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-rw-r--r--examples/device/hid_composite/src/main.c242
-rw-r--r--examples/device/hid_composite/src/tusb_config.h6
-rw-r--r--examples/device/hid_composite/src/usb_descriptors.c14
3 files changed, 111 insertions, 151 deletions
diff --git a/examples/device/hid_composite/src/main.c b/examples/device/hid_composite/src/main.c
index fa02a1abe..7c9d5af8d 100644
--- a/examples/device/hid_composite/src/main.c
+++ b/examples/device/hid_composite/src/main.c
@@ -23,8 +23,8 @@
*
*/
-#include <stdlib.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include "bsp/board_api.h"
@@ -41,10 +41,10 @@
* - 1000 ms : device mounted
* - 2500 ms : device is suspended
*/
-enum {
+enum {
BLINK_NOT_MOUNTED = 250,
- BLINK_MOUNTED = 1000,
- BLINK_SUSPENDED = 2500,
+ BLINK_MOUNTED = 1000,
+ BLINK_SUSPENDED = 2500,
};
static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
@@ -53,24 +53,18 @@ void led_blinking_task(void);
void hid_task(void);
/*------------- MAIN -------------*/
-int main(void)
-{
+int main(void) {
board_init();
// init device stack on configured roothub port
- tusb_rhport_init_t dev_init = {
- .role = TUSB_ROLE_DEVICE,
- .speed = TUSB_SPEED_AUTO
- };
+ tusb_rhport_init_t dev_init = {.role = TUSB_ROLE_DEVICE, .speed = TUSB_SPEED_AUTO};
tusb_init(BOARD_TUD_RHPORT, &dev_init);
board_init_after_tusb();
- while (1)
- {
+ while (1) {
tud_task(); // tinyusb device task
led_blinking_task();
-
hid_task();
}
}
@@ -80,29 +74,25 @@ int main(void)
//--------------------------------------------------------------------+
// Invoked when device is mounted
-void tud_mount_cb(void)
-{
+void tud_mount_cb(void) {
blink_interval_ms = BLINK_MOUNTED;
}
// Invoked when device is unmounted
-void tud_umount_cb(void)
-{
+void tud_umount_cb(void) {
blink_interval_ms = BLINK_NOT_MOUNTED;
}
// Invoked when usb bus is suspended
// remote_wakeup_en : if host allow us to perform remote wakeup
// Within 7ms, device must draw an average of current less than 2.5 mA from bus
-void tud_suspend_cb(bool remote_wakeup_en)
-{
- (void) remote_wakeup_en;
+void tud_suspend_cb(bool remote_wakeup_en) {
+ (void)remote_wakeup_en;
blink_interval_ms = BLINK_SUSPENDED;
}
// Invoked when usb bus is resumed
-void tud_resume_cb(void)
-{
+void tud_resume_cb(void) {
blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
}
@@ -110,157 +100,128 @@ void tud_resume_cb(void)
// USB HID
//--------------------------------------------------------------------+
-static void send_hid_report(uint8_t report_id, uint32_t btn)
-{
+static void send_hid_report(uint8_t report_id, uint32_t btn) {
// skip if hid is not ready yet
- if ( !tud_hid_ready() ) return;
+ if (!tud_hid_ready()) {
+ return;
+ }
- switch(report_id)
- {
- case REPORT_ID_KEYBOARD:
- {
+ switch (report_id) {
+ case REPORT_ID_KEYBOARD: {
// use to avoid send multiple consecutive zero report for keyboard
static bool has_keyboard_key = false;
- if ( btn )
- {
- uint8_t keycode[6] = { 0 };
- keycode[0] = HID_KEY_A;
+ if (btn != 0u) {
+ uint8_t keycode[6] = {0};
+ keycode[0] = HID_KEY_A;
tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode);
has_keyboard_key = true;
- }else
- {
+ } else {
// send empty key report if previously has key pressed
- if (has_keyboard_key) tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL);
+ if (has_keyboard_key) {
+ tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL);
+ }
has_keyboard_key = false;
}
+ break;
}
- break;
- case REPORT_ID_MOUSE:
- {
+ case REPORT_ID_MOUSE: {
int8_t const delta = 5;
// no button, right + down, no scroll, no pan
tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta, delta, 0, 0);
+ break;
}
- break;
- case REPORT_ID_CONSUMER_CONTROL:
- {
+ case REPORT_ID_CONSUMER_CONTROL: {
// use to avoid send multiple consecutive zero report
static bool has_consumer_key = false;
- if ( btn )
- {
+ if (btn != 0u) {
// volume down
uint16_t volume_down = HID_USAGE_CONSUMER_VOLUME_DECREMENT;
tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &volume_down, 2);
has_consumer_key = true;
- }else
- {
+ } else {
// send empty key report (release key) if previously has key pressed
uint16_t empty_key = 0;
- if (has_consumer_key) tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &empty_key, 2);
+ if (has_consumer_key) {
+ tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &empty_key, 2);
+ }
has_consumer_key = false;
}
+ break;
}
- break;
- case REPORT_ID_GAMEPAD:
- {
+ case REPORT_ID_GAMEPAD: {
// use to avoid send multiple consecutive zero report for keyboard
static bool has_gamepad_key = false;
- hid_gamepad_report_t report =
- {
- .x = 0, .y = 0, .z = 0, .rz = 0, .rx = 0, .ry = 0,
- .hat = 0, .buttons = 0
- };
+ hid_gamepad_report_t report = {.x = 0, .y = 0, .z = 0, .rz = 0, .rx = 0, .ry = 0, .hat = 0, .buttons = 0};
- if ( btn )
- {
- report.hat = GAMEPAD_HAT_UP;
+ if (btn != 0u) {
+ report.hat = GAMEPAD_HAT_UP;
report.buttons = GAMEPAD_BUTTON_A;
tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
has_gamepad_key = true;
- }else
- {
- report.hat = GAMEPAD_HAT_CENTERED;
+ } else {
+ report.hat = GAMEPAD_HAT_CENTERED;
report.buttons = 0;
- if (has_gamepad_key) tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
+ if (has_gamepad_key) {
+ tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
+ }
has_gamepad_key = false;
}
+ break;
}
- break;
- default: break;
- }
-}
-
-/* use this to send stylus touch signal through USB. */
-static void send_stylus_touch(uint16_t x, uint16_t y, bool state)
-{
- // skip if hid is not ready yet
- if ( !tud_hid_ready() ) return;
-
- static bool has_stylus_pen = false;
- hid_stylus_report_t report =
- {
- .attr = 0,
- .x = 0,
- .y = 0
- };
+ case REPORT_ID_STYLUS_PEN: {
+ static bool touch_state = false;
+ hid_stylus_report_t report = {.attr = 0, .x = 0, .y = 0};
- report.x = x;
- report.y = y;
-
- if (state)
- {
- report.attr = STYLUS_ATTR_TIP_SWITCH | STYLUS_ATTR_IN_RANGE;
- tud_hid_report(REPORT_ID_STYLUS_PEN, &report, sizeof(report));
+ if (btn != 0u) {
+ report.attr = STYLUS_ATTR_TIP_SWITCH | STYLUS_ATTR_IN_RANGE;
+ report.x = 100;
+ report.y = 100;
+ tud_hid_report(REPORT_ID_STYLUS_PEN, &report, sizeof(report));
+ touch_state = true;
+ } else {
+ report.attr = 0;
+ if (touch_state) {
+ tud_hid_report(REPORT_ID_STYLUS_PEN, &report, sizeof(report));
+ }
+ touch_state = false;
+ }
+ break;
+ }
- has_stylus_pen = true;
- }else
- {
- report.attr = 0;
- if (has_stylus_pen) tud_hid_report(REPORT_ID_STYLUS_PEN, &report, sizeof(report));
- has_stylus_pen = false;
+ default: break; // unknown report id
}
-
}
// Every 10ms, we will sent 1 report for each HID profile (keyboard, mouse etc ..)
// tud_hid_report_complete_cb() is used to send the next report after previous one is complete
-void hid_task(void)
-{
+void hid_task(void) {
// Poll every 10ms
- const uint32_t interval_ms = 10;
- static uint32_t start_ms = 0;
- static uint32_t touch_ms = 0;
- static bool touch_state = false;
+ const uint32_t interval_ms = 10;
+ static uint32_t start_ms = 0;
- if (board_millis() - touch_ms < 100) {
- touch_ms = board_millis();
- send_stylus_touch(0, 0, touch_state = !touch_state);
- return;
+ if (tusb_time_millis_api() - start_ms < interval_ms) {
+ return; // not enough time
}
-
- if ( board_millis() - start_ms < interval_ms) return; // not enough time
start_ms += interval_ms;
uint32_t const btn = board_button_read();
// Remote wakeup
- if ( tud_suspended() && btn )
- {
+ if (tud_suspended() && btn != 0u) {
// Wake up host if we are in suspend mode
// and REMOTE_WAKEUP feature is enabled by host
tud_remote_wakeup();
- }else
- {
+ } else {
// Send the 1st of report chain, the rest will be sent by tud_hid_report_complete_cb()
send_hid_report(REPORT_ID_KEYBOARD, btn);
}
@@ -269,15 +230,13 @@ void hid_task(void)
// Invoked when sent REPORT successfully to host
// Application can use this to send the next report
// Note: For composite reports, report[0] is report ID
-void tud_hid_report_complete_cb(uint8_t instance, uint8_t const* report, uint16_t len)
-{
- (void) instance;
- (void) len;
+void tud_hid_report_complete_cb(uint8_t instance, uint8_t const *report, uint16_t len) {
+ (void)instance;
+ (void)len;
uint8_t next_report_id = report[0] + 1u;
- if (next_report_id < REPORT_ID_COUNT)
- {
+ if (next_report_id < REPORT_ID_COUNT) {
send_hid_report(next_report_id, board_button_read());
}
}
@@ -285,41 +244,39 @@ void tud_hid_report_complete_cb(uint8_t instance, uint8_t const* report, uint16_
// Invoked when received GET_REPORT control request
// Application must fill buffer report's content and return its length.
// Return zero will cause the stack to STALL request
-uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
-{
+uint16_t tud_hid_get_report_cb(
+ uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t *buffer, uint16_t reqlen) {
// TODO not Implemented
- (void) instance;
- (void) report_id;
- (void) report_type;
- (void) buffer;
- (void) reqlen;
+ (void)instance;
+ (void)report_id;
+ (void)report_type;
+ (void)buffer;
+ (void)reqlen;
return 0;
}
// Invoked when received SET_REPORT control request or
// received data on OUT endpoint ( Report ID = 0, Type = 0 )
-void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)
-{
- (void) instance;
+void tud_hid_set_report_cb(
+ uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const *buffer, uint16_t bufsize) {
+ (void)instance;
- if (report_type == HID_REPORT_TYPE_OUTPUT)
- {
+ if (report_type == HID_REPORT_TYPE_OUTPUT) {
// Set keyboard LED e.g Capslock, Numlock etc...
- if (report_id == REPORT_ID_KEYBOARD)
- {
+ if (report_id == REPORT_ID_KEYBOARD) {
// bufsize should be (at least) 1
- if ( bufsize < 1 ) return;
+ if (bufsize < 1) {
+ return;
+ }
uint8_t const kbd_leds = buffer[0];
- if (kbd_leds & KEYBOARD_LED_CAPSLOCK)
- {
+ if ((kbd_leds & KEYBOARD_LED_CAPSLOCK) != 0u) {
// Capslock On: disable blink, turn led on
blink_interval_ms = 0;
board_led_write(true);
- }else
- {
+ } else {
// Caplocks Off: back to normal blink
board_led_write(false);
blink_interval_ms = BLINK_MOUNTED;
@@ -331,16 +288,19 @@ void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_
//--------------------------------------------------------------------+
// BLINKING TASK
//--------------------------------------------------------------------+
-void led_blinking_task(void)
-{
- static uint32_t start_ms = 0;
- static bool led_state = false;
+void led_blinking_task(void) {
+ static uint32_t start_ms = 0;
+ static bool led_state = false;
// blink is disabled
- if (!blink_interval_ms) return;
+ if (0u == blink_interval_ms) {
+ return;
+ }
// Blink every interval ms
- if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
+ if (tusb_time_millis_api() - start_ms < blink_interval_ms) {
+ return; // not enough time
+ }
start_ms += blink_interval_ms;
board_led_write(led_state);
diff --git a/examples/device/hid_composite/src/tusb_config.h b/examples/device/hid_composite/src/tusb_config.h
index 6bd32c427..895745ed2 100644
--- a/examples/device/hid_composite/src/tusb_config.h
+++ b/examples/device/hid_composite/src/tusb_config.h
@@ -23,8 +23,8 @@
*
*/
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
#ifdef __cplusplus
extern "C" {
@@ -104,4 +104,4 @@
}
#endif
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_composite/src/usb_descriptors.c b/examples/device/hid_composite/src/usb_descriptors.c
index ce7fbd13f..46e4b63f9 100644
--- a/examples/device/hid_composite/src/usb_descriptors.c
+++ b/examples/device/hid_composite/src/usb_descriptors.c
@@ -33,9 +33,9 @@
* 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
@@ -43,7 +43,7 @@
//--------------------------------------------------------------------+
// 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,
@@ -120,10 +120,10 @@ uint8_t const desc_configuration[] =
// Per USB specs: high speed capable device must report device_qualifier and other_speed_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,
@@ -188,7 +188,7 @@ 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
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-18 23:10:30 +0000