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[DO NOT MERGE] Example of USB + DVI HSTX #499

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58f904d
Allow running at multiples of 12MHz
jepler Feb 21, 2025
82ec027
device info sketch displays to HDMI
jepler Feb 26, 2025
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4 changes: 2 additions & 2 deletions examples/DualRole/HID/hid_device_report/hid_device_report.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ void loop() {
//------------- Core0 -------------//
void setup() {
Serial.begin(115200);
//while ( !Serial ) delay(10); // wait for native usb
while ( !Serial ) delay(10); // wait for native usb
Serial.println("TinyUSB Dual: HID Device Report Example");
}

Expand Down Expand Up @@ -120,4 +120,4 @@ void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t cons
}
}

} // extern C
} // extern C
91 changes: 63 additions & 28 deletions examples/DualRole/Simple/device_info/device_info.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -48,12 +48,21 @@
*
*/

#include "Adafruit_dvhstx.h"

DVHSTXText3 display(DVHSTX_PINOUT_DEFAULT);

// USBHost is defined in usbh_helper.h
#include "usbh_helper.h"

// Language ID: English
#define LANGUAGE_ID 0x0409

#if defined(ARDUINO_ARCH_RP2040)
#include "hardware/vreg.h"
#include "hardware/clocks.h"
#endif

typedef struct {
tusb_desc_device_t desc_device;
uint16_t manufacturer[32];
Expand All @@ -65,8 +74,23 @@ typedef struct {
// CFG_TUH_DEVICE_MAX is defined by tusb_config header
dev_info_t dev_info[CFG_TUH_DEVICE_MAX] = { 0 };

volatile bool start1 = false;

void setup() {
display.begin();
Serial.begin(115200);
while ( !Serial ) delay(10); // wait for native usb

#if 0 // defined(ARDUINO_ARCH_RP2040)
Serial.println("About to overclock to 264MHz"); Serial.flush();
// We're going to go fast, boost the voltage a little
vreg_set_voltage(VREG_VOLTAGE_1_15);
delay(10);

set_sys_clock_khz(240000, true);
Serial.println("Overclocking complete (LIE)"); Serial.flush();
#endif


#if defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421
// init host stack on controller (rhport) 1
Expand All @@ -75,7 +99,13 @@ void setup() {
#endif

// while ( !Serial ) delay(10); // wait for native usb
Serial.println("TinyUSB Dual Device Info Example");
Serial.println("TinyUSB Dual Device Info Example"); Serial.flush();
display.println("TinyUSB Dual Device Info Example"); display.flush();
display.printf("CFG_TUH_DEVICE_MAX=%u\n", CFG_TUH_DEVICE_MAX);
display.printf("systick CSR=%08x RVR=%08x CVR=%08x\r\n", systick_hw->csr, systick_hw->rvr, systick_hw->cvr);
delay(10);
display.printf("systick CSR=%08x RVR=%08x CVR=%08x\r\n", systick_hw->csr, systick_hw->rvr, systick_hw->cvr);
start1=true;
}

#if defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421
Expand All @@ -88,6 +118,9 @@ void loop() {
}

#elif defined(ARDUINO_ARCH_RP2040)
#include "hardware/vreg.h"
#include "hardware/clocks.h"

//--------------------------------------------------------------------+
// For RP2040 use both core0 for device stack, core1 for host stack
//--------------------------------------------------------------------+
Expand All @@ -98,6 +131,7 @@ void loop() {

//------------- Core1 -------------//
void setup1() {
while (!start1) delay(10);
//while ( !Serial ) delay(10); // wait for native usb
// configure pio-usb: defined in usbh_helper.h
rp2040_configure_pio_usb();
Expand All @@ -106,6 +140,7 @@ void setup1() {
// Note: For rp2040 pico-pio-usb, calling USBHost.begin() on core1 will have most of the
// host bit-banging processing works done in core1 to free up core0 for other works
USBHost.begin(1);
Serial.printf("%s:%d\r\n", __FILE__, __LINE__);
}

void loop1() {
Expand All @@ -128,7 +163,7 @@ void print_lsusb(void) {
// use local connected flag instead
dev_info_t *dev = &dev_info[daddr - 1];
if (dev->mounted) {
Serial.printf("Device %u: ID %04x:%04x %s %s\r\n", daddr,
display.printf("Device %u: ID %04x:%04x %s %s\r\n", daddr,
dev->desc_device.idVendor, dev->desc_device.idProduct,
(char *) dev->manufacturer, (char *) dev->product);

Expand All @@ -137,13 +172,13 @@ void print_lsusb(void) {
}

if (no_device) {
Serial.println("No device connected (except hub)");
display.println("No device connected (except hub)");
}
}

// Invoked when device is mounted (configured)
void tuh_mount_cb(uint8_t daddr) {
Serial.printf("Device attached, address = %d\r\n", daddr);
display.printf("Device attached, address = %d\r\n", daddr);

dev_info_t *dev = &dev_info[daddr - 1];
dev->mounted = true;
Expand All @@ -154,7 +189,7 @@ void tuh_mount_cb(uint8_t daddr) {

/// Invoked when device is unmounted (bus reset/unplugged)
void tuh_umount_cb(uint8_t daddr) {
Serial.printf("Device removed, address = %d\r\n", daddr);
display.printf("Device removed, address = %d\r\n", daddr);
dev_info_t *dev = &dev_info[daddr - 1];
dev->mounted = false;

Expand All @@ -164,53 +199,53 @@ void tuh_umount_cb(uint8_t daddr) {

void print_device_descriptor(tuh_xfer_t *xfer) {
if (XFER_RESULT_SUCCESS != xfer->result) {
Serial.printf("Failed to get device descriptor\r\n");
display.printf("Failed to get device descriptor\r\n");
return;
}

uint8_t const daddr = xfer->daddr;
dev_info_t *dev = &dev_info[daddr - 1];
tusb_desc_device_t *desc = &dev->desc_device;

Serial.printf("Device %u: ID %04x:%04x\r\n", daddr, desc->idVendor, desc->idProduct);
Serial.printf("Device Descriptor:\r\n");
Serial.printf(" bLength %u\r\n" , desc->bLength);
Serial.printf(" bDescriptorType %u\r\n" , desc->bDescriptorType);
Serial.printf(" bcdUSB %04x\r\n" , desc->bcdUSB);
Serial.printf(" bDeviceClass %u\r\n" , desc->bDeviceClass);
Serial.printf(" bDeviceSubClass %u\r\n" , desc->bDeviceSubClass);
Serial.printf(" bDeviceProtocol %u\r\n" , desc->bDeviceProtocol);
Serial.printf(" bMaxPacketSize0 %u\r\n" , desc->bMaxPacketSize0);
Serial.printf(" idVendor 0x%04x\r\n" , desc->idVendor);
Serial.printf(" idProduct 0x%04x\r\n" , desc->idProduct);
Serial.printf(" bcdDevice %04x\r\n" , desc->bcdDevice);
display.printf("Device %u: ID %04x:%04x\r\n", daddr, desc->idVendor, desc->idProduct);
display.printf("Device Descriptor:\r\n");
display.printf(" bLength %u\r\n" , desc->bLength);
display.printf(" bDescriptorType %u\r\n" , desc->bDescriptorType);
display.printf(" bcdUSB %04x\r\n" , desc->bcdUSB);
display.printf(" bDeviceClass %u\r\n" , desc->bDeviceClass);
display.printf(" bDeviceSubClass %u\r\n" , desc->bDeviceSubClass);
display.printf(" bDeviceProtocol %u\r\n" , desc->bDeviceProtocol);
display.printf(" bMaxPacketSize0 %u\r\n" , desc->bMaxPacketSize0);
display.printf(" idVendor 0x%04x\r\n" , desc->idVendor);
display.printf(" idProduct 0x%04x\r\n" , desc->idProduct);
display.printf(" bcdDevice %04x\r\n" , desc->bcdDevice);

// Get String descriptor using Sync API
Serial.printf(" iManufacturer %u ", desc->iManufacturer);
display.printf(" iManufacturer %u ", desc->iManufacturer);
if (XFER_RESULT_SUCCESS ==
tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, dev->manufacturer, sizeof(dev->manufacturer))) {
utf16_to_utf8(dev->manufacturer, sizeof(dev->manufacturer));
Serial.printf((char *) dev->manufacturer);
display.printf((char *) dev->manufacturer);
}
Serial.printf("\r\n");
display.printf("\r\n");

Serial.printf(" iProduct %u ", desc->iProduct);
display.printf(" iProduct %u ", desc->iProduct);
if (XFER_RESULT_SUCCESS ==
tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, dev->product, sizeof(dev->product))) {
utf16_to_utf8(dev->product, sizeof(dev->product));
Serial.printf((char *) dev->product);
display.printf((char *) dev->product);
}
Serial.printf("\r\n");
display.printf("\r\n");

Serial.printf(" iSerialNumber %u ", desc->iSerialNumber);
display.printf(" iSerialNumber %u ", desc->iSerialNumber);
if (XFER_RESULT_SUCCESS ==
tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, dev->serial, sizeof(dev->serial))) {
utf16_to_utf8(dev->serial, sizeof(dev->serial));
Serial.printf((char *) dev->serial);
display.printf((char *) dev->serial);
}
Serial.printf("\r\n");
display.printf("\r\n");

Serial.printf(" bNumConfigurations %u\r\n", desc->bNumConfigurations);
display.printf(" bNumConfigurations %u\r\n", desc->bNumConfigurations);

// print device summary
print_lsusb();
Expand Down
13 changes: 11 additions & 2 deletions examples/DualRole/Simple/device_info/usbh_helper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@
#ifndef PIN_5V_EN_STATE
#define PIN_5V_EN_STATE 1
#endif

#include "hardware/dma.h"
#endif // ARDUINO_ARCH_RP2040

#include "Adafruit_TinyUSB.h"
Expand Down Expand Up @@ -61,17 +63,19 @@ static void rp2040_configure_pio_usb(void) {

// Check for CPU frequency, must be multiple of 120Mhz for bit-banging USB
uint32_t cpu_hz = clock_get_hz(clk_sys);
if (cpu_hz != 120000000UL && cpu_hz != 240000000UL) {
Serial.printf("Core speed is %fMHz\r\n", cpu_hz * 1e-6);
if (cpu_hz % 12000000UL) {
while (!Serial) {
delay(10); // wait for native usb
}
Serial.printf("Error: CPU Clock = %lu, PIO USB require CPU clock must be multiple of 120 Mhz\r\n", cpu_hz);
Serial.printf("Error: CPU Clock = %lu, PIO USB require CPU clock must be multiple of 12 MHz\r\n", cpu_hz);
Serial.printf("Change your CPU Clock to either 120 or 240 Mhz in Menu->CPU Speed \r\n");
while (1) {
delay(1);
}
}

Serial.printf("%s:%d\r\n", __FILE__, __LINE__);
#ifdef PIN_5V_EN
pinMode(PIN_5V_EN, OUTPUT);
digitalWrite(PIN_5V_EN, PIN_5V_EN_STATE);
Expand All @@ -91,8 +95,13 @@ static void rp2040_configure_pio_usb(void) {
pio_cfg.pio_tx_num = 1;
pio_cfg.tx_ch = 9;
#endif
Serial.printf("%s:%d\r\n", __FILE__, __LINE__);
pio_cfg.tx_ch = dma_claim_unused_channel(true);
dma_channel_unclaim(pio_cfg.tx_ch);

Serial.printf("%s:%d: using dma channel %d\r\n", __FILE__, __LINE__, pio_cfg.tx_ch);
USBHost.configure_pio_usb(1, &pio_cfg);
Serial.printf("%s:%d\r\n", __FILE__, __LINE__);
}
#endif

Expand Down
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