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Add uart status notif to cdc_dual_ports example.

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This commit is contained in:
HiFiPhile
2024-04-12 01:17:50 +02:00
parent 67f32da1b9
commit 418b8b2f13
2 changed files with 14 additions and 5 deletions
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11
examples/device/cdc_dual_ports/src/main.c
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@@ -94,7 +94,6 @@ void tud_umount_cb(void) {
blink_interval_ms = BLINK_NOT_MOUNTED;
}
//--------------------------------------------------------------------+
// USB CDC
//--------------------------------------------------------------------+
@@ -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;
}
}
}

8
examples/device/cdc_dual_ports/src/usb_descriptors.c
View File

@@ -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
@@ -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