Initial commit

Initial commit.

bootloader/mcuboot/boot/cypress/BlinkyApp/main.c

@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2020 Cypress Semiconductor Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+ /*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+ /*******************************************************************************/
+
+#include "system_psoc6.h"
+#include "cy_pdl.h"
+#include "cyhal.h"
+#include "cy_retarget_io.h"
+#include "watchdog.h"
+
+/* Define pins for UART debug output */
+
+#define CY_DEBUG_UART_TX (P5_1)
+#define CY_DEBUG_UART_RX (P5_0)
+
+#if defined(PSOC_062_2M)
+#warning "Check if User LED is correct for your target board."
+#define LED_PORT GPIO_PRT13
+#define LED_PIN 7U
+#elif defined(PSOC_062_1M)
+#define LED_PORT GPIO_PRT13
+#define LED_PIN 7U
+#elif defined(PSOC_062_512K)
+#define LED_PORT GPIO_PRT11
+#define LED_PIN 1U
+#endif
+
+#define LED_NUM 5U
+#define LED_DRIVEMODE CY_GPIO_DM_STRONG_IN_OFF
+#define LED_INIT_DRIVESTATE 1
+
+const cy_stc_gpio_pin_config_t LED_config =
+{
+    .outVal = 1,
+    .driveMode = CY_GPIO_DM_STRONG_IN_OFF,
+    .hsiom = HSIOM_SEL_GPIO,
+    .intEdge = CY_GPIO_INTR_DISABLE,
+    .intMask = 0UL,
+    .vtrip = CY_GPIO_VTRIP_CMOS,
+    .slewRate = CY_GPIO_SLEW_FAST,
+    .driveSel = CY_GPIO_DRIVE_FULL,
+    .vregEn = 0UL,
+    .ibufMode = 0UL,
+    .vtripSel = 0UL,
+    .vrefSel = 0UL,
+    .vohSel = 0UL,
+};
+
+#define WATCHDOG_UPD_MESSAGE  "[BlinkyApp] Update watchdog timer started in MCUBootApp to mark successful start of user app\r\n"
+#define WATCHDOG_FREE_MESSAGE "[BlinkyApp] Turn off watchdog timer\r\n"
+
+#ifdef BOOT_IMG
+    #define BLINK_PERIOD          (1000u)
+    #define GREETING_MESSAGE_VER  "[BlinkyApp] BlinkyApp v1.0 [CM4]\r\n"
+    #define GREETING_MESSAGE_INFO "[BlinkyApp] Red led blinks with 1 sec period\r\n"
+#elif defined(UPGRADE_IMG)
+    #define BLINK_PERIOD          (250u)
+    #define GREETING_MESSAGE_VER  "[BlinkyApp] BlinkyApp v2.0 [+]\r\n"
+    #define GREETING_MESSAGE_INFO "[BlinkyApp] Red led blinks with 0.25 sec period\r\n"
+#else
+    #error "[BlinkyApp] Please specify type of image: -DBOOT_IMG or -DUPGRADE_IMG\r\n"
+#endif
+
+void check_result(int res)
+{
+    if (res != CY_RSLT_SUCCESS) {
+        CY_ASSERT(0);
+    }
+}
+
+void test_app_init_hardware(void)
+{
+    /* enable interrupts */
+    __enable_irq();
+
+    /* Disabling watchdog so it will not interrupt normal flow later */
+    Cy_GPIO_Pin_Init(LED_PORT, LED_PIN, &LED_config);
+    /* Initialize retarget-io to use the debug UART port */
+    check_result(cy_retarget_io_init(CY_DEBUG_UART_TX, CY_DEBUG_UART_RX,
+                                     CY_RETARGET_IO_BAUDRATE));
+
+    printf("\n===========================\r\n");
+    printf(GREETING_MESSAGE_VER);
+    printf("===========================\r\n");
+
+    printf("[BlinkyApp] GPIO initialized \r\n");
+    printf("[BlinkyApp] UART initialized \r\n");
+    printf("[BlinkyApp] Retarget I/O set to 115200 baudrate \r\n");
+
+}
+
+int main(void)
+{
+    uint32_t blinky_period = BLINK_PERIOD;
+
+    test_app_init_hardware();
+
+    printf(GREETING_MESSAGE_INFO);
+
+    /* Update watchdog timer to mark successful start up of application */
+    printf(WATCHDOG_UPD_MESSAGE);
+    cy_wdg_kick();
+    printf(WATCHDOG_FREE_MESSAGE);
+    cy_wdg_free();
+
+    for (;;)
+    {
+        /* Toggle the user LED periodically */
+        Cy_SysLib_Delay(blinky_period/2);
+
+        /* Invert the USER LED state */
+        Cy_GPIO_Inv(LED_PORT, LED_PIN);
+    }
+    return 0;
+}