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shell: uart: add write command

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Added a command to write to a uart device.

Signed-off-by: Yishai Jaffe <yishai1999@gmail.com>
This commit is contained in:
Yishai Jaffe 2025-01-21 15:56:37 +02:00 committed by Benjamin Cabé
parent 1709731c5c
commit 12240a9058
1 changed files with 24 additions and 0 deletions
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24
drivers/serial/uart_shell.c
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@ -16,6 +16,26 @@ static bool device_is_uart(const struct device *dev)
return DEVICE_API_IS(uart, dev); return DEVICE_API_IS(uart, dev);
} }
static int cmd_uart_write(const struct shell *sh, size_t argc, char **argv)
{
char *s_dev_name = argv[1];
const struct device *dev = shell_device_get_binding(s_dev_name);
if (!dev || !device_is_uart(dev)) {
shell_error(sh, "UART: Device driver %s not found.", s_dev_name);
return -ENODEV;
}
char *buf = argv[2];
int msg_len = strlen(buf);
for (int i = 0; i < msg_len; i++) {
uart_poll_out(dev, buf[i]);
}
return 0;
}
static int cmd_uart_baudrate(const struct shell *sh, size_t argc, char **argv) static int cmd_uart_baudrate(const struct shell *sh, size_t argc, char **argv)
{ {
char *s_dev_name = argv[1]; char *s_dev_name = argv[1];
@ -102,6 +122,10 @@ static void device_name_get(size_t idx, struct shell_static_entry *entry)
SHELL_DYNAMIC_CMD_CREATE(dsub_device_name, device_name_get); SHELL_DYNAMIC_CMD_CREATE(dsub_device_name, device_name_get);
SHELL_STATIC_SUBCMD_SET_CREATE(sub_uart_cmds, SHELL_STATIC_SUBCMD_SET_CREATE(sub_uart_cmds,
SHELL_CMD_ARG(write, &dsub_device_name,
"Write data to the UART device\n"
"Usage: write <device> <data>",
cmd_uart_write, 3, 0),
SHELL_CMD_ARG(baudrate, &dsub_device_name, SHELL_CMD_ARG(baudrate, &dsub_device_name,
"Configure UART device baudrate\n" "Configure UART device baudrate\n"
"Usage: baudrate <device> <baudrate>", "Usage: baudrate <device> <baudrate>",