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Merge branch 'master' of https://github.com/YixingShen/tinyusb

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This commit is contained in:
YixingShen
2024-01-26 09:09:44 +08:00
parent 4c9f462423 b713493436
commit 2f2d2bcf3e
51 changed files with 1932 additions and 1273 deletions
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101
examples/device/video_capture/src/main.c
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@@ -40,7 +40,7 @@
* - 1000 ms : device mounted
* - 2500 ms : device is suspended
*/
enum {
enum {
BLINK_NOT_MOUNTED = 250,
BLINK_MOUNTED = 1000,
BLINK_SUSPENDED = 2500,
@@ -52,8 +52,7 @@ void led_blinking_task(void);
void video_task(void);
/*------------- MAIN -------------*/
int main(void)
{
int main(void) {
board_init();
// init device stack on configured roothub port
@@ -63,8 +62,7 @@ int main(void)
board_init_after_tusb();
}
while (1)
{
while (1) {
tud_task(); // tinyusb device task
led_blinking_task();
@@ -77,33 +75,28 @@ 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;
}
//--------------------------------------------------------------------+
// USB Video
//--------------------------------------------------------------------+
@@ -111,11 +104,12 @@ static unsigned frame_num = 0;
static unsigned tx_busy = 0;
static unsigned interval_ms = 1000 / FRAME_RATE;
/* YUY2 frame buffer */
#ifdef CFG_EXAMPLE_VIDEO_READONLY
// For mcus that does not have enough SRAM for frame buffer, we use fixed frame data.
// To further reduce the size, we use MJPEG format instead of YUY2.
#include "images.h"
# if !defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
#if !defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
static struct {
uint32_t size;
uint8_t const *buffer;
@@ -129,29 +123,30 @@ static struct {
{color_bar_6_jpg_len, color_bar_6_jpg},
{color_bar_7_jpg_len, color_bar_7_jpg},
};
# endif
#endif
#else
// YUY2 frame buffer
static uint8_t frame_buffer[FRAME_WIDTH * FRAME_HEIGHT * 16 / 8];
static void fill_color_bar(uint8_t *buffer, unsigned start_position)
{
/* EBU color bars
* See also https://stackoverflow.com/questions/6939422 */
static void fill_color_bar(uint8_t* buffer, unsigned start_position) {
/* EBU color bars: https://stackoverflow.com/questions/6939422 */
static uint8_t const bar_color[8][4] = {
/* Y, U, Y, V */
{ 235, 128, 235, 128}, /* 100% White */
{ 219, 16, 219, 138}, /* Yellow */
{ 188, 154, 188, 16}, /* Cyan */
{ 173, 42, 173, 26}, /* Green */
{ 78, 214, 78, 230}, /* Magenta */
{ 63, 102, 63, 240}, /* Red */
{ 32, 240, 32, 118}, /* Blue */
{ 16, 128, 16, 128}, /* Black */
/* Y, U, Y, V */
{ 235, 128, 235, 128}, /* 100% White */
{ 219, 16, 219, 138}, /* Yellow */
{ 188, 154, 188, 16}, /* Cyan */
{ 173, 42, 173, 26}, /* Green */
{ 78, 214, 78, 230}, /* Magenta */
{ 63, 102, 63, 240}, /* Red */
{ 32, 240, 32, 118}, /* Blue */
{ 16, 128, 16, 128}, /* Black */
};
uint8_t *p;
uint8_t* p;
/* Generate the 1st line */
uint8_t *end = &buffer[FRAME_WIDTH * 2];
uint8_t* end = &buffer[FRAME_WIDTH * 2];
unsigned idx = (FRAME_WIDTH / 2 - 1) - (start_position % (FRAME_WIDTH / 2));
p = &buffer[idx * 4];
for (unsigned i = 0; i < 8; ++i) {
@@ -163,6 +158,7 @@ static void fill_color_bar(uint8_t *buffer, unsigned start_position)
}
}
}
/* Duplicate the 1st line to the others */
p = &buffer[FRAME_WIDTH * 2];
for (unsigned i = 1; i < FRAME_HEIGHT; ++i) {
@@ -170,16 +166,16 @@ static void fill_color_bar(uint8_t *buffer, unsigned start_position)
p += FRAME_WIDTH * 2;
}
}
#endif
void video_task(void)
{
void video_task(void) {
static unsigned start_ms = 0;
static unsigned already_sent = 0;
if (!tud_video_n_streaming(0, 0)) {
already_sent = 0;
frame_num = 0;
already_sent = 0;
frame_num = 0;
return;
}
@@ -188,15 +184,15 @@ void video_task(void)
tx_busy = 1;
start_ms = board_millis();
#ifdef CFG_EXAMPLE_VIDEO_READONLY
# if defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
#if defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
tud_video_n_frame_xfer(0, 0, (void*)(uintptr_t)&frame_buffer[(frame_num % (FRAME_WIDTH / 2)) * 4],
FRAME_WIDTH * FRAME_HEIGHT * 16/8);
# else
#else
tud_video_n_frame_xfer(0, 0, (void*)(uintptr_t)frames[frame_num % 8].buffer, frames[frame_num % 8].size);
# endif
#endif
#else
fill_color_bar(frame_buffer, frame_num);
tud_video_n_frame_xfer(0, 0, (void*)frame_buffer, FRAME_WIDTH * FRAME_HEIGHT * 16/8);
tud_video_n_frame_xfer(0, 0, (void*) frame_buffer, FRAME_WIDTH * FRAME_HEIGHT * 16 / 8);
#endif
}
@@ -207,30 +203,30 @@ void video_task(void)
tx_busy = 1;
#ifdef CFG_EXAMPLE_VIDEO_READONLY
# if defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
#if defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG)
tud_video_n_frame_xfer(0, 0, (void*)(uintptr_t)&frame_buffer[(frame_num % (FRAME_WIDTH / 2)) * 4],
FRAME_WIDTH * FRAME_HEIGHT * 16/8);
# else
#else
tud_video_n_frame_xfer(0, 0, (void*)(uintptr_t)frames[frame_num % 8].buffer, frames[frame_num % 8].size);
# endif
#endif
#else
fill_color_bar(frame_buffer, frame_num);
tud_video_n_frame_xfer(0, 0, (void*)frame_buffer, FRAME_WIDTH * FRAME_HEIGHT * 16/8);
tud_video_n_frame_xfer(0, 0, (void*) frame_buffer, FRAME_WIDTH * FRAME_HEIGHT * 16 / 8);
#endif
}
void tud_video_frame_xfer_complete_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx)
{
(void)ctl_idx; (void)stm_idx;
void tud_video_frame_xfer_complete_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx) {
(void) ctl_idx;
(void) stm_idx;
tx_busy = 0;
/* flip buffer */
++frame_num;
}
int tud_video_commit_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx,
video_probe_and_commit_control_t const *parameters)
{
(void)ctl_idx; (void)stm_idx;
video_probe_and_commit_control_t const* parameters) {
(void) ctl_idx;
(void) stm_idx;
/* convert unit to ms from 100 ns */
interval_ms = parameters->dwFrameInterval / 10000;
return VIDEO_ERROR_NONE;
@@ -239,13 +235,12 @@ int tud_video_commit_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx,
//--------------------------------------------------------------------+
// 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);