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add host/device_info example

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This commit is contained in:
hathach
2024-06-18 12:52:32 +07:00
parent 007a8bd46d
commit f93eb40b1d
11 changed files with 479 additions and 128 deletions
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107
examples/dual/host_hid_to_device_cdc/src/main.c
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@@ -55,14 +55,14 @@ const uint8_t colemak[128] = {
};
#endif
static uint8_t const keycode2ascii[128][2] = { HID_KEYCODE_TO_ASCII };
static uint8_t const keycode2ascii[128][2] = {HID_KEYCODE_TO_ASCII};
/* Blink pattern
* - 250 ms : device not mounted
* - 1000 ms : device mounted
* - 2500 ms : device is suspended
*/
enum {
enum {
BLINK_NOT_MOUNTED = 250,
BLINK_MOUNTED = 1000,
BLINK_SUSPENDED = 2500,
@@ -73,8 +73,7 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
void led_blinking_task(void);
/*------------- MAIN -------------*/
int main(void)
{
int main(void) {
board_init();
printf("TinyUSB Host HID <-> Device CDC Example\r\n");
@@ -87,8 +86,7 @@ int main(void)
board_init_after_tusb();
}
while (1)
{
while (1) {
tud_task(); // tinyusb device task
tuh_task(); // tinyusb host task
led_blinking_task();
@@ -102,35 +100,30 @@ 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 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;
}
// Invoked when CDC interface received data from host
void tud_cdc_rx_cb(uint8_t itf)
{
void tud_cdc_rx_cb(uint8_t itf) {
(void) itf;
char buf[64];
@@ -149,38 +142,36 @@ void tud_cdc_rx_cb(uint8_t itf)
// can be used to parse common/simple enough descriptor.
// Note: if report descriptor length > CFG_TUH_ENUMERATION_BUFSIZE, it will be skipped
// therefore report_desc = NULL, desc_len = 0
void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_report, uint16_t desc_len)
{
(void)desc_report;
(void)desc_len;
void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_report, uint16_t desc_len) {
(void) desc_report;
(void) desc_len;
// Interface protocol (hid_interface_protocol_enum_t)
const char* protocol_str[] = { "None", "Keyboard", "Mouse" };
const char* protocol_str[] = {"None", "Keyboard", "Mouse"};
uint8_t const itf_protocol = tuh_hid_interface_protocol(dev_addr, instance);
uint16_t vid, pid;
tuh_vid_pid_get(dev_addr, &vid, &pid);
char tempbuf[256];
int count = sprintf(tempbuf, "[%04x:%04x][%u] HID Interface%u, Protocol = %s\r\n", vid, pid, dev_addr, instance, protocol_str[itf_protocol]);
int count = sprintf(
tempbuf, "[%04x:%04x][%u] HID Interface%u, Protocol = %s\r\n", vid, pid, dev_addr, instance,
protocol_str[itf_protocol]);
tud_cdc_write(tempbuf, (uint32_t) count);
tud_cdc_write_flush();
// Receive report from boot keyboard & mouse only
// tuh_hid_report_received_cb() will be invoked when report is available
if (itf_protocol == HID_ITF_PROTOCOL_KEYBOARD || itf_protocol == HID_ITF_PROTOCOL_MOUSE)
{
if ( !tuh_hid_receive_report(dev_addr, instance) )
{
if (itf_protocol == HID_ITF_PROTOCOL_KEYBOARD || itf_protocol == HID_ITF_PROTOCOL_MOUSE) {
if (!tuh_hid_receive_report(dev_addr, instance)) {
tud_cdc_write_str("Error: cannot request report\r\n");
}
}
}
// Invoked when device with hid interface is un-mounted
void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance)
{
void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance) {
char tempbuf[256];
int count = sprintf(tempbuf, "[%u] HID Interface%u is unmounted\r\n", dev_addr, instance);
tud_cdc_write(tempbuf, (uint32_t) count);
@@ -188,11 +179,9 @@ void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance)
}
// look up new key in previous keys
static inline bool find_key_in_report(hid_keyboard_report_t const *report, uint8_t keycode)
{
for(uint8_t i=0; i<6; i++)
{
if (report->keycode[i] == keycode) return true;
static inline bool find_key_in_report(hid_keyboard_report_t const* report, uint8_t keycode) {
for (uint8_t i = 0; i < 6; i++) {
if (report->keycode[i] == keycode) return true;
}
return false;
@@ -200,22 +189,17 @@ static inline bool find_key_in_report(hid_keyboard_report_t const *report, uint8
// convert hid keycode to ascii and print via usb device CDC (ignore non-printable)
static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const *report)
{
static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const* report) {
(void) dev_addr;
static hid_keyboard_report_t prev_report = { 0, 0, {0} }; // previous report to check key released
static hid_keyboard_report_t prev_report = {0, 0, {0}}; // previous report to check key released
bool flush = false;
for(uint8_t i=0; i<6; i++)
{
for (uint8_t i = 0; i < 6; i++) {
uint8_t keycode = report->keycode[i];
if ( keycode )
{
if ( find_key_in_report(&prev_report, keycode) )
{
if (keycode) {
if (find_key_in_report(&prev_report, keycode)) {
// exist in previous report means the current key is holding
}else
{
} else {
// not existed in previous report means the current key is pressed
// remap the key code for Colemak layout
@@ -227,8 +211,7 @@ static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const *re
bool const is_shift = report->modifier & (KEYBOARD_MODIFIER_LEFTSHIFT | KEYBOARD_MODIFIER_RIGHTSHIFT);
uint8_t ch = keycode2ascii[keycode][is_shift ? 1 : 0];
if (ch)
{
if (ch) {
if (ch == '\n') tud_cdc_write("\r", 1);
tud_cdc_write(&ch, 1);
flush = true;
@@ -244,13 +227,12 @@ static void process_kbd_report(uint8_t dev_addr, hid_keyboard_report_t const *re
}
// send mouse report to usb device CDC
static void process_mouse_report(uint8_t dev_addr, hid_mouse_report_t const * report)
{
static void process_mouse_report(uint8_t dev_addr, hid_mouse_report_t const* report) {
//------------- button state -------------//
//uint8_t button_changed_mask = report->buttons ^ prev_report.buttons;
char l = report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-';
char l = report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-';
char m = report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-';
char r = report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-';
char r = report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-';
char tempbuf[32];
int count = sprintf(tempbuf, "[%u] %c%c%c %d %d %d\r\n", dev_addr, l, m, r, report->x, report->y, report->wheel);
@@ -260,27 +242,25 @@ static void process_mouse_report(uint8_t dev_addr, hid_mouse_report_t const * re
}
// Invoked when received report from device via interrupt endpoint
void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len)
{
void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len) {
(void) len;
uint8_t const itf_protocol = tuh_hid_interface_protocol(dev_addr, instance);
switch(itf_protocol)
{
switch (itf_protocol) {
case HID_ITF_PROTOCOL_KEYBOARD:
process_kbd_report(dev_addr, (hid_keyboard_report_t const*) report );
break;
process_kbd_report(dev_addr, (hid_keyboard_report_t const*) report);
break;
case HID_ITF_PROTOCOL_MOUSE:
process_mouse_report(dev_addr, (hid_mouse_report_t const*) report );
break;
process_mouse_report(dev_addr, (hid_mouse_report_t const*) report);
break;
default: break;
default:
break;
}
// continue to request to receive report
if ( !tuh_hid_receive_report(dev_addr, instance) )
{
if (!tuh_hid_receive_report(dev_addr, instance)) {
tud_cdc_write_str("Error: cannot request report\r\n");
}
}
@@ -288,13 +268,12 @@ void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t cons
//--------------------------------------------------------------------+
// Blinking Task
//--------------------------------------------------------------------+
void led_blinking_task(void)
{
void led_blinking_task(void) {
static uint32_t start_ms = 0;
static bool led_state = false;
// Blink every interval ms
if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
if (board_millis() - start_ms < blink_interval_ms) return; // not enough time
start_ms += blink_interval_ms;
board_led_write(led_state);