162 lines
2.3 KiB
C
162 lines
2.3 KiB
C
#include <8052.h>
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#include "ax110xx.h"
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#include "interrupt_ax110xx.h"
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#include "cpu_ax110xx.h"
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#include "types_ax110xx.h"
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#include "uart/uart.h"
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#define ERASE_EVENT 1
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#define WRITE_EVENT 2
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#define READ_EVENT 3
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extern void ax11000_PeripherialISR(void) __interrupt 9;
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#if UART0_ENABLE
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extern void uart0_ISR(void) __interrupt 4 __using 2;
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#endif
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#if UART1_ENABLE
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extern void uart1_ISR(void) __interrupt 6 __using 2;
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#endif
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volatile unsigned char hi_flag = 1;
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volatile unsigned char timer = 0;
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volatile unsigned char tstate = 0;
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void timer0_irq_proc(void) __interrupt 1 using 2
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{
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timer++;
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if (timer == 0)
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{
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tstate = 1;
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}
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switch(tstate)
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{
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case 1:
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case 16:
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P1_0 = 0;
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break;
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case 8:
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case 24:
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P1_0 = 1;
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break;
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default: break;
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}
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if(tstate)
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tstate++;
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TR0 = 0; /* Stop Timer 0 counting */
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TH0 = 0x00;
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TL0 = 0x00;
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TR0 = 1; /* Start counting again */
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}
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void pause(unsigned char len)
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{
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unsigned char a;
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unsigned int b;
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a=len;
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b=0xFFFF;
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while(a--)
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{
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while(b--)
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{
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__asm
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nop
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__endasm;
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}
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}
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}
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unsigned char _sdcc_external_startup()
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{
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return 0;
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}
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void putstring(char *string)
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{
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unsigned char sc;
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sc = 0;
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while(string[sc] != 0)
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putchar(string[sc++]);
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}
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const char hval[16] = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' };
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void putHexB(unsigned char b)
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{
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putchar(hval[b>>4]);
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putchar(hval[b&0x0F]);
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}
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void putHexW(unsigned int w)
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{
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putHexB(w>>8);
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putHexB(w&0xFF);
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}
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void putHexD(unsigned long d)
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{
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putHexW(d>>16);
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putHexW(d&0xFFFF);
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}
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void main(void)
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{
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AX11000_Init();
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switch (CSREPR & (BIT6|BIT7))
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{
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case SCS_100M :
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goto three;
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break;
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case SCS_50M :
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goto two;
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break;
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case SCS_25M :
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goto one;
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break;
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}
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goto none;
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three:
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P1 = 0x00;
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pause(0x07);
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P1 = 0xFF;
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pause(0x07);
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two:
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P1 = 0x00;
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pause(0x07);
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P1 = 0xFF;
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pause(0x07);
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one:
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P1 = 0x00;
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pause(0x07);
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P1 = 0xFF;
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none:
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TCON = 0; /* timer control register, byte operation */
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TH0 = 0x00;
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TL0 = 0x00;
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TR0 = 1; /* start timer0 */
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ET0 = 1; /* Enable Timer 0 overflow interrupt IE.1 */
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TI = 0; /* clear this out */
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UART_SetPort(0);
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TMOD = (TMOD & 0xF0) | 0x01; /* timer control mode, byte operation */
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EA = 1; /* Enable Interrupts */
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while (1)
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{
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pause(0x0F);
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putstring("Hello World!\n\r");
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}
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}
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