From 39a5c822a2a2e798e2e39ff8a98b7af84253026c Mon Sep 17 00:00:00 2001 From: Joey Castillo Date: Sat, 28 Aug 2021 12:50:18 -0400 Subject: add tinyusb --- tinyusb/src/tusb.c | 246 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 246 insertions(+) create mode 100755 tinyusb/src/tusb.c (limited to 'tinyusb/src/tusb.c') diff --git a/tinyusb/src/tusb.c b/tinyusb/src/tusb.c new file mode 100755 index 00000000..6494287d --- /dev/null +++ b/tinyusb/src/tusb.c @@ -0,0 +1,246 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 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 || TUSB_OPT_DEVICE_ENABLED + +#include "tusb.h" + +// TODO clean up +#if TUSB_OPT_DEVICE_ENABLED +#include "device/usbd_pvt.h" +#endif + +bool tusb_init(void) +{ +#if TUSB_OPT_DEVICE_ENABLED + TU_ASSERT ( tud_init(TUD_OPT_RHPORT) ); // init device stack +#endif + +#if TUSB_OPT_HOST_ENABLED + TU_ASSERT( tuh_init(TUH_OPT_RHPORT) ); // init host stack +#endif + + return true; +} + +bool tusb_inited(void) +{ + bool ret = false; + +#if TUSB_OPT_DEVICE_ENABLED + ret = ret || tud_inited(); +#endif + +#if TUSB_OPT_HOST_ENABLED + ret = ret || tuh_inited(); +#endif + + return ret; +} + +//--------------------------------------------------------------------+ +// Internal Helper for both Host and Device stack +//--------------------------------------------------------------------+ + +bool tu_edpt_validate(tusb_desc_endpoint_t const * desc_ep, tusb_speed_t speed) +{ + uint16_t const max_packet_size = tu_le16toh(desc_ep->wMaxPacketSize.size); + TU_LOG2(" Open EP %02X with Size = %u\r\n", desc_ep->bEndpointAddress, max_packet_size); + + switch (desc_ep->bmAttributes.xfer) + { + case TUSB_XFER_ISOCHRONOUS: + { + uint16_t const spec_size = (speed == TUSB_SPEED_HIGH ? 1024 : 1023); + TU_ASSERT(max_packet_size <= spec_size); + } + break; + + case TUSB_XFER_BULK: + if (speed == TUSB_SPEED_HIGH) + { + // Bulk highspeed must be EXACTLY 512 + TU_ASSERT(max_packet_size == 512); + }else + { + // TODO Bulk fullspeed can only be 8, 16, 32, 64 + TU_ASSERT(max_packet_size <= 64); + } + break; + + case TUSB_XFER_INTERRUPT: + { + uint16_t const spec_size = (speed == TUSB_SPEED_HIGH ? 1024 : 64); + TU_ASSERT(max_packet_size <= spec_size); + } + break; + + default: return false; + } + + return true; +} + +void tu_edpt_bind_driver(uint8_t ep2drv[][2], tusb_desc_interface_t const* desc_itf, uint16_t desc_len, uint8_t driver_id) +{ + uint8_t const* p_desc = (uint8_t const*) desc_itf; + uint16_t len = 0; + + while( len < desc_len ) + { + if ( TUSB_DESC_ENDPOINT == tu_desc_type(p_desc) ) + { + uint8_t const ep_addr = ((tusb_desc_endpoint_t const*) p_desc)->bEndpointAddress; + + TU_LOG(2, " Bind EP %02x to driver id %u\r\n", ep_addr, driver_id); + ep2drv[tu_edpt_number(ep_addr)][tu_edpt_dir(ep_addr)] = driver_id; + } + + len = (uint16_t)(len + tu_desc_len(p_desc)); + p_desc = tu_desc_next(p_desc); + } +} + +uint16_t tu_desc_get_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; +} + +/*------------------------------------------------------------------*/ +/* Debug + *------------------------------------------------------------------*/ +#if CFG_TUSB_DEBUG +#include + +char const* const tusb_strerr[TUSB_ERROR_COUNT] = { ERROR_TABLE(ERROR_STRING) }; + +static void dump_str_line(uint8_t const* buf, uint16_t count) +{ + tu_printf(" |"); + + // each line is 16 bytes + for(uint16_t i=0; i