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QMK/lib/chibios-contrib/testhal/STM32/STM32F4xx/USB_HOST/main.c

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initial upload
2020-03-23 10:48:11 +01:00
/*
ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "ch.h"
#include "hal.h"
#include "ff.h"
#include <string.h>
#include "usbh/debug.h" /* for _usbh_dbg/_usbh_dbgf */
#define UVC_TO_MSD_PHOTOS_CAPTURE FALSE
#if HAL_USBH_USE_FTDI || HAL_USBH_USE_AOA
static uint8_t buf[] =
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
#endif
#if HAL_USBH_USE_FTDI
#include "usbh/dev/ftdi.h"
#include "shell.h"
#include "chprintf.h"
static THD_WORKING_AREA(waTestFTDI, 1024);
#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
#define TEST_WA_SIZE THD_WORKING_AREA_SIZE(256)
static void cmd_write(BaseSequentialStream *chp, int argc, char *argv[]) {
(void)argv;
if (argc > 0) {
chprintf(chp, "Usage: write\r\n");
return;
}
while (chnGetTimeout((BaseChannel *)chp, TIME_IMMEDIATE) != Q_TIMEOUT) {
//flush
}
while (chnGetTimeout((BaseChannel *)chp, TIME_IMMEDIATE) == Q_TIMEOUT) {
streamWrite(&FTDIPD[0], buf, sizeof buf - 1);
}
chprintf(chp, "\r\n\nstopped\r\n");
}
static const ShellCommand commands[] = {
{"write", cmd_write},
{NULL, NULL}
};
static const ShellConfig shell_cfg1 = {
(BaseSequentialStream *)&FTDIPD[0],
commands
};
static void ThreadTestFTDI(void *p) {
(void)p;
USBHFTDIPortDriver *const ftdipp = &FTDIPD[0];
USBHDriver *host = NULL;
(void)host;
chRegSetThreadName("FTDI");
shellInit();
start:
while (usbhftdipGetState(ftdipp) != USBHFTDIP_STATE_ACTIVE) {
chThdSleepMilliseconds(100);
}
host = usbhftdipGetHost(ftdipp);
_usbh_dbg(host, "FTDI: Connected");
USBHFTDIPortConfig config = {
115200,
USBHFTDI_FRAMING_DATABITS_8 | USBHFTDI_FRAMING_PARITY_NONE | USBHFTDI_FRAMING_STOP_BITS_1,
USBHFTDI_HANDSHAKE_NONE,
0,
0
};
usbhftdipStart(ftdipp, &config);
//loopback
if (0) {
for(;;) {
msg_t m = streamGet(ftdipp);
if (m < MSG_OK) {
_usbh_dbg(host, "FTDI: Disconnected");
goto start;
}
streamPut(ftdipp, (uint8_t)m);
if (m == 'q')
break;
}
}
//shell test
if (1) {
thread_t *shelltp = NULL;
for(;;) {
if (usbhftdipGetState(ftdipp) != USBHFTDIP_STATE_READY)
goto start;
if (!shelltp) {
shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
"shell", NORMALPRIO,
shellThread, (void *)&shell_cfg1);
} else if (chThdTerminatedX(shelltp)) {
chThdRelease(shelltp);
if (usbhftdipGetState(ftdipp) != USBHFTDIP_STATE_READY)
goto start;
break;
}
chThdSleepMilliseconds(100);
}
}
//FTDI uart RX to debug TX bridge
if (0) {
for(;;) {
msg_t m = streamGet(ftdipp);
if (m < MSG_OK) {
_usbh_dbg(host, "FTDI: Disconnected");
goto start;
}
sdPut(&SD2, (uint8_t)m);
if (m == 'q')
break;
}
}
//write speed test
if (1) {
usbhftdipStop(ftdipp);
config.speed = 3000000;
usbhftdipStart(ftdipp, &config);
systime_t st, et;
int i;
for (i = 0; i < 5; i++) {
uint32_t bytes = config.speed / 10;
uint32_t times = bytes / 1024;
st = chVTGetSystemTimeX();
while (times--) {
if (streamWrite(ftdipp, buf, 1024) < 1024) {
_usbh_dbg(host, "FTDI: Disconnected");
goto start;
}
bytes -= 1024;
}
if (bytes) {
if (streamWrite(ftdipp, buf, bytes) < bytes) {
_usbh_dbg(host, "FTDI: Disconnected");
goto start;
}
}
et = chVTGetSystemTimeX();
_usbh_dbgf(host, "\tRate=%uB/s", (config.speed * 100) / (et - st));
}
}
//single character write test (tests the timer)
if (0) {
for (;;) {
if (streamPut(ftdipp, 'A') != MSG_OK) {
_usbh_dbg(host, "FTDI: Disconnected");
goto start;
}
chThdSleepMilliseconds(100);
}
}
usbhftdipStop(ftdipp);
_usbh_dbg(host, "FTDI: Tests done, restarting in 3s");
chThdSleepMilliseconds(3000);
goto start;
}
#endif
#if HAL_USBH_USE_AOA
#include "usbh/dev/aoa.h"
#include "chprintf.h"
static THD_WORKING_AREA(waTestAOA, 1024);
#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
#define TEST_WA_SIZE THD_WORKING_AREA_SIZE(256)
static void ThreadTestAOA(void *p) {
(void)p;
USBHAOADriver *const aoap = &USBHAOAD[0];
USBHAOAChannel *const aoacp = &aoap->channel;
USBHDriver *host = NULL;
(void)host;
chRegSetThreadName("AOA");
start:
while (usbhaoaGetState(aoap) != USBHAOA_STATE_READY) {
chThdSleepMilliseconds(100);
}
host = usbhaoaGetHost(aoap);
_usbh_dbg(host, "AOA: Connected");
if (usbhaoaGetChannelState(aoap) != USBHAOA_CHANNEL_STATE_READY) {
usbhaoaChannelStart(aoap);
_usbh_dbg(host, "AOA: Channel started");
}
//loopback
if (1) {
for(;;) {
msg_t m = streamGet(aoacp);
if (m < MSG_OK) {
_usbh_dbg(host, "AOA: Disconnected");
goto start;
}
streamPut(aoacp, (uint8_t)m);
if (m == 'q')
break;
}
}
#define AOA_WRITE_SPEED_TEST_BYTES 3000000UL
//write speed test
if (1) {
systime_t st, et;
int i;
for (i = 0; i < 5; i++) {
uint32_t bytes = AOA_WRITE_SPEED_TEST_BYTES;
uint32_t times = bytes / 1024;
st = chVTGetSystemTimeX();
while (times--) {
if (streamWrite(aoacp, buf, 1024) < 1024) {
_usbh_dbg(host, "AOA: Disconnected");
goto start;
}
bytes -= 1024;
}
if (bytes) {
if (streamWrite(aoacp, buf, bytes) < bytes) {
_usbh_dbg(host, "AOA: Disconnected");
goto start;
}
}
et = chVTGetSystemTimeX();
_usbh_dbgf(host, "\tRate=%uB/s", AOA_WRITE_SPEED_TEST_BYTES / (et - st) * 100);
}
}
//single character write test (tests the timer)
if (0) {
for (;;) {
if (streamPut(aoacp, 'A') != MSG_OK) {
_usbh_dbg(host, "AOA: Disconnected");
goto start;
}
chThdSleepMilliseconds(100);
}
}
usbhaoaChannelStop(aoap);
_usbh_dbg(host, "AOA: Tests done, restarting in 3s");
chThdSleepMilliseconds(3000);
goto start;
}
#endif
#if HAL_USBH_USE_MSD
#include "usbh/dev/msd.h"
#include "ff.h"
#include "fatfs_devices.h"
static FATFS MSDLUN0FS;
#if !UVC_TO_MSD_PHOTOS_CAPTURE
static uint8_t fbuff[10240];
static FIL file;
static FRESULT scan_files(USBHDriver *host, BaseSequentialStream *chp, char *path) {
FRESULT res;
DIR dir;
UINT i;
static FILINFO fno;
res = f_opendir(&dir, path);
if (res == FR_OK) {
for (;;) {
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
break;
if (fno.fattrib & AM_DIR) {
i = strlen(path);
path[i++] = '/';
strcpy(&path[i], fno.fname);
res = scan_files(host, chp, path);
if (res != FR_OK)
break;
path[--i] = 0;
} else {
_usbh_dbgf(host, "FS: %s/%s", path, fno.fname);
}
}
}
return res;
}
#endif
static THD_WORKING_AREA(waTestMSD, 1300);
static void ThreadTestMSD(void *p) {
(void)p;
FATFS *fsp;
DWORD clusters;
FRESULT res;
USBHDriver *host = NULL;
chRegSetThreadName("MSD");
#if !UVC_TO_MSD_PHOTOS_CAPTURE
BaseSequentialStream * const chp = (BaseSequentialStream *)&SD2;
systime_t st, et;
uint32_t j;
#endif
start:
for(;;) {
chThdSleepMilliseconds(100);
if (blkGetDriverState(&MSBLKD[0]) == BLK_ACTIVE) {
host = usbhmsdLUNGetHost(&MSBLKD[0]);
_usbh_dbg(host, "BLK: Active, connect....");
usbhmsdLUNConnect(&MSBLKD[0]);
}
if (blkGetDriverState(&MSBLKD[0]) != BLK_READY) {
continue;
}
_usbh_dbg(host, "BLK: Ready.");
#if !UVC_TO_MSD_PHOTOS_CAPTURE
//raw read test
if (1) {
#define RAW_READ_SZ_MB 1
#define NBLOCKS (sizeof(fbuff) / 512)
#define NITERATIONS ((RAW_READ_SZ_MB * 1024UL * 1024UL) / sizeof(fbuff))
uint32_t start = 0;
chThdSetPriority(HIGHPRIO);
_usbh_dbgf(host, "BLK: Raw read test (%dMB, %dB blocks)", RAW_READ_SZ_MB, sizeof(fbuff));
st = chVTGetSystemTime();
for (j = 0; j < NITERATIONS; j++) {
if (blkRead(&MSBLKD[0], start, fbuff, NBLOCKS) != HAL_SUCCESS)
goto start;
start += NBLOCKS;
}
et = chVTGetSystemTime();
_usbh_dbgf(host, "BLK: Raw read in %d ms, %dkB/s",
et - st,
(RAW_READ_SZ_MB * 1024UL * 1000) / (et - st));
chThdSetPriority(NORMALPRIO);
}
#endif
_usbh_dbg(host, "FS: Block driver ready, try mount...");
res = f_mount(&MSDLUN0FS, FATFSDEV_MSD_DRIVE, 1);
if (res != FR_OK) {
_usbh_dbg(host, "FS: Can't mount. Check file system.");
continue;
}
_usbh_dbg(host, "FS: Mounted.");
res = f_getfree(FATFSDEV_MSD_DRIVE, &clusters, &fsp);
if (res != FR_OK) {
_usbh_dbg(host, "FS: f_getfree() failed");
continue;
}
_usbh_dbgf(host, "FS: %lu free clusters, %lu sectors per cluster, %lu bytes free",
clusters, (uint32_t)MSDLUN0FS.csize,
clusters * (uint32_t)MSDLUN0FS.csize * MSBLKD[0].info.blk_size);
break;
}
#if !UVC_TO_MSD_PHOTOS_CAPTURE
//FATFS test
if (1) {
UINT bw;
const uint8_t *src;
const uint8_t *const start = (uint8_t *)0x08000000;
const uint8_t *const top = (uint8_t *)0x08020000;
//write test
if (1) {
_usbh_dbg(host, "FS: Write test (create file /test.dat, 1MB)");
f_open(&file, FATFSDEV_MSD_DRIVE "/test.dat", FA_CREATE_ALWAYS | FA_WRITE);
src = start;
st = chVTGetSystemTime();
for (j = 0; j < 2048; j++) {
if (f_write(&file, src, 512, &bw) != FR_OK)
goto start;
src += bw;
if (src >= top)
src = start;
}
et = chVTGetSystemTime();
_usbh_dbgf(host, "FS: Written 1MB in %d ms, %dkB/s",
et - st,
(1024UL*1000) / (et - st));
f_close(&file);
}
//read test
if (1) {
_usbh_dbg(host, "FS: Read test (read file /test.dat, 1MB, compare)");
f_open(&file, FATFSDEV_MSD_DRIVE "/test.dat", FA_READ);
src = start;
st = chVTGetSystemTime();
for (j = 0; j < 2048; j++) {
if (f_read(&file, fbuff, 512, &bw) != FR_OK)
goto start;
if (memcmp(src, fbuff, bw)) {
_usbh_dbgf(host, "Compare error @%08x", (uint32_t)src);
goto start;
}
src += bw;
if (src >= top)
src = start;
}
et = chVTGetSystemTime();
_usbh_dbgf(host, "FS: Read 1MB in %d ms, %dkB/s",
et - st,
(1024UL*1000) / (et - st));
f_close(&file);
}
//scan files test
if (1) {
_usbh_dbg(host, "FS: Scan files test");
strcpy((char *)fbuff, FATFSDEV_MSD_DRIVE);
scan_files(host, chp, (char *)fbuff);
}
}
#endif
_usbh_dbg(host, "FS: Tests done, restarting in 3s");
chThdSleepMilliseconds(3000);
goto start;
}
#endif
#if HAL_USBH_USE_HID
#include "usbh/dev/hid.h"
#include "chprintf.h"
static THD_WORKING_AREA(waTestHID, 1024);
static void _hid_report_callback(USBHHIDDriver *hidp, uint16_t len) {
uint8_t *report = (uint8_t *)hidp->config->report_buffer;
if (hidp->type == USBHHID_DEVTYPE_BOOT_MOUSE) {
_usbh_dbgf(hidp->dev->host, "Mouse report: buttons=%02x, Dx=%d, Dy=%d",
report[0],
(int8_t)report[1],
(int8_t)report[2]);
} else if (hidp->type == USBHHID_DEVTYPE_BOOT_KEYBOARD) {
_usbh_dbgf(hidp->dev->host, "Keyboard report: modifier=%02x, keys=%02x %02x %02x %02x %02x %02x",
report[0],
report[2],
report[3],
report[4],
report[5],
report[6],
report[7]);
} else {
_usbh_dbgf(hidp->dev->host, "Generic report, %d bytes", len);
}
}
static USBH_DEFINE_BUFFER(uint8_t report[HAL_USBHHID_MAX_INSTANCES][8]);
static USBHHIDConfig hidcfg[HAL_USBHHID_MAX_INSTANCES];
static void ThreadTestHID(void *p) {
(void)p;
uint8_t i;
static uint8_t kbd_led_states[HAL_USBHHID_MAX_INSTANCES];
chRegSetThreadName("HID");
for (i = 0; i < HAL_USBHHID_MAX_INSTANCES; i++) {
hidcfg[i].cb_report = _hid_report_callback;
hidcfg[i].protocol = USBHHID_PROTOCOL_BOOT;
hidcfg[i].report_buffer = report[i];
hidcfg[i].report_len = 8;
}
for (;;) {
for (i = 0; i < HAL_USBHHID_MAX_INSTANCES; i++) {
USBHHIDDriver *const hidp = &USBHHIDD[i];
if (usbhhidGetState(hidp) == USBHHID_STATE_ACTIVE) {
_usbh_dbgf(hidp->dev->host, "HID: Connected, HID%d", i);
usbhhidStart(hidp, &hidcfg[i]);
if (usbhhidGetType(hidp) != USBHHID_DEVTYPE_GENERIC) {
usbhhidSetIdle(hidp, 0, 0);
}
kbd_led_states[i] = 1;
} else if (usbhhidGetState(hidp) == USBHHID_STATE_READY) {
if (usbhhidGetType(hidp) == USBHHID_DEVTYPE_BOOT_KEYBOARD) {
USBH_DEFINE_BUFFER(uint8_t val);
val = kbd_led_states[i] << 1;
if (val == 0x08) {
val = 1;
}
usbhhidSetReport(hidp, 0, USBHHID_REPORTTYPE_OUTPUT, &val, 1);
kbd_led_states[i] = val;
}
}
}
chThdSleepMilliseconds(200);
}
}
#endif
#if HAL_USBH_USE_UVC
#include "usbh/dev/uvc.h"
static THD_WORKING_AREA(waTestUVC, 1024);
#if UVC_TO_MSD_PHOTOS_CAPTURE
static const uint8_t jpeg_header_plus_dht[] = {
0xff, 0xd8, // SOI
0xff, 0xe0, // APP0
0x00, 0x10, // APP0 header size (including this field, but excluding preceding)
0x4a, 0x46, 0x49, 0x46, 0x00, // ID string 'JFIF\0'
0x01, 0x01, // version
0x00, // bits per type
0x00, 0x00, // X density
0x00, 0x00, // Y density
0x00, // X thumbnail size
0x00, // Y thumbnail size
0xFF, 0xC4, 0x01, 0xA2, 0x00,
0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 ,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x0a, 0x0b, 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
0x10,
0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d,
0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
0xf9, 0xfa,
0x11,
0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77,
0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
0xf9, 0xfa
};
#endif
static void ThreadTestUVC(void *p) {
(void)p;
USBHUVCDriver *const uvcdp = &USBHUVCD[0];
chRegSetThreadName("UVC");
for(;;) {
chThdSleepMilliseconds(100);
//chSysLock();
//state = usbhuvcGetDriverState(&USBHUVCD[0]);
//chSysUnlock();
if (usbhuvcGetState(&USBHUVCD[0]) != USBHUVC_STATE_ACTIVE)
continue;
_usbh_dbg(uvcdp->dev->host, "UVC: Webcam connected");
/* ************************************ */
/* Find best configuration */
/* ************************************ */
_usbh_dbg(uvcdp->dev->host, "UVC: Find best configuration");
generic_iterator_t ics;
const usbh_uvc_format_mjpeg_t *format;
uint32_t max_frame_sz = 0;
uint16_t min_ep_sz;
uint8_t best_frame_interval_index;
const usbh_uvc_frame_mjpeg_t *best_frame = NULL;
//find format MJPEG
if (usbhuvcFindVSDescriptor(uvcdp, &ics, UVC_VS_FORMAT_MJPEG, TRUE) != HAL_SUCCESS)
goto failed;
format = (const usbh_uvc_format_mjpeg_t *)ics.curr;
_usbh_dbgf(uvcdp->dev->host, "\tSelect bFormatIndex=%d", format->bFormatIndex);
//find the most suitable frame (largest one within the bandwidth requirements)
if (usbhuvcFindVSDescriptor(uvcdp, &ics, UVC_VS_FRAME_MJPEG, TRUE) != HAL_SUCCESS)
goto failed;
do {
const usbh_uvc_frame_mjpeg_t *const frame = (usbh_uvc_frame_mjpeg_t *)ics.curr;
uint32_t frame_sz = frame->wWidth * frame->wHeight;
_usbh_dbgf(uvcdp->dev->host, "\t\tbFrameIndex=%d", frame->bFrameIndex);
_usbh_dbgf(uvcdp->dev->host, "\t\t\twWidth=%d, wHeight=%d", frame->wWidth, frame->wHeight);
_usbh_dbgf(uvcdp->dev->host, "\t\t\tdwMinBitRate=%u, dwMaxBitRate=%u", frame->dwMinBitRate, frame->dwMaxBitRate);
_usbh_dbgf(uvcdp->dev->host, "\t\t\tdwMaxVideoFrameBufferSize=%u", frame->dwMaxVideoFrameBufferSize);
_usbh_dbgf(uvcdp->dev->host, "\t\t\tdwDefaultFrameInterval=%u", frame->dwDefaultFrameInterval);
uint8_t j;
for (j = 0; j < frame->bFrameIntervalType; j++) {
uint32_t ep_sz =
usbhuvcEstimateRequiredEPSize(uvcdp, (const uint8_t *)format, (const uint8_t *)frame, frame->dwFrameInterval[j]);
_usbh_dbgf(uvcdp->dev->host, "\t\t\tdwFrameInterval=%u, estimated EP size=%u", frame->dwFrameInterval[j], ep_sz);
if (ep_sz > 310)
continue;
/* candidate found */
if (frame_sz >= max_frame_sz) {
/* new best frame size */
min_ep_sz = 0xffff;
max_frame_sz = frame_sz;
} else {
continue;
}
if (ep_sz < min_ep_sz) {
/* new best bitrate */
min_ep_sz = ep_sz;
_usbh_dbg(uvcdp->dev->host, "\t\t\tNew best candidate found");
best_frame_interval_index = j;
best_frame = frame;
}
}
} while (usbhuvcFindVSDescriptor(uvcdp, &ics, UVC_VS_FRAME_MJPEG, FALSE) == HAL_SUCCESS);
failed:
if (best_frame == NULL) {
_usbh_dbg(uvcdp->dev->host, "\t\t\tCouldn't find suitable format/frame");
continue;
}
/* ************************************ */
/* NEGOTIATION */
/* ************************************ */
_usbh_dbg(uvcdp->dev->host, "UVC: Start negotiation");
usbhuvcResetPC(uvcdp);
usbh_uvc_ctrl_vs_probecommit_data_t *const pc = usbhuvcGetPC(uvcdp);
pc->bmHint = 0x0001;
pc->bFormatIndex = format->bFormatIndex;
pc->bFrameIndex = best_frame->bFrameIndex;
pc->dwFrameInterval = best_frame->dwFrameInterval[best_frame_interval_index];
_usbh_dbgf(uvcdp->dev->host, "\tFirst probe, selecting bFormatIndex=%d, bFrameIndex=%d, dwFrameInterval=%u",
pc->bFormatIndex, pc->bFrameIndex, pc->dwFrameInterval);
_usbh_dbg(uvcdp->dev->host, "SET_CUR (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc);
if (usbhuvcProbe(uvcdp) != HAL_SUCCESS) {
_usbh_dbg(uvcdp->dev->host, "\tFirst probe failed");
continue;
}
_usbh_dbg(uvcdp->dev->host, "GET_CUR (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc);
_usbh_dbg(uvcdp->dev->host, "GET_MIN (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc_min);
_usbh_dbg(uvcdp->dev->host, "GET_MAX (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc_max);
pc->bmHint = 0x0001;
pc->wCompQuality = uvcdp->pc_min.wCompQuality;
_usbh_dbg(uvcdp->dev->host, "SET_CUR (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc);
_usbh_dbgf(uvcdp->dev->host, "\tSecond probe, selecting wCompQuality=%d", pc->wCompQuality);
if (usbhuvcProbe(uvcdp) != HAL_SUCCESS) {
_usbh_dbg(uvcdp->dev->host, "\tSecond probe failed");
continue;
}
_usbh_dbg(uvcdp->dev->host, "GET_CUR (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc);
_usbh_dbg(uvcdp->dev->host, "GET_MIN (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc_min);
_usbh_dbg(uvcdp->dev->host, "GET_MAX (PROBE):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc_max);
/* ************************************ */
/* Commit negotiated parameters */
/* ************************************ */
_usbh_dbg(uvcdp->dev->host, "UVC: Commit negotiated parameters");
_usbh_dbg(uvcdp->dev->host, "SET_CUR (COMMIT):"); usbhuvcPrintProbeCommit(uvcdp, &uvcdp->pc);
if (usbhuvcCommit(uvcdp) != HAL_SUCCESS) {
_usbh_dbg(uvcdp->dev->host, "\tCommit failed");
continue;
}
_usbh_dbg(uvcdp->dev->host, "UVC: Ready to start streaming");
uint32_t npackets = 0;
uint32_t payload = 0;
uint32_t total = 0;
uint32_t frame = 0;
systime_t last = 0;
usbhuvcStreamStart(uvcdp, 310);
uint8_t state = 0;
static FIL fp;
for (;;) {
msg_t msg, ret;
ret = usbhuvcLockAndFetch(uvcdp, &msg, TIME_INFINITE);
if (ret == MSG_RESET) {
_usbh_dbg(uvcdp->dev->host, "UVC: Driver is unloading");
break;
} else if (ret == MSG_TIMEOUT) {
continue;
}
if (((usbhuvc_message_base_t *)msg)->type == USBHUVC_MESSAGETYPE_DATA) {
usbhuvc_message_data_t *const data = (usbhuvc_message_data_t *)msg;
if (data->length < data->data[0]) {
_usbh_dbgf(uvcdp->dev->host, "UVC: Length error!");
goto free_data;
}
uint32_t message_payload = data->length - data->data[0];
total += data->length;
payload += message_payload;
npackets++;
#if UVC_TO_MSD_PHOTOS_CAPTURE
char fn[20];
UINT bw;
bool with_dht = true;
uint8_t *message_data = data->data + data->data[0];
if (frame & 7) goto check_eof;
if (state == 1) {
if (message_payload < 12) goto check_eof;
if (strncmp("AVI1", (const char *)message_data + 6, 4)) {
with_dht = false;
} else {
uint16_t skip = (message_data[4] << 8) + message_data[5] + 4;
if (skip > message_payload) goto check_eof;
message_data += skip;
message_payload -= skip;
}
chsnprintf(fn, sizeof(fn), "/img%d.jpg", frame);
if (f_open(&fp, fn, FA_CREATE_ALWAYS | FA_WRITE) == FR_OK) {
if (with_dht && f_write(&fp, jpeg_header_plus_dht, sizeof(jpeg_header_plus_dht), &bw) != FR_OK) {
_usbh_dbg(uvcdp->dev->host, "UVC->MSD: File write error");
f_close(&fp);
state = 0;
}
state = 2;
} else {
_usbh_dbg(uvcdp->dev->host, "UVC->MSD: File open error");
state = 0;
}
}
if (state == 2) {
if (f_write(&fp, message_data, message_payload, &bw) != FR_OK) {
_usbh_dbg(uvcdp->dev->host, "UVC->MSD: File write error");
f_close(&fp);
state = 0;
}
}
check_eof:
#endif
if (data->data[1] & UVC_HDR_EOF) {
_usbh_dbgf(uvcdp->dev->host, "UVC: FRAME #%d, delta=%03dticks, #packets=%d, useful_payload=%dbytes, total=%dbytes",
frame, data->timestamp - last , npackets, payload, total);
last = data->timestamp;
npackets = 0;
payload = 0;
total = 0;
frame++;
if (state == 2) {
f_close(&fp);
}
state = 1;
}
free_data:
usbhuvcFreeDataMessage(uvcdp, data);
} else {
usbhuvc_message_status_t *const status = (usbhuvc_message_status_t *)msg;
const uint8_t *const stat = status->data;
switch (stat[0] & 0x0f) {
case 1:
_usbh_dbgf(uvcdp->dev->host, "UVC: STATUS Control event, "
"bOriginator=%d, bEvent=%d, bSelector=%d, bAttribute=%d",
stat[1], stat[2], stat[3], stat[4]);
break;
case 2:
_usbh_dbgf(uvcdp->dev->host, "UVC: STATUS Streaming event, "
"bOriginator=%d, bEvent=%d, bValue=%d",
stat[1], stat[2], stat[3]);
break;
default:
_usbh_dbgf(uvcdp->dev->host, "UVC: STATUS unknown status report = %d", stat[0]);
break;
}
usbhuvcFreeStatusMessage(uvcdp, status);
}
usbhuvcUnlock(uvcdp);
}
}
}
#endif
#if USBH_DEBUG_MULTI_HOST
void USBH_DEBUG_OUTPUT_CALLBACK(USBHDriver *host, const uint8_t *buff, size_t len) {
(void)host;
#else
void USBH_DEBUG_OUTPUT_CALLBACK(const uint8_t *buff, size_t len) {
#endif
sdWrite(&SD2, buff, len);
sdWrite(&SD2, (const uint8_t *)"\r\n", 2);
}
int main(void) {
IWDG->KR = 0x5555;
IWDG->PR = 7;
halInit();
chSysInit();
//PA2(TX) and PA3(RX) are routed to USART2
sdStart(&SD2, NULL);
palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
#if STM32_USBH_USE_OTG1
//VBUS - configured in board.h
//USB_FS - configured in board.h
#endif
#if STM32_USBH_USE_OTG2
#error "TODO: Initialize USB_HS pads"
#endif
#if HAL_USBH_USE_MSD
chThdCreateStatic(waTestMSD, sizeof(waTestMSD), NORMALPRIO, ThreadTestMSD, 0);
#endif
#if HAL_USBH_USE_FTDI
chThdCreateStatic(waTestFTDI, sizeof(waTestFTDI), NORMALPRIO, ThreadTestFTDI, 0);
#endif
#if HAL_USBH_USE_AOA
chThdCreateStatic(waTestAOA, sizeof(waTestAOA), NORMALPRIO, ThreadTestAOA, 0);
#endif
#if HAL_USBH_USE_HID
chThdCreateStatic(waTestHID, sizeof(waTestHID), NORMALPRIO, ThreadTestHID, 0);
#endif
#if HAL_USBH_USE_UVC
chThdCreateStatic(waTestUVC, sizeof(waTestUVC), NORMALPRIO + 1, ThreadTestUVC, 0);
#endif
//turn on USB power
palClearPad(GPIOC, GPIOC_OTG_FS_POWER_ON);
chThdSleepMilliseconds(100);
//start
#if STM32_USBH_USE_OTG1
usbhStart(&USBHD1);
_usbh_dbgf(&USBHD1, "Started");
#endif
#if STM32_USBH_USE_OTG2
usbhStart(&USBHD2);
_usbh_dbgf(&USBHD2, "Started");
#endif
for(;;) {
#if STM32_USBH_USE_OTG1
usbhMainLoop(&USBHD1);
#endif
#if STM32_USBH_USE_OTG2
usbhMainLoop(&USBHD2);
#endif
chThdSleepMilliseconds(100);
IWDG->KR = 0xAAAA;
}
}
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