From 5641bdcf875ea66ef16a5cd718b87ba3af920d5d Mon Sep 17 00:00:00 2001 From: leblanc Date: Sun, 12 Mar 2006 14:50:21 +0000 Subject: On a fait l'affichage LCD en 8 bits --- n/lcd/README | 26 +++++++++ n/lcd/src/Makefile | 12 ++++ n/lcd/src/avrconfig.h | 86 +++++++++++++++++++++++++++++ n/lcd/src/lcd.c | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 272 insertions(+) create mode 100644 n/lcd/README create mode 100644 n/lcd/src/Makefile create mode 100644 n/lcd/src/avrconfig.h create mode 100644 n/lcd/src/lcd.c (limited to 'n/lcd') diff --git a/n/lcd/README b/n/lcd/README new file mode 100644 index 0000000..07f3263 --- /dev/null +++ b/n/lcd/README @@ -0,0 +1,26 @@ +lcd - affiche des messages sur l'écran lcd. + +Ce module permet d'afficher des messages à caractère informatif sur l'écran +lcd positionné sur le robot. Il permet de connaître l'état du robot à chaque +moment. + + +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. 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 + +/** 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; +} -- cgit v1.2.3