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--- notes:code8051 [2024/01/25 17:49] – [Codes for NMK322] azman
+++ notes:code8051 [2024/11/11 11:50] (current) – removed azman
@@ Line 1: / Line 1: @@
-====== 8051 Codes ======
-Example codes (in C) for the classical Intel-8051 (mcu51) microcontroller core. Using my1code51 library. Tested using sdcc open source compiler and stc12 device.
-===== Codes for NMK322 =====
-++++ Testing IR module and HC-SR04 ultrasonic sensor module. |
-<file c test0.c>
-/*----------------------------------------------------------------------------*/
-#include "uart.h"
-#include "timer.h"
-#define FPSIZE 2
-#include "utils_float.h"
-#define _LCD_4BIT_INTERFACE_
-/** DB4-DB7 => P0 (UPPER NIBBLE) */
-/** E => P0.2 : NEEDS -ve EDGE */
-/** R/W => P0.1 : 0=WR 1=RD */
-/** RS => P0.0 : 0=CMD 1=DAT */
-#include "textlcd.h"
-/*----------------------------------------------------------------------------*/
-/**
- * Testing IR module and HC-SR04 ultrasonic sensor module
- * - display on both uart and lcd
-**/
-/*----------------------------------------------------------------------------*/
-MY1SBIT(IRMOD,PIN10);
-MY1SBIT(TRIG,PIN16);
-MY1SBIT(ECHO,PIN17);
-/*----------------------------------------------------------------------------*/
-MY1SBIT(TEST_IR,PIN14);
-MY1SBIT(TEST_HC,PIN15);
-/*----------------------------------------------------------------------------*/
-#define FLAG_IR 0x01
-#define FLAG_HC 0x02
-/*----------------------------------------------------------------------------*/
-void main(void) {
-	unsigned char wait;
-	unsigned int tval,loop, flag;
-	float fval, dist;
-	char buff[16];
-	uart_init();
-	uart_puts("\r\nTESTING NMK322 STUFFS\r\n");
-	lcd_init();
-	lcd_goto_line1();
-	lcd_puts("TESTKIT 4 NMK322");
-	timer_init();
-	flag = 0;
-	while (1) {
-		if (TEST_IR==0) {
-			if ((flag&FLAG_IR)==0) {
-				lcd_goto_line1();
-				lcd_puts("TEST 4 IR MODULE");
-				uart_puts("\r\nTESTING IR MODULE\r\n");
-				flag = FLAG_IR;
-			}
-			lcd_goto_line2();
-			lcd_puts("                ");
-			lcd_goto_line2();
-			lcd_puts("Waiting... ");
-			uart_puts("\r\nWaiting... ");
-			while (IRMOD); // outputs logic low when obstacle detected
-			lcd_puts("|*");
-			uart_puts("|*");
-			while (!IRMOD);
-			lcd_puts("|");
-			uart_puts("|\r\n");
-			for (loop=65000;loop;loop--);
-		}
-		if (TEST_HC==0) {
-			if ((flag&FLAG_HC)==0) {
-				lcd_goto_line1();
-				lcd_puts("TEST HC-SR04 MOD");
-				uart_puts("\r\nTESTING HC-SR04 MODULE\r\n");
-				flag = FLAG_HC;
-			}
-			lcd_goto_line2();
-			lcd_puts("                ");
-			lcd_goto_line2();
-			timer_prep(0);
-			TRIG = 1;
-			for (wait=10;wait;wait--); // arounf 10us?
-			TRIG = 0;
-			while (!ECHO); timer_exec();
-			while (ECHO); timer_stop();
-			tval = ((unsigned int)TH0<<8)|TL0;
-			fval = (float)tval * 1.085; // in us
-			dist = fval / 58.0; // in cm
-			lcd_puts("Dist:");
-			uart_puts("-- Distance=");
-			float2str(buff,dist);
-			lcd_puts(buff);
-			lcd_puts("cm");
-			uart_puts(buff);
-			uart_puts(" cm\r\n");
-			for (loop=65000;loop;loop--);
-		}
-	}
-}
-/*----------------------------------------------------------------------------*/
-</file>
-++++
-++++ Testing HC06 bluetooth module , TowerPro MG996R servo & Text LCD. |
-<file c nmk322_test1.c>
-/*----------------------------------------------------------------------------*/
-/**
- * Testing HC06 bluetooth module , TowerPro MG996R servo & Text LCD
- * - note: servo pin (1|orange:PWM)(2|red:vcc)(3|brown:ground)
-**/
-/*----------------------------------------------------------------------------*/
-#define BTNAME "nmk322bt"
-#define BTPASS "0000"
-#include "hc06.h"
-#include "uart.h"
-#include "timer.h"
-#include "utils.h"
-/*----------------------------------------------------------------------------*/
-/** interface as defined in nmk322 lab module */
-#define _LCD_8BIT_INTERFACE_
-#define _LCD_PINS_DEFINED_
-MY1SFR(LCD_DATA,0xA0);
-MY1SBIT(LCD_BUSY,0xA7);
-MY1SBIT(LCD_DNC,0x87);
-MY1SBIT(LCD_RNW,0x86);
-MY1SBIT(LCD_ENB,0x85);
-/*----------------------------------------------------------------------------*/
-#include "textlcd.h"
-/*----------------------------------------------------------------------------*/
-#define SERVO_PIN P1_0
-#include "servo.h"
-/*----------------------------------------------------------------------------*/
-MY1SBIT(GO000,PIN15);
-MY1SBIT(GO1MS,PIN16);
-MY1SBIT(GO2MS,PIN17);
-/*----------------------------------------------------------------------------*/
-#define BUFFSIZE 128
-/*----------------------------------------------------------------------------*/
-__xdata char buff[BUFFSIZE];
-/*----------------------------------------------------------------------------*/
-void main(void) {
-	unsigned char curr, test;
-	GO000 = 1; GO1MS = 1; GO2MS = 1;
-	timer_init();
-	servo_init();
-	lcd_init();
-	lcd_goto_line1();
-	lcd_puts("NMK322 SV/LCD/BT");
-	uart_init();
-	uart_puts("NMK322 SV/LCD/BT\r\n\r\n");
-	hc06_init();
-	curr = 3;
-	do {
-		uart_puts("-- Sending AT... ");
-		hc06_find();
-		if (hc06_wait_ok()==HC06_OK) {
-			uart_puts("OK.\r\n");
-			uart_puts("\r\nSet default name & pin\r\n");
-			uart_puts("-- Set Name (");
-			uart_puts(BTNAME);
-			uart_puts("): ");
-			hc06_setname(buff,BUFFSIZE);
-			uart_puts(buff);
-			uart_puts("\r\n");
-			timer_delay1s(test,1);
-			/* set pass */
-			uart_puts("-- Set Pin (");
-			uart_puts(BTPASS);
-			uart_puts("): ");
-			hc06_setpin(buff,BUFFSIZE);
-			uart_puts(buff);
-			uart_puts("\r\n");
-			timer_delay1s(test,1);
-			break;
-		}
-		uart_puts("timeout.\n");
-		timer_delay1s(test,1);
-	} while (--curr);
-	while (1) {
-		if (hc06_peek()) {
-			if (hc06_wait(buff,BUFFSIZE)>1) {
-				if (buff[0]=='#') {
-					curr = (unsigned char) str2uint(&buff[1]);
-					if (curr>=5&&curr<=25) {
-						uart_puts("## Turning to (");
-						uart_puts(&buff[1]);
-						uart_puts(")\r\n");
-						servo_turn(curr);
-					} else {
-						uart_puts("** Invalid angle (");
-						uart_puts(&buff[1]);
-						uart_puts(")\r\n");
-					}
-				} else {
-					uart_puts(">> ");
-					uart_puts(buff);
-					uart_puts("\r\n");
-				}
-			}
-		}
-		if (GO000==0) {
-			lcd_goto_line2();
-			lcd_puts("ServoTurn CENTER");
-			servo_turn(15);
-			while (!GO000);
-			lcd_goto_line2();
-			lcd_puts("                ");
-		}
-		if (GO1MS==0) {
-			lcd_goto_line2();
-			lcd_puts("ServoTurn PWM1ms");
-			servo_turn(10); // 1ms pwm
-			while (!GO1MS);
-			lcd_goto_line2();
-			lcd_puts("                ");
-		}
-		if (GO2MS==0) {
-			lcd_goto_line2();
-			lcd_puts("ServoTurn PWM2ms");
-			servo_turn(20); // 2ms pwm
-			while (!GO2MS);
-			lcd_goto_line2();
-			lcd_puts("                ");
-		}
-	}
-}
-/*----------------------------------------------------------------------------*/
-</file>
-++++
-===== Code: relay =====
-++++ Testing basic relay. |
-<file c relay.c>
-/*----------------------------------------------------------------------------*/
-#include "timer.h"
-#include "uart.h"
-/*----------------------------------------------------------------------------*/
-MY1SBIT(DRIVE,PIN20);
-MY1SBIT(INPUT,PIN10);
-/*----------------------------------------------------------------------------*/
-void main(void) {
-	unsigned char wait;
-	timer_init();
-	uart_init();
-	uart_puts("\nTESTING RELAY\n");
-	DRIVE = 1; /* active low */
-	INPUT = 1;
-	while(1) {
-		if (INPUT==0) {
-			uart_puts("-- Switch ON... ");
-			DRIVE = 0;
-			wait = 3*TIMER_LOOP_1S;
-			do { timer_wait(TIMER_VAL50MS); } while (--wait);
-			uart_puts("OFF.\n");
-			DRIVE = 1;
-			while (!INPUT);
-		}
-	}
-}
-/*----------------------------------------------------------------------------*/
-</file>
-++++
-===== Code: gtuc51 =====
-++++ Test code for the old GTUC51B001 development board. |
-<file c gtuc51.c>
-/*----------------------------------------------------------------------------*/
-/**
- * Demo program for gtuc51 (with io board)
-**/
-/*----------------------------------------------------------------------------*/
-#include "adc0831.h"
-#include "keypad_922.h"
-#include "textlcd.h"
-#include "utils_float.h"
-/*----------------------------------------------------------------------------*/
-/**
- * Switch & LED Interface for gtuc51 i/o board
- *   - multiplexed (dual/purpose)
- *   - require jumper link settings!
-**/
-/** SW0, SW1 => P3.3, P3.2 - LAYOUT ERROR */
-__sbit __at (0xB3) SW0;
-__sbit __at (0xB2) SW1;
-/** LED{0-3} => P3.4-P3.7 */
-__sbit __at (0xB4) LED0;
-__sbit __at (0xB5) LED1;
-__sbit __at (0xB6) LED2;
-__sbit __at (0xB7) LED3;
-/** LED{RX,TX} => P3.1, P3.0 - LAYOUT ERROR */
-__sbit __at (0xB1) LEDRX;
-__sbit __at (0xB0) LEDTX;
-/** alias LEDX=-2 and LEDY=-1 (LEFT OF LED0) **/
-__sbit __at (0xB1) LEDX;
-__sbit __at (0xB0) LEDY;
-/*----------------------------------------------------------------------------*/
-char display[LCD_MAX_CHAR];
-unsigned char lcdi, loop;
-float value;
-keybyte_t keyin;
-adcbyte_t check;
-__bit adc, adcgo, left, demo;
-/*----------------------------------------------------------------------------*/
-#define DEMO_IO 1
-#define DEMO_ADC 0
-/*----------------------------------------------------------------------------*/
-#define LOOP_COUNT 20
-/*----------------------------------------------------------------------------*/
-/* interrupt service routine for timer0 */
-void timer_blink(void) __interrupt TF0_VECTOR {
-	TR0 = 0; loop--;
-	P1 = ~P1;
-	if (loop==0) {
-		if (!left) {
-			loop = LED0; LED0 = LED1; LED1 = LED2; LED2 = LED3;
-			LED3 = LEDX; LEDX = LEDY; LEDY = loop;
-		}
-		else {
-			loop = LED3; LED3 = LED2; LED2 = LED1; LED1 = LED0;
-			LED0 = LEDY; LEDY = LEDX; LEDX = loop;
-		}
-		loop = LOOP_COUNT;
-	}
-	TH0 = 0x4B; TL0 = 0xFD; TR0 = 1; /** 50ms */
-}
-/*----------------------------------------------------------------------------*/
-/* interrupt service routine for timer1 */
-void timer_goadc(void) __interrupt TF1_VECTOR {
-	TR1 = 0; TH1 = 0x4B; TL1 = 0xFD;
-	if (loop>0) {
-		TR1 = 1; /** 50ms */
-		loop--;
-	}
-	else {
-		loop = LOOP_COUNT;
-		adcgo = adc;
-	}
-}
-/*----------------------------------------------------------------------------*/
-/* interrupt service routine for int1 */
-void check_switch0(void) __interrupt IE1_VECTOR {
-	left = 0;
-	if (lcdi<LCD_MAX_CHAR) {
-		lcd_data(0x30);
-		lcdi++;
-	}
-}
-/*----------------------------------------------------------------------------*/
-/* interrupt service routine for int0 */
-void check_switch1(void) __interrupt IE0_VECTOR {
-	left = 1;
-	if (lcdi<LCD_MAX_CHAR) {
-		lcd_data(0x31);
-		lcdi++;
-	}
-}
-/*----------------------------------------------------------------------------*/
-/* main function */
-void main(void) {
-	/** initalize stuffs */
-	demo = DEMO_IO; /* default... just in case */
-	TMOD = 0x11; P1 = 0xFF; P3 = 0xFF;
-	lcd_init();
-	lcd_goto_line1();
-	lcd_puts("8051 Select Demo");
-	lcd_goto_line2();
-	lcd_puts("[SW0]IO [SW1]ADC");
-	/* wait for user key press */
-	while (1) {
-		if (!SW0) {
-			demo = DEMO_IO; /* demo switch, led, keypad and P1 */
-			while(!SW0); /** wait until the user press & let go */
-			break;
-		}
-		else if (!SW1) {
-			demo = DEMO_ADC; /* demo adc */
-			while(!SW1);
-			break;
-		}
-	}
-	/* select! */
-	if (demo==DEMO_IO) {
-		lcd_goto_line1();
-		lcd_puts("MY18051 I/O DEMO");
-		lcd_goto_line2();
-		lcd_puts("                ");
-		lcd_goto_line2();
-		/** set timer 0 overflow every 50ms - with interrupt handler */
-		loop = LOOP_COUNT; lcdi = 0; left = 0;
-		P1 = 0xAA; LED0 = 0; IT0 = 1; IT1 = 1;
-		EA = 1; ET0 = 1; EX0 = 1; EX1 = 1;
-		TH0 = 0x4B; TL0 = 0xFD; TR0 = 1;
-		/** main loop */
-		while (1) {
-			keyin = key_wait_922();
-			if (keyin<10&&lcdi<LCD_MAX_CHAR) { /** numeric key! */
-				lcd_data(keyin+0x30);
-				lcdi++;
-			}
-			else if(keyin==0x0F) { /** '#' key! */
-				lcd_goto_line2();
-				lcd_puts("HASHED!         ");
-				lcd_goto_line2();
-				lcdi = LCD_MAX_CHAR;
-			}
-			else if(keyin==0x0E) { /** '*' key! */
-				lcd_goto_line2();
-				lcd_puts("                ");
-				lcd_goto_line2();
-				lcdi = 0;
-			}
-		}
-	}
-	else {
-		lcd_goto_line1();
-		lcd_puts("MY18051 ADC DEMO");
-		lcd_goto_line2();
-		lcd_puts("SW0:ADC, SW1:CLR");
-		/* initialize adc */
-		adc_init();
-		adc = 0; adcgo = 0; EA = 1;
-		/** adc status indicator */
-		LEDRX = adc; LEDTX = !adc;
-		/** main loop */
-		while (1) {
-			if (!SW0) {
-				while (!SW0); /** wait until the user lets go */
-				adc = !adc;
-				adcgo = adc;
-				if (!adcgo) {
-					ET1 = 0; TR1 = 0;
-					lcd_puts("*");
-				}
-				LEDRX = adc; LEDTX = !adc;
-			}
-			else if(!SW1) {
-				while (!SW1); /** wait until the user lets go */
-				lcd_goto_line2();
-				lcd_puts("SW0:ADC, SW1:CLR");
-			}
-			if (adcgo) {
-				adcgo = 0;
-				lcd_goto_line2();
-				lcd_puts("                ");
-				/** read adc */
-				check = adc_get_data();
-				value = ((float) check / 255.0) * VREF;
-				lcd_goto_line2();
-				lcd_puts("ADC: ");
-				float2str(display,value);
-				lcd_puts(display);
-				lcd_puts(" (");
-				int2str(display,check);
-				lcd_puts(display);
-				lcd_puts(")");
-				/** set timer 1 overflow every 50ms - with interrupt handler */
-				ET1 = 1; TH1 = 0x4B; TL1 = 0xFD; TR1 = 1;
-			}
-		}
-	}
-}
-/*----------------------------------------------------------------------------*/
-</file>
-++++