- /**************************************************************************//**
- * [url=home.php?mod=space&uid=288409]@file[/url] main.c
- * [url=home.php?mod=space&uid=895143]@version[/url] V3.00
- * $Revision: 5 $
- * $Date: 15/02/06 10:22a $
- * [url=home.php?mod=space&uid=247401]@brief[/url] Show how to set GPIO pin mode and use pin dataoutput control.
- * @note
- * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
- ******************************************************************************/
- #include <stdio.h>
- #include "M058S.h"
- #define PLL_CLOCK 50000000
- void SYS_Init(void)
- {
- /*---------------------------------------------------------------------------------------------------------*/
- /* Init System Clock */
- /*---------------------------------------------------------------------------------------------------------*/
- /* Enable Internal RC 22.1184MHz clock */
- CLK_EnableXtalRC(CLK_PWRCON_OSC22M_EN_Msk);
- /* Waiting for Internal RC clock ready */
- CLK_WaitClockReady(CLK_CLKSTATUS_OSC22M_STB_Msk);
- /* Switch HCLK clock source to Internal RC and HCLK source divide 1 */
- CLK_SetHCLK(CLK_CLKSEL0_HCLK_S_HIRC, CLK_CLKDIV_HCLK(1));
- /* Enable external XTAL 12MHz clock */
- CLK_EnableXtalRC(CLK_PWRCON_XTL12M_EN_Msk);
- /* Waiting for external XTAL clock ready */
- CLK_WaitClockReady(CLK_CLKSTATUS_XTL12M_STB_Msk);
- /* Set core clock as PLL_CLOCK from PLL */
- CLK_SetCoreClock(PLL_CLOCK);
- /* Enable UART module clock */
- CLK_EnableModuleClock(UART0_MODULE);
- /* Select UART module clock source */
- CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UART_S_PLL, CLK_CLKDIV_UART(1));
- /*---------------------------------------------------------------------------------------------------------*/
- /* Init I/O Multi-function */
- /*---------------------------------------------------------------------------------------------------------*/
- /* Set P3 multi-function pins for UART0 RXD and TXD */
- SYS->P3_MFP &= ~(SYS_MFP_P30_Msk | SYS_MFP_P31_Msk);
- SYS->P3_MFP |= (SYS_MFP_P30_RXD | SYS_MFP_P31_TXD);
- }
- void UART0_Init(void)
- {
- /*---------------------------------------------------------------------------------------------------------*/
- /* Init UART */
- /*---------------------------------------------------------------------------------------------------------*/
- /* Reset UART0 */
- SYS_ResetModule(UART0_RST);
- /* Configure UART0 and set UART0 Baudrate */
- UART_Open(UART0, 115200);
- }
- /*---------------------------------------------------------------------------------------------------------*/
- /* MAIN function */
- /*---------------------------------------------------------------------------------------------------------*/
- int main(void)
- {
- /* Unlock protected registers */
- SYS_UnlockReg();
- /* Init System, peripheral clock and multi-function I/O */
- SYS_Init();
- /* Lock protected registers */
- SYS_LockReg();
- /* Init UART0 for printf */
- UART0_Init();
- printf("\n\nCPU [url=home.php?mod=space&uid=72445]@[/url] %d Hz\n", SystemCoreClock);
- printf("+-------------------------------------------------------------------------------+\n");
- printf("| P3.6(Output) Sample Code |\n");
- printf("+-------------------------------------------------------------------------------+\n\n");
- /*-----------------------------------------------------------------------------------------------------*/
- /* GPIO Basic Mode Test --- Use Pin Data Input/Output to control GPIO pin */
- /*-----------------------------------------------------------------------------------------------------*/
- /* Configure P1.6 as Output mode */
- GPIO_SetMode(P3,BIT6, GPIO_PMD_OUTPUT);
- while(1)
- {
- GPIO_SET_OUT_DATA(P3, 0xff);
- CLK_SysTickDelay(500000);
- GPIO_SET_OUT_DATA(P3, 0x00);
- CLK_SysTickDelay(500000);
- }
- }
- /*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
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