diff options
Diffstat (limited to 'examples/device/usbtmc/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/usbtmc/src/usb_descriptors.c | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/examples/device/usbtmc/src/usb_descriptors.c b/examples/device/usbtmc/src/usb_descriptors.c index 85acd990a..ecdcef834 100644 --- a/examples/device/usbtmc/src/usb_descriptors.c +++ b/examples/device/usbtmc/src/usb_descriptors.c @@ -34,9 +34,9 @@ * Auto ProductID layout's Bitmap: * [MSB] HID | MSC | CDC [LSB] */ -#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) ) -#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \ - _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) ) +#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0) +#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \ + PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) ) #define USB_VID 0xcafe #define USB_BCD 0x0200 @@ -44,7 +44,7 @@ //--------------------------------------------------------------------+ // Device Descriptors //--------------------------------------------------------------------+ -tusb_desc_device_t const desc_device = +static tusb_desc_device_t const desc_device = { .bLength = sizeof(tusb_desc_device_t), .bDescriptorType = TUSB_DESC_DEVICE, @@ -79,16 +79,26 @@ uint8_t const * tud_descriptor_device_cb(void) #if defined(CFG_TUD_USBTMC) +#if CFG_TUD_ENDPOINT_ONE_DIRECTION_ONLY +# define EPNUM_USBTMC_OUT 0x01 +# define EPNUM_USBTMC_IN 0x82 +# define EPNUM_USBTMC_INT 0x83 +#else +# define EPNUM_USBTMC_OUT 0x01 +# define EPNUM_USBTMC_IN 0x81 +# define EPNUM_USBTMC_INT 0x82 +#endif + # define TUD_USBTMC_DESC_MAIN(_itfnum,_bNumEndpoints, _bulkMaxPacketLength) \ TUD_USBTMC_IF_DESCRIPTOR(_itfnum, _bNumEndpoints, /*_stridx = */ 4u, TUD_USBTMC_PROTOCOL_USB488), \ - TUD_USBTMC_BULK_DESCRIPTORS(/* OUT = */0x01, /* IN = */ 0x81, /* packet size = */_bulkMaxPacketLength) + TUD_USBTMC_BULK_DESCRIPTORS(EPNUM_USBTMC_OUT, EPNUM_USBTMC_IN, /* packet size = */_bulkMaxPacketLength) #if CFG_TUD_USBTMC_ENABLE_INT_EP // USBTMC Interrupt xfer always has length of 2, but we use epMaxSize=8 for // compatibility with mcus that only allow 8, 16, 32 or 64 for FS endpoints # define TUD_USBTMC_DESC(_itfnum, _bulkMaxPacketLength) \ TUD_USBTMC_DESC_MAIN(_itfnum, /* _epCount = */ 3, _bulkMaxPacketLength), \ - TUD_USBTMC_INT_DESCRIPTOR(/* INT ep # */ 0x82, /* epMaxSize = */ 8, /* bInterval = */16u ) + TUD_USBTMC_INT_DESCRIPTOR(EPNUM_USBTMC_INT, /* epMaxSize = */ 8, /* bInterval = */16u ) # define TUD_USBTMC_DESC_LEN (TUD_USBTMC_IF_DESCRIPTOR_LEN + TUD_USBTMC_BULK_DESCRIPTORS_LEN + TUD_USBTMC_INT_DESCRIPTOR_LEN) #else @@ -112,7 +122,7 @@ enum #define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_USBTMC_DESC_LEN) -uint8_t const desc_fs_configuration[] = +static uint8_t const desc_fs_configuration[] = { // Config number, interface count, string index, total length, attribute, power in mA TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100), @@ -122,7 +132,7 @@ uint8_t const desc_fs_configuration[] = #if TUD_OPT_HIGH_SPEED -uint8_t const desc_hs_configuration[] = +static uint8_t const desc_hs_configuration[] = { // Config number, interface count, string index, total length, attribute, power in mA TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100), @@ -131,10 +141,10 @@ uint8_t const desc_hs_configuration[] = }; // other speed configuration -uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN]; +static uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN]; // device qualifier is mostly similar to device descriptor since we don't change configuration based on speed -tusb_desc_device_qualifier_t const desc_device_qualifier = +static tusb_desc_device_qualifier_t const desc_device_qualifier = { .bLength = sizeof(tusb_desc_device_qualifier_t), .bDescriptorType = TUSB_DESC_DEVICE_QUALIFIER, @@ -158,6 +168,23 @@ uint8_t const* tud_descriptor_device_qualifier_cb(void) return (uint8_t const*) &desc_device_qualifier; } +// Invoked when received GET OTHER SEED CONFIGURATION DESCRIPTOR request +// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete +// Configuration descriptor in the other speed e.g if high speed then this is for full speed and vice versa +uint8_t const *tud_descriptor_other_speed_configuration_cb(uint8_t index) { + (void) index; // for multiple configurations + + // if link speed is high return fullspeed config, and vice versa + // Note: the descriptor type is OTHER_SPEED_CONFIG instead of CONFIG + 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 // Invoked when received GET CONFIGURATION DESCRIPTOR @@ -187,7 +214,7 @@ enum { }; // array of pointer to string descriptors -char const *string_desc_arr[] = +static char const *string_desc_arr[] = { (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409) "TinyUSB", // 1: Manufacturer |