From 66a10ec9c8042a48053b4af67a932f3cfe9470c2 Mon Sep 17 00:00:00 2001 From: hathach Date: Mon, 7 Sep 2020 15:19:20 +0700 Subject: [PATCH] rework usbh control transfer use series of complete callback instead of blocking semaphore, which is more noOS friendly. still working with hid host --- examples/host/cdc_msc_hid/Makefile | 3 +- .../cdc_msc_hid/ses/lpc18xx/lpc18xx.emProject | 1 + src/class/hid/hid_host.c | 22 +- src/common/tusb_types.h | 4 +- src/host/usbh.c | 305 +++++++++++++++--- src/host/usbh.h | 9 +- src/host/usbh_control.c | 135 ++++++++ src/host/usbh_hcd.h | 11 +- 8 files changed, 438 insertions(+), 52 deletions(-) create mode 100644 src/host/usbh_control.c diff --git a/examples/host/cdc_msc_hid/Makefile b/examples/host/cdc_msc_hid/Makefile index 35de0a9a0..b49c4c75c 100644 --- a/examples/host/cdc_msc_hid/Makefile +++ b/examples/host/cdc_msc_hid/Makefile @@ -16,8 +16,9 @@ SRC_C += \ src/class/cdc/cdc_host.c \ src/class/hid/hid_host.c \ src/class/msc/msc_host.c \ - src/host/usbh.c \ src/host/hub.c \ + src/host/usbh.c \ + src/host/usbh_control.c \ src/host/ehci/ehci.c \ src/host/ohci/ohci.c \ src/portable/nxp/lpc18_43/hcd_lpc18_43.c \ diff --git a/examples/host/cdc_msc_hid/ses/lpc18xx/lpc18xx.emProject b/examples/host/cdc_msc_hid/ses/lpc18xx/lpc18xx.emProject index 2b5538957..271076b5c 100644 --- a/examples/host/cdc_msc_hid/ses/lpc18xx/lpc18xx.emProject +++ b/examples/host/cdc_msc_hid/ses/lpc18xx/lpc18xx.emProject @@ -23,6 +23,7 @@ debug_target_connection="J-Link" gcc_entry_point="Reset_Handler" linker_memory_map_file="$(ProjectDir)/LPC1857_MemoryMap.xml" + linker_printf_width_precision_supported="Yes" linker_section_placement_file="$(ProjectDir)/flash_placement.xml" macros="DeviceFamily=LPC1800;DeviceSubFamily=LPC185x;Target=LPC1857;Placement=Flash;rootDir=../../../../..;lpcDir=../../../../../hw/mcu/nxp/lpcopen/lpc18xx/lpc_chip_18xx" package_dependencies="LPC1800" diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c index 6002ead3c..5058191f4 100644 --- a/src/class/hid/hid_host.c +++ b/src/class/hid/hid_host.c @@ -175,14 +175,22 @@ bool hidh_open_subtask(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t c // SET IDLE = 0 request // Device can stall if not support this request - tusb_control_request_t request = { - .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_INTERFACE, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_OUT }, - .bRequest = HID_REQ_CONTROL_SET_IDLE, - .wValue = 0, // idle_rate = 0 - .wIndex = p_interface_desc->bInterfaceNumber, - .wLength = 0 + tusb_control_request_t const request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_INTERFACE, + .type = TUSB_REQ_TYPE_CLASS, + .direction = TUSB_DIR_OUT + }, + .bRequest = HID_REQ_CONTROL_SET_IDLE, + .wValue = 0, // idle_rate = 0 + .wIndex = p_interface_desc->bInterfaceNumber, + .wLength = 0 }; - usbh_control_xfer( dev_addr, &request, NULL ); // TODO stall is valid + + // stall is a valid response for SET_IDLE, therefore we could ignore result of this request + tuh_control_xfer(dev_addr, &request, NULL, NULL); #if 0 //------------- Get Report Descriptor TODO HID parser -------------// diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h index 70d0db942..d6b6ea627 100644 --- a/src/common/tusb_types.h +++ b/src/common/tusb_types.h @@ -276,6 +276,8 @@ typedef struct TU_ATTR_PACKED uint8_t bNumConfigurations ; ///< Number of possible configurations. } tusb_desc_device_t; +TU_VERIFY_STATIC( sizeof(tusb_desc_device_t) == 18, "size is not correct"); + // USB Binary Device Object Store (BOS) Descriptor typedef struct TU_ATTR_PACKED { @@ -431,7 +433,7 @@ typedef struct TU_ATTR_PACKED{ uint16_t wLength; } tusb_control_request_t; -TU_VERIFY_STATIC( sizeof(tusb_control_request_t) == 8, "mostly compiler option issue"); +TU_VERIFY_STATIC( sizeof(tusb_control_request_t) == 8, "size is not correct"); // TODO move to somewhere suitable static inline uint8_t bm_request_type(uint8_t direction, uint8_t type, uint8_t recipient) diff --git a/src/host/usbh.c b/src/host/usbh.c index a7f6397cd..592eac267 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -108,6 +108,11 @@ static usbh_class_driver_t const usbh_class_drivers[] = enum { USBH_CLASS_DRIVER_COUNT = TU_ARRAY_SIZE(usbh_class_drivers) }; +enum { RESET_DELAY = 500 }; // 200 USB specs say only 50ms but many devices require much longer + +enum { CONFIG_NUM = 1 }; // default to use configuration 1 + + //--------------------------------------------------------------------+ // INTERNAL OBJECT & FUNCTION DECLARATION //--------------------------------------------------------------------+ @@ -125,6 +130,9 @@ CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(4) static uint8_t _usbh_ctrl_buf[CFG_TUSB_H //------------- Helper Function Prototypes -------------// static inline uint8_t get_new_address(void); +// from usbh_control.c +extern bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes); + //--------------------------------------------------------------------+ // PUBLIC API (Parameter Verification is required) //--------------------------------------------------------------------+ @@ -281,23 +289,21 @@ void hcd_event_xfer_complete(uint8_t dev_addr, uint8_t ep_addr, uint32_t xferred // usbh_devices[ pipe_hdl.dev_addr ].control.xferred_bytes = xferred_bytes; not yet neccessary osal_semaphore_post( dev->control.sem_hdl, true ); // FIXME post within ISR } - else - { - hcd_event_t event = - { - .rhport = 0, - .event_id = HCD_EVENT_XFER_COMPLETE, - .dev_addr = dev_addr, - .xfer_complete = - { - .ep_addr = ep_addr, - .result = result, - .len = xferred_bytes - } - }; - hcd_event_handler(&event, in_isr); - } + hcd_event_t event = + { + .rhport = 0, // TODO correct rhport + .event_id = HCD_EVENT_XFER_COMPLETE, + .dev_addr = dev_addr, + .xfer_complete = + { + .ep_addr = ep_addr, + .result = result, + .len = xferred_bytes + } + }; + + hcd_event_handler(&event, in_isr); } void hcd_event_device_attach(uint8_t rhport, bool in_isr) @@ -373,8 +379,6 @@ static bool parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configura uint8_t const* p_desc = (uint8_t const*) desc_cfg; p_desc = tu_desc_next(p_desc); - TU_LOG2_MEM(desc_cfg, desc_cfg->wTotalLength, 0); - // parse each interfaces while( p_desc < _usbh_ctrl_buf + desc_cfg->wTotalLength ) { @@ -426,16 +430,226 @@ static bool parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configura return true; } -bool enum_task(hcd_event_t* event) +static bool enum_set_config_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) { - enum { - POWER_STABLE_DELAY = 100, - RESET_DELAY = 500, // 200 USB specs say only 50ms but many devices require much longer + TU_LOG2_LOCATION(); + TU_ASSERT(XFER_RESULT_SUCCESS == result); + + TU_LOG2("Device configured\r\n"); + usbh_device_t* dev = &_usbh_devices[dev_addr]; + dev->state = TUSB_DEVICE_STATE_CONFIGURED; + + // Parse configuration & set up drivers + parse_configuration_descriptor(dev_addr, (tusb_desc_configuration_t*) _usbh_ctrl_buf); + + return true; +} + +static bool enum_get_config_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +{ + TU_ASSERT(XFER_RESULT_SUCCESS == result); + + TU_LOG2("Set Configuration Descriptor\r\n"); + tusb_control_request_t const new_request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_DEVICE, + .type = TUSB_REQ_TYPE_STANDARD, + .direction = TUSB_DIR_OUT + }, + .bRequest = TUSB_REQ_SET_CONFIGURATION, + .wValue = CONFIG_NUM, + .wIndex = 0, + .wLength = 0 }; - usbh_device_t* dev0 = &_usbh_devices[0]; - tusb_control_request_t request; + TU_ASSERT( tuh_control_xfer(dev_addr, &new_request, NULL, enum_set_config_complete) ); + return true; +} + +static bool enum_get_9byte_config_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +{ + TU_ASSERT(XFER_RESULT_SUCCESS == result); + + // TODO not enough buffer to hold configuration descriptor + tusb_desc_configuration_t const * desc_config = (tusb_desc_configuration_t const*) _usbh_ctrl_buf; + uint16_t total_len; + + // Use offsetof to avoid pointer to the odd/misaligned address + memcpy(&total_len, (uint8_t*) desc_config + offsetof(tusb_desc_configuration_t, wTotalLength), 2); + + TU_ASSERT(total_len <= CFG_TUSB_HOST_ENUM_BUFFER_SIZE); + + //Get full configuration descriptor + tusb_control_request_t const new_request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_DEVICE, + .type = TUSB_REQ_TYPE_STANDARD, + .direction = TUSB_DIR_IN + }, + .bRequest = TUSB_REQ_GET_DESCRIPTOR, + .wValue = (TUSB_DESC_CONFIGURATION << 8) | (CONFIG_NUM - 1), + .wIndex = 0, + .wLength = total_len + }; + + TU_ASSERT( tuh_control_xfer(dev_addr, &new_request, _usbh_ctrl_buf, enum_get_config_desc_complete) ); + + return true; +} + +static bool enum_get_device_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +{ + TU_ASSERT(XFER_RESULT_SUCCESS == result); + + tusb_desc_device_t const * desc_device = (tusb_desc_device_t const*) _usbh_ctrl_buf; + usbh_device_t* dev = &_usbh_devices[dev_addr]; + + dev->vendor_id = desc_device->idVendor; + dev->product_id = desc_device->idProduct; + +// if (tuh_attach_cb) tuh_attach_cb((tusb_desc_device_t*) _usbh_ctrl_buf); + + TU_LOG2("Get 9 bytes of Configuration Descriptor\r\n"); + tusb_control_request_t const new_request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_DEVICE, + .type = TUSB_REQ_TYPE_STANDARD, + .direction = TUSB_DIR_IN + }, + .bRequest = TUSB_REQ_GET_DESCRIPTOR, + .wValue = (TUSB_DESC_CONFIGURATION << 8) | (CONFIG_NUM - 1), + .wIndex = 0, + .wLength = 9 + }; + + TU_ASSERT( tuh_control_xfer(dev_addr, &new_request, _usbh_ctrl_buf, enum_get_9byte_config_desc_complete) ); + + return true; +} + +// After SET_ADDRESS is complete +static bool enum_set_address_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +{ + TU_ASSERT(0 == dev_addr); + TU_ASSERT(XFER_RESULT_SUCCESS == result); + + uint8_t const new_addr = (uint8_t const) request->wValue; + + usbh_device_t* new_dev = &_usbh_devices[new_addr]; + new_dev->addressed = 1; + + // TODO close device 0, may not be needed + usbh_device_t* dev0 = &_usbh_devices[0]; + hcd_device_close(dev0->rhport, 0); + dev0->state = TUSB_DEVICE_STATE_UNPLUG; + + // open control pipe for new address + TU_ASSERT ( usbh_pipe_control_open(new_addr, new_dev->ep0_packet_size) ); + + // Get full device descriptor + tusb_control_request_t const new_request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_DEVICE, + .type = TUSB_REQ_TYPE_STANDARD, + .direction = TUSB_DIR_IN + }, + .bRequest = TUSB_REQ_GET_DESCRIPTOR, + .wValue = TUSB_DESC_DEVICE << 8, + .wIndex = 0, + .wLength = sizeof(tusb_desc_device_t) + }; + + TU_ASSERT(tuh_control_xfer(new_addr, &new_request, _usbh_ctrl_buf, enum_get_device_desc_complete)); + + return true; +} + +// After Get Device Descriptor of Address 0 +static bool enum_get_dev0_devic_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +{ + TU_ASSERT(0 == dev_addr); + + usbh_device_t* dev0 = &_usbh_devices[0]; + + if (XFER_RESULT_SUCCESS != result) + { +#if CFG_TUH_HUB + // TODO remove, waiting for next data on status pipe + if (dev0->hub_addr != 0) hub_status_pipe_queue( dev0->hub_addr); +#endif + + return false; + } + + // Reset device again before Set Address + TU_LOG2("Port reset \r\n"); + + if (dev0->hub_addr == 0) + { + // connected directly to roothub + hcd_port_reset( dev0->rhport ); // reset port after 8 byte descriptor + osal_task_delay(RESET_DELAY); + } +#if CFG_TUH_HUB + else + { + // FIXME hub_port_reset use usbh_control_xfer + if ( hub_port_reset(dev0->hub_addr, dev0->hub_port) ) + { + osal_task_delay(RESET_DELAY); + + // Acknowledge Port Reset Change if Reset Successful + hub_port_clear_feature(dev0->hub_addr, dev0->hub_port, HUB_FEATURE_PORT_RESET_CHANGE); + } + + (void) hub_status_pipe_queue( dev0->hub_addr ); // done with hub, waiting for next data on status pipe + } +#endif // CFG_TUH_HUB + + // Set Address + TU_LOG2("Set Address \r\n"); + uint8_t const new_addr = get_new_address(); + TU_ASSERT(new_addr <= CFG_TUSB_HOST_DEVICE_MAX); // TODO notify application we reach max devices + + usbh_device_t* new_dev = &_usbh_devices[new_addr]; + new_dev->rhport = dev0->rhport; + new_dev->hub_addr = dev0->hub_addr; + new_dev->hub_port = dev0->hub_port; + new_dev->speed = dev0->speed; + new_dev->connected = 1; + new_dev->ep0_packet_size = ((tusb_desc_device_t*) _usbh_ctrl_buf)->bMaxPacketSize0; + + tusb_control_request_t const new_request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_DEVICE, + .type = TUSB_REQ_TYPE_STANDARD, + .direction = TUSB_DIR_OUT + }, + .bRequest = TUSB_REQ_SET_ADDRESS, + .wValue = new_addr, + .wIndex = 0, + .wLength = 0 + }; + + TU_ASSERT(tuh_control_xfer(0, &new_request, NULL, enum_set_address_complete)); + + return true; +} + +bool enum_task(hcd_event_t* event) +{ + usbh_device_t* dev0 = &_usbh_devices[0]; dev0->rhport = event->rhport; // TODO refractor integrate to device_pool dev0->hub_addr = event->connection.hub_addr; dev0->hub_port = event->connection.hub_port; @@ -445,14 +659,11 @@ bool enum_task(hcd_event_t* event) if (dev0->hub_addr == 0) { // wait until device is stable. Increase this if the first 8 bytes is failed to get - osal_task_delay(POWER_STABLE_DELAY); + osal_task_delay(RESET_DELAY); // device unplugged while delaying if ( !hcd_port_connect_status(dev0->rhport) ) return true; - hcd_port_reset( dev0->rhport ); // port must be reset to have correct speed operation - osal_task_delay(RESET_DELAY); - dev0->speed = hcd_port_speed_get( dev0->rhport ); } #if CFG_TUH_HUB @@ -460,8 +671,9 @@ bool enum_task(hcd_event_t* event) else { // TODO wait for PORT reset change instead - osal_task_delay(POWER_STABLE_DELAY); + osal_task_delay(RESET_DELAY); + // FIXME hub API use usbh_control_xfer hub_port_status_response_t port_status; TU_VERIFY_HDLR( hub_port_get_status(dev0->hub_addr, dev0->hub_port, &port_status), hub_status_pipe_queue( dev0->hub_addr) ); @@ -479,19 +691,27 @@ bool enum_task(hcd_event_t* event) } #endif // CFG_TUH_HUB + // TODO probably doesn't need to open/close each enumeration TU_ASSERT( usbh_pipe_control_open(0, 8) ); //------------- Get first 8 bytes of device descriptor to get Control Endpoint Size -------------// TU_LOG2("Get 8 byte of Device Descriptor\r\n"); - request = (tusb_control_request_t ) { - .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_DEVICE, .type = TUSB_REQ_TYPE_STANDARD, .direction = TUSB_DIR_IN }, - .bRequest = TUSB_REQ_GET_DESCRIPTOR, - .wValue = TUSB_DESC_DEVICE << 8, - .wIndex = 0, - .wLength = 8 + tusb_control_request_t const request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_DEVICE, + .type = TUSB_REQ_TYPE_STANDARD, + .direction = TUSB_DIR_IN + }, + .bRequest = TUSB_REQ_GET_DESCRIPTOR, + .wValue = TUSB_DESC_DEVICE << 8, + .wIndex = 0, + .wLength = 8 }; - bool is_ok = usbh_control_xfer(0, &request, _usbh_ctrl_buf); + TU_ASSERT(tuh_control_xfer(0, &request, _usbh_ctrl_buf, enum_get_dev0_devic_desc_complete)); +#if 0 //------------- Reset device again before Set Address -------------// TU_LOG2("Port reset \r\n"); @@ -526,6 +746,14 @@ bool enum_task(hcd_event_t* event) uint8_t const new_addr = get_new_address(); TU_ASSERT(new_addr <= CFG_TUSB_HOST_DEVICE_MAX); // TODO notify application we reach max devices + usbh_device_t* new_dev = &_usbh_devices[new_addr]; + new_dev->rhport = dev0->rhport; + new_dev->hub_addr = dev0->hub_addr; + new_dev->hub_port = dev0->hub_port; + new_dev->speed = dev0->speed; + new_dev->connected = 1; + new_dev->ep0_packet_size = ((tusb_desc_device_t*) _usbh_ctrl_buf)->bMaxPacketSize0; + request = (tusb_control_request_t ) { .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_DEVICE, .type = TUSB_REQ_TYPE_STANDARD, .direction = TUSB_DIR_OUT }, .bRequest = TUSB_REQ_SET_ADDRESS, @@ -533,7 +761,7 @@ bool enum_task(hcd_event_t* event) .wIndex = 0, .wLength = 0 }; - TU_ASSERT(usbh_control_xfer(0, &request, NULL)); + TU_ASSERT(tuh_control_xfer(0, &request, NULL, enum_set_address_complete)); //------------- update port info & close control pipe of addr0 -------------// usbh_device_t* new_dev = &_usbh_devices[new_addr]; @@ -613,6 +841,7 @@ bool enum_task(hcd_event_t* event) // Invoke callback if available if (tuh_mount_cb) tuh_mount_cb(new_addr); +#endif return true; } @@ -679,7 +908,7 @@ void tuh_task(void) if ( 0 == epnum ) { - // TODO control transfer + usbh_control_xfer_cb(event.dev_addr, ep_addr, event.xfer_complete.result, event.xfer_complete.len); }else { uint8_t drv_id = dev->ep2drv[epnum][ep_dir]; diff --git a/src/host/usbh.h b/src/host/usbh.h index 91afb90a3..814770722 100644 --- a/src/host/usbh.h +++ b/src/host/usbh.h @@ -63,6 +63,8 @@ typedef struct { bool (* const xfer_cb) (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes); void (* const close) (uint8_t); } usbh_class_driver_t; + +typedef bool (*tuh_control_complete_cb_t)(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); //--------------------------------------------------------------------+ // INTERNAL OBJECT & FUNCTION DECLARATION //--------------------------------------------------------------------+ @@ -87,10 +89,12 @@ static inline bool tuh_device_is_configured(uint8_t dev_addr) return tuh_device_get_state(dev_addr) == TUSB_DEVICE_STATE_CONFIGURED; } +bool tuh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb); + //--------------------------------------------------------------------+ // APPLICATION CALLBACK //--------------------------------------------------------------------+ -TU_ATTR_WEAK uint8_t tuh_attach_cb (tusb_desc_device_t const *desc_device); +//TU_ATTR_WEAK uint8_t tuh_attach_cb (tusb_desc_device_t const *desc_device); /** Callback invoked when device is mounted (configured) */ TU_ATTR_WEAK void tuh_mount_cb (uint8_t dev_addr); @@ -107,9 +111,6 @@ bool usbh_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const bool usbh_edpt_xfer(uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes); - -bool tuh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, uint8_t* buffer, uint16_t buflen); - #ifdef __cplusplus } #endif diff --git a/src/host/usbh_control.c b/src/host/usbh_control.c new file mode 100644 index 000000000..595c011f5 --- /dev/null +++ b/src/host/usbh_control.c @@ -0,0 +1,135 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020, 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 TUSB_OPT_HOST_ENABLED + +#include "tusb.h" +#include "usbh_hcd.h" + +enum +{ + STAGE_SETUP, + STAGE_DATA, + STAGE_ACK +}; + +typedef struct +{ + tusb_control_request_t request TU_ATTR_ALIGNED(4); + + uint8_t stage; + uint8_t* buffer; + tuh_control_complete_cb_t complete_cb; +} usbh_control_xfer_t; + +static usbh_control_xfer_t _ctrl_xfer; + +//CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN +//static uint8_t _tuh_ctrl_buf[CFG_TUSB_HOST_ENUM_BUFFER_SIZE]; + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ + +bool tuh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb) +{ + usbh_device_t* dev = &_usbh_devices[dev_addr]; + const uint8_t rhport = dev->rhport; + + _ctrl_xfer.request = (*request); + _ctrl_xfer.buffer = buffer; + _ctrl_xfer.stage = STAGE_SETUP; + _ctrl_xfer.complete_cb = complete_cb; + + TU_LOG2("Control Setup: "); + TU_LOG2_VAR(request); + TU_LOG2("\r\n"); + + // Send setup packet + TU_ASSERT( hcd_setup_send(rhport, dev_addr, (uint8_t const*) &_ctrl_xfer.request) ); + + return true; +} + +static void _xfer_complete(uint8_t dev_addr, xfer_result_t result) +{ + if (_ctrl_xfer.complete_cb) _ctrl_xfer.complete_cb(dev_addr, &_ctrl_xfer.request, result); +} + +bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) +{ + usbh_device_t* dev = &_usbh_devices[dev_addr]; + const uint8_t rhport = dev->rhport; + + tusb_control_request_t const * request = &_ctrl_xfer.request; + + if (XFER_RESULT_SUCCESS != result) + { + TU_LOG2("Control failed: result = %d\r\n", result); + + // terminate transfer if any stage failed + _xfer_complete(dev_addr, result); + }else + { + switch(_ctrl_xfer.stage) + { + case STAGE_SETUP: + _ctrl_xfer.stage = STAGE_DATA; + if (request->wLength) + { + // Note: initial data toggle is always 1 + hcd_edpt_xfer(rhport, dev_addr, tu_edpt_addr(0, request->bmRequestType_bit.direction), _ctrl_xfer.buffer, request->wLength); + return true; + } + __attribute__((fallthrough)); + + case STAGE_DATA: + _ctrl_xfer.stage = STAGE_ACK; + + if (request->wLength) + { + TU_LOG2("Control data:\r\n"); + TU_LOG2_MEM(_ctrl_xfer.buffer, request->wLength, 2); + } + + // data toggle is always 1 + hcd_edpt_xfer(rhport, dev_addr, tu_edpt_addr(0, 1-request->bmRequestType_bit.direction), NULL, 0); + break; + + case STAGE_ACK: + _xfer_complete(dev_addr, result); + break; + + default: return false; + } + } + + return true; +} + +#endif diff --git a/src/host/usbh_hcd.h b/src/host/usbh_hcd.h index 435af96bb..f203f3baa 100644 --- a/src/host/usbh_hcd.h +++ b/src/host/usbh_hcd.h @@ -53,11 +53,20 @@ typedef struct { //------------- device descriptor -------------// uint16_t vendor_id; uint16_t product_id; + uint8_t ep0_packet_size; //------------- configuration descriptor -------------// - uint8_t interface_count; // bNumInterfaces alias + // uint8_t interface_count; // bNumInterfaces alias //------------- device -------------// + struct TU_ATTR_PACKED + { + uint8_t connected : 1; + uint8_t addressed : 1; + uint8_t configured : 1; + uint8_t suspended : 1; + }; + volatile uint8_t state; // device state, value from enum tusbh_device_state_t //------------- control pipe -------------//