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-rw-r--r--n/lcd/src/Makefile12
-rw-r--r--n/lcd/src/avrconfig.h86
-rw-r--r--n/lcd/src/lcd.c148
3 files changed, 246 insertions, 0 deletions
diff --git a/n/lcd/src/Makefile b/n/lcd/src/Makefile
new file mode 100644
index 0000000..50de46a
--- /dev/null
+++ b/n/lcd/src/Makefile
@@ -0,0 +1,12 @@
+BASE = ../../avr
+AVR_PROGS = lcd
+lcd_SOURCES = lcd.c
+MODULES = uart proto utils
+CONFIGFILE = avrconfig.h
+# atmega8, atmega8535, atmega128...
+AVR_MCU = atmega8
+# -O2 : speed
+# -Os : size
+OPTIMIZE = -O2
+
+include $(BASE)/make/Makefile.gen
diff --git a/n/lcd/src/avrconfig.h b/n/lcd/src/avrconfig.h
new file mode 100644
index 0000000..e08c18b
--- /dev/null
+++ b/n/lcd/src/avrconfig.h
@@ -0,0 +1,86 @@
+#ifndef avrconfig_h
+#define avrconfig_h
+/* avrconfig.h */
+/* lcd - affiche des messages sur l'écran lcd. {{{
+ *
+ * Copyright (C) 2006 Christophe Le Blanc
+ *
+ * Robot APB Team/Efrei 2006.
+ * Web: http://assos.efrei.fr/robot/
+ * Email: robot AT efrei DOT fr
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * }}} */
+
+/* global */
+/** AVR Frequency : 1000000, 1843200, 2000000, 3686400, 4000000, 7372800,
+ * 8000000, 11059200, 14745600, 16000000, 18432000, 20000000. */
+#define AC_FREQ 14745600
+
+/* uart - UART module. */
+/** Select hardware uart for primary uart: 0, 1 or -1 to disable. */
+#define AC_UART0_PORT 0
+/** Baudrate: 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 76800,
+ * 115200, 230400, 250000, 500000, 1000000. */
+#define AC_UART0_BAUDRATE 115200
+/** Send mode:
+ * - POLLING: no interrupts.
+ * - RING: interrupts, ring buffer. */
+#define AC_UART0_SEND_MODE RING
+/** Recv mode, same as send mode. */
+#define AC_UART0_RECV_MODE RING
+/** Character size: 5, 6, 7, 8, 9 (only 8 implemented). */
+#define AC_UART0_CHAR_SIZE 8
+/** Parity : ODD, EVEN, NONE. */
+#define AC_UART0_PARITY EVEN
+/** Stop bits : 1, 2. */
+#define AC_UART0_STOP_BITS 1
+/** Send buffer size, should be power of 2 for RING mode. */
+#define AC_UART0_SEND_BUFFER_SIZE 32
+/** Recv buffer size, should be power of 2 for RING mode. */
+#define AC_UART0_RECV_BUFFER_SIZE 32
+/** If the send buffer is full when putc:
+ * - DROP: drop the new byte.
+ * - WAIT: wait until there is room in the send buffer. */
+#define AC_UART0_SEND_BUFFER_FULL WAIT
+/** In HOST compilation:
+ * - STDIO: use stdin/out.
+ * - PTS: use pseudo terminal. */
+#define AC_UART0_HOST_DRIVER STDIO
+/** Same thing for secondary port. */
+#define AC_UART1_PORT -1
+#define AC_UART1_BAUDRATE 115200
+#define AC_UART1_SEND_MODE RING
+#define AC_UART1_RECV_MODE RING
+#define AC_UART1_CHAR_SIZE 8
+#define AC_UART1_PARITY EVEN
+#define AC_UART1_STOP_BITS 1
+#define AC_UART1_SEND_BUFFER_SIZE 32
+#define AC_UART1_RECV_BUFFER_SIZE 32
+#define AC_UART1_SEND_BUFFER_FULL WAIT
+#define AC_UART1_HOST_DRIVER PTS
+
+/* proto - Protocol module. */
+/** Maximum argument size. */
+#define AC_PROTO_ARGS_MAX_SIZE 32
+/** Callback function name. */
+#define AC_PROTO_CALLBACK proto_callback
+/** Putchar function name. */
+#define AC_PROTO_PUTC uart0_putc
+/** Support for quote parameter. */
+#define AC_PROTO_QUOTE 1
+
+#endif /* avrconfig_h */
diff --git a/n/lcd/src/lcd.c b/n/lcd/src/lcd.c
new file mode 100644
index 0000000..8b4ed85
--- /dev/null
+++ b/n/lcd/src/lcd.c
@@ -0,0 +1,148 @@
+/* lcd.c */
+/* lcd - affiche des messages sur l'écran lcd. {{{
+ *
+ * Copyright (C) 2006 Christophe Le Blanc
+ *
+ * Robot APB Team/Efrei 2006.
+ * Web: http://assos.efrei.fr/robot/
+ * Email: robot AT efrei DOT fr
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * }}} */
+#include "common.h"
+#include "modules/utils/utils.h"
+#include "modules/uart/uart.h"
+#include "modules/proto/proto.h"
+#include "io.h"
+
+#include <string.h>
+
+/** Envois une commande. */
+void
+lcd_send_command (u8 cmd)
+{
+ PORTC = (PORTC & 0xf0) | (cmd >> 4);
+ PORTD = (PORTD & 0x03) | (cmd << 5);
+ PORTB = (PORTB & 0xfe) | (cmd >> 3 & 0x01);
+ PORTD = PORTD | 0x10;
+ PORTD = PORTD & 0xef;
+ utils_delay_us (40);
+}
+
+/* Envois un caractère. */
+void
+lcd_send_character (u8 c)
+{
+ PORTC = (PORTC & 0xf0) | (c >> 4);
+ PORTD = (PORTD & 0x03) | (c << 5) | 0x04;
+ PORTB = (PORTB & 0xfe) | (c >> 3 & 0x01);
+ PORTD = PORTD | 0x10;
+ PORTD = PORTD & 0xef;
+ utils_delay_us (40);
+}
+
+/* Envois une chaîne de caractère. */
+void
+lcd_send_string_n (const char *s,u8 i)
+{
+ u8 cpt ;
+ lcd_send_command(0x01);
+ utils_delay_ms(2);
+ lcd_send_command(0x02);
+ utils_delay_ms(2);
+ for (cpt = 0 ; cpt < i ; cpt++)
+ {
+ if (cpt == 16)
+ {
+ lcd_send_command(0xc0);
+ utils_delay_us(40);
+ }
+ lcd_send_character(s[cpt]);
+ }
+}
+
+/* Envois une chaîne de caractère. */
+void
+lcd_send_string (const char *s)
+{
+ lcd_send_string_n (s, strlen (s));
+}
+
+/* Initialisation du lcd. */
+void
+lcd_init (void)
+{
+ DDRC = 0x0f;
+ DDRD = 0xfc;
+ DDRB = 0x01;
+ utils_delay_ms (15);
+ lcd_send_command (0x38);
+ utils_delay_ms (4.5);
+ lcd_send_command (0x38);
+ utils_delay_ms (1);
+ lcd_send_command (0x38);
+ lcd_send_command (0x38);
+ lcd_send_command (0x08);
+ lcd_send_command (0x01);
+ utils_delay_ms (2);
+ lcd_send_command (0x06);
+ lcd_send_command (0x80);
+ lcd_send_command (0x0f);
+}
+
+void
+proto_callback (uint8_t cmd, uint8_t size, uint8_t *args)
+{
+ switch (cmd)
+ {
+ case 'z':
+ if (size != 0)
+ {
+ proto_send0 ('?');
+ return;
+ }
+ else
+ {
+ utils_reset ();
+ }
+ break;
+ case 'p':
+ lcd_send_string_n (args, size);
+ break;
+ default:
+ /* This is to handle default commands, return an error. */
+ proto_send0 ('?');
+ return;
+ }
+ /* When no error acknoledge. */
+ proto_send (cmd, size, args);
+}
+
+/* Fonction principale */
+int
+main (void)
+{
+ sei ();
+ uart0_init ();
+ proto_send0 ('z');
+ lcd_init ();
+ while (1)
+ {
+ uint8_t c = uart0_getc ();
+ proto_accept (c);
+ }
+ return 0;
+}