qmsk-dmx: src/hello-dmx.c@0cf14786b909 (annotated)

62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	1	/*
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	2	* DMX output.
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	3	*
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	4	* See doc/dmx.txt for the RX-485 bus protocol details...
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	5	*/
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	6
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	7	#include <avr/io.h>
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	8
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	9	#include "stdlib.h"
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	10	#include "timer.c"
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	11	#include "serial.c"
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	12	#include "dmx.c"
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	13
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	14	// debug
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	15	#define DEBUG_DDR DDRB
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	16	#define DEBUG_PORT PORTB
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	17	#define DEBUG_LED 0
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	18
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	19	void led_init ()
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	20	{
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	21	sbi(&DEBUG_DDR, DEBUG_LED);
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	22	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	23
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	24	void led_on ()
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	25	{
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	26	sbi(&DEBUG_PORT, DEBUG_LED);
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	27	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	28
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	29	void led_off ()
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	30	{
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	31	cbi(&DEBUG_PORT, DEBUG_LED);
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	32	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	33
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	34	void led_toggle ()
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	35	{
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	36	xbi(&DEBUG_PORT, DEBUG_LED);
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	37	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	38
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	39	// dmx
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	40	#define DMX_COUNT 255
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	41
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	42	/*
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	43	* DMX state
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	44	*/
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	45	static struct dmx_state {
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	46	byte out[DMX_COUNT];
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	47	byte count;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	48	} dmx;
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	49
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	50	enum state {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	51	START = '\n',
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	52	CMD = ';',
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	53	ARG = ',',
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	54	ERROR = '!',
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	55	};
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	56
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	57	#define CONSOLE_ARGS 8
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	58
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	59	/*
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	60	* Console input state.
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	61	*/
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	62	static struct console {
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	63	byte state;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	64	byte cmd;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	65	byte argc;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	66	byte argv[CONSOLE_ARGS];
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	67	} console;
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	68
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	69	/*
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	70	* Clear output (no state).
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	71	*/
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	72	int cmd_clear ()
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	73	{
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	74	dmx.count = 0;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	75
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	76	return 0;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	77	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	78
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	79	/*
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	80	* Set output to given sequence.
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	81	*/
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	82	int cmd_out ()
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	83	{
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	84	byte i;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	85
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	86	for (i = 0; i < console.argc; i++) {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	87	dmx.out[i] = console.argv[i];
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	88	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	89
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	90	dmx.count = i;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	91
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	92	return 0;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	93	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	94
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	95	/*
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	96	* Set output at offset.
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	97	*/
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	98	int cmd_set ()
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	99	{
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	100	if (console.argc < 1) {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	101	return '!';
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	102	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	103
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	104	byte i = console.argv[0];
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	105
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	106	for (byte a = 1; a < console.argc; a++) {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	107	dmx.out[i++] = console.argv[a];
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	108	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	109
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	110	if (i > dmx.count)
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	111	dmx.count = i;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	112
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	113	return 0;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	114	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	115
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	116	/*
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	117	* Set output to max. zeroes
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	118	*/
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	119	int cmd_zero ()
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	120	{
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	121	byte count;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	122
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	123	if (console.argc == 0) {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	124	count = DMX_COUNT;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	125	} else if (console.argc == 1) {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	126	count = console.argv[0];
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	127	} else {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	128	return '!';
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	129	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	130
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	131	// set
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	132	byte i;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	133	for (i = 0; i < count; i++) {
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	134	dmx.out[i] = 0;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	135	}
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	136	dmx.count = i;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	137
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	138	return 0;
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	139	}
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	140
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	141	/*
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	142	* Process console command.
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	143	*/
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	144	int command ()
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	145	{
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	146	switch (console.cmd) {
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	147	case 'c': return cmd_clear();
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	148	case 'o': return cmd_out();
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	149	case 's': return cmd_set();
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	150	case 'z': return cmd_zero();
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	151
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	152	default: return '?';
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	153	}
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	154	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	155
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	156	/*
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	157	* Process console input.
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	158	*/
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	159	char input (char c)
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	160	{
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	161	// control
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	162	if (c == '\r') {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	163	char ret = '?';
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	164
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	165	if (console.state == CMD) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	166	console.argc = 0;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	167	} else if (console.state == ARG) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	168	console.argc++;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	169	} else {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	170	console.state = START;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	171	return '\n';
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	172	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	173
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	174	// command
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	175	if ((ret = command(console.cmd))) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	176
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	177	} else {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	178	ret = '\n';
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	179	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	180
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	181	// return to START with response
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	182	console.state = START;
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	183	return '\n'; // XXX: required to delimit command reponses..
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	184
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	185	} else if (c == ' ' \|\| c == '\t' \|\| c == ',') {
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	186	// argument
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	187	if (console.state == CMD) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	188	console.state = ARG;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	189	console.argc = 0;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	190
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	191	return ',';
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	192
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	193	} else if (console.state == ARG) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	194	if (console.argc++ < CONSOLE_ARGS) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	195	console.argv[console.argc] = 0;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	196
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	197	return ',';
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	198	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	199	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	200
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	201	// printable
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	202	} else if (32 < c && c < 128) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	203	// process input char
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	204	if (console.state == START) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	205	console.cmd = c;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	206	console.state = CMD;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	207
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	208	return c;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	209
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	210	} else if (console.state == ARG) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	211	if (c >= '0' && c <= '9') {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	212	console.argv[console.argc] *= 10;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	213	console.argv[console.argc] += (c - '0');
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	214
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	215	return c;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	216	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	217	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	218	} else {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	219	// ignore
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	220	return ' ';
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	221	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	222
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	223	// reject
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	224	console.state = ERROR;
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	225	return ERROR;
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	226	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	227
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	228	/*
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	229	* Tick output state
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	230	*/
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	231	void update ()
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	232	{
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	233	dmx_packet(dmx.count, dmx.out);
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	234	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	235
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	236	void main ()
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	237	{
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	238	led_init();
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	239	timer_init();
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	240	serial_init();
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	241	dmx_init();
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	242
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	243	// mainloop
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	244	char c = '>';
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	245	unsigned timeout = 8000; // 2Hz
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	246
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	247	// start
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	248	sei();
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	249	serial_write(c);
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	250
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	251	while (true) {
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	252	// sleep
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	253	//led_on();
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	254	if (timer_sleep(timeout)) {
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	255	//c = ' ';
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	256	led_toggle();
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	257	c = 0;
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	258
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	259	} else if ((c = serial_read())) {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	260	// got serial data
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	261	c = input(c);
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	262
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	263	} else {
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	264	// unknown interrupt
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	265	c = '?';
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	266	}
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	267	//led_off();
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	268
66 0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	269	if (c)
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	270	// respond
0cf14786b909 dmx: implement output Tero Marttila <terom@paivola.fi> parents: 65 diff changeset	271	serial_write(c);
65 625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	272
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	273	// output
625f34328820 dmx: split out dmx.c module; implement console Tero Marttila <terom@paivola.fi> parents: 62 diff changeset	274	update();
62 2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	275	}
2d68a76322cb hello-dmx: working basic dmx output using DmxSimple's frame-timing inline assembler code Tero Marttila <terom@paivola.fi> parents: diff changeset	276	}

author	Tero Marttila <terom@paivola.fi>
	Fri, 11 Apr 2014 15:57:48 +0300
changeset 66	0cf14786b909
parent 65	625f34328820
child 67	53743ecc9150
permissions	-rw-r--r--