samples: serial_lte_modem adapt to new at_notif lib

AT response is now distributed by at_notif, instead of at_cmd.

Signed-off-by: Jun Qing Zou <[email protected]>

Author: junqingzou

samples/nrf9160/serial_lte_modem/Kconfig

@@ -12,6 +12,7 @@ config SLM_AT_MODE
 	bool "Serial LTE Modem by raw AT mode"
 	default y
 	select AT_CMD
+	select AT_NOTIF
 	select AT_CMD_PARSER
 
 config SLM_AT_MAX_PARAM

samples/nrf9160/serial_lte_modem/src/main.c

@@ -4,25 +4,24 @@
  * SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic
  */
 #include <logging/log.h>
-LOG_MODULE_REGISTER(app, CONFIG_SLM_LOG_LEVEL);
 
 #include <zephyr.h>
 #include <stdio.h>
 #include <uart.h>
 #include <string.h>
 #include <bsd.h>
 #include <lte_lc.h>
-
 #include <hal/nrf_gpio.h>
 #include <hal/nrf_power.h>
 #include <hal/nrf_regulators.h>
-
 #include "slm_at_host.h"
 
 #if defined(CONFIG_SLM_CONNECT_UART_0) && defined(CONFIG_SLM_GPIO_WAKEUP)
 #error CONFIG_SLM_GPIO_WAKEUP should not be defined when UART0 is used
 #endif
 
+LOG_MODULE_REGISTER(app, CONFIG_SLM_LOG_LEVEL);
+
 /* global variable used across different files */
 struct at_param_list m_param_list;
 

samples/nrf9160/serial_lte_modem/src/slm_at_host.c

@@ -12,6 +12,7 @@
 #include <string.h>
 #include <init.h>
 #include <at_cmd.h>
+#include <at_notif.h>
 
 LOG_MODULE_REGISTER(at_host, CONFIG_SLM_LOG_LEVEL);
 
@@ -71,9 +72,12 @@ static inline void write_uart_string(char *str, size_t len)
 	}
 }
 
-static void response_handler(char *response)
+static void response_handler(void *context, char *response)
 {
 	int len = strlen(response) + 1;
+
+	ARG_UNUSED(context);
+
 	/* Forward the data over UART */
 	if (len > 1) {
 		write_uart_string(response, len);
@@ -307,7 +311,11 @@ int slm_at_host_init(void)
 		return -EINVAL;
 	}
 
-	at_cmd_set_notification_handler(response_handler);
+	err = at_notif_register_handler(NULL, response_handler);
+	if (err != 0) {
+		LOG_ERR("Can't register handler err=%d", err);
+		return err;
+	}
 
 	/* Initialize the UART module */
 	err = at_uart_init(uart_dev_name);