Telit LTE modem preparation

apps/gateway_lte/Kconfig

@@ -13,4 +13,18 @@ configdefault NRF_MODEM_LIB_SHMEM_TX_SIZE
 configdefault NRF_MODEM_LIB_SHMEM_RX_SIZE
 	default 8192
 
+#
+# Defaults for native nRF91 gateways
+#
+choice LTE_NETWORK_MODE
+	default LTE_NETWORK_MODE_LTE_M
+endchoice
+choice INFUSE_NRF_MODEM_MONITOR_MOBILITY
+	default INFUSE_NRF_MODEM_MONITOR_MOBILITY_NORDIC_PROPRIETARY
+endchoice
+configdefault LTE_PSM_REQ
+	default n
+configdefault INFUSE_NRF_MODEM_DATA_PROFILE_DEFAULT
+	default 4
+
 source "Kconfig.zephyr"

apps/gateway_lte/prj.conf

@@ -21,11 +21,7 @@ CONFIG_BT_MAX_CONN=4
 
 # LTE
 CONFIG_NETWORKING=y
-CONFIG_LTE_NETWORK_MODE_LTE_M=y
-CONFIG_LTE_PSM_REQ=n
 CONFIG_INFUSE_MODEM_MONITOR_CONN_STATE_LOG=y
-CONFIG_INFUSE_NRF_MODEM_DATA_PROFILE_DEFAULT=4
-CONFIG_INFUSE_NRF_MODEM_MONITOR_MOBILITY_NORDIC_PROPRIETARY=y
 
 # Group packets for TX efficiency
 CONFIG_EPACKET_RECEIVE_GROUPING=y

apps/gateway_lte/src/main.c

@@ -82,6 +82,7 @@ static const struct task_schedule schedules[] = {
 		.periodicity.fixed.period_s = 30,
 	},
 #endif /* DT_NODE_EXISTS(DT_ALIAS(environmental0)) */
+#if DT_NODE_EXISTS(DT_ALIAS(gnss))
 	{
 		.task_id = TASK_ID_GNSS,
 		.validity = TASK_VALID_ALWAYS,
@@ -105,19 +106,25 @@ static const struct task_schedule schedules[] = {
 				.position_dop = 100,
 			},
 	},
+#endif /* DT_NODE_EXISTS(DT_ALIAS(gnss)) */
 };
 
 #if DT_NODE_EXISTS(DT_ALIAS(environmental0))
 #define ENV_TASK_DEFINE (ENVIRONMENTAL_TASK, DEVICE_DT_GET(DT_ALIAS(environmental0)))
 #else
 #define ENV_TASK_DEFINE
 #endif
+#if DT_NODE_EXISTS(DT_ALIAS(gnss))
+#define GNSS_TASK_DEFINE (GNSS_TASK, DEVICE_DT_GET(DT_ALIAS(gnss)))
+#else
+#define GNSS_TASK_DEFINE
+#endif
 
 TASK_SCHEDULE_STATES_DEFINE(states, schedules);
 TASK_RUNNER_TASKS_DEFINE(app_tasks, app_tasks_data, (TDF_LOGGER_TASK, custom_tdf_logger),
 			 (TDF_LOGGER_ALT1_TASK, NULL),
 			 (BATTERY_TASK, DEVICE_DT_GET(DT_ALIAS(fuel_gauge0))), ENV_TASK_DEFINE,
-			 (GNSS_TASK, DEVICE_DT_GET(DT_ALIAS(gnss))));
+			 GNSS_TASK_DEFINE);
 
 GATEWAY_HANDLER_DEFINE(udp_backhaul_handler, DEVICE_DT_GET(DT_NODELABEL(epacket_udp)));
 

boards/embeint/kudu/kudu_cpuapp_common.dtsi

@@ -52,6 +52,7 @@
 		led1 = &led1;
 		led2 = &led2;
 		watchdog0 = &wdt31;
+		fuel-gauge0 = &fuel_gauge;
 		environmental0 = &sht4x;
 		imu0 = &lsm6dsv;
 	};

lib/modem_monitor/modem_nrf9x/nrf_modem_monitor.c

@@ -137,7 +137,7 @@ static void network_info_update(struct k_work *work)
 		KV_STRUCT_KV_STRING_VAR(25) sim_uicc;
 
 		/* SIM IMSI */
-		rc = nrf_modem_at_scanf("AT+CIMI", "%" SCNd64 "\n", &sim_imsi.imsi);
+		rc = nrf_modem_at_scanf("AT+CIMI", "%" SCNu64 "\n", &sim_imsi.imsi);
 		if (rc == 1) {
 			if (KV_STORE_WRITE(KV_KEY_LTE_SIM_IMSI, &sim_imsi) > 0) {
 				/* Print value when first saved to KV store */
@@ -508,7 +508,7 @@ static void infuse_modem_init(int ret, void *ctx)
 	modem_info.value_num = strlen(modem_info.value) + 1;
 	(void)kv_store_write(KV_KEY_LTE_MODEM_ESN, &modem_info, 1 + modem_info.value_num);
 	/* Modem IMEI */
-	nrf_modem_at_scanf("AT+CGSN=1", "+CGSN: \"%" SCNd64 "\"\n", &modem_imei.imei);
+	nrf_modem_at_scanf("AT+CGSN=1", "+CGSN: \"%" SCNu64 "\"\n", &modem_imei.imei);
 	(void)KV_STORE_WRITE(KV_KEY_LTE_MODEM_IMEI, &modem_imei);
 	/* Modem info has been stored */
 	modem_info_stored = true;

snippets/infuse/boards/kudu_nrf54l15_cpuapp.overlay

@@ -1,12 +1,41 @@
 #include <common/nordic/infuse_nrf54l15_cpuapp.dtsi>
 #include <common/infuse_bluetooth.dtsi>
 
+/* Recover the FLPR core RAM for the main application */
+&cpuapp_sram {
+	reg = <0x20000000 (DT_SIZE_K(256) - 0x100)>;
+	ranges = <0x0 0x20000000 (DT_SIZE_K(256) - 0x100)>;
+};
+/delete-node/ &retained_mem_region;
+
 / {
 	chosen {
 		infuse,reboot-state = &retention0;
 		infuse,kv-partition = &storage_partition;
 	};
 
+	/* Move the retained memory region to the new end of application RAM */
+	retained_mem_region: memory@2003FF00 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x2003FF00 0x100>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			retention0: retention@0 {
+				compatible = "zephyr,retention";
+				status = "okay";
+				reg = <0x0 0x100>;
+				prefix = [DE 03];
+			};
+		};
+	};
+
 	epacket_serial: epacket_serial {
 		compatible = "embeint,epacket-serial";
 		serial = <&rtt0>;

subsys/rpc/commands/lte_state.c

@@ -14,8 +14,6 @@
 #include <infuse/rpc/types.h>
 #include <infuse/lib/lte_modem_monitor.h>
 
-#include <nrf_modem_at.h>
-
 #include "common_net_query.h"
 
 LOG_MODULE_DECLARE(rpc_server);
@@ -50,7 +48,13 @@ static void lte_modem_lte_state(struct rpc_struct_lte_state *lte)
 
 struct net_buf *rpc_command_lte_state(struct net_buf *request)
 {
+#if defined(CONFIG_NRF_MODEM_LIB)
 	struct net_if *iface = net_if_get_first_by_type(&(NET_L2_GET_NAME(OFFLOADED_NETDEV)));
+#elif defined(CONFIG_NET_L2_PPP)
+	struct net_if *iface = net_if_get_first_by_type(&(NET_L2_GET_NAME(PPP)));
+#else
+#error Unknown LTE modem network interface
+#endif
 	struct rpc_lte_state_response rsp = {0};
 
 	if (iface == NULL) {