shields: ctr_lrw_v2: Add lrw async module + sample

Author: José Mendes

boards/shields/ctr_lrw_v2/Kconfig.defconfig

@@ -0,0 +1,6 @@
+if SHIELD_CTR_LRW_V2
+
+config CTR_LRW_V2
+	default y
+
+endif # SHIELD_CTR_LRW_V2

boards/shields/ctr_lrw_v2/Kconfig.shield

@@ -0,0 +1,2 @@
+config SHIELD_CTR_LRW_V2
+	def_bool $(shields_list_contains,ctr_lrw_v2)

boards/shields/ctr_lrw_v2/ctr_lrw_v2.overlay

@@ -0,0 +1,15 @@
+/ {
+	chosen {
+		ctr,lrw_link = &ctr_lrw_link;
+	};
+};
+
+&uart1 {
+	status = "okay";
+
+	ctr_lrw_link: ctr_lrw_link {
+		compatible = "hardwario,ctr-lrw-link";
+		status = "okay";
+		reset-gpios = <&gpio0 11 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
+	};
+};

drivers/CMakeLists.txt

@@ -10,6 +10,7 @@ add_subdirectory_ifdef(CONFIG_CTR_B1 ctr_b1)
 add_subdirectory_ifdef(CONFIG_CTR_BATT ctr_batt)
 add_subdirectory_ifdef(CONFIG_CTR_K1 ctr_k1)
 add_subdirectory_ifdef(CONFIG_CTR_LRW ctr_lrw_if)
+add_subdirectory_ifdef(CONFIG_CTR_LRW_LINK ctr_lrw_link)
 add_subdirectory_ifdef(CONFIG_CTR_LTE_IF ctr_lte_if)
 add_subdirectory_ifdef(CONFIG_CTR_LTE_LINK ctr_lte_link)
 add_subdirectory_ifdef(CONFIG_CTR_METEO ctr_meteo)

drivers/Kconfig

@@ -12,6 +12,7 @@ rsource "ctr_b1/Kconfig"
 rsource "ctr_batt/Kconfig"
 rsource "ctr_k1/Kconfig"
 rsource "ctr_lrw_if/Kconfig"
+rsource "ctr_lrw_link/Kconfig"
 rsource "ctr_lte_if/Kconfig"
 rsource "ctr_lte_link/Kconfig"
 rsource "ctr_meteo/Kconfig"

drivers/ctr_lrw_link/CMakeLists.txt

@@ -0,0 +1,3 @@
+zephyr_library()
+
+zephyr_library_sources(ctr_lrw_link.c)

drivers/ctr_lrw_link/Kconfig

@@ -0,0 +1,25 @@
+#
+# Copyright (c) 2024 HARDWARIO a.s.
+#
+# SPDX-License-Identifier: LicenseRef-HARDWARIO-5-Clause
+#
+
+config CTR_LRW_LINK
+	bool "CHESTER LRW Interface Driver"
+	select NRFX_TIMER2
+	select PIPES
+	select POLL
+	select SERIAL
+	select UART_1_NRF_HW_ASYNC
+	select UART_ASYNC_API
+
+if CTR_LRW_LINK
+
+module = CTR_LRW_LINK
+module-str = CHESTER LRW Interface Driver
+source "subsys/logging/Kconfig.template.log_config"
+
+endif # CTR_LRW_LINK
+
+config UART_1_NRF_HW_ASYNC_TIMER
+	default 2 if CTR_LRW_LINK