77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
#include <stdint.h>
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#include "core/usbcdc/usb.h"
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#include "core/usbcdc/usbcore.h"
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#include "core/usbcdc/usbhw.h"
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#include "core/usbcdc/cdcuser.h"
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#include "core/usbcdc/cdc_buf.h"
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#include <sysinit.h>
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#include "basic/basic.h"
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#include "lcd/render.h"
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#include "lcd/allfonts.h"
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volatile unsigned int lastTick;
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int puts(const char * str)
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{
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// There must be at least 1ms between USB frames (of up to 64 bytes)
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// This buffers all data and writes it out from the buffer one frame
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// and one millisecond at a time
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if (USB_Configuration)
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{
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while(*str)
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cdcBufferWrite(*str++);
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// Check if we can flush the buffer now or if we need to wait
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unsigned int currentTick = systickGetTicks();
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if (currentTick != lastTick)
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{
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uint8_t frame[64];
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uint32_t bytesRead = 0;
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while (cdcBufferDataPending())
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{
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// Read up to 64 bytes as long as possible
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bytesRead = cdcBufferReadLen(frame, 64);
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USB_WriteEP (CDC_DEP_IN, frame, bytesRead);
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systickDelay(1);
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}
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lastTick = currentTick;
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}
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}
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return 0;
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}
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void main_cdc(void)
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{
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int dx = 0;
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//lastTick = systickGetTicks(); // Used to control output/printf timing
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lcdPrintln("Init USB"); lcdRefresh();
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CDC_Init(); // Initialise VCOM
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USB_Init(); // USB Initialization
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USB_Connect(TRUE); // USB Connect
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// Wait until USB is configured or timeout occurs
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uint32_t usbTimeout = 0;
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while ( usbTimeout < CFG_USBCDC_INITTIMEOUT / 10 )
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{
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if (USB_Configuration) break;
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delayms(10); // Wait 10ms
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usbTimeout++;
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}
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lcdPrintln("Done"); lcdRefresh();
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uint8_t buf[2] = {0,0};
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int l;
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while(1){
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CDC_OutBufAvailChar(&l);
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if( l ){
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l = 1;
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CDC_RdOutBuf (buf, &l);
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puts(buf);
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dx=DoString(dx,0,buf);
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lcdDisplay();
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}
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//puts("hello world\r\n");
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//delayms(1);
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}
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}
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