From 4795cca04ac60d58fbc78d554cd7af7039cd310a Mon Sep 17 00:00:00 2001 From: hathach Date: Sat, 19 Mar 2022 00:43:31 +0700 Subject: [PATCH] add parse config descriptor to example move usbh_edpt_open() to public API, remove rhport from its signature --- examples/host/bare_api/src/main.c | 154 +++++++++++++++++++++++++----- src/class/cdc/cdc_host.c | 5 +- src/class/hid/hid.h | 2 +- src/class/hid/hid_host.c | 3 +- src/class/msc/msc_host.c | 3 +- src/host/hub.c | 4 +- src/host/usbh.c | 11 ++- src/host/usbh.h | 14 ++- src/host/usbh_classdriver.h | 3 - src/portable/ehci/ehci.c | 25 ++++- src/tusb.h | 2 + 11 files changed, 180 insertions(+), 46 deletions(-) diff --git a/examples/host/bare_api/src/main.c b/examples/host/bare_api/src/main.c index 06ae03ecb..3b23dd43b 100644 --- a/examples/host/bare_api/src/main.c +++ b/examples/host/bare_api/src/main.c @@ -35,12 +35,19 @@ #include "bsp/board.h" #include "tusb.h" +// English +#define LANGUAGE_ID 0x0409 + //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF PROTYPES //--------------------------------------------------------------------+ void led_blinking_task(void); static void print_utf16(uint16_t *temp_buf, size_t buf_len); +void print_device_descriptor(tuh_xfer_t* xfer); +void parse_config_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg); + +tusb_desc_device_t desc_device; /*------------- MAIN -------------*/ int main(void) @@ -60,21 +67,28 @@ int main(void) return 0; } +/*------------- TinyUSB Callbacks -------------*/ + +// Invoked when device is mounted (configured) +void tuh_mount_cb (uint8_t daddr) +{ + printf("Device attached, address = %d\r\n", daddr); + + // Get Device Descriptor sync API + // TODO: invoking control trannsfer now has issue with mounting hub with multiple devices attached, fix later + tuh_descriptor_get_device(daddr, &desc_device, 18, print_device_descriptor, 0); +} + +/// Invoked when device is unmounted (bus reset/unplugged) +void tuh_umount_cb(uint8_t daddr) +{ + printf("Device removed, address = %d\r\n", daddr); +} + //--------------------------------------------------------------------+ -// TinyUSB Callbacks +// Device Descriptor //--------------------------------------------------------------------+ -// English -#define LANGUAGE_ID 0x0409 - -tusb_desc_device_t desc_device; - -//void parse_config_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg) -//{ -// uint8_t const* desc_end = ((uint8_t const*) desc_cfg) + tu_le16toh(desc_cfg->wTotalLength); -// uint8_t const* p_desc = tu_desc_next(desc_cfg); -//} - void print_device_descriptor(tuh_xfer_t* xfer) { if ( XFER_RESULT_SUCCESS != xfer->result ) @@ -125,28 +139,118 @@ void print_device_descriptor(tuh_xfer_t* xfer) printf(" bNumConfigurations %u\r\n" , desc_device.bNumConfigurations); // Get configuration descriptor with sync API -// if (XFER_RESULT_SUCCESS == tuh_descriptor_get_configuration_sync(daddr, 0, temp_buf, sizeof(temp_buf)) ) -// { -// parse_config_descriptor(daddr, (tusb_desc_configuration_t*) temp_buf); -// } + if (XFER_RESULT_SUCCESS == tuh_descriptor_get_configuration_sync(daddr, 0, temp_buf, sizeof(temp_buf)) ) + { + parse_config_descriptor(daddr, (tusb_desc_configuration_t*) temp_buf); + } } -// Invoked when device is mounted (configured) -void tuh_mount_cb (uint8_t daddr) + +//--------------------------------------------------------------------+ +// Configuration Descriptor +//--------------------------------------------------------------------+ + +// count total length of an interface +uint16_t count_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len); + +void open_hid_interface(uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len) { - printf("Device attached, address = %d\r\n", daddr); + // len = interface + hid + n*endpoints + uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t); - // Get Device Descriptor sync API - // TODO: invoking control trannsfer now has issue with mounting hub with multiple devices attached, fix later - tuh_descriptor_get_device(daddr, &desc_device, 18, print_device_descriptor, 0); + // corrupted descriptor + if (max_len < drv_len) return; + + uint8_t const *p_desc = (uint8_t const *) desc_itf; + + // HID descriptor + p_desc = tu_desc_next(p_desc); + + // Endpoint descriptor + tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc; + + for(int i = 0; i < desc_itf->bNumEndpoints; i++) + { + if (TUSB_DESC_ENDPOINT != desc_ep->bDescriptorType) return; + + if(tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) + { + //usbh_edpt_open(rhport, dev_addr, desc_ep); + } + } } -/// Invoked when device is unmounted (bus reset/unplugged) -void tuh_umount_cb(uint8_t daddr) +// simple configuration parser to open and listen to HID Endpoint IN +void parse_config_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg) { - printf("Device removed, address = %d\r\n", daddr); + uint8_t const* desc_end = ((uint8_t const*) desc_cfg) + tu_le16toh(desc_cfg->wTotalLength); + uint8_t const* p_desc = tu_desc_next(desc_cfg); + + // parse each interfaces + while( p_desc < desc_end ) + { + uint8_t assoc_itf_count = 1; + + // Class will always starts with Interface Association (if any) and then Interface descriptor + if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) ) + { + tusb_desc_interface_assoc_t const * desc_iad = (tusb_desc_interface_assoc_t const *) p_desc; + assoc_itf_count = desc_iad->bInterfaceCount; + + p_desc = tu_desc_next(p_desc); // next to Interface + } + + // must be interface from now + if( TUSB_DESC_INTERFACE != tu_desc_type(p_desc) ) return; + tusb_desc_interface_t const* desc_itf = (tusb_desc_interface_t const*) p_desc; + + uint16_t const drv_len = count_interface_total_len(desc_itf, assoc_itf_count, desc_end-p_desc); + + // probably corrupted descriptor + if(drv_len < sizeof(tusb_desc_interface_t)) return; + + // only open and listen to HID endpoint IN + if (desc_itf->bInterfaceClass == TUSB_CLASS_HID) + { + open_hid_interface(dev_addr, desc_itf, drv_len); + } + + // next Interface or IAD descriptor + p_desc += drv_len; + } } +uint16_t count_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len) +{ + uint8_t const* p_desc = (uint8_t const*) desc_itf; + uint16_t len = 0; + + while (itf_count--) + { + // Next on interface desc + len += tu_desc_len(desc_itf); + p_desc = tu_desc_next(p_desc); + + while (len < max_len) + { + // return on IAD regardless of itf count + if ( tu_desc_type(p_desc) == TUSB_DESC_INTERFACE_ASSOCIATION ) return len; + + if ( (tu_desc_type(p_desc) == TUSB_DESC_INTERFACE) && + ((tusb_desc_interface_t const*) p_desc)->bAlternateSetting == 0 ) + { + break; + } + + len += tu_desc_len(p_desc); + p_desc = tu_desc_next(p_desc); + } + } + + return len; +} + + //--------------------------------------------------------------------+ // Blinking Task //--------------------------------------------------------------------+ diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c index f946974e8..82cf911cf 100644 --- a/src/class/cdc/cdc_host.c +++ b/src/class/cdc/cdc_host.c @@ -161,6 +161,7 @@ void cdch_init(void) bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) { + (void) rhport; (void) max_len; // Only support ACM subclass @@ -196,7 +197,7 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it // notification endpoint tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc; - TU_ASSERT( usbh_edpt_open(rhport, dev_addr, desc_ep) ); + TU_ASSERT( usbh_edpt_open(dev_addr, desc_ep) ); p_cdc->ep_notif = desc_ep->bEndpointAddress; drv_len += tu_desc_len(p_desc); @@ -217,7 +218,7 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) p_desc; TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && TUSB_XFER_BULK == desc_ep->bmAttributes.xfer); - TU_ASSERT(usbh_edpt_open(rhport, dev_addr, desc_ep)); + TU_ASSERT(usbh_edpt_open(dev_addr, desc_ep)); if ( tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN ) { diff --git a/src/class/hid/hid.h b/src/class/hid/hid.h index 940454bd9..44a464be1 100644 --- a/src/class/hid/hid.h +++ b/src/class/hid/hid.h @@ -43,7 +43,7 @@ /** \defgroup ClassDriver_HID_Common Common Definitions * @{ */ - /// USB HID Descriptor +/// USB HID Descriptor typedef struct TU_ATTR_PACKED { uint8_t bLength; /**< Numeric expression that is the total size of the HID descriptor */ diff --git a/src/class/hid/hid_host.c b/src/class/hid/hid_host.c index 2bdd1db79..2280e87b4 100644 --- a/src/class/hid/hid_host.c +++ b/src/class/hid/hid_host.c @@ -324,6 +324,7 @@ void hidh_close(uint8_t dev_addr) bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len) { + (void) rhport; (void) max_len; TU_VERIFY(TUSB_CLASS_HID == desc_itf->bInterfaceClass); @@ -355,7 +356,7 @@ bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de for(int i = 0; i < desc_itf->bNumEndpoints; i++) { TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType); - TU_ASSERT( usbh_edpt_open(rhport, dev_addr, desc_ep) ); + TU_ASSERT( usbh_edpt_open(dev_addr, desc_ep) ); if(tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN) { diff --git a/src/class/msc/msc_host.c b/src/class/msc/msc_host.c index 06af781f5..4033cc429 100644 --- a/src/class/msc/msc_host.c +++ b/src/class/msc/msc_host.c @@ -365,6 +365,7 @@ static bool config_read_capacity_complete(uint8_t dev_addr, msc_cbw_t const* cbw bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len) { + (void) rhport; TU_VERIFY (MSC_SUBCLASS_SCSI == desc_itf->bInterfaceSubClass && MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol); @@ -378,7 +379,7 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de for(uint32_t i=0; i<2; i++) { TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer); - TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc)); + TU_ASSERT(usbh_edpt_open(dev_addr, ep_desc)); if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN ) { diff --git a/src/host/hub.c b/src/host/hub.c index da4f6fe3a..b4d369aca 100644 --- a/src/host/hub.c +++ b/src/host/hub.c @@ -183,6 +183,8 @@ void hub_init(void) bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) { + (void) rhport; + TU_VERIFY(TUSB_CLASS_HUB == itf_desc->bInterfaceClass && 0 == itf_desc->bInterfaceSubClass); @@ -199,7 +201,7 @@ bool hub_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0); - TU_ASSERT(usbh_edpt_open(rhport, dev_addr, desc_ep)); + TU_ASSERT(usbh_edpt_open(dev_addr, desc_ep)); hub_interface_t* p_hub = get_itf(dev_addr); diff --git a/src/host/usbh.c b/src/host/usbh.c index 497badfde..466e5decd 100644 --- a/src/host/usbh.c +++ b/src/host/usbh.c @@ -806,10 +806,11 @@ static bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size) return hcd_edpt_open(usbh_get_rhport(dev_addr), dev_addr, &ep0_desc); } -bool usbh_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * desc_ep) +bool usbh_edpt_open(uint8_t dev_addr, tusb_desc_endpoint_t const * desc_ep) { TU_ASSERT( tu_edpt_validate(desc_ep, tuh_speed_get(dev_addr)) ); - return hcd_edpt_open(rhport, dev_addr, desc_ep); + + return hcd_edpt_open(usbh_get_rhport(dev_addr), dev_addr, desc_ep); } bool usbh_edpt_busy(uint8_t dev_addr, uint8_t ep_addr) @@ -1189,7 +1190,7 @@ enum { }; static bool enum_request_set_addr(void); -static bool parse_configuration_descriptor (uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg); +static bool _parse_configuration_descriptor (uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg); static void enum_full_complete(void); // process device enumeration @@ -1350,7 +1351,7 @@ static void process_enumeration(tuh_xfer_t* xfer) case ENUM_SET_CONFIG: // Parse configuration & set up drivers // Driver open aren't allowed to make any usb transfer yet - TU_ASSERT( parse_configuration_descriptor(daddr, (tusb_desc_configuration_t*) _usbh_ctrl_buf), ); + TU_ASSERT( _parse_configuration_descriptor(daddr, (tusb_desc_configuration_t*) _usbh_ctrl_buf), ); TU_ASSERT( tuh_configuration_set(daddr, CONFIG_NUM, process_enumeration, ENUM_CONFIG_DRIVER), ); break; @@ -1496,7 +1497,7 @@ static bool enum_request_set_addr(void) return true; } -static bool parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg) +static bool _parse_configuration_descriptor(uint8_t dev_addr, tusb_desc_configuration_t const* desc_cfg) { usbh_device_t* dev = get_device(dev_addr); diff --git a/src/host/usbh.h b/src/host/usbh.h index 772c4cfd6..a2df0153e 100644 --- a/src/host/usbh.h +++ b/src/host/usbh.h @@ -44,8 +44,10 @@ typedef struct tuh_xfer_s tuh_xfer_t; typedef void (*tuh_xfer_cb_t)(tuh_xfer_t* xfer); -// Note: layout and order of this will be changed in near future +// Note1: layout and order of this will be changed in near future // it is advised to initialize it using member name +// Note2: not all field is available/meaningful in callback, some info is not saved by +// usbh to save SRAM struct tuh_xfer_s { uint8_t daddr; @@ -124,14 +126,18 @@ static inline bool tuh_ready(uint8_t daddr) //--------------------------------------------------------------------+ // Submit a control transfer -// Note: blocking if complete callback is NULL, in this case xfer contents will be updated to reflect the result +// - async: complete callback invoked when finished. +// - sync : blocking if complete callback is NULL. bool tuh_control_xfer(tuh_xfer_t* xfer); // Submit a bulk/interrupt transfer -// xfer memory must exist until transfer is complete. -// Note: blocking if complete callback is NULL. +// - async: complete callback invoked when finished. +// - sync : blocking if complete callback is NULL. bool tuh_edpt_xfer(tuh_xfer_t* xfer); +// Open an endpoint +bool usbh_edpt_open(uint8_t dev_addr, tusb_desc_endpoint_t const * desc_ep); + // Set Configuration (control transfer) // config_num = 0 will un-configure device. Note: config_num = config_descriptor_index + 1 // true on success, false if there is on-going control transfer or incorrect parameters diff --git a/src/host/usbh_classdriver.h b/src/host/usbh_classdriver.h index 30e97535d..c156afea0 100644 --- a/src/host/usbh_classdriver.h +++ b/src/host/usbh_classdriver.h @@ -63,9 +63,6 @@ void usbh_int_set(bool enabled); // USBH Endpoint API //--------------------------------------------------------------------+ -// Open an endpoint -bool usbh_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * desc_ep); - // Submit a usb transfer with callback support, require CFG_TUH_API_EDPT_XFER bool usbh_edpt_xfer_with_callback(uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes, tuh_xfer_cb_t complete_cb, uintptr_t user_data); diff --git a/src/portable/ehci/ehci.c b/src/portable/ehci/ehci.c index 8d420f26a..665f2380b 100644 --- a/src/portable/ehci/ehci.c +++ b/src/portable/ehci/ehci.c @@ -656,6 +656,26 @@ static void xfer_error_isr(uint8_t hostid) } } +#if CFG_TUSB_DEBUG >= EHCI_DBG + +static inline void print_portsc(ehci_registers_t* regs) +{ + TU_LOG_HEX(EHCI_DBG, regs->portsc); + TU_LOG(EHCI_DBG, " Current Connect Status: %u\r\n", regs->portsc_bm.current_connect_status); + TU_LOG(EHCI_DBG, " Connect Status Change : %u\r\n", regs->portsc_bm.connect_status_change); + TU_LOG(EHCI_DBG, " Port Enabled : %u\r\n", regs->portsc_bm.port_enabled); + TU_LOG(EHCI_DBG, " Port Enabled Change : %u\r\n", regs->portsc_bm.port_enable_change); + + TU_LOG(EHCI_DBG, " Port Reset : %u\r\n", regs->portsc_bm.port_reset); + TU_LOG(EHCI_DBG, " Port Power : %u\r\n", regs->portsc_bm.port_power); +} + +#else + +#define print_portsc(_reg) + +#endif + //------------- Host Controller Driver's Interrupt Handler -------------// void hcd_int_handler(uint8_t rhport) { @@ -675,9 +695,8 @@ void hcd_int_handler(uint8_t rhport) if (int_status & EHCI_INT_MASK_PORT_CHANGE) { - uint32_t port_status = regs->portsc & EHCI_PORTSC_MASK_ALL; - - TU_LOG_HEX(EHCI_DBG, regs->portsc); + uint32_t const port_status = regs->portsc & EHCI_PORTSC_MASK_ALL; + print_portsc(regs); if (regs->portsc_bm.connect_status_change) { diff --git a/src/tusb.h b/src/tusb.h index 222855fcb..b776d7d01 100644 --- a/src/tusb.h +++ b/src/tusb.h @@ -38,6 +38,8 @@ #include "osal/osal.h" #include "common/tusb_fifo.h" +#include "class/hid/hid.h" + //------------- HOST -------------// #if CFG_TUH_ENABLED #include "host/usbh.h"