Initial commit.
This commit is contained in:
Piotr Esden-Tempski
25
examples/stm32/f1/other/dogm128/Makefile
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25
examples/stm32/f1/other/dogm128/Makefile
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@@ -0,0 +1,25 @@
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##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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##
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## This library is free software: you can redistribute it and/or modify
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## it under the terms of the GNU Lesser General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This library is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU Lesser General Public License for more details.
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##
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## You should have received a copy of the GNU Lesser General Public License
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## along with this library. If not, see <http://www.gnu.org/licenses/>.
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##
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BINARY = main
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OBJS = dogm128.o
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include ../../Makefile.include
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7
examples/stm32/f1/other/dogm128/README
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7
examples/stm32/f1/other/dogm128/README
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------------------------------------------------------------------------------
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README
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------------------------------------------------------------------------------
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This example program writes some text on an DOGM128 LCD display connected
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to SPI2.
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302
examples/stm32/f1/other/dogm128/dogm128.c
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302
examples/stm32/f1/other/dogm128/dogm128.c
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "./dogm128.h"
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u8 dogm128_ram[1024];
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u8 dogm128_cursor_x;
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u8 dogm128_cursor_y;
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void dogm128_send_command(u8 command)
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{
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u32 i;
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gpio_clear(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 low for commands */
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spi_send(DOGM128_SPI, command);
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for (i = 0; i <= 500; i++) /* Wait a bit. */
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;
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}
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void dogm128_send_data(u8 data)
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{
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u32 i;
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gpio_set(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 high for data */
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spi_send(DOGM128_SPI, data);
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for (i = 0; i <= 500; i++) /* Wait a bit. */
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;
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}
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void dogm128_init(void)
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{
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u32 i;
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/* Reset the display (reset low for dogm128). */
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gpio_clear(DOGM128_RESET_PORT, DOGM128_RESET_PIN);
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for (i = 0; i <= 60000; i++) /* Wait a bit. */
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;
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/* Get the display out of reset (reset high for dogm128). */
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gpio_set(DOGM128_RESET_PORT, DOGM128_RESET_PIN);
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for (i = 0; i <= 60000; i++) /* Wait a bit. */
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;
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gpio_clear(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 low for init */
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/* Tell the display that we want to start. */
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spi_set_nss_low(DOGM128_SPI);
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/* Init sequence. */
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dogm128_send_command(DOGM128_DISPLAY_START_ADDRESS_BASE + 0);
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dogm128_send_command(DOGM128_ADC_REVERSE);
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dogm128_send_command(DOGM128_COM_OUTPUT_SCAN_NORMAL);
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dogm128_send_command(DOGM128_DISPLAY_NORMAL);
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dogm128_send_command(DOGM128_BIAS_19);
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dogm128_send_command(DOGM128_POWER_CONTROL_BASE + 0x07);
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dogm128_send_command(DOGM128_BOOSTER_RATIO_SET);
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dogm128_send_command(0x00); /* Booster x4 */
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dogm128_send_command(DOGM128_V0_OUTPUT_RESISTOR_BASE + 0x07);
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dogm128_send_command(DOGM128_ELECTRONIC_VOLUME_MODE_SET);
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dogm128_send_command(0x16); /* Contrast */
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dogm128_send_command(DOGM128_STATIC_INDICATOR_OFF);
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dogm128_send_command(0x00); /* Flashing OFF */
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dogm128_send_command(DOGM128_DISPLAY_ON);
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/* End transfer. */
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spi_set_nss_high(DOGM128_SPI);
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}
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void dogm128_print_char(u8 data)
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{
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u8 i, page, shift, xcoord, ycoord;
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xcoord = dogm128_cursor_x;
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ycoord = dogm128_cursor_y;
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/* The display consists of 8 lines a 8 dots each. */
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page = (63 - ycoord) / 8;
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shift = (7 -((63 - ycoord) % 8)); /* vertical shift */
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/* Font is 8x5 so iterate each column of the character. */
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for (i = 0; i <= 5; i++) {
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/* Right border reached? */
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if ((xcoord + i) > 127)
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return;
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dogm128_cursor_x++;
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/* 0xAA = end of character - no dots in this line. */
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if (dogm128_font[data - 0x20][i] == 0xAA) {
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dogm128_ram[(page * 128) + xcoord + i] &=
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~(0xFF >> shift); /* Clear area. */
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if ((shift > 0) && (page > 0))
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dogm128_ram[((page - 1) * 128) + xcoord + i]
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&= ~(0xFF << (8 - shift)); /* Clear area. */
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return;
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}
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/* Lower part. */
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dogm128_ram[(page * 128) + xcoord + i] &=
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~(0xFF >> shift); /* Clear area. */
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dogm128_ram[(page * 128) + xcoord + i] =
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(dogm128_font[data - 0x20][i] >> shift);
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/* Higher part if needed. */
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if ((shift > 0) && (page > 0)) {
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dogm128_ram[((page - 1) * 128) + xcoord + i] &=
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~(0xFF << (8 - shift)); /* Clear area. */
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dogm128_ram[((page - 1) * 128) + xcoord + i] =
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(dogm128_font[data - 0x20][i] << (8 - shift));
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}
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}
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}
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void dogm128_set_cursor(u8 xcoord, u8 ycoord)
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{
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dogm128_cursor_x = xcoord;
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dogm128_cursor_y = ycoord;
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}
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void dogm128_print_string(char *s)
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{
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while (*s != 0) {
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dogm128_print_char(*s);
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s++;
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}
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}
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void dogm128_set_dot(u8 xcoord, u8 ycoord)
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{
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dogm128_ram[(((63 - ycoord) / 8) * 128) + xcoord] |=
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(1 << ((63 - ycoord) % 8));
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}
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void dogm128_clear_dot(u8 xcoord, u8 ycoord)
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{
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dogm128_ram[(((63 - ycoord) / 8) * 128) + xcoord] &=
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~(1 << ((63 - ycoord) % 8));
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}
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void dogm128_update_display(void)
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{
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u8 page, column;
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/* Tell the display that we want to start. */
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spi_set_nss_low(DOGM128_SPI);
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for (page = 0; page <= 7; page++) {
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dogm128_send_command(0xB0 + page); /* Set page. */
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dogm128_send_command(0x10); /* Set column upper address to 0. */
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dogm128_send_command(0x00); /* Set column lower address to 0. */
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for (column = 0; column <= 127; column++)
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dogm128_send_data(dogm128_ram[(page * 128) + column]);
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}
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spi_set_nss_high(DOGM128_SPI);
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}
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void dogm128_clear(void)
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{
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int i;
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for (i = 0; i <= 1023; i++)
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dogm128_ram[i] = 0;
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dogm128_update_display();
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}
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/*
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* This is a non-monospace font definition (upside down for better handling).
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* 0xAA is the end of the character so it's not space efficient in your memory,
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* but on your display.
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*
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* We are starting with " " as the first printable character at 0x20, so we
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* have to substract 0x20 later.
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*
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* Its the only defined to 127/0x7F so if you have German umlauts or other
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* special characters from above you have to expand this definition a
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* little bit.
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*/
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const u8 dogm128_font[96][6] = {
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/* 20 SPACE */ {0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA},
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/* 21 ! */ {0x5E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 22 " */ {0x66, 0x00, 0x66, 0xAA, 0xAA, 0xAA},
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/* 23 # */ {0x28, 0x7C, 0x28, 0x7C, 0x28, 0xAA},
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/* 24 $ */ {0x24, 0x2A, 0x7F, 0x2A, 0x10, 0xAA},
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/* 25 % */ {0x62, 0x18, 0x46, 0xAA, 0xAA, 0xAA},
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/* 26 & */ {0x30, 0x4C, 0x5A, 0x24, 0x50, 0xAA},
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/* 27 ' */ {0x06, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 28 ( */ {0x3E, 0x41, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 29 ) */ {0x41, 0x3E, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 2A * */ {0x28, 0x10, 0x7C, 0x10, 0x28, 0xAA},
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/* 2B + */ {0x10, 0x38, 0x10, 0xAA, 0xAA, 0xAA},
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/* 2C , */ {0xC0, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 2D - */ {0x10, 0x10, 0x10, 0xAA, 0xAA, 0xAA},
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/* 2E . */ {0x40, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 2F / */ {0x60, 0x18, 0x06, 0xAA, 0xAA, 0xAA},
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/* 30 0 */ {0x3C, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
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/* 31 1 */ {0x44, 0x7E, 0x40, 0xAA, 0xAA, 0xAA},
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/* 32 2 */ {0x44, 0x62, 0x52, 0x4C, 0xAA, 0xAA},
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/* 33 3 */ {0x4A, 0x4A, 0x34, 0xAA, 0xAA, 0xAA},
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/* 34 4 */ {0x1E, 0x10, 0x78, 0x10, 0xAA, 0xAA},
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/* 35 5 */ {0x4E, 0x4A, 0x32, 0xAA, 0xAA, 0xAA},
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/* 36 6 */ {0x3C, 0x4A, 0x4A, 0x30, 0xAA, 0xAA},
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/* 37 7 */ {0x62, 0x12, 0x0E, 0xAA, 0xAA, 0xAA},
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/* 38 8 */ {0x34, 0x4A, 0x4A, 0x34, 0xAA, 0xAA},
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/* 39 9 */ {0x0C, 0x52, 0x52, 0x3C, 0xAA, 0xAA},
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/* 3A : */ {0x28, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 3B ; */ {0xC8, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
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/* 3C < */ {0x10, 0x28, 0x44, 0xAA, 0xAA, 0xAA},
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/* 3D = */ {0x28, 0x28, 0x28, 0xAA, 0xAA, 0xAA},
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/* 3E > */ {0x44, 0x28, 0x10, 0xAA, 0xAA, 0xAA},
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/* 3F ? */ {0x02, 0x52, 0x0C, 0xAA, 0xAA, 0xAA},
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/* 40 @ */ {0x3C, 0x42, 0x12, 0x2A, 0x3C, 0xAA},
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/* 41 A */ {0x7C, 0x12, 0x12, 0x7C, 0xAA, 0xAA},
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/* 42 B */ {0x7E, 0x4A, 0x4A, 0x34, 0xAA, 0xAA},
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/* 43 C */ {0x3C, 0x42, 0x42, 0x24, 0xAA, 0xAA},
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/* 44 D */ {0x7E, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
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/* 45 E */ {0x7E, 0x4A, 0x4A, 0xAA, 0xAA, 0xAA},
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/* 46 F */ {0x7E, 0x0A, 0x0A, 0xAA, 0xAA, 0xAA},
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/* 47 G */ {0x3C, 0x42, 0x52, 0x34, 0xAA, 0xAA},
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/* 48 H */ {0x7E, 0x08, 0x08, 0x7E, 0xAA, 0xAA},
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/* 49 I */ {0x42, 0x7E, 0x42, 0xAA, 0xAA, 0xAA},
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/* 4A J */ {0x42, 0x42, 0x3E, 0xAA, 0xAA, 0xAA},
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/* 4B K */ {0x7E, 0x08, 0x14, 0x62, 0xAA, 0xAA},
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/* 4C L */ {0x7E, 0x40, 0x40, 0xAA, 0xAA, 0xAA},
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/* 4D M */ {0x7E, 0x04, 0x08, 0x04, 0x7E, 0xAA},
|
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/* 4E N */ {0x7E, 0x04, 0x18, 0x20, 0x7E, 0xAA},
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/* 4F O */ {0x3C, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
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|
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/* 50 P */ {0x7E, 0x12, 0x12, 0x0C, 0xAA, 0xAA},
|
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/* 51 Q */ {0x3C, 0x42, 0x42, 0xBC, 0xAA, 0xAA},
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/* 52 R */ {0x7E, 0x12, 0x12, 0x6C, 0xAA, 0xAA},
|
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/* 53 S */ {0x44, 0x4A, 0x4A, 0x30, 0xAA, 0xAA},
|
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/* 54 T */ {0x02, 0x7E, 0x02, 0xAA, 0xAA, 0xAA},
|
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/* 55 U */ {0x3E, 0x40, 0x40, 0x3E, 0xAA, 0xAA},
|
||||
/* 56 V */ {0x06, 0x18, 0x60, 0x18, 0x06, 0xAA},
|
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/* 57 W */ {0x3E, 0x40, 0x3E, 0x40, 0x3E, 0xAA},
|
||||
/* 58 X */ {0x42, 0x24, 0x18, 0x24, 0x42, 0xAA},
|
||||
/* 59 Y */ {0x9E, 0xA0, 0xA0, 0x7E, 0xAA, 0xAA},
|
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/* 5A Z */ {0x62, 0x52, 0x4A, 0x46, 0xAA, 0xAA},
|
||||
/* 5B [ */ {0x7E, 0x42, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 5C \ */ {0x06, 0x18, 0x60, 0xAA, 0xAA, 0xAA},
|
||||
/* 5D ] */ {0x42, 0x7E, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 5E ^ */ {0x04, 0x02, 0x04, 0xAA, 0xAA, 0xAA},
|
||||
/* 5F _ */ {0x40, 0x40, 0x40, 0xAA, 0xAA, 0xAA},
|
||||
|
||||
/* 60 ` */ {0x02, 0x04, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 61 a */ {0x20, 0x54, 0x54, 0x78, 0xAA, 0xAA},
|
||||
/* 62 b */ {0x7E, 0x44, 0x44, 0x38, 0xAA, 0xAA},
|
||||
/* 63 c */ {0x38, 0x44, 0x44, 0x28, 0xAA, 0xAA},
|
||||
/* 64 d */ {0x38, 0x44, 0x44, 0x7E, 0xAA, 0xAA},
|
||||
/* 65 e */ {0x38, 0x54, 0x54, 0x58, 0xAA, 0xAA},
|
||||
/* 66 f */ {0x7C, 0x0A, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 67 g */ {0x98, 0xA4, 0xA4, 0x7C, 0xAA, 0xAA},
|
||||
/* 68 h */ {0x7E, 0x04, 0x04, 0x78, 0xAA, 0xAA},
|
||||
/* 69 i */ {0x7A, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 6A j */ {0x40, 0x3A, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 6B k */ {0x7E, 0x10, 0x28, 0x44, 0xAA, 0xAA},
|
||||
/* 6C l */ {0x7E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 6D m */ {0x7C, 0x04, 0x78, 0x04, 0x78, 0xAA},
|
||||
/* 6E n */ {0x7C, 0x04, 0x04, 0x78, 0xAA, 0xAA},
|
||||
/* 6F o */ {0x38, 0x44, 0x44, 0x38, 0xAA, 0xAA},
|
||||
|
||||
/* 70 p */ {0xFC, 0x24, 0x24, 0x18, 0xAA, 0xAA},
|
||||
/* 71 q */ {0x18, 0x24, 0x24, 0xFC, 0xAA, 0xAA},
|
||||
/* 72 r */ {0x78, 0x04, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 73 s */ {0x48, 0x54, 0x54, 0x20, 0xAA, 0xAA},
|
||||
/* 74 t */ {0x04, 0x3E, 0x44, 0xAA, 0xAA, 0xAA},
|
||||
/* 75 u */ {0x3C, 0x40, 0x40, 0x3C, 0xAA, 0xAA},
|
||||
/* 76 v */ {0x0C, 0x30, 0x40, 0x30, 0x0C, 0xAA},
|
||||
/* 77 w */ {0x3C, 0x40, 0x3C, 0x40, 0x3C, 0xAA},
|
||||
/* 78 x */ {0x44, 0x28, 0x10, 0x28, 0x44, 0xAA},
|
||||
/* 79 y */ {0x1C, 0xA0, 0xA0, 0x7C, 0xAA, 0xAA},
|
||||
/* 7A z */ {0x64, 0x54, 0x4C, 0xAA, 0xAA, 0xAA},
|
||||
/* 7B { */ {0x08, 0x36, 0x41, 0xAA, 0xAA, 0xAA},
|
||||
/* 7C | */ {0x7E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
/* 7D } */ {0x41, 0x36, 0x08, 0xAA, 0xAA, 0xAA},
|
||||
/* 7E ~ */ {0x20, 0x10, 0x20, 0x10, 0xAA, 0xAA},
|
||||
/* 7F DEL */ {0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
|
||||
};
|
||||
88
examples/stm32/f1/other/dogm128/dogm128.h
Normal file
88
examples/stm32/f1/other/dogm128/dogm128.h
Normal file
@@ -0,0 +1,88 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef DOGM128_H
|
||||
#define DOGM128_H
|
||||
|
||||
#include <libopencm3/cm3/common.h>
|
||||
#include <libopencm3/stm32/f1/gpio.h>
|
||||
#include <libopencm3/stm32/spi.h>
|
||||
|
||||
/*
|
||||
* PB10 GPIO - ~RESET
|
||||
* PB12 SPI2_NSS - ~CS1
|
||||
* PB13 SPI2_SCK - SCL
|
||||
* PB14 SPI2_MISO - A0
|
||||
* PB15 SPI2_MOSI - SI
|
||||
*/
|
||||
|
||||
#define DOGM128_SPI SPI2
|
||||
#define DOGM128_RESET_PIN GPIO10
|
||||
#define DOGM128_RESET_PORT GPIOB
|
||||
#define DOGM128_A0_PIN GPIO14
|
||||
#define DOGM128_A0_PORT GPIOB
|
||||
|
||||
/* DOGM128 display commands */
|
||||
#define DOGM128_PAGE_BASE 0xB0
|
||||
#define DOGM128_PAGE0 0xB0
|
||||
#define DOGM128_PAGE1 0xB1
|
||||
#define DOGM128_PAGE2 0xB2
|
||||
#define DOGM128_PAGE3 0xB3
|
||||
#define DOGM128_PAGE4 0xB4
|
||||
#define DOGM128_PAGE5 0xB5
|
||||
#define DOGM128_PAGE6 0xB6
|
||||
#define DOGM128_PAGE7 0xB7
|
||||
#define DOGM128_DISPLAY_ON 0xAF
|
||||
#define DOGM128_DISPLAY_OFF 0xAE
|
||||
#define DOGM128_DISPLAY_START_ADDRESS_BASE 0x40
|
||||
#define DOGM128_ADC_NORMAL 0xA0
|
||||
#define DOGM128_ADC_REVERSE 0xA1
|
||||
#define DOGM128_DISPLAY_NORMAL 0xA6
|
||||
#define DOGM128_DISPLAY_REVERSE 0xA7
|
||||
#define DOGM128_ALL_POINTS_ON 0xA5
|
||||
#define DOGM128_ALL_POINTS_OFF 0xA4
|
||||
#define DOGM128_BIAS_19 0xA2
|
||||
#define DOGM128_BIAS_17 0xA3
|
||||
#define DOGM128_INTERNAL_RESET 0xE2
|
||||
#define DOGM128_COM_OUTPUT_SCAN_NORMAL 0xC0
|
||||
#define DOGM128_COM_OUTPUT_SCAN_REVERSE 0xC8
|
||||
#define DOGM128_POWER_CONTROL_BASE 0x28
|
||||
#define DOGM128_V0_OUTPUT_RESISTOR_BASE 0x20
|
||||
#define DOGM128_ELECTRONIC_VOLUME_MODE_SET 0x81
|
||||
#define DOGM128_STATIC_INDICATOR_OFF 0xAC
|
||||
#define DOGM128_STATIC_INDICATOR_ON 0xAD
|
||||
#define DOGM128_BOOSTER_RATIO_SET 0xF8
|
||||
|
||||
extern const u8 dogm128_font[96][6];
|
||||
extern u8 dogm128_ram[1024];
|
||||
extern u8 dogm128_cursor_x;
|
||||
extern u8 dogm128_cursor_y;
|
||||
|
||||
void dogm128_send_command(u8 command);
|
||||
void dogm128_set_cursor(u8 xcoord, u8 ycoord);
|
||||
void dogm128_print_char(u8 data);
|
||||
void dogm128_print_string(char *s);
|
||||
void dogm128_set_dot(u8 xcoord, u8 ycoord);
|
||||
void dogm128_clear_dot(u8 xcoord, u8 ycoord);
|
||||
void dogm128_send_data(u8 data);
|
||||
void dogm128_init(void);
|
||||
void dogm128_update_display(void);
|
||||
void dogm128_clear(void);
|
||||
|
||||
#endif
|
||||
113
examples/stm32/f1/other/dogm128/main.c
Normal file
113
examples/stm32/f1/other/dogm128/main.c
Normal file
@@ -0,0 +1,113 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libopencm3/stm32/f1/rcc.h>
|
||||
#include <libopencm3/stm32/f1/flash.h>
|
||||
#include <libopencm3/stm32/f1/gpio.h>
|
||||
#include <libopencm3/stm32/usart.h>
|
||||
#include <libopencm3/stm32/timer.h>
|
||||
#include <libopencm3/cm3/nvic.h>
|
||||
#include <libopencm3/stm32/spi.h>
|
||||
#include "./dogm128.h"
|
||||
|
||||
static void gpio_setup(void)
|
||||
{
|
||||
/* Enable GPIOB clock. */
|
||||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
|
||||
|
||||
/* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
|
||||
|
||||
/* A0 of DOGM128 */
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO14);
|
||||
/* Reset of DOGM128 */
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
|
||||
|
||||
/* DOGM128/SPI2 clock and MOSI and NSS(CS1) */
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
|
||||
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO12);
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
|
||||
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO13);
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
|
||||
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO15);
|
||||
}
|
||||
|
||||
static void spi_setup(void)
|
||||
{
|
||||
/* The DOGM128 display is connected to SPI2, so initialise it. */
|
||||
|
||||
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_SPI2EN);
|
||||
|
||||
spi_set_unidirectional_mode(DOGM128_SPI); /* We want to send only. */
|
||||
spi_disable_crc(DOGM128_SPI); /* No CRC for this slave. */
|
||||
spi_set_dff_8bit(DOGM128_SPI); /* 8-bit dataword-length */
|
||||
spi_set_full_duplex_mode(DOGM128_SPI); /* Not receive-only */
|
||||
/* We want to handle the CS signal in software. */
|
||||
spi_enable_software_slave_management(DOGM128_SPI);
|
||||
spi_set_nss_high(DOGM128_SPI);
|
||||
/* PCLOCK/256 as clock. */
|
||||
spi_set_baudrate_prescaler(DOGM128_SPI, SPI_CR1_BR_FPCLK_DIV_256);
|
||||
/* We want to control everything and generate the clock -> master. */
|
||||
spi_set_master_mode(DOGM128_SPI);
|
||||
spi_set_clock_polarity_1(DOGM128_SPI); /* SCK idle state high. */
|
||||
/* Bit is taken on the second (rising edge) of SCK. */
|
||||
spi_set_clock_phase_1(DOGM128_SPI);
|
||||
spi_enable_ss_output(DOGM128_SPI);
|
||||
spi_enable(DOGM128_SPI);
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
rcc_clock_setup_in_hse_16mhz_out_72mhz();
|
||||
gpio_setup();
|
||||
spi_setup();
|
||||
|
||||
gpio_clear(GPIOB, GPIO7); /* LED1 on */
|
||||
gpio_set(GPIOB, GPIO6); /* LED2 off */
|
||||
|
||||
dogm128_init();
|
||||
dogm128_clear();
|
||||
|
||||
dogm128_set_cursor(0, 56);
|
||||
dogm128_print_string("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
|
||||
dogm128_set_cursor(0, 48);
|
||||
dogm128_print_string("abcdefghijklmnopqrstuvwxyz");
|
||||
dogm128_set_cursor(0, 40);
|
||||
dogm128_print_string(" !#$%&'()*+,-./0123456789");
|
||||
dogm128_set_cursor(0, 32);
|
||||
dogm128_print_string(":;<=>?@[\\]^_`{|}~");
|
||||
|
||||
dogm128_set_dot(10, 10);
|
||||
dogm128_set_dot(20, 10);
|
||||
dogm128_set_dot(30, 10);
|
||||
dogm128_set_dot(40, 10);
|
||||
dogm128_set_dot(50, 10);
|
||||
|
||||
dogm128_update_display();
|
||||
|
||||
gpio_set(GPIOB, GPIO7); /* LED1 off */
|
||||
while (1); /* Halt. */
|
||||
|
||||
return 0;
|
||||
}
|
||||
31
examples/stm32/f1/other/dogm128/main.ld
Normal file
31
examples/stm32/f1/other/dogm128/main.ld
Normal file
@@ -0,0 +1,31 @@
|
||||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
|
||||
*
|
||||
* This library is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This library 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
|
||||
|
||||
/* Define memory regions. */
|
||||
MEMORY
|
||||
{
|
||||
rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
|
||||
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
|
||||
}
|
||||
|
||||
/* Include the common ld script. */
|
||||
INCLUDE libopencm3_stm32f1.ld
|
||||
|
||||
Reference in New Issue
Block a user