samples: add support for esp32s3 on the ping pong sample

Signed-off-by: Felipe Neves <[email protected]>

samples/ping-pong/rx/boards/esp32s3_devkitm_appcpu.conf

@@ -0,0 +1,8 @@
+CONFIG_IPM=y
+CONFIG_MAIN_STACK_SIZE=2048
+
+CONFIG_CONSOLE=y
+CONFIG_SERIAL=y
+CONFIG_UART_CONSOLE=y
+CONFIG_GPIO=y
+CONFIG_CLOCK_CONTROL=y

samples/ping-pong/rx/boards/esp32s3_devkitm_appcpu.overlay

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2024 Felipe Neves
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/ {
+	chosen {
+		zephyr,console = &uart1;
+		zephyr,shell-uart = &uart1;
+	};
+
+	aliases {
+		led0 = &red_led_0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		red_led_0: led_0 {
+			gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+			label = "User LD0";
+		};
+	};
+};
+
+&shm0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	zipm_pool: zipm_pool@3fcbd400 {
+		compatible = "zipm,node-pool";
+		block-size = <32>;
+		nodes-quantity = <32>;
+		reg = <0x3fcbd400>;
+	};
+
+	zipm_doorbell_queue: zipm_doorbell_queue@3fcbd800 {
+		compatible = "zipm,shared-queue";
+		reg = <0x3fcbd800>;
+	};
+
+	zipm_rx_queue: zipm_rx_queue@3fcbdc00 {
+		compatible = "zipm,shared-queue";
+		reg = <0x3fcbdc00>;
+	};
+
+	zipm_device0: zipm_device {
+        compatible = "zipm,message-device";
+        status = "okay";
+        node-pool = <&zipm_pool>;
+        shared-queues = <&zipm_doorbell_queue &zipm_rx_queue>;
+        ipc = <&mbox0>;
+		tx-id = <0>;
+		rx-id = <1>;
+		should-init;
+    };
+};
+
+&mbox0 {
+	status = "okay";
+};

samples/ping-pong/rx/src/main.c

@@ -13,7 +13,7 @@
 
 static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(DT_ALIAS(led0), gpios);
 static const struct device *handle = DEVICE_DT_GET(DT_NODELABEL(zipm_device0));
-static struct zipm_callback callback; 
+static struct zipm_callback callback;
 static const char msg[] = {"Hello from other side! Aka secondary core! \0"};
 static char rx_msg[64] = {0};
 const int doorbell_queue = 0;

samples/ping-pong/tx/CMakeLists.txt

@@ -6,3 +6,6 @@ find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(zipm_tx)
 
 target_sources(app PRIVATE src/main.c)
+
+# Temporary solution for esp32 variants until its AMP gets fixed on zephyr tree:
+zephyr_sources_ifdef(CONFIG_BOARD_ESP32S3_DEVKITM_ESP32S3_PROCPU src/zephyr.c)

samples/ping-pong/tx/boards/esp32s3_devkitm_procpu.conf

@@ -0,0 +1,4 @@
+CONFIG_IPM=n
+CONFIG_SHELL=y
+CONFIG_PRINTK=y
+CONFIG_LOG=y

samples/ping-pong/tx/boards/esp32s3_devkitm_procpu.overlay

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2024 Felipe Neves
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		led0 = &red_led_0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		red_led_0: led_0 {
+			gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+			label = "User LD0";
+		};
+	};
+};
+
+&shm0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	zipm_pool: zipm_pool@3fcbd400 {
+		compatible = "zipm,node-pool";
+		block-size = <32>;
+		nodes-quantity = <32>;
+		reg = <0x3fcbd400>;
+	};
+
+	zipm_doorbell_queue: zipm_doorbell_queue@3fcbd800 {
+		compatible = "zipm,shared-queue";
+		reg = <0x3fcbd800>;
+	};
+
+	zipm_rx_queue: zipm_rx_queue@3fcbdc00 {
+		compatible = "zipm,shared-queue";
+		reg = <0x3fcbdc00>;
+	};
+
+	zipm_device0: zipm_device {
+        compatible = "zipm,message-device";
+        status = "okay";
+        node-pool = <&zipm_pool>;
+        shared-queues = <&zipm_doorbell_queue &zipm_rx_queue>;
+        ipc = <&mbox0>;
+		tx-id = <1>;
+		rx-id = <0>;
+		should-init;
+    };
+};
+
+&mbox0 {
+	status = "okay";
+};

samples/ping-pong/tx/src/main.c

@@ -33,7 +33,7 @@ static void zipm_event_callback(const struct device *dev, int sq, void *user_dat
 			if(ret > 0) {
 				copied += block_size;
 			}
-		}while(ret != 0);		
+		}while(ret != 0);
 		printk("%lld: Other core said: %s \n", k_uptime_get(), (const char *)rx_msg);
 	}
 }
@@ -47,9 +47,9 @@ int main(void)
 	}
 
 	gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
-	
+
 	while(1) {
-		k_msleep(500);	
+		k_msleep(500);
 		zipm_send(handle, &tx_msg, sizeof(tx_msg), doorbell_queue, 0);
 	}