From 418b8b2f133d695362c735f271c966af10b5d251 Mon Sep 17 00:00:00 2001 From: HiFiPhile Date: Fri, 12 Apr 2024 01:17:50 +0200 Subject: [PATCH] Add uart status notif to cdc_dual_ports example. --- examples/device/cdc_dual_ports/src/main.c | 11 ++++++++++- examples/device/cdc_dual_ports/src/usb_descriptors.c | 8 ++++---- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/examples/device/cdc_dual_ports/src/main.c b/examples/device/cdc_dual_ports/src/main.c index 1167a5d50a..2190b984ac 100644 --- a/examples/device/cdc_dual_ports/src/main.c +++ b/examples/device/cdc_dual_ports/src/main.c @@ -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; } } } diff --git a/examples/device/cdc_dual_ports/src/usb_descriptors.c b/examples/device/cdc_dual_ports/src/usb_descriptors.c index de2505c07f..76907de096 100644 --- a/examples/device/cdc_dual_ports/src/usb_descriptors.c +++ b/examples/device/cdc_dual_ports/src/usb_descriptors.c @@ -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