c3f87d9247
Add app.overlay which contains chosen node and cdc-acm-uart node. Rework sample to get CDC ACM UART device from devicetree. Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
36 lines
743 B
C
36 lines
743 B
C
/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <sys/printk.h>
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#include <usb/usb_device.h>
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#include <drivers/uart.h>
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BUILD_ASSERT(DT_NODE_HAS_COMPAT(DT_CHOSEN(zephyr_console), zephyr_cdc_acm_uart),
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"Console device is not ACM CDC UART device");
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void main(void)
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{
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const struct device *dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
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uint32_t dtr = 0;
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if (usb_enable(NULL)) {
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return;
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}
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/* Poll if the DTR flag was set */
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while (!dtr) {
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uart_line_ctrl_get(dev, UART_LINE_CTRL_DTR, &dtr);
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/* Give CPU resources to low priority threads. */
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k_sleep(K_MSEC(100));
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}
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while (1) {
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printk("Hello World! %s\n", CONFIG_ARCH);
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k_sleep(K_SECONDS(1));
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}
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}
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