1 files changed, 124 insertions, 0 deletions
diff --git a/examples/imx7d_val_m4/demo_apps/ecspi_flash_demo/main.c b/examples/imx7d_val_m4/demo_apps/ecspi_flash_demo/main.c
new file mode 100644
index 0000000..013ff42
--- /dev/null
+++ b/examples/imx7d_val_m4/demo_apps/ecspi_flash_demo/main.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "FreeRTOS.h"
+#include "task.h"
+#include "board.h"
+#include "uart_imx.h"
+#include "debug_console_imx.h"
+#include "ecspi_xfer.h"
+#include "spi_memory.h"
+#include "clock_freq.h"
+
+/* define ECSPI module parameters configuration. */
+#define ECSPI_BURSTLENGTH               (39)
+#define ECSPI_STARTMODE                 (false)
+
+/* buffer used to transfer data */
+static uint8_t txData[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+                          0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00};
+static uint8_t rxData[32] = {0};
+
+/******************************************************************************
+*
+* Function Name: vMemoryTask
+* Comments: this task is used to operate memory, such as read status, write data 
+*           in memory and read data from memory.
+*
+******************************************************************************/
+void vMemoryTask(void *pvParameters)
+{
+    PRINTF("\n--------------------------- ECSPI Flash Demo ----------------------------\n\n\r");
+    PRINTF("This demo application demonstrates usage of ECSPI driver based on FreeRTOS.\n\r");
+    PRINTF("It transfers data to/from external memory over SPI bus.\n\n\r");
+  
+    PRINTF("Start Flash Memory Operating!\n\r");
+    /* start SPI serial flash memory operation */
+    /* Read the flash memory status register */
+    M25P32_ReadStatus();
+
+    /* Disable protection */
+    M25P32_SetProtection(false);
+
+    /* Erase memory before tests, user can erase the memory according to need */
+    //M25P32_EraseChip();
+
+    /* write data to memory */
+    M25P32_WriteData(SPI_MEMORY_ADDR2, 32, txData);
+
+    /* read data from memory */
+    M25P32_ReadData(SPI_MEMORY_ADDR2, 32, rxData);
+
+    PRINTF("Finish Flash Memory Operating!\n\r");
+
+    for(;;);
+}
+
+/******************************************************************************
+*
+* Function Name: main
+* Comments: main function, MCU configured as master mode, read from and write to
+*           flash memory with FreeRTOS.
+*
+******************************************************************************/
+int main(void)
+{
+    /* Hardware initialiize, include RDC, CLOCK, IOMUX, ENABLE MODULE */
+    hardware_init();
+
+    /* Ecspi module initialize, include configure parameters */
+    ecspi_init_t ecspiInitConfig = {
+        .clockRate = get_ecspi_clock_freq(BOARD_ECSPI_BASEADDR),
+        .baudRate = 500000,
+        .mode = ecspiMasterMode,
+        .burstLength = ECSPI_BURSTLENGTH,
+        .channelSelect = BOARD_ECSPI_CHANNEL,
+        .clockPhase = ecspiClockPhaseFirstEdge,
+        .clockPolarity = ecspiClockPolarityActiveHigh,
+        .ecspiAutoStart = ECSPI_STARTMODE
+    };
+    ECSPI_XFER_Config(&ecspiInitConfig);
+
+    /* Create two tasks with different priority */
+    xTaskCreate(vMemoryTask, "memory", configMINIMAL_STACK_SIZE,
+	            NULL, tskIDLE_PRIORITY+1, NULL);
+
+    /* Start task schedule */
+    vTaskStartScheduler();
+
+    for(;;);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/