117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
//*--------------------------------------------------------------------------------------
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//* ATMEL Microcontroller Software Support - ROUSSET -
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//*--------------------------------------------------------------------------------------
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//* The software is delivered "AS IS" without warranty or condition of any
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//* kind, either express, implied or statutory. This includes without
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//* limitation any warranty or condition with respect to merchantability or
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//* fitness for any particular purpose, or against the infringements of
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//* intellectual property rights of others.
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//*--------------------------------------------------------------------------------------
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//* File Name : main.c
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//* Object : Testr USB device
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//* Translator :
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//* 1.0 19/03/01 HI : Creation
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//* 1.1 02/10/02 FB : Add on Svc DataFlash
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//* 1.2 13/Sep/04 JPP : Add DBGU
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//* 1.3 16/Dec/04 JPP : Add USART and enable reset
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//* 1.4 27/Apr/05 JPP : Unset the USART_COM and suppress displaying data
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//*--------------------------------------------------------------------------------------
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//#include "board.h"
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#include "dbgu.h"
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#include "pcd_enumerate.h"
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#define MSG_SIZE 1000
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#if 0
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#define USART_COM
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#if defined(__WinARM__) && !defined(UART_COM)
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#warning "make sure syscalls.c is added to the source-file list (see makefile)"
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#endif
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#endif
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//* external function
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extern void Usart_init(void);
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extern void AT91F_US_Put(char *buffer); // \arg pointer to a string ending by \0
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extern void Trace_Toggel_LED(unsigned int led);
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struct _AT91S_CDC pCDC;
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//*----------------------------------------------------------------------------
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//* \fn AT91F_USB_Open
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//* \brief This function Open the USB device
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//*----------------------------------------------------------------------------
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void AT91F_USB_Open(void)
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{
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// Set the PLL USB Divider
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AT91C_BASE_CKGR->CKGR_PLLR |= AT91C_CKGR_USBDIV_1;
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// Specific Chip USB Initialisation
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// Enables the 48MHz USB clock UDPCK and System Peripheral USB Clock
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AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UDP;
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AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_UDP);
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// Enable UDP PullUp (USB_DP_PUP) : enable & Clear of the corresponding PIO
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// Set in PIO mode and Configure in Output
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AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, AT91C_PIO_PA16);
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// Clear for set the Pul up resistor
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AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, AT91C_PIO_PA16);
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// CDC Open by structure initialization
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AT91F_CDC_Open(&pCDC, AT91C_BASE_UDP);
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}
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//*--------------------------------------------------------------------------------------
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//* Function Name : main
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//* Object :
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//*--------------------------------------------------------------------------------------
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int main(void)
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{
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char data[MSG_SIZE];
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unsigned int length;
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#ifndef USART_COM
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char message[30];
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// Init trace DBGU
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AT91F_DBGU_Init();
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AT91F_DBGU_Printk
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("\n\r-I- Basic USB loop back\n\r 0) Set Pull-UP 1) Clear Pull UP\n\r");
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#else
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// Set Usart in interrupt
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AT91F_DBGU_Init();
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Usart_init();
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AT91F_DBGU_Printk("\n\r-I- Basic USART USB\n\r");
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#endif
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// Enable User Reset and set its minimal assertion to 960 us
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AT91C_BASE_RSTC->RSTC_RMR =
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AT91C_RSTC_URSTEN | (0x4 << 8) | (unsigned int)(0xA5 << 24);
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// Init USB device
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AT91F_USB_Open();
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// Init USB device
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while (1) {
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// Check enumeration
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if (pCDC.IsConfigured(&pCDC)) {
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#ifndef USART_COM
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// Loop
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length = pCDC.Read(&pCDC, data, MSG_SIZE);
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pCDC.Write(&pCDC, data, length);
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/// mt sprintf(message,"-I- Len %d:\n\r",length);
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siprintf(message, "-I- Len %d:\n\r", length);
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// send char
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AT91F_DBGU_Frame(message);
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#else
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// Loop
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length = pCDC.Read(&pCDC, data, MSG_SIZE);
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data[length] = 0;
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Trace_Toggel_LED(LED1);
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AT91F_US_Put(data);
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/// AT91F_DBGU_Frame(data);
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#endif
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}
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}
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}
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