/**************************************************************************//**
* [url=home.php?mod=space&uid=288409]@file[/url] main.c
* [url=home.php?mod=space&uid=895143]@version[/url] V1.00
* $Revision: 1 $
* $Date: 14/07/15 2:52p $
* [url=home.php?mod=space&uid=247401]@brief[/url] ISD9100 Series PDMA Driver Sample Code
*
* @note
* Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
*
******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "ISD9100.h"
/*---------------------------------------------------------------------------------------------------------*/
/* Macro, type and constant definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define TEST_CH 3 // 0~3
uint32_t PDMA_TEST_LENGTH = 64;
uint8_t SrcArray[256];
uint8_t DestArray[256];
uint32_t volatile u32IsTestOver = 0xFF;
void PDMA_IRQHandler(void)
{
uint32_t status = PDMA_GET_INT_STATUS();
if(status & 0x1) /* CH0 */
{
if(PDMA_GET_CH_INT_STS(0) & 0x2)
u32IsTestOver = 0;
PDMA_CLR_CH_INT_FLAG(0, PDMA_CHIF_TXOKIF_Msk);
}
else if(status & 0x2) /* CH1 */
{
if(PDMA_GET_CH_INT_STS(1) & 0x2)
u32IsTestOver = 1;
PDMA_CLR_CH_INT_FLAG(1, PDMA_CHIF_TXOKIF_Msk);
}
else if(status & 0x4) /* CH2 */
{
if(PDMA_GET_CH_INT_STS(2) & 0x2)
u32IsTestOver = 2;
PDMA_CLR_CH_INT_FLAG(2, PDMA_CHIF_TXOKIF_Msk);
}
else if(status & 0x8) /* CH3 */
{
if(PDMA_GET_CH_INT_STS(3) & 0x2)
u32IsTestOver = 3;
PDMA_CLR_CH_INT_FLAG(3, PDMA_CHIF_TXOKIF_Msk);
}
else
printf("unknown interrupt !!\n");
}
void SYS_Init(void)
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init System Clock */
/*---------------------------------------------------------------------------------------------------------*/
/* Unlock protected registers */
SYS_UnlockReg();
/* Enable External XTL32K */
CLK_EnableXtalRC(CLK_PWRCTL_LXTEN_Msk);
/* Enable External OSC49M */
CLK_EnableXtalRC(CLK_PWRCTL_HIRCEN_Msk);
/* Enable External OSC10K */
CLK_EnableXtalRC(CLK_PWRCTL_LIRCEN_Msk);
/* Switch HCLK clock source to HXT */
CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_HIRC, CLK_CLKSEL0_HIRCFSEL_48M, CLK_CLKDIV0_HCLK(1));
/* Enable IP clock */
CLK_EnableModuleClock(UART_MODULE);
CLK_EnableModuleClock(PDMA_MODULE);
/* Update System Core Clock */
/* User can use SystemCoreClockUpdate() to calculate SystemCoreClock. */
SystemCoreClockUpdate();
/* Update System Core Clock */
/* User can use SystemCoreClockUpdate() to calculate PllClock, SystemCoreClock and CycylesPerUs automatically. */
SystemCoreClockUpdate();
/*---------------------------------------------------------------------------------------------------------*/
/* Init I/O Multi-function */
/*---------------------------------------------------------------------------------------------------------*/
/* Set GPA multi-function pins for UART0 RXD and TXD */
SYS->GPA_MFP = (SYS->GPA_MFP & (~SYS_GPA_MFP_PA8MFP_Msk) ) | SYS_GPA_MFP_PA8MFP_UART_TX;
SYS->GPA_MFP = (SYS->GPA_MFP & (~SYS_GPA_MFP_PA9MFP_Msk) ) | SYS_GPA_MFP_PA9MFP_UART_RX;
/* Lock protected registers */
SYS_LockReg();
}
void UART_Init(void)
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UR */
/*---------------------------------------------------------------------------------------------------------*/
/* Reset IP */
SYS_ResetModule(UART0_RST);
/* Configure UART0 and set UART0 Baudrate(115200) */
UART_Open( UART0,115200 );
}
/*---------------------------------------------------------------------------------------------------------*/
/* Main Function */
/*---------------------------------------------------------------------------------------------------------*/
int32_t main(void)
{
int32_t i;
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Init UART0 for printf */
UART_Init();
printf("\n\nCPU [url=home.php?mod=space&uid=72445]@[/url] %dHz <%d>\n", SystemCoreClock, TEST_CH);
printf("+--------------------------------------+ \n");
printf("| ISD9100 PDMA Driver Sample Code | \n");
printf("+--------------------------------------+ \n");
memset(SrcArray,0,256);
memset(DestArray,0,256);
for (i=0;i<256;i++) SrcArray[i]=i;
/* Open Channel TEST_CH */
PDMA_Open(1 << TEST_CH);
PDMA_SetTransferCnt(TEST_CH, PDMA_WIDTH_32, PDMA_TEST_LENGTH);
PDMA_SetTransferAddr(TEST_CH, (uint32_t)SrcArray, PDMA_SAR_INC, (uint32_t)DestArray, PDMA_DAR_INC);
PDMA_EnableInt(TEST_CH, PDMA_INTENCH_TXOKIEN_Msk);
NVIC_EnableIRQ(PDMA_IRQn);
u32IsTestOver = 0xFF;
PDMA_Trigger(TEST_CH);
while(u32IsTestOver == 0xFF);
if(u32IsTestOver == TEST_CH)
{
for (i=0;i<256;i++)
{
if (SrcArray[i]!=DestArray[i])
{
printf("data compare error...\n");
while (1);
}
}
printf("test done...\n");
PDMA_Close();
while (1);
}
while (1);
}
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