--- /dev/null
+# $Id: Makefile,v 1.1 2010/06/26 12:28:08 simimeie Exp $
+# Makefile for HaWo Moodlight
+
+CC = avr-gcc
+OBJDUMP = avr-objdump
+OBJCOPY = avr-objcopy
+#AVRDUDE = avrdude
+AVRDUDE = /opt/avrdude-5.10/bin/avrdude
+INCDIR = .
+# There are a few additional defines that en- or disable certain features,
+# mainly to save space in case you are running out of flash.
+# You can add them here.
+# -DJOKECMDS Just some joke commands
+ADDDEFS = -DJOKECMDS
+
+# target mcu (atmega328p or atmega168p)
+MCU = atmega328p
+# Since avrdude is generally crappy software (I liked uisp a lot better, too
+# bad the project is dead :-/), it cannot use the MCU name everybody else
+# uses, it has to invent its own name for it. So this defines the same
+# MCU as above, but with the name avrdude understands.
+AVRDMCU = m328p
+
+# Some more settings
+# Clock Frequency of the AVR. Needed for various calculations.
+CPUFREQ = 8000000UL
+# desired baudrate of serial debug console
+BAUDRATE = 9600UL
+
+SRCS = console.c main.c
+PROG = moodlight
+
+# compiler flags
+CFLAGS = -g -Os -Wall -Wno-pointer-sign -mmcu=$(MCU) $(ADDDEFS)
+
+# linker flags
+LDFLAGS = -g -mmcu=$(MCU) -Wl,-Map,$(PROG).map
+
+CFLAGS += -DCPUFREQ=$(CPUFREQ) -DF_CPU=$(CPUFREQ) -DBAUDRATE=$(BAUDRATE)
+
+OBJS = $(SRCS:.c=.o)
+
+all: compile dump text eeprom
+ @echo -n "Compiled size: " && ls -l ${PROG}.bin
+
+compile: $(OBJS)
+ $(CC) $(LDFLAGS) -o $(PROG).elf $(OBJS)
+
+dump: compile
+ $(OBJDUMP) -h -S $(PROG).elf > $(PROG).lst
+
+%o : %c
+ $(CC) $(CFLAGS) -I$(INCDIR) -c $< -o $@
+
+# Create the flash contents
+text: compile
+ $(OBJCOPY) -j .text -j .data -O ihex $(PROG).elf $(PROG).hex
+ $(OBJCOPY) -j .text -j .data -O srec $(PROG).elf $(PROG).srec
+ $(OBJCOPY) -j .text -j .data -O binary $(PROG).elf $(PROG).bin
+
+# Rules for building the .eeprom rom images
+eeprom: compile
+ $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $(PROG).elf $(PROG)_eeprom.hex
+ $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $(PROG).elf $(PROG)_eeprom.srec
+ $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $(PROG).elf $(PROG)_eeprom.bin
+
+clean:
+ rm -f $(PROG) *~ *.elf *.rom *.bin *.eep *.o *.lst *.map *.srec *.hex
+
+upload: uploadflash uploadeeprom
+
+uploadflash:
+ $(AVRDUDE) -c stk500v2 -p $(AVRDMCU) -P /dev/ttyS0 -U flash:w:$(PROG).srec:s
+
+uploadeeprom:
+ $(AVRDUDE) -c stk500v2 -p $(AVRDMCU) -P /dev/ttyS0 -U eeprom:w:$(PROG)_eeprom.srec:s
--- /dev/null
+/* $Id: console.c,v 1.1 2010/06/26 12:28:08 simimeie Exp $
+ * Functions for a serial console.
+ */
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include <avr/version.h>
+#include <util/delay.h>
+#include <stdio.h>
+#include "console.h"
+
+/* PD0 is RXD, PD1 is TXD, but we don't need to address them manually */
+
+/* Formula for calculating the value of UBRR from baudrate and cpufreq */
+#define UBRRCALC ((CPUFREQ / (16 * BAUDRATE)) - 1)
+
+#define INPUTBUFSIZE 30
+static uint8_t inputbuf[INPUTBUFSIZE];
+static uint8_t inputpos = 0;
+#define OUTPUTBUFSIZE 400
+static uint8_t outputbuf[OUTPUTBUFSIZE];
+static uint16_t outputhead = 0; /* WARNING cannot be modified atomically */
+static uint16_t outputtail = 0;
+static uint8_t opinprog = 0;
+static uint8_t escstatus = 0;
+static prog_uint8_t CRLF[] = "\r\n";
+static prog_uint8_t WELCOMEMSG[] = "\r\n"\
+ "\r\n ******************************************"\
+ "\r\n * universal mainboard v1 *"\
+ "\r\n * (C) Michael 'PoempelFox' Meier 05/2010 *"\
+ "\r\n ******************************************"\
+ "\r\n"\
+ "\r\nProcessor: atmega328"\
+ "\r\nAVR-libc: " __AVR_LIBC_VERSION_STRING__ " (" __AVR_LIBC_DATE_STRING__ ")"\
+ "\r\nSoftware Version 0.1, Compiled " __DATE__ " " __TIME__;
+static prog_uint8_t PROMPT[] = "\r\nroot@mbv1# ";
+
+/* Handler for TXC (TX Complete) IRQ */
+ISR(USART_TX_vect) {
+ if (outputhead == outputtail) { /* Nothing more to send! */
+ opinprog = 0;
+ } else {
+ UDR0 = outputbuf[outputhead];
+ outputhead++;
+ if (outputhead >= OUTPUTBUFSIZE) {
+ outputhead = 0;
+ }
+ }
+}
+
+#if defined __GNUC__
+/* Unfortunately, gcc is very very dumb, and despite -Os tries to inline this
+ * function even though it is called about a thousand times, when only
+ * NETCONSOLE is defined, costing us more than 2.5 KiloBytes of Flash.
+ * Way to go, gcc "optimization". Though NETCONSOLE does not exist
+ * in this copy of the console code, it certainly can't hurt. */
+static void appendchar(uint8_t what) __attribute__((noinline));
+#endif /* __GNUC__ */
+/* This can only be called safely with interrupts disabled - remember that! */
+static void appendchar(uint8_t what) {
+ uint16_t newpos;
+ newpos = (outputtail + 1);
+ if (newpos >= OUTPUTBUFSIZE) {
+ newpos = 0;
+ }
+ if (newpos != outputhead) {
+ outputbuf[outputtail] = what;
+ outputtail = newpos;
+ }
+ if (!opinprog) {
+ /* Send the byte */
+ UDR0 = what;
+ outputhead++;
+ if (outputhead >= OUTPUTBUFSIZE) {
+ outputhead = 0;
+ }
+ opinprog = 1;
+ }
+}
+
+void console_printchar_noirq(uint8_t what) {
+ appendchar(what);
+}
+
+/* This can only be called safely with interrupts disabled - remember that! */
+void console_printhex8_noirq(uint8_t what) {
+ uint8_t buf;
+ uint8_t i;
+ for (i=0; i<2; i++) {
+ buf = (uint8_t)(what & (uint8_t)0xF0) >> 4;
+ if (buf <= 9) {
+ buf += '0';
+ } else {
+ buf += 'A' - 10;
+ }
+ appendchar(buf);
+ what <<= 4;
+ }
+}
+
+/* This can only be called safely with interrupts disabled - remember that! */
+void console_printdec_noirq(uint8_t what) {
+ uint8_t buf;
+ buf = what / 100;
+ appendchar(buf + '0');
+ what %= 100;
+ buf = what / 10;
+ appendchar(buf + '0');
+ buf = what % 10;
+ appendchar(buf + '0');
+}
+
+/* This can only be called safely with interrupts disabled - remember that! */
+void console_printbin8_noirq(uint8_t what) {
+ uint8_t i;
+ for (i = 0; i < 8; i++) {
+ if (what & 0x80) {
+ appendchar('1');
+ } else {
+ appendchar('0');
+ }
+ what <<= 1;
+ }
+}
+
+/* This can only be called safely with interrupts disabled - remember that! */
+static void console_printtext_noirq(const uint8_t * what) {
+ while (*what) {
+ appendchar(*what);
+ what++;
+ }
+}
+
+/* This can only be called safely with interrupts disabled - remember that! */
+static void console_printpgm_noirq_P(PGM_P what) {
+ uint8_t t;
+ while ((t = pgm_read_byte(what++))) {
+ appendchar(t);
+ }
+}
+
+/* These are wrappers for our internal functions, disabling IRQs before
+ * calling them. */
+void console_printtext(const uint8_t * what) {
+ cli();
+ console_printtext_noirq(what);
+ sei();
+}
+
+void console_printpgm_P(PGM_P what) {
+ cli();
+ console_printpgm_noirq_P(what);
+ sei();
+}
+
+void console_printhex8(uint8_t what) {
+ cli();
+ console_printhex8_noirq(what);
+ sei();
+}
+
+void console_printdec(uint8_t what) {
+ cli();
+ console_printdec_noirq(what);
+ sei();
+}
+
+void console_init(void) {
+ /* Set Baud Rate */
+ UBRR0H = (uint8_t)(UBRRCALC >> 8);
+ UBRR0L = (uint8_t)(UBRRCALC);
+ /* Set 8 Bit mode - how braindead is it to default to 5 bit?! */
+ UCSR0C = /* _BV(URSEL) | */ _BV(UCSZ00) | _BV(UCSZ01);
+ /* Enable Send and Receive and IRQs */
+ UCSR0B = _BV(TXEN0) | _BV(RXEN0) | _BV(TXCIE0) | _BV(RXCIE0);
+ console_printpgm_noirq_P(WELCOMEMSG);
+ console_printpgm_noirq_P(PROMPT);
+ return;
+}
+
+/* Handler for RXC (RX Complete) IRQ. */
+/* We do all query processing here. */
+ISR(USART_RX_vect) {
+ uint8_t inpb;
+
+ inpb = UDR0;
+ if (escstatus == 1) {
+ if (inpb == '[') {
+ escstatus = 2;
+ } else {
+ escstatus = 0;
+ appendchar(7); /* Bell */
+ }
+ return;
+ }
+ if (escstatus == 2) {
+ switch (inpb) {
+ case 'A': /* Up */
+ /* Try to restore the last comnmand */
+ for (; inputpos > 0; inputpos--) {
+ appendchar(8);
+ }
+ while (inputbuf[inputpos]) {
+ appendchar(inputbuf[inputpos++]);
+ }
+ break;
+ case 'B': /* Down */
+ /* New empty command line */
+ for (; inputpos > 0; inputpos--) {
+ appendchar(8);
+ appendchar(' ');
+ appendchar(8);
+ }
+ break;
+ case 'C': /* Left */
+ case 'D': /* Right */
+ default:
+ appendchar(7); /* Bell */
+ break;
+ };
+ escstatus = 0;
+ return;
+ }
+ /* escstatus == 0, i.e. not in an escape */
+ switch (inpb) {
+ case 0 ... 7: /* Nonprinting characters. Ignore. */
+ case 11 ... 12: /* Nonprinting characters. Ignore. */
+ case 14 ... 26: /* Nonprinting characters. Ignore. */
+ case 28 ... 31: /* Nonprinting characters. Ignore. */
+ case 0x7f ... 0xff: /* Nonprinting characters. Ignore. */
+ console_printhex8_noirq(inpb);
+ appendchar(7); /* Bell */
+ break;
+ case 9: /* tab. Should be implemented some day? */
+ appendchar(7); /* Bell */
+ break;
+ case 27: /* Escape */
+ escstatus = 1;
+ break;
+ case 8: /* Backspace */
+ if (inputpos > 0) {
+ inputpos--;
+ appendchar(inpb);
+ appendchar(' ');
+ appendchar(inpb);
+ }
+ break;
+ case '\r': /* 13 */
+ case '\n': /* 10 */
+ if (inputpos == 0) {
+ console_printpgm_noirq_P(PROMPT);
+ break;
+ }
+ inputbuf[inputpos] = 0; /* Null-terminate the string */
+ console_printpgm_noirq_P(CRLF);
+ /* now lets see what it is */
+ if (strcmp_P(inputbuf, PSTR("help")) == 0) {
+ console_printpgm_noirq_P(PSTR("Available commands:"));
+ console_printpgm_noirq_P(PSTR("\r\n motd repeat welcome message"));
+ console_printpgm_noirq_P(PSTR("\r\n showpins [x] shows the avrs inputpins"));
+ console_printpgm_noirq_P(PSTR("\r\n status show status / counters"));
+ /* console_printpgm_noirq_P(PSTR("\r\n save saves settings to EEPROM")); */
+ } else if (strcmp_P(inputbuf, PSTR("motd")) == 0) {
+ console_printpgm_noirq_P(WELCOMEMSG);
+ } else if (strncmp_P(inputbuf, PSTR("showpins"), 8) == 0) {
+ uint8_t which = 0;
+ uint8_t stal = 1; uint8_t endl = 4;
+ if (inputpos == 10) {
+ switch (inputbuf[9]) {
+ case 'a':
+ case 'A':
+ which = 1; break;
+ case 'b':
+ case 'B':
+ which = 2; break;
+ case 'c':
+ case 'C':
+ which = 3; break;
+ case 'd':
+ case 'D':
+ which = 4; break;
+ };
+ }
+ if (which) {
+ stal = which;
+ endl = which;
+ }
+ for (which = stal; which <= endl; which++) {
+ uint8_t pstatus;
+ switch (which) {
+/* case 1: pstatus = PINA;
+ console_printpgm_noirq_P(PSTR("PINA: 0x"));
+ break;*/
+ case 2: pstatus = PINB;
+ console_printpgm_noirq_P(PSTR("PINB: 0x"));
+ break;
+ case 3: pstatus = PINC;
+ console_printpgm_noirq_P(PSTR("PINC: 0x"));
+ break;
+ case 4: pstatus = PIND;
+ console_printpgm_noirq_P(PSTR("PIND: 0x"));
+ break;
+ default:
+ pstatus = 0;
+ console_printpgm_noirq_P(PSTR("NOPIN: 0x"));
+ break;
+ };
+ console_printhex8_noirq(pstatus);
+ appendchar(' ');
+ console_printbin8_noirq(pstatus);
+ if (which < endl) {
+ appendchar('\r'); appendchar('\n');
+ }
+ }
+/* } else if (strcmp_P(inputbuf, PSTR("save")) == 0) {
+ saveeepromsettings();
+ console_printpgm_noirq_P(PSTR("Settings written to EEPROM."));*/
+ } else if (strcmp_P(inputbuf, PSTR("status")) == 0) {
+ console_printpgm_noirq_P(PSTR("Current status:\r\n"));
+ console_printpgm_noirq_P(PSTR("none. nothing implemented yet."));
+#ifdef JOKECMDS
+ } else if (strncmp_P(inputbuf, PSTR("ls"), 2) == 0) {
+ console_printpgm_noirq_P(PSTR("Total 4711\r\n"));
+ console_printpgm_noirq_P(PSTR("----r-xr-- 1 root root 42234223666 Dec 18 2004 duschcam1.avi"));
+ } else if (strncmp_P(inputbuf, PSTR("cat"), 3) == 0) {
+ if (inputpos > 4) {
+ console_printtext_noirq(&inputbuf[4]);
+ console_printpgm_noirq_P(PSTR(": Permission denied"));
+ } else {
+ console_printpgm_noirq_P(PSTR("Usage: cat filename"));
+ }
+#endif /* JOKECMDS */
+ } else {
+#ifdef JOKECMDS
+ console_printpgm_noirq_P(PSTR("bash: "));
+ console_printtext_noirq(inputbuf);
+ console_printpgm_noirq_P(PSTR(": command not found."));
+#else /* JOKECMDS */
+ console_printpgm_noirq_P(PSTR("Unknown command: "));
+ console_printtext_noirq(inputbuf);
+#endif /* JOKECMDS */
+ }
+ /* show PROMPT and go back to start. */
+ console_printpgm_noirq_P(PROMPT);
+ inputpos = 0;
+ break;
+ default:
+ if (inputpos < (INPUTBUFSIZE - 1)) { /* -1 for terminating \0 */
+ inputbuf[inputpos++] = inpb;
+ /* Echo the character */
+ appendchar(inpb);
+ } else {
+ appendchar(7); /* Bell */
+ }
+ };
+}
projects / moodlight.git / commitdiff