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Diffstat (limited to 'examples/stm32/f1/other/dogm128/dogm128.c')
-rw-r--r--examples/stm32/f1/other/dogm128/dogm128.c291
1 files changed, 291 insertions, 0 deletions
diff --git a/examples/stm32/f1/other/dogm128/dogm128.c b/examples/stm32/f1/other/dogm128/dogm128.c
new file mode 100644
index 0000000..c78a275
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/dogm128.c
@@ -0,0 +1,291 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "./dogm128.h"
+
+u8 dogm128_ram[1024];
+u8 dogm128_cursor_x;
+u8 dogm128_cursor_y;
+
+void dogm128_send_command(u8 command)
+{
+ u32 counter;
+
+ gpio_clear(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 low for commands */
+ spi_send(DOGM128_SPI, command);
+
+ for (counter = 0; counter<=500; counter++) /* wait */
+ {}
+}
+
+void dogm128_send_data(u8 data)
+{
+ u32 counter;
+
+ gpio_set(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 high for data */
+ spi_send(DOGM128_SPI, data);
+
+ for (counter = 0; counter<=500; counter++) /* wait */
+ {}
+}
+
+void dogm128_init()
+{
+ u32 counter;
+
+ /* reset the display */
+ gpio_clear(DOGM128_RESET_PORT, DOGM128_RESET_PIN); /* reset low for dogm128 */
+ for (counter = 0; counter<=60000; counter++) /* wait */
+ {}
+ gpio_set(DOGM128_RESET_PORT, DOGM128_RESET_PIN); /* reset high for dogm128 */
+
+ for (counter = 0; counter<=60000; counter++) /* wait */
+ {}
+
+ gpio_clear(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 low for init */
+
+ /* tell the display that we want to start */
+ spi_set_nss_low(DOGM128_SPI);
+
+ /* init sequence */
+ dogm128_send_command(DOGM128_DISPLAY_START_ADDRESS_BASE + 0);
+ dogm128_send_command(DOGM128_ADC_REVERSE);
+ dogm128_send_command(DOGM128_COM_OUTPUT_SCAN_NORMAL);
+ dogm128_send_command(DOGM128_DISPLAY_NORMAL);
+ dogm128_send_command(DOGM128_BIAS_19);
+ dogm128_send_command(DOGM128_POWER_CONTROL_BASE + 0x07);
+ dogm128_send_command(DOGM128_BOOSTER_RATIO_SET);
+ dogm128_send_command(0x00); /* Booster x4 */
+ dogm128_send_command(DOGM128_V0_OUTPUT_RESISTOR_BASE + 0x07);
+ dogm128_send_command(DOGM128_ELECTRONIC_VOLUME_MODE_SET);
+ dogm128_send_command(0x16); /* Contrast */
+ dogm128_send_command(DOGM128_STATIC_INDICATOR_OFF);
+ dogm128_send_command(0x00); /* Flashing OFF */
+ dogm128_send_command(DOGM128_DISPLAY_ON);
+
+ /* end transfer */
+ spi_set_nss_high(DOGM128_SPI);
+}
+
+void dogm128_print_char(u8 data)
+{
+ u8 i;
+ u8 page;
+ u8 shift;
+ u8 xcoord;
+ u8 ycoord;
+
+ xcoord = dogm128_cursor_x;
+ ycoord = dogm128_cursor_y;
+
+ page = (63 - ycoord) / 8; /* the display consists of 8 lines a 8 dots each. */
+ shift = (7 -((63 - ycoord) % 8)); /* vertical shift */
+
+ /* font is 8x5 so iterate each column of the character */
+ for (i = 0; i <= 5; i++) {
+ /* right border reached? */
+ if ((xcoord + i) > 127)
+ return;
+ dogm128_cursor_x++;
+
+ /* 0xAA = end of character - no dots in this line */
+ if (dogm128_font[data - 0x20][i] == 0xAA) {
+ dogm128_ram[(page * 128) + xcoord + i] &= ~(0xFF >> shift); /* clear area */
+ if ((shift > 0) && (page > 0))
+ dogm128_ram[((page - 1) * 128) + xcoord + i] &= ~(0xFF << (8 - shift)); /* clear area */
+ return;
+ }
+
+ /* lower part */
+ dogm128_ram[(page * 128) + xcoord + i] &= ~(0xFF >> shift); /* clear area */
+ dogm128_ram[(page * 128) + xcoord + i] = (dogm128_font[data - 0x20][i] >> shift);
+ /* higher part if needed */
+ if ((shift > 0) && (page > 0)) {
+ dogm128_ram[((page - 1) * 128) + xcoord + i] &= ~(0xFF << (8 - shift)); /* clear area */
+ dogm128_ram[((page - 1) * 128) + xcoord + i] = (dogm128_font[data - 0x20][i] << (8 - shift));
+ }
+ }
+}
+
+void dogm128_set_cursor(u8 xcoord, u8 ycoord)
+{
+ dogm128_cursor_x = xcoord;
+ dogm128_cursor_y = ycoord;
+}
+
+void dogm128_print_string(char * s)
+{
+ while (*s != 0) {
+ dogm128_print_char(*s);
+ s++;
+ }
+}
+
+void dogm128_set_dot(u8 xcoord, u8 ycoord)
+{
+ dogm128_ram[(((63 - ycoord) / 8) * 128) + xcoord] |= (1 << ((63 - ycoord) % 8));
+}
+
+void dogm128_clear_dot(u8 xcoord, u8 ycoord)
+{
+ dogm128_ram[(((63 - ycoord) / 8) * 128) + xcoord] &= ~(1 << ((63 - ycoord) % 8));
+}
+
+void dogm128_update_display()
+{
+ u8 page;
+ u8 column;
+
+ /* tell the display that we want to start */
+ spi_set_nss_low(DOGM128_SPI);
+
+ for (page = 0; page <= 7; page++) {
+ dogm128_send_command(0xB0 + page); /* set page */
+ dogm128_send_command(0x10); /* set column upper address to 0 */
+ dogm128_send_command(0x00); /* set column lower address to 0 */
+
+ for (column = 0; column <= 127; column++) {
+ dogm128_send_data(dogm128_ram[(page * 128) + column]);
+ }
+ }
+
+ spi_set_nss_high(DOGM128_SPI);
+}
+
+void dogm128_clear()
+{
+ u16 i;
+
+ for (i = 0; i<=1023; i++) {
+ dogm128_ram[i] = 0;
+ }
+ dogm128_update_display();
+}
+
+/* This is a non-monospace font definition (upside down for better handling).
+ * 0xAA is the end of the character so its not space efficient in your memory, but on your display.
+ * We are starting with " " as the first printable character at 0x20, so we have to substract 0x20 later.
+ * Its the only defined to 127/0x7F so if you have german umlauts or other special characters from above
+ * you have to expand this definition a little bit. */
+
+const u8 dogm128_font[96][6] = {
+
+ /* 20 SPACE */ {0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA},
+ /* 21 ! */ {0x5E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 22 " */ {0x66, 0x00, 0x66, 0xAA, 0xAA, 0xAA},
+ /* 23 # */ {0x28, 0x7C, 0x28, 0x7C, 0x28, 0xAA},
+ /* 24 $ */ {0x24, 0x2A, 0x7F, 0x2A, 0x10, 0xAA},
+ /* 25 % */ {0x62, 0x18, 0x46, 0xAA, 0xAA, 0xAA},
+ /* 26 & */ {0x30, 0x4C, 0x5A, 0x24, 0x50, 0xAA},
+ /* 27 ' */ {0x06, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 28 ( */ {0x3E, 0x41, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 29 ) */ {0x41, 0x3E, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 2A * */ {0x28, 0x10, 0x7C, 0x10, 0x28, 0xAA},
+ /* 2B + */ {0x10, 0x38, 0x10, 0xAA, 0xAA, 0xAA},
+ /* 2C , */ {0xC0, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 2D - */ {0x10, 0x10, 0x10, 0xAA, 0xAA, 0xAA},
+ /* 2E . */ {0x40, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 2F / */ {0x60, 0x18, 0x06, 0xAA, 0xAA, 0xAA},
+
+ /* 30 0 */ {0x3C, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
+ /* 31 1 */ {0x44, 0x7E, 0x40, 0xAA, 0xAA, 0xAA},
+ /* 32 2 */ {0x44, 0x62, 0x52, 0x4C, 0xAA, 0xAA},
+ /* 33 3 */ {0x4A, 0x4A, 0x34, 0xAA, 0xAA, 0xAA},
+ /* 34 4 */ {0x1E, 0x10, 0x78, 0x10, 0xAA, 0xAA},
+ /* 35 5 */ {0x4E, 0x4A, 0x32, 0xAA, 0xAA, 0xAA},
+ /* 36 6 */ {0x3C, 0x4A, 0x4A, 0x30, 0xAA, 0xAA},
+ /* 37 7 */ {0x62, 0x12, 0x0E, 0xAA, 0xAA, 0xAA},
+ /* 38 8 */ {0x34, 0x4A, 0x4A, 0x34, 0xAA, 0xAA},
+ /* 39 9 */ {0x0C, 0x52, 0x52, 0x3C, 0xAA, 0xAA},
+ /* 3A : */ {0x28, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 3B ; */ {0xC8, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 3C < */ {0x10, 0x28, 0x44, 0xAA, 0xAA, 0xAA},
+ /* 3D = */ {0x28, 0x28, 0x28, 0xAA, 0xAA, 0xAA},
+ /* 3E > */ {0x44, 0x28, 0x10, 0xAA, 0xAA, 0xAA},
+ /* 3F ? */ {0x02, 0x52, 0x0C, 0xAA, 0xAA, 0xAA},
+
+ /* 40 @ */ {0x3C, 0x42, 0x12, 0x2A, 0x3C, 0xAA},
+ /* 41 A */ {0x7C, 0x12, 0x12, 0x7C, 0xAA, 0xAA},
+ /* 42 B */ {0x7E, 0x4A, 0x4A, 0x34, 0xAA, 0xAA},
+ /* 43 C */ {0x3C, 0x42, 0x42, 0x24, 0xAA, 0xAA},
+ /* 44 D */ {0x7E, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
+ /* 45 E */ {0x7E, 0x4A, 0x4A, 0xAA, 0xAA, 0xAA},
+ /* 46 F */ {0x7E, 0x0A, 0x0A, 0xAA, 0xAA, 0xAA},
+ /* 47 G */ {0x3C, 0x42, 0x52, 0x34, 0xAA, 0xAA},
+ /* 48 H */ {0x7E, 0x08, 0x08, 0x7E, 0xAA, 0xAA},
+ /* 49 I */ {0x42, 0x7E, 0x42, 0xAA, 0xAA, 0xAA},
+ /* 4A J */ {0x42, 0x42, 0x3E, 0xAA, 0xAA, 0xAA},
+ /* 4B K */ {0x7E, 0x08, 0x14, 0x62, 0xAA, 0xAA},
+ /* 4C L */ {0x7E, 0x40, 0x40, 0xAA, 0xAA, 0xAA},
+ /* 4D M */ {0x7E, 0x04, 0x08, 0x04, 0x7E, 0xAA},
+ /* 4E N */ {0x7E, 0x04, 0x18, 0x20, 0x7E, 0xAA},
+ /* 4F O */ {0x3C, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
+
+ /* 50 P */ {0x7E, 0x12, 0x12, 0x0C, 0xAA, 0xAA},
+ /* 51 Q */ {0x3C, 0x42, 0x42, 0xBC, 0xAA, 0xAA},
+ /* 52 R */ {0x7E, 0x12, 0x12, 0x6C, 0xAA, 0xAA},
+ /* 53 S */ {0x44, 0x4A, 0x4A, 0x30, 0xAA, 0xAA},
+ /* 54 T */ {0x02, 0x7E, 0x02, 0xAA, 0xAA, 0xAA},
+ /* 55 U */ {0x3E, 0x40, 0x40, 0x3E, 0xAA, 0xAA},
+ /* 56 V */ {0x06, 0x18, 0x60, 0x18, 0x06, 0xAA},
+ /* 57 W */ {0x3E, 0x40, 0x3E, 0x40, 0x3E, 0xAA},
+ /* 58 X */ {0x42, 0x24, 0x18, 0x24, 0x42, 0xAA},
+ /* 59 Y */ {0x9E, 0xA0, 0xA0, 0x7E, 0xAA, 0xAA},
+ /* 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}
+};
+