberrypi/rp2040/hcd_rp2040.c index b6fbdb200..75acefb65 100644 --- a/src/portable/raspberrypi/rp2040/hcd_rp2040.c +++ b/src/portable/raspberrypi/rp2040/hcd_rp2040.c @@ -27,7 +27,7 @@ #include "tusb_option.h" -#if CFG_TUH_ENABLED && CFG_TUSB_MCU == OPT_MCU_RP2040 +#if CFG_TUH_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RP2040) && !CFG_TUH_RPI_PIO #include "pico.h" #include "rp2040_usb.h" @@ -40,7 +40,8 @@ #include "host/hcd.h" #include "host/usbh.h" -#define ROOT_PORT 0 +// port 0 is native USB port, other is counted as software PIO +#define RHPORT_NATIVE 0 //--------------------------------------------------------------------+ // Low level rp2040 controller functions @@ -185,11 +186,11 @@ static void hcd_rp2040_irq(void) if (dev_speed()) { - hcd_event_device_attach(ROOT_PORT, true); + hcd_event_device_attach(RHPORT_NATIVE, true); } else { - hcd_event_device_remove(ROOT_PORT, true); + hcd_event_device_remove(RHPORT_NATIVE, true); } // Clear speed change interrupt