diff options
Diffstat (limited to 'examples/host/bare_api/src/main.c')
| -rw-r--r-- | examples/host/bare_api/src/main.c | 137 |
1 files changed, 128 insertions, 9 deletions
diff --git a/examples/host/bare_api/src/main.c b/examples/host/bare_api/src/main.c index b6b1527c0..73e97c390 100644 --- a/examples/host/bare_api/src/main.c +++ b/examples/host/bare_api/src/main.c @@ -46,8 +46,6 @@ int main(void) board_init(); printf("TinyUSB Host HID Controller Example\r\n"); - printf("Note: Events only displayed for explictly supported controllers\r\n"); - tusb_init(); while (1) @@ -64,23 +62,144 @@ int main(void) // TinyUSB Callbacks //--------------------------------------------------------------------+ -void print_device_descriptor(uint8_t dev_addr) +// English +#define LANGUAGE_ID 0x0409 + +//uint8_t usb_buf[256] TU_ATTR_ALIGNED(4); +tusb_desc_device_t desc_device; + +static volatile xfer_result_t _get_string_result; + +static bool _transfer_done_cb(uint8_t daddr, tusb_control_request_t const *request, xfer_result_t result) { + (void)daddr; + (void)request; + _get_string_result = result; + return true; +} + +static void _convert_utf16le_to_utf8(const uint16_t *utf16, size_t utf16_len, uint8_t *utf8, size_t utf8_len) { + // TODO: Check for runover. + (void)utf8_len; + // Get the UTF-16 length out of the data itself. + + for (size_t i = 0; i < utf16_len; i++) { + uint16_t chr = utf16[i]; + if (chr < 0x80) { + *utf8++ = chr & 0xff; + } else if (chr < 0x800) { + *utf8++ = (uint8_t)(0xC0 | (chr >> 6 & 0x1F)); + *utf8++ = (uint8_t)(0x80 | (chr >> 0 & 0x3F)); + } else { + // TODO: Verify surrogate. + *utf8++ = (uint8_t)(0xE0 | (chr >> 12 & 0x0F)); + *utf8++ = (uint8_t)(0x80 | (chr >> 6 & 0x3F)); + *utf8++ = (uint8_t)(0x80 | (chr >> 0 & 0x3F)); + } + // TODO: Handle UTF-16 code points that take two entries. + } +} + +// Count how many bytes a utf-16-le encoded string will take in utf-8. +static int _count_utf8_bytes(const uint16_t *buf, size_t len) { + size_t total_bytes = 0; + for (size_t i = 0; i < len; i++) { + uint16_t chr = buf[i]; + if (chr < 0x80) { + total_bytes += 1; + } else if (chr < 0x800) { + total_bytes += 2; + } else { + total_bytes += 3; + } + // TODO: Handle UTF-16 code points that take two entries. + } + return total_bytes; +} + +static void _wait_and_convert(uint16_t *temp_buf, size_t buf_len) { + while (_get_string_result == 0xff) { + tuh_task(); + } + if (_get_string_result != XFER_RESULT_SUCCESS) { + temp_buf[0] = 0; + return; + } + size_t utf16_len = ((temp_buf[0] & 0xff) - 2) / sizeof(uint16_t); + size_t utf8_len = _count_utf8_bytes(temp_buf + 1, utf16_len); + _convert_utf16le_to_utf8(temp_buf + 1, utf16_len, (uint8_t *) temp_buf, sizeof(uint16_t) * buf_len); + ((uint8_t*) temp_buf)[utf8_len] = '\0'; +} + +bool print_device_descriptor(uint8_t daddr, tusb_control_request_t const * request, xfer_result_t result) { - (void) dev_addr; + (void) request; + + if ( XFER_RESULT_SUCCESS != result ) + { + printf("Failed to get device descriptor\r\n"); + return false; + } + + printf("Device %u: ID %04x:%04x\r\n", daddr, desc_device.idVendor, desc_device.idProduct); printf("Device Descriptor:\r\n"); + printf(" bLength %u\r\n" , desc_device.bLength); + printf(" bDescriptorType %u\r\n" , desc_device.bDescriptorType); + printf(" bcdUSB %04x\r\n" , desc_device.bcdUSB); + printf(" bDeviceClass %u\r\n" , desc_device.bDeviceClass); + printf(" bDeviceSubClass %u\r\n" , desc_device.bDeviceSubClass); + printf(" bDeviceProtocol %u\r\n" , desc_device.bDeviceProtocol); + printf(" bMaxPacketSize0 %u\r\n" , desc_device.bMaxPacketSize0); + printf(" idVendor 0x%04x\r\n" , desc_device.idVendor); + printf(" idProduct 0x%04x\r\n" , desc_device.idProduct); + printf(" bcdDevice %04x\r\n" , desc_device.bcdDevice); + + _get_string_result = 0xff; + uint16_t temp_buf[128]; + + printf(" iManufacturer %u " , desc_device.iManufacturer); + temp_buf[0] = 0; + if (tuh_descriptor_get_manufacturer_string(daddr, LANGUAGE_ID, temp_buf, TU_ARRAY_SIZE(temp_buf), _transfer_done_cb)) { + _wait_and_convert(temp_buf, TU_ARRAY_SIZE(temp_buf)); + printf((const char*) temp_buf); + } + printf("\r\n"); + + printf(" iProduct %u " , desc_device.iProduct); + _get_string_result = 0xff; + temp_buf[0] = 0; + if (tuh_descriptor_get_product_string(daddr, LANGUAGE_ID, temp_buf, TU_ARRAY_SIZE(temp_buf), _transfer_done_cb)) { + _wait_and_convert(temp_buf, TU_ARRAY_SIZE(temp_buf)); + printf((const char*) temp_buf); + } + printf("\r\n"); + + printf(" iSerialNumber %u " , desc_device.iSerialNumber); + _get_string_result = 0xff; + temp_buf[0] = 0; + if (tuh_descriptor_get_serial_string(daddr, LANGUAGE_ID, temp_buf, TU_ARRAY_SIZE(temp_buf), _transfer_done_cb)) { + _wait_and_convert(temp_buf, TU_ARRAY_SIZE(temp_buf)); + printf((const char*) temp_buf); + } + printf("\r\n"); + + printf(" bNumConfigurations %u\r\n" , desc_device.bNumConfigurations); + + return true; } // Invoked when device is mounted (configured) -void tuh_mount_cb (uint8_t dev_addr) +void tuh_mount_cb (uint8_t daddr) { - printf("Device attached, address = %d\r\n", dev_addr); - print_device_descriptor(dev_addr); + printf("Device attached, address = %d\r\n", daddr); + + // Get Device Descriptor + tuh_descriptor_get_device(daddr, &desc_device, 18, print_device_descriptor); } /// Invoked when device is unmounted (bus reset/unplugged) -void tuh_umount_cb(uint8_t dev_addr) +void tuh_umount_cb(uint8_t daddr) { - printf("Device removed, address = %d\r\n", dev_addr); + printf("Device removed, address = %d\r\n", daddr); } //--------------------------------------------------------------------+ |