- /**************************************************************************//**
- * [url=home.php?mod=space&uid=288409]@file[/url] main.c
- * [url=home.php?mod=space&uid=895143]@version[/url] V1.00
- * $Date: 15/09/02 10:03a $
- * @brief
- * NuEdu-SDK-M451 SPI Flash with PDMA sample code.
- Use PDMA Channel 11 to transfer Data from Memmory to SPI Flash
- and PDMA Channel 10 to receive Data from SPI Flash to Memmory.
- *
- * @note
- * Copyright (C) 2014~2015 Nuvoton Technology Corp. All rights reserved.
- *
- ******************************************************************************/
- #include <stdio.h>
- #include "M451Series.h"
- #include "NuEdu-Basic01.h"
- #define PLL_CLOCK 72000000
- #define TEST_NUMBER 10 /* page numbers */
- #define TEST_LENGTH 255 /* length */
- #define SPI_TX_DMA_CH 1
- #define SPI_RX_DMA_CH 2
- unsigned char SrcArray[256];
- unsigned char DestArray[256];
- void UART0_Init(void)
- {
- /* Enable IP clock */
- CLK_EnableModuleClock(UART0_MODULE);
- /* Select UART module clock source as HXT and UART module clock divider as 1 */
- CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UARTSEL_HXT, CLK_CLKDIV0_UART(1));
- /*---------------------------------------------------------------------------------------------------------*/
- /* Init I/O Multi-function */
- /*---------------------------------------------------------------------------------------------------------*/
- /* Set PD multi-function pins for UART0 RXD(PD.6) and TXD(PD.1) */
- SYS->GPD_MFPL &= ~(SYS_GPD_MFPL_PD6MFP_Msk | SYS_GPD_MFPL_PD1MFP_Msk);
- SYS->GPD_MFPL |= (SYS_GPD_MFPL_PD6MFP_UART0_RXD | SYS_GPD_MFPL_PD1MFP_UART0_TXD);
- /*---------------------------------------------------------------------------------------------------------*/
- /* Init UART */
- /*---------------------------------------------------------------------------------------------------------*/
- /* Reset UART module */
- SYS_ResetModule(UART0_RST);
- /* Configure UART0 and set UART0 baud rate */
- UART_Open(UART0, 115200);
- }
- /*---------------------------------------------------------------------------------------------------------*/
- /* Main Function */
- /*---------------------------------------------------------------------------------------------------------*/
- int32_t main(void)
- {
- unsigned int u32ByteCount;
- unsigned int u32PageNumber;
- unsigned int u32ProgramFlashAddress = 0;
- unsigned int u32VerifyFlashAddress = 0;
- unsigned int MidDid;
- /* Initial system */
- SYS_Init();
- /* Init UART0 to 115200-8n1 for print message */
- UART0_Init();
- printf("\nHello World.\n");
- printf("PLL Clock = %d Hz\n", CLK_GetPLLClockFreq());
- printf("Core Clock = %d Hz\n\n", CLK_GetHCLKFreq());
- printf("+-------------------------------------------------------+\n");
- printf("| M451 Series SPI_Flash_w_PDMA Sample Code |\n");
- printf("+-------------------------------------------------------+\n");
- /* Open 7-Seg */
- Open_Seven_Segment();
- /* Open SPI for Serial Flash */
- Open_SPI_Flash();
- /* Enable IP clock */
- CLK_EnableModuleClock(PDMA_MODULE);
- /* Reset PDMA module */
- SYS_ResetModule(PDMA_RST);
- /* Read MID & DID */
- MidDid = SpiFlash_w_PDMA_ReadMidDid();
- printf("\nMID and DID = %x", MidDid);
- /* Erase SPI Flash */
- SpiFlash_w_PDMA_ChipErase();
- printf("\nFlash Erasing... ");
-
- /* Wait ready */
- SpiFlash_w_PDMA_WaitReady();
- printf("Done!");
- /* Fill the Source Data and clear Destination Data Buffer */
- for(u32ByteCount=0; u32ByteCount<256; u32ByteCount++){
- SrcArray[u32ByteCount] = u32ByteCount;
- DestArray[u32ByteCount] = 0;
- }
-
- u32ProgramFlashAddress = 0;
- u32VerifyFlashAddress = 0;
- for(u32PageNumber=0; u32PageNumber<TEST_NUMBER; u32PageNumber++){
- printf("\n\nTest Page Number = %d", u32PageNumber);
- Show_Seven_Segment(u32PageNumber,1);
- CLK_SysTickDelay(200000);
- /*=== Program SPI Flash ===*/
- printf("\nFlash Programming... ");
- /* Page Program */
- SpiFlash_w_PDMA_PageProgram((uint32_t)SrcArray, u32ProgramFlashAddress);
- SpiFlash_w_PDMA_WaitReady();
- u32ProgramFlashAddress += 0x100;
- printf("Done!");
- /*=== Read Back and Compare Data ===*/
- printf("\nFlash Verifying... ");
- /* Page Read */
- SpiFlash_w_PDMA_ReadData((uint32_t)DestArray, u32VerifyFlashAddress);
- u32VerifyFlashAddress += 0x100;
- for(u32ByteCount=0; u32ByteCount<256; u32ByteCount++){
- if(DestArray[u32ByteCount]!=u32ByteCount){
- /* Error */
- printf("SPI Flash R/W Fail!");
- while(1);
- }
- }
-
- /* Clear Destination Data Buffer */
- for(u32ByteCount=0; u32ByteCount<256; u32ByteCount++)
- DestArray[u32ByteCount] = 0;
- printf("Done!");
- }
- printf("\n\nSPI Flash Test Ok!");
- printf("\n\n");
- while(1);
-
- }
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