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Debugging usb code
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@SegerEnd
SegerEnd committed Jan 26, 2024
1 parent d8f14d7 commit 5d1f941
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Showing 3 changed files with 111 additions and 20 deletions.
98 changes: 84 additions & 14 deletions usb/usb_toypad.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -267,12 +267,39 @@ static void hid_on_suspend(usbd_device* dev) {
}
}

// create a string variablethat contains the text: nothing to debug yet
char debug_text_ep_in[] = "nothing to debug yet";

char debug_text_ep_out[] = "nothing to debug yet";

static void hid_tx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
// UNUSED(dev);
// UNUSED(ep);
// if(event == usbd_evt_eptx) {
// furi_semaphore_release(hid_semaphore);
// }
UNUSED(dev);
UNUSED(event);
UNUSED(ep);
if(event == usbd_evt_eptx) {
furi_semaphore_release(hid_semaphore);

uint16_t len = 32;
uint8_t data[len];
usbd_ep_read(dev, ep, data, len);

// check if endpoint is HID_EP_IN or HID_EP_OUT
if(ep == HID_EP_IN) {
// snprintf(debug_text_ep_in, sizeof(debug_text_ep_in), "tx ep: %ld", (long)event);
snprintf(debug_text_ep_in, sizeof(debug_text_ep_in), "tx ep: %ld", (long)data);
} else if(ep == HID_EP_OUT) {
// snprintf(debug_text_ep_out, sizeof(debug_text_ep_out), "tx ep: %ld", (long)event);
snprintf(debug_text_ep_out, sizeof(debug_text_ep_out), "tx ep: %ld", (long)data);
}

// snprintf(debug_text_ep_out, sizeof(debug_text_ep_out), "tx: %ld", (long)event);
// snprintf(debug_text_ep_out, sizeof(debug_text_ep_out), "tx endpoint: %ld", (long)ep);

// furi_semaphore_release(hid_semaphore);

// else if(boot_protocol == true) {
// usbd_ep_read(usb_dev, ep, &led_state, sizeof(led_state));
// } else {
Expand All @@ -282,11 +309,54 @@ static void hid_tx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
// }
}

// a function that returns a pointer to the string
char* get_debug_text_ep_in() {
return debug_text_ep_in;
}
char* get_debug_text_ep_out() {
return debug_text_ep_out;
}

static void hid_rx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
UNUSED(dev);
UNUSED(event);
UNUSED(ep);

uint16_t len = 32;
uint8_t data[len];
usbd_ep_read(dev, ep, data, len);

// save data to debug_text append 'data: ' to the front of the string
// snprintf(debug_text_ep_in, sizeof(debug_text_ep_in), "rx data: %ld", (long)data);

if(ep == HID_EP_IN) {
snprintf(debug_text_ep_in, sizeof(debug_text_ep_in), "rx ep: %ld", (long)data);
} else if(ep == HID_EP_OUT) {
snprintf(debug_text_ep_out, sizeof(debug_text_ep_out), "rx ep: %ld", (long)data);
}
int8_t initPacket[32] = {0x55, 0x0f, 0xb0, 0x01, 0x28, 0x63, 0x29, 0x20, 0x4c, 0x45, 0x47,
0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xf7, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
usbd_ep_write(dev, HID_EP_OUT, initPacket, sizeof(initPacket));

if(callback != NULL) {
// callback(HidRequest, cb_ctx);
}
}

static void hid_txrx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
// set debug_text_ep_in to the text "hello world"
// strcpy(debug_text_ep_in, "test 2 hello world");

// set the debug_text_ep_in to event variable value
// snprintf(debug_text_ep_in, sizeof(debug_text_ep_in), "txrx ev: %ld", (long)event);

if(event == usbd_evt_eptx) {
furi_semaphore_release(hid_semaphore);
hid_tx_ep_callback(dev, event, ep);
} else if(event == usbd_evt_eprx) {
hid_rx_ep_callback(dev, event, ep);
} else {
hid_rx_ep_callback(dev, event, ep);
}
}

Expand All @@ -304,9 +374,9 @@ static usbd_respond hid_ep_config(usbd_device* dev, uint8_t cfg) {
case 1:
/* configuring device */
usbd_ep_config(dev, HID_EP_IN, USB_EPTYPE_INTERRUPT, HID_EP_SZ);
usbd_reg_endpoint(dev, HID_EP_IN, hid_tx_ep_callback);
usbd_reg_endpoint(dev, HID_EP_IN, hid_txrx_ep_callback);
usbd_ep_config(dev, HID_EP_OUT, USB_EPTYPE_INTERRUPT, HID_EP_SZ);
usbd_reg_endpoint(dev, HID_EP_OUT, hid_rx_ep_callback);
usbd_reg_endpoint(dev, HID_EP_OUT, hid_txrx_ep_callback);
usbd_ep_write(dev, HID_EP_SZ, 0, 0);
// int8_t initPacket[32] = {0x55, 0x0f, 0xb0, 0x01, 0x28, 0x63, 0x29, 0x20, 0x4c, 0x45, 0x47,
// 0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xf7, 0x00, 0x00, 0x00, 0x00,
Expand Down Expand Up @@ -389,17 +459,17 @@ int32_t hid_toypad_read_IN() {
uint16_t len = 32;
uint8_t data[len]; // declare data as an array of the appropriate size
// Check if the device is connected then read the packet
if(hid_connected) {
int32_t result = usbd_ep_read(usb_dev, HID_EP_IN, data, len);
// if(hid_connected) {
int32_t result = usbd_ep_read(usb_dev, HID_EP_IN, data, len);

// int8_t initPacket[32] = {0x55, 0x0f, 0xb0, 0x01, 0x28, 0x63, 0x29, 0x20, 0x4c, 0x45, 0x47,
// 0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xf7, 0x00, 0x00, 0x00, 0x00,
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
// usbd_ep_write(usb_dev, HID_EP_OUT, initPacket, sizeof(initPacket));
// int8_t initPacket[32] = {0x55, 0x0f, 0xb0, 0x01, 0x28, 0x63, 0x29, 0x20, 0x4c, 0x45, 0x47,
// 0x4f, 0x20, 0x32, 0x30, 0x31, 0x34, 0xf7, 0x00, 0x00, 0x00, 0x00,
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
// usbd_ep_write(usb_dev, HID_EP_OUT, initPacket, sizeof(initPacket));

return result;
}
return 777;
return result;
// }
// return 888;
}

// int32_t hid_toypad_read_OUT() {
Expand Down
9 changes: 9 additions & 0 deletions usb/usb_toypad.h
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Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,19 @@ extern "C" {

extern FuriHalUsbInterface usb_hid_ldtoypad;

// typedef enum {
// HidDisconnected,
// HidConnected,
// HidRequest,
// } HidEvent;

int32_t hid_toypad_read_IN();
// int32_t hid_toypad_read_OUT();
// uint32_t hid_ldtoypad_usbinfo();

char* get_debug_text_ep_in();
char* get_debug_text_ep_out();

#ifdef __cplusplus
}
#endif
24 changes: 18 additions & 6 deletions views/EmulateToyPad.c
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Original file line number Diff line number Diff line change
Expand Up @@ -256,14 +256,26 @@ static void ldtoypad_draw_callback(Canvas* canvas, void* context) {

// Now for USB info also but below the other one
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, 0, 16, 40, 16);
canvas_draw_box(canvas, 0, 16, 120, 16);
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontPrimary);
int32_t value2 = hid_toypad_read_IN();
// Convert the integer value to a string
char value2Str[40]; // Adjust the array size as needed
snprintf(value2Str, sizeof(value2Str), "%ld", (long)value2);
elements_multiline_text_aligned(canvas, 1, 17, AlignLeft, AlignTop, value2Str);
// int32_t value2 = hid_toypad_read_IN();
// // Convert the integer value to a string
// char value2Str[40]; // Adjust the array size as needed
// snprintf(value2Str, sizeof(value2Str), "%ld", (long)value2);
// elements_multiline_text_aligned(canvas, 1, 17, AlignLeft, AlignTop, value2Str);

// from get_debug_text() function display the text
elements_multiline_text_aligned(canvas, 1, 17, AlignLeft, AlignTop, "ep_in: ");
elements_multiline_text_aligned(canvas, 40, 17, AlignLeft, AlignTop, get_debug_text_ep_in());

canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, 0, 32, 120, 16);
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontPrimary);
// say ep_out before the text
elements_multiline_text_aligned(canvas, 1, 33, AlignLeft, AlignTop, "ep_out: ");
elements_multiline_text_aligned(canvas, 40, 33, AlignLeft, AlignTop, get_debug_text_ep_out());
}

void ldtoypad_enter_callback(void* context) {
Expand Down

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