add host/device_info example
This commit is contained in:
@@ -55,14 +55,14 @@ const uint8_t colemak[128] = {
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};
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#endif
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static uint8_t const keycode2ascii[128][2] = { HID_KEYCODE_TO_ASCII };
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static uint8_t const keycode2ascii[128][2] = {HID_KEYCODE_TO_ASCII};
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/* Blink pattern
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* - 250 ms : device not mounted
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* - 1000 ms : device mounted
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* - 2500 ms : device is suspended
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*/
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enum {
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enum {
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BLINK_NOT_MOUNTED = 250,
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BLINK_MOUNTED = 1000,
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BLINK_SUSPENDED = 2500,
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@@ -73,8 +73,7 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
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void led_blinking_task(void);
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/*------------- MAIN -------------*/
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int main(void)
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{
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int main(void) {
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board_init();
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printf("TinyUSB Host HID <-> Device CDC Example\r\n");
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@@ -87,8 +86,7 @@ int main(void)
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board_init_after_tusb();
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}
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while (1)
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{
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while (1) {
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tud_task(); // tinyusb device task
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tuh_task(); // tinyusb host task
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led_blinking_task();
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@@ -102,35 +100,30 @@ int main(void)
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//--------------------------------------------------------------------+
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// Invoked when device is mounted
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void tud_mount_cb(void)
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{
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void tud_mount_cb(void) {
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blink_interval_ms = BLINK_MOUNTED;
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}
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// Invoked when device is unmounted
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void tud_umount_cb(void)
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{
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void tud_umount_cb(void) {
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blink_interval_ms = BLINK_NOT_MOUNTED;
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}
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// Invoked when usb bus is suspended
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// remote_wakeup_en : if host allow us to perform remote wakeup
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// Within 7ms, device must draw an average of current less than 2.5 mA from bus
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void tud_suspend_cb(bool remote_wakeup_en)
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{
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void tud_suspend_cb(bool remote_wakeup_en) {
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(void) remote_wakeup_en;
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blink_interval_ms = BLINK_SUSPENDED;
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}
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// Invoked when usb bus is resumed
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void tud_resume_cb(void)
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{
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void tud_resume_cb(void) {
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blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
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}
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// Invoked when CDC interface received data from host
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void tud_cdc_rx_cb(uint8_t itf)
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{
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void tud_cdc_rx_cb(uint8_t itf) {
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(void) itf;
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char buf[64];
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@@ -149,38 +142,36 @@ void tud_cdc_rx_cb(uint8_t itf)
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// can be used to parse common/simple enough descriptor.
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// Note: if report descriptor length > CFG_TUH_ENUMERATION_BUFSIZE, it will be skipped
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// therefore report_desc = NULL, desc_len = 0
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void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_report, uint16_t desc_len)
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{
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(void)desc_report;
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(void)desc_len;
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void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_report, uint16_t desc_len) {
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(void) desc_report;
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(void) desc_len;
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// Interface protocol (hid_interface_protocol_enum_t)
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const char* protocol_str[] = { "None", "Keyboard", "Mouse" };
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const char* protocol_str[] = {"None", "Keyboard", "Mouse"};
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uint8_t const itf_protocol = tuh_hid_interface_protocol(dev_addr, instance);
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uint16_t vid, pid;
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tuh_vid_pid_get(dev_addr, &vid, &pid);
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char tempbuf[256];
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int count = sprintf(tempbuf, "[%04x:%04x][%u] HID Interface%u, Protocol = %s\r\n", vid, pid, dev_addr, instance, protocol_str[itf_protocol]);
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int count = sprintf(
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tempbuf, "[%04x:%04x][%u] HID Interface%u, Protocol = %s\r\n", vid, pid, dev_addr, instance,
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protocol_str[itf_protocol]);
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tud_cdc_write(tempbuf, (uint32_t) count);
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tud_cdc_write_flush();
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// Receive report from boot keyboard & mouse only
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// tuh_hid_report_received_cb() will be invoked when report is available
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if (itf_protocol == HID_ITF_PROTOCOL_KEYBOARD || itf_protocol == HID_ITF_PROTOCOL_MOUSE)
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{
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if ( !tuh_hid_receive_report(dev_addr, instance) )
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{
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if (itf_protocol == HID_ITF_PROTOCOL_KEYBOARD || itf_protocol == HID_ITF_PROTOCOL_MOUSE) {
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if (!tuh_hid_receive_report(dev_addr, instance)) {
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tud_cdc_write_str("Error: cannot request report\r\n");
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}
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}
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}
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// Invoked when device with hid interface is un-mounted
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void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance)
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{
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void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance) {
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char tempbuf[256];
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int count = sprintf(tempbuf, "[%u] HID Interface%u is unmounted\r\n", dev_addr, instance);
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tud_cdc_write(tempbuf, (uint32_t) count);
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@@ -188,11 +179,9 @@ void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance)
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}
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// look up new key in previous keys
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static inline bool find_key_in_report(hid_keyboard_report_t const *report, uint8_t keycode)
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{
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for(uint8_t i=0; i<6; i++)
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{
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if (report->keycode[i] == keycode) return true;
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static inline bool find_key_in_report(hid_keyboard_report_t const* report, uint8_t keycode) {
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for (uint8_t i = 0; i < 6; i++) {
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if (report->keycode[i] == keycode) return true;
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}
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return false;
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@@ -200,22 +189,17 @@ static inline bool find_key_in_report(hid_keyboard_report_t const *report, uint8
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// convert hid keycode to ascii and print via usb device CDC (ignore non-printable)
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static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const *report)
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{
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static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const* report) {
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(void) dev_addr;
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static hid_keyboard_report_t prev_report = { 0, 0, {0} }; // previous report to check key released
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static hid_keyboard_report_t prev_report = {0, 0, {0}}; // previous report to check key released
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bool flush = false;
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for(uint8_t i=0; i<6; i++)
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{
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for (uint8_t i = 0; i < 6; i++) {
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uint8_t keycode = report->keycode[i];
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if ( keycode )
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{
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if ( find_key_in_report(&prev_report, keycode) )
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{
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if (keycode) {
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if (find_key_in_report(&prev_report, keycode)) {
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// exist in previous report means the current key is holding
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}else
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{
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} else {
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// not existed in previous report means the current key is pressed
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// remap the key code for Colemak layout
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@@ -227,8 +211,7 @@ static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const *re
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bool const is_shift = report->modifier & (KEYBOARD_MODIFIER_LEFTSHIFT | KEYBOARD_MODIFIER_RIGHTSHIFT);
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uint8_t ch = keycode2ascii[keycode][is_shift ? 1 : 0];
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if (ch)
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{
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if (ch) {
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if (ch == '\n') tud_cdc_write("\r", 1);
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tud_cdc_write(&ch, 1);
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flush = true;
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@@ -244,13 +227,12 @@ static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const *re
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}
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// send mouse report to usb device CDC
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static void process_mouse_report(uint8_t dev_addr, hid_mouse_report_t const * report)
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{
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static void process_mouse_report(uint8_t dev_addr, hid_mouse_report_t const* report) {
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//------------- button state -------------//
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//uint8_t button_changed_mask = report->buttons ^ prev_report.buttons;
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char l = report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-';
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char l = report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-';
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char m = report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-';
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char r = report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-';
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char r = report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-';
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char tempbuf[32];
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int count = sprintf(tempbuf, "[%u] %c%c%c %d %d %d\r\n", dev_addr, l, m, r, report->x, report->y, report->wheel);
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@@ -260,27 +242,25 @@ static void process_mouse_report(uint8_t dev_addr, hid_mouse_report_t const * re
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}
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// Invoked when received report from device via interrupt endpoint
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void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len)
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{
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void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len) {
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(void) len;
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uint8_t const itf_protocol = tuh_hid_interface_protocol(dev_addr, instance);
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switch(itf_protocol)
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{
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switch (itf_protocol) {
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case HID_ITF_PROTOCOL_KEYBOARD:
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process_kbd_report(dev_addr, (hid_keyboard_report_t const*) report );
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break;
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process_kbd_report(dev_addr, (hid_keyboard_report_t const*) report);
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break;
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case HID_ITF_PROTOCOL_MOUSE:
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process_mouse_report(dev_addr, (hid_mouse_report_t const*) report );
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break;
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process_mouse_report(dev_addr, (hid_mouse_report_t const*) report);
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break;
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default: break;
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default:
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break;
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}
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// continue to request to receive report
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if ( !tuh_hid_receive_report(dev_addr, instance) )
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{
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if (!tuh_hid_receive_report(dev_addr, instance)) {
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tud_cdc_write_str("Error: cannot request report\r\n");
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}
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}
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@@ -288,13 +268,12 @@ void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t cons
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//--------------------------------------------------------------------+
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// Blinking Task
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//--------------------------------------------------------------------+
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void led_blinking_task(void)
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{
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void led_blinking_task(void) {
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static uint32_t start_ms = 0;
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static bool led_state = false;
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// Blink every interval ms
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if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
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if (board_millis() - start_ms < blink_interval_ms) return; // not enough time
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start_ms += blink_interval_ms;
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board_led_write(led_state);
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@@ -23,8 +23,8 @@
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*
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*/
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#ifndef _TUSB_CONFIG_H_
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#define _TUSB_CONFIG_H_
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#ifndef TUSB_CONFIG_H_
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#define TUSB_CONFIG_H_
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#ifdef __cplusplus
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extern "C" {
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@@ -144,4 +144,4 @@
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}
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#endif
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#endif /* _TUSB_CONFIG_H_ */
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#endif
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@@ -42,44 +42,41 @@
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//--------------------------------------------------------------------+
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// Device Descriptors
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//--------------------------------------------------------------------+
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tusb_desc_device_t const desc_device =
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{
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.bLength = sizeof(tusb_desc_device_t),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = USB_BCD,
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tusb_desc_device_t const desc_device = {
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.bLength = sizeof(tusb_desc_device_t),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = USB_BCD,
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// Use Interface Association Descriptor (IAD) for CDC
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// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
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.bDeviceClass = TUSB_CLASS_MISC,
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.bDeviceSubClass = MISC_SUBCLASS_COMMON,
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.bDeviceProtocol = MISC_PROTOCOL_IAD,
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// Use Interface Association Descriptor (IAD) for CDC
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// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
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.bDeviceClass = TUSB_CLASS_MISC,
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.bDeviceSubClass = MISC_SUBCLASS_COMMON,
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.bDeviceProtocol = MISC_PROTOCOL_IAD,
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.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
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.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
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.idVendor = USB_VID,
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.idProduct = USB_PID,
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.bcdDevice = 0x0100,
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.idVendor = USB_VID,
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.idProduct = USB_PID,
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.bcdDevice = 0x0100,
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.iManufacturer = 0x01,
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.iProduct = 0x02,
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.iSerialNumber = 0x03,
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.iManufacturer = 0x01,
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.iProduct = 0x02,
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.iSerialNumber = 0x03,
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.bNumConfigurations = 0x01
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.bNumConfigurations = 0x01
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};
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// Invoked when received GET DEVICE DESCRIPTOR
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// Application return pointer to descriptor
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uint8_t const * tud_descriptor_device_cb(void)
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{
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return (uint8_t const *) &desc_device;
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uint8_t const* tud_descriptor_device_cb(void) {
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return (uint8_t const*) &desc_device;
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}
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//--------------------------------------------------------------------+
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// Configuration Descriptor
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//--------------------------------------------------------------------+
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enum
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{
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enum {
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ITF_NUM_CDC = 0,
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ITF_NUM_CDC_DATA,
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ITF_NUM_TOTAL
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@@ -92,7 +89,7 @@ enum
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#define EPNUM_CDC_OUT 0x02
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#define EPNUM_CDC_IN 0x82
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#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X
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#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X
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// SAMG & SAME70 don't support a same endpoint number with different direction IN and OUT
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// e.g EP1 OUT & EP1 IN cannot exist together
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#define EPNUM_CDC_NOTIF 0x81
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@@ -109,7 +106,7 @@ enum
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#define EPNUM_CDC_IN 0x81
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#elif CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X
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// FT9XX doesn't support a same endpoint number with different direction IN and OUT
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// FT9XX doesn't support a same endpoint number with different direction IN and OUT
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// e.g EP1 OUT & EP1 IN cannot exist together
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#define EPNUM_CDC_NOTIF 0x81
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#define EPNUM_CDC_OUT 0x02
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@@ -125,21 +122,19 @@ enum
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#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN)
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// full speed configuration
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uint8_t const desc_fs_configuration[] =
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{
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// Config number, interface count, string index, total length, attribute, power in mA
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TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
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uint8_t const desc_fs_configuration[] = {
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// Config number, interface count, string index, total length, attribute, power in mA
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TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
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// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
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TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
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// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
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TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
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};
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#if TUD_OPT_HIGH_SPEED
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// Per USB specs: high speed capable device must report device_qualifier and other_speed_configuration
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// high speed configuration
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uint8_t const desc_hs_configuration[] =
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{
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uint8_t const desc_hs_configuration[] = {
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// Config number, interface count, string index, total length, attribute, power in mA
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TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
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@@ -151,8 +146,7 @@ uint8_t const desc_hs_configuration[] =
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uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN];
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// device qualifier is mostly similar to device descriptor since we don't change configuration based on speed
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tusb_desc_device_qualifier_t const desc_device_qualifier =
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{
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tusb_desc_device_qualifier_t const desc_device_qualifier = {
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.bLength = sizeof(tusb_desc_device_qualifier_t),
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.bDescriptorType = TUSB_DESC_DEVICE_QUALIFIER,
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.bcdUSB = USB_BCD,
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@@ -170,16 +164,14 @@ tusb_desc_device_qualifier_t const desc_device_qualifier =
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// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete.
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// device_qualifier descriptor describes information about a high-speed capable device that would
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// change if the device were operating at the other speed. If not highspeed capable stall this request.
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uint8_t const* tud_descriptor_device_qualifier_cb(void)
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{
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uint8_t const* tud_descriptor_device_qualifier_cb(void) {
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return (uint8_t const*) &desc_device_qualifier;
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}
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// Invoked when received GET OTHER SEED CONFIGURATION DESCRIPTOR request
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// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
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// Configuration descriptor in the other speed e.g if high speed then this is for full speed and vice versa
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uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index)
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{
|
||||
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
|
||||
@@ -199,8 +191,7 @@ uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index)
|
||||
// Invoked when received GET CONFIGURATION DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
// Descriptor contents must exist long enough for transfer to complete
|
||||
uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
|
||||
{
|
||||
uint8_t const* tud_descriptor_configuration_cb(uint8_t index) {
|
||||
(void) index; // for multiple configurations
|
||||
|
||||
#if TUD_OPT_HIGH_SPEED
|
||||
@@ -224,24 +215,23 @@ enum {
|
||||
};
|
||||
|
||||
// array of pointer to string descriptors
|
||||
char const *string_desc_arr[] =
|
||||
{
|
||||
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
|
||||
"TinyUSB", // 1: Manufacturer
|
||||
"TinyUSB Device", // 2: Product
|
||||
NULL, // 3: Serials will use unique ID if possible
|
||||
"TinyUSB CDC", // 4: CDC Interface
|
||||
char const* string_desc_arr[] = {
|
||||
(const char[]) {0x09, 0x04}, // 0: is supported language is English (0x0409)
|
||||
"TinyUSB", // 1: Manufacturer
|
||||
"TinyUSB Device", // 2: Product
|
||||
NULL, // 3: Serials will use unique ID if possible
|
||||
"TinyUSB CDC", // 4: CDC Interface
|
||||
};
|
||||
|
||||
static uint16_t _desc_str[32 + 1];
|
||||
|
||||
// Invoked when received GET STRING DESCRIPTOR request
|
||||
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
|
||||
uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
|
||||
uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
|
||||
(void) langid;
|
||||
size_t chr_count;
|
||||
|
||||
switch ( index ) {
|
||||
switch (index) {
|
||||
case STRID_LANGID:
|
||||
memcpy(&_desc_str[1], string_desc_arr[0], 2);
|
||||
chr_count = 1;
|
||||
@@ -255,17 +245,17 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
|
||||
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
|
||||
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
|
||||
|
||||
if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) return NULL;
|
||||
if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0]))) return NULL;
|
||||
|
||||
const char *str = string_desc_arr[index];
|
||||
const char* str = string_desc_arr[index];
|
||||
|
||||
// Cap at max char
|
||||
chr_count = strlen(str);
|
||||
size_t const max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
|
||||
if ( chr_count > max_count ) chr_count = max_count;
|
||||
if (chr_count > max_count) chr_count = max_count;
|
||||
|
||||
// Convert ASCII string into UTF-16
|
||||
for ( size_t i = 0; i < chr_count; i++ ) {
|
||||
for (size_t i = 0; i < chr_count; i++) {
|
||||
_desc_str[1 + i] = str[i];
|
||||
}
|
||||
break;
|
||||
|
Reference in New Issue
Block a user