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mcuboot
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zephyr: get CDC ACM UART device from devicetree 

Adapt to Zephyr OS changes to get CDC ACM UART device.
Remove RECOVERY_UART_DEV_NAME Kconfig option and
use DEVICE_DT_GET() in serial_adapter.c

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
This commit is contained in:
Johann Fischer 2021-07-30 16:01:03 +02:00 committed by Andrzej Puzdrowski
parent 1fceb9bdba
commit a6e1e9e339
4 changed files with 19 additions and 25 deletions
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13
boot/zephyr/Kconfig
View File

@ -477,7 +477,6 @@ config BOOT_SERIAL_UART
config BOOT_SERIAL_CDC_ACM config BOOT_SERIAL_CDC_ACM
bool "CDC ACM" bool "CDC ACM"
select USB_DEVICE_STACK select USB_DEVICE_STACK
select USB_CDC_ACM
endchoice endchoice
@ -543,18 +542,6 @@ config BOOT_SERIAL_DETECT_DELAY
Useful for powering on when using the same button as Useful for powering on when using the same button as
the one used to place the device in bootloader mode. the one used to place the device in bootloader mode.
# Workaround for not being able to have commas in macro arguments
DT_CHOSEN_Z_CONSOLE := zephyr,console
config RECOVERY_UART_DEV_NAME
string "UART Device Name for Recovery UART"
default "$(dt_chosen_label,$(DT_CHOSEN_Z_CONSOLE))" if HAS_DTS
default "UART_0"
depends on BOOT_SERIAL_UART
help
This option specifies the name of UART device to be used for
serial recovery.
config BOOT_ERASE_PROGRESSIVELY config BOOT_ERASE_PROGRESSIVELY
bool "Erase flash progressively when receiving new firmware" bool "Erase flash progressively when receiving new firmware"
default y if SOC_FAMILY_NRF default y if SOC_FAMILY_NRF

1
boot/zephyr/boards/nrf52840dongle_nrf52840.conf
View File

@ -26,6 +26,5 @@ CONFIG_MULTITHREADING=y
# USB # USB
CONFIG_USB_DEVICE_STACK=y CONFIG_USB_DEVICE_STACK=y
CONFIG_USB_DEVICE_PRODUCT="MCUBOOT" CONFIG_USB_DEVICE_PRODUCT="MCUBOOT"
CONFIG_USB_CDC_ACM=y
CONFIG_USB_COMPOSITE_DEVICE=n CONFIG_USB_COMPOSITE_DEVICE=n
CONFIG_USB_MASS_STORAGE=n CONFIG_USB_MASS_STORAGE=n

7
boot/zephyr/dts.overlay
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@ -3,3 +3,10 @@
zephyr,code-partition = &boot_partition; zephyr,code-partition = &boot_partition;
}; };
}; };
&zephyr_udc0 {
cdc_acm_uart0 {
compatible = "zephyr,cdc-acm-uart";
label = "CDC_ACM_0";
};
};

23
boot/zephyr/serial_adapter.c
View File

@ -192,27 +192,28 @@ static int
boot_uart_fifo_init(void) boot_uart_fifo_init(void)
{ {
#ifdef CONFIG_BOOT_SERIAL_UART #ifdef CONFIG_BOOT_SERIAL_UART
uart_dev = device_get_binding(CONFIG_RECOVERY_UART_DEV_NAME); uart_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
#elif CONFIG_BOOT_SERIAL_CDC_ACM #elif CONFIG_BOOT_SERIAL_CDC_ACM
uart_dev = device_get_binding(CONFIG_USB_CDC_ACM_DEVICE_NAME "_0"); uart_dev = DEVICE_DT_GET_ONE(zephyr_cdc_acm_uart);
if (uart_dev) { #endif
int rc;
rc = usb_enable(NULL); if (!device_is_ready(uart_dev)) {
return (-1);
}
#if CONFIG_BOOT_SERIAL_CDC_ACM
int rc = usb_enable(NULL);
if (rc) { if (rc) {
return (-1); return (-1);
} }
}
#endif #endif
uint8_t c;
if (!uart_dev) {
return (-1);
}
uart_irq_callback_set(uart_dev, boot_uart_fifo_callback); uart_irq_callback_set(uart_dev, boot_uart_fifo_callback);
/* Drain the fifo */ /* Drain the fifo */
if (uart_irq_rx_ready(uart_dev)) { if (uart_irq_rx_ready(uart_dev)) {
uint8_t c;
while (uart_fifo_read(uart_dev, &c, 1)) { while (uart_fifo_read(uart_dev, &c, 1)) {
; ;
} }