diff options
Diffstat (limited to 'examples/device/cdc_msc_throughput/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/cdc_msc_throughput/src/usb_descriptors.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/examples/device/cdc_msc_throughput/src/usb_descriptors.c b/examples/device/cdc_msc_throughput/src/usb_descriptors.c new file mode 100644 index 000000000..3b0ff6e17 --- /dev/null +++ b/examples/device/cdc_msc_throughput/src/usb_descriptors.c @@ -0,0 +1,186 @@ +/* + * 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. + * + */ + +#include "bsp/board_api.h" +#include "tusb.h" + +#define USB_PID (0x4000 | ((CFG_TUD_CDC) ? (1 << 0) : 0) | ((CFG_TUD_MSC) ? (1 << 1) : 0)) +#define USB_VID 0xCafe +#define USB_BCD 0x0200 + +static tusb_desc_device_t const desc_device = { + .bLength = sizeof(tusb_desc_device_t), + .bDescriptorType = TUSB_DESC_DEVICE, + .bcdUSB = USB_BCD, + + // IAD required for composite CDC + MSC + .bDeviceClass = TUSB_CLASS_MISC, + .bDeviceSubClass = MISC_SUBCLASS_COMMON, + .bDeviceProtocol = MISC_PROTOCOL_IAD, + .bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE, + + .idVendor = USB_VID, + .idProduct = USB_PID, + .bcdDevice = 0x0100, + + .iManufacturer = 0x01, + .iProduct = 0x02, + .iSerialNumber = 0x03, + + .bNumConfigurations = 0x01, +}; + +uint8_t const *tud_descriptor_device_cb(void) { + return (uint8_t const *) &desc_device; +} + +enum { + ITF_NUM_CDC = 0, + ITF_NUM_CDC_DATA, + ITF_NUM_MSC, + ITF_NUM_TOTAL, +}; + +// Place bulk endpoints on EP>=8 for MAX32690 class parts (bigger FIFO, DPB-capable). +#if CFG_TUD_ENDPOINT_ONE_DIRECTION_ONLY + #if TU_CHECK_MCU(OPT_MCU_MAX32650, OPT_MCU_MAX32666, OPT_MCU_MAX32690, OPT_MCU_MAX78002) + // Put bulk on EP>=8 so the 2048/4096-byte FIFOs can back double packet buffering + #define EPNUM_CDC_NOTIF 0x81 + #define EPNUM_CDC_OUT 0x08 + #define EPNUM_CDC_IN 0x89 + #define EPNUM_MSC_OUT 0x0A + #define EPNUM_MSC_IN 0x8B + #else + #define EPNUM_CDC_NOTIF 0x81 + #define EPNUM_CDC_OUT 0x02 + #define EPNUM_CDC_IN 0x83 + #define EPNUM_MSC_OUT 0x04 + #define EPNUM_MSC_IN 0x85 + #endif +#else + #define EPNUM_CDC_NOTIF 0x81 + #define EPNUM_CDC_OUT 0x02 + #define EPNUM_CDC_IN 0x82 + #define EPNUM_MSC_OUT 0x03 + #define EPNUM_MSC_IN 0x83 +#endif + +#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_MSC_DESC_LEN) + +static uint8_t const desc_fs_configuration[] = { + TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100), + TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 16, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64), + TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 64), +}; + +#if TUD_OPT_HIGH_SPEED +static uint8_t const desc_hs_configuration[] = { + TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100), + TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 16, EPNUM_CDC_OUT, EPNUM_CDC_IN, 512), + TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 512), +}; + +static uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN]; + +static tusb_desc_device_qualifier_t const desc_device_qualifier = { + .bLength = sizeof(tusb_desc_device_qualifier_t), + .bDescriptorType = TUSB_DESC_DEVICE_QUALIFIER, + .bcdUSB = USB_BCD, + .bDeviceClass = 0x00, + .bDeviceSubClass = 0x00, + .bDeviceProtocol = 0x00, + .bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE, + .bNumConfigurations = 0x01, + .bReserved = 0x00, +}; + +uint8_t const *tud_descriptor_device_qualifier_cb(void) { + return (uint8_t const *) &desc_device_qualifier; +} + +uint8_t const *tud_descriptor_other_speed_configuration_cb(uint8_t index) { + (void) index; + memcpy(desc_other_speed_config, + (tud_speed_get() == TUSB_SPEED_HIGH) ? desc_fs_configuration : desc_hs_configuration, + CONFIG_TOTAL_LEN); + desc_other_speed_config[1] = TUSB_DESC_OTHER_SPEED_CONFIG; + return desc_other_speed_config; +} +#endif + +uint8_t const *tud_descriptor_configuration_cb(uint8_t index) { + (void) index; +#if TUD_OPT_HIGH_SPEED + return (tud_speed_get() == TUSB_SPEED_HIGH) ? desc_hs_configuration : desc_fs_configuration; +#else + return desc_fs_configuration; +#endif +} + +enum { + STRID_LANGID = 0, + STRID_MANUFACTURER, + STRID_PRODUCT, + STRID_SERIAL, +}; + +static char const *string_desc_arr[] = { + (const char[]) { 0x09, 0x04 }, + "TinyUSB", + "Throughput", + NULL, + "TinyUSB CDC", + "TinyUSB MSC", +}; + +static uint16_t _desc_str[32 + 1]; + +uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) { + (void) langid; + size_t chr_count; + + switch (index) { + case STRID_LANGID: + memcpy(&_desc_str[1], string_desc_arr[0], 2); + chr_count = 1; + break; + + case STRID_SERIAL: + chr_count = board_usb_get_serial(_desc_str + 1, 32); + break; + + default: + if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0]))) return NULL; + const char *str = string_desc_arr[index]; + chr_count = strlen(str); + size_t const max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; + if (chr_count > max_count) chr_count = max_count; + for (size_t i = 0; i < chr_count; i++) _desc_str[1 + i] = str[i]; + break; + } + + _desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2)); + return _desc_str; +} |