update cdc_msc/cdc_msc_freertos to also support notification

2025-07-03 14:28:19 +07:00
parent 41606a533d
commit 0df3bfb81d
7 changed files with 42 additions and 30 deletions
--- a/examples/device/cdc_msc_freertos/src/main.c
+++ b/examples/device/cdc_msc_freertos/src/main.c
@@ -189,6 +189,16 @@ void cdc_task(void *params) {
      }

      tud_cdc_write_flush();
+
+      // Press on-board button to send Uart status notification
+      static uint32_t btn_prev = 0;
+      static cdc_notify_uart_state_t uart_state = { .value = 0 };
+      const uint32_t btn = board_button_read();
+      if (!btn_prev && btn) {
+        uart_state.dsr ^= 1;
+        tud_cdc_notify_uart_state(&uart_state);
+      }
+      btn_prev = btn;
    }

    // For ESP32-Sx this delay is essential to allow idle how to run and reset watchdog