Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

cdc: add uart status notification support. #2593

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
Open

cdc: add uart status notification support. #2593

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
8b4ca69
cdc_device : save rhport.
HiFiPhile Apr 11, 2024
67f32da
cdc: add uart status notification support.
HiFiPhile Apr 11, 2024
418b8b2
Add uart status notif to cdc_dual_ports example.
HiFiPhile Apr 11, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Add uart status notif to cdc_dual_ports example.
  • Loading branch information
@HiFiPhile
HiFiPhile committed Apr 25, 2024
commit 418b8b2f133d695362c735f271c966af10b5d251
11 changes: 10 additions & 1 deletion examples/device/cdc_dual_ports/src/main.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,6 @@ void tud_umount_cb(void) {
blink_interval_ms = BLINK_NOT_MOUNTED;
}


//--------------------------------------------------------------------+
// USB CDC
//--------------------------------------------------------------------+
Expand All @@ -115,6 +114,16 @@ static void cdc_task(void) {
echo_serial_port(0, buf, count);
echo_serial_port(1, buf, count);
}

// Press on-board button to send Uart status notification
static uint32_t btn_prev = 0;
static cdc_uart_state_t state = {0};
uint32_t btn = board_button_read();
if (!btn_prev && btn) {
state.bTxCarrier ^= 1;
tud_cdc_send_uart_state(state);
}
btn_prev = btn;
}
}
}
Expand Down
8 changes: 4 additions & 4 deletions examples/device/cdc_dual_ports/src/usb_descriptors.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -136,10 +136,10 @@ uint8_t const desc_fs_configuration[] =
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),

// 1st CDC: Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_0, 4, EPNUM_CDC_0_NOTIF, 8, EPNUM_CDC_0_OUT, EPNUM_CDC_0_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_0, 4, EPNUM_CDC_0_NOTIF, 10, EPNUM_CDC_0_OUT, EPNUM_CDC_0_IN, 64),

// 2nd CDC: Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_1, 4, EPNUM_CDC_1_NOTIF, 8, EPNUM_CDC_1_OUT, EPNUM_CDC_1_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_1, 4, EPNUM_CDC_1_NOTIF, 10, EPNUM_CDC_1_OUT, EPNUM_CDC_1_IN, 64),
};

#if TUD_OPT_HIGH_SPEED
Expand All @@ -151,10 +151,10 @@ uint8_t const desc_hs_configuration[] =
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),

// 1st CDC: Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_0, 4, EPNUM_CDC_0_NOTIF, 8, EPNUM_CDC_0_OUT, EPNUM_CDC_0_IN, 512),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_0, 4, EPNUM_CDC_0_NOTIF, 10, EPNUM_CDC_0_OUT, EPNUM_CDC_0_IN, 512),

// 2nd CDC: Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_1, 4, EPNUM_CDC_1_NOTIF, 8, EPNUM_CDC_1_OUT, EPNUM_CDC_1_IN, 512),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_1, 4, EPNUM_CDC_1_NOTIF, 10, EPNUM_CDC_1_OUT, EPNUM_CDC_1_IN, 512),
};

// device qualifier is mostly similar to device descriptor since we don't change configuration based on speed
Expand Down
Loading