diff options
Diffstat (limited to 'src/target/firmware/display/ssd1783.c')
| -rw-r--r-- | src/target/firmware/display/ssd1783.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/src/target/firmware/display/ssd1783.c b/src/target/firmware/display/ssd1783.c deleted file mode 100644 index 5696b48f..00000000 --- a/src/target/firmware/display/ssd1783.c +++ /dev/null @@ -1,257 +0,0 @@ -/* Solomon SSD1783 LCD Driver (Epson S1D15G10D08B000 clone) */ - -/* (C) 2010 by Steve Markgraf <steve@steve-m.de> - * (C) 2010 by Harald Welte <laforge@gnumonks.org> - * - * All Rights Reserved - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include <stdint.h> -#include <stdio.h> -//#define DEBUG -#include <debug.h> -#include <delay.h> -#include <uwire.h> -#include <display.h> -#include <display/ssd1783.h> -#include <calypso/clock.h> - -#define LCD_COLUMNS 98 -#define LCD_ROWS 67 -#define LCD_TOP_FREE_ROWS 3 -#define LCD_LEFT_FREE_COLS 0 -#define PIXEL_BYTES 3 -#define SSD1783_UWIRE_BITLEN 9 -#define SSD1783_DEV_ID 0 -#define FONT_HEIGHT 8 -#define FONT_WIDTH 8 - -static const uint8_t rgb8_palette[] ={ - 0x00, //P01 Intermediate red tone 000 - 0x03, //P02 Intermediate red tone 001 - 0x05, //P03 Intermediate red tone 010 - 0x07, //P04 Intermediate red tone 011 - 0x09, //P05 Intermediate red tone 100 - 0x0b, //P06 Intermediate red tone 101 - 0x0d, //P07 Intermediate red tone 110 - 0x0f, //P08 Intermediate red tone 111 - 0x00, //P09 Intermediate green tone 000 - 0x03, //P10 Intermediate green tone 001 - 0x05, //P11 Intermediate green tone 010 - 0x07, //P12 Intermediate green tone 011 - 0x09, //P13 Intermediate green tone 100 - 0x0b, //P14 Intermediate green tone 101 - 0x0d, //P15 Intermediate green tone 110 - 0x0f, //P16 Intermediate green tone 111 - 0x00, //P17 Intermediate blue tone 00 - 0x05, //P18 Intermediate blue tone 01 - 0x0a, //P19 Intermediate blue tone 10 - 0x0f, //P20 Intermediate blue tone 11 -}; - -static void ssd1783_cmd_write(const uint8_t cmd) -{ - uint16_t cmd_out = cmd; - uwire_xfer(SSD1783_DEV_ID, SSD1783_UWIRE_BITLEN, &cmd_out, NULL); -} - -static void ssd1783_data_write(const uint8_t data) -{ - uint16_t data_out = ((0x01 << 8) + data); - uwire_xfer(SSD1783_DEV_ID, SSD1783_UWIRE_BITLEN, &data_out, NULL); -} - -static void ssd1783_clrscr(void) -{ - uint16_t i; - - /* Select the whole display area for clearing */ - ssd1783_cmd_write(CMD_PASET); /* Page address set [2] */ - ssd1783_data_write(0x00); /* Start page: 0x00 */ - ssd1783_data_write(LCD_ROWS-1); /* End page */ - ssd1783_cmd_write(CMD_CASET); /* Column address set [2] */ - ssd1783_data_write(0x00); /* Start column: 0x00 */ - ssd1783_data_write((LCD_COLUMNS/2)-1); /* End column (2 pixels per column) */ - ssd1783_cmd_write(CMD_RAMWR); /* Write to memory */ - - /* Fill the display with white */ - for(i=0; i < (LCD_ROWS * (LCD_COLUMNS/2) * PIXEL_BYTES); i++){ - ssd1783_data_write(0xff); - } - ssd1783_cmd_write(CMD_NOP); /* Terminate RAMWR with NOP */ -} - -static void ssd1783_init(void) -{ - unsigned int i; - - calypso_reset_set(RESET_EXT, 0); - uwire_init(); - delay_ms(3); - - /* Begin SSD1783 initialization sequence */ - ssd1783_cmd_write(CMD_OSCON); /* Internal OSC on */ - ssd1783_cmd_write(CMD_SLPOUT); /* Sleep out (Leave sleep mode) */ - - ssd1783_cmd_write(CMD_COMSCN); /* Common scan direction [1] */ - ssd1783_data_write(0x01); /* Scan 1 -> 68, 132 <- 69 */ - ssd1783_cmd_write(CMD_DATCTL); /* Data Scan Direction [3] */ - ssd1783_data_write(0x00); /* Normal page address, normal rotation, - * scan direction in column direction */ - ssd1783_data_write(0x00); /* RGB arrangement: RGB-RGB */ - ssd1783_data_write(0x02); /* Gray-scale setup: 16 gray-scale Type A, 8-bit mode */ - - /* Initialize RGB8 palette for 8-Bit color mode */ - ssd1783_cmd_write(CMD_RGBSET8); /* 256-color position set [20] */ - for(i=0; i < sizeof(rgb8_palette); i++){ - ssd1783_data_write(rgb8_palette[i]); - } - - ssd1783_cmd_write(CMD_DISCTL); /* Display control [3] */ - ssd1783_data_write(0xff); /* no clock division, F1, F2 switching period = field */ - ssd1783_data_write(0x10); /* Drive duty, P24 = 1 */ - ssd1783_data_write(0x01); /* FR inverse set, P30=1 */ - ssd1783_cmd_write(CMD_SCSTART); /* Scroll start set [1] */ - ssd1783_data_write(0x00); /* Start block address 0x00 */ - - /* Turn on the power regulator which generates VLCD */ - ssd1783_cmd_write(CMD_PWRCTR); /* Power Control [1] */ - ssd1783_data_write(0x0b); /* Booster, follower and regulator circuit on */ - - /* FIXME: put this in a separate function (ssd1783_set_contrast) */ - ssd1783_cmd_write(CMD_VOLCTR); /* Electronic Volume Control [2] */ - ssd1783_data_write(0x29); /* Set contrast */ - ssd1783_data_write(0x05); /* Set contrast */ - - ssd1783_cmd_write(CMD_DISINV); /* Invert Display */ - ssd1783_cmd_write(CMD_TMPGRD); /* Temperature gradient set */ - ssd1783_data_write(0x00); /* default temperature gradient (-0.05% / °C) */ - ssd1783_cmd_write(CMD_BIASSET); /* Set biasing ratio [1] */ - ssd1783_data_write(0x03); /* 1/10 bias */ - ssd1783_cmd_write(CMD_FREQSET); /* Set frequency and n-line inversion [2] */ - ssd1783_data_write(0x08); /* frequency: 75Hz (POR) */ - ssd1783_data_write(0x06); /* n-line inversion: 6 lines */ - ssd1783_cmd_write(CMD_RESCMD); /* reserved command in datasheet? */ - ssd1783_cmd_write(CMD_PWMSEL); /* Select PWM/FRC, Full/8 color mode [3] */ - ssd1783_data_write(0x28); /* fixed */ - ssd1783_data_write(0x2c); /* 5 bits PWM + 1 bit FRC (POR) */ - ssd1783_data_write(0x05); /* Full color mode (0x45 would be 8 color powersaving) */ - - ssd1783_cmd_write(CMD_DISON); /* Display ON */ - ssd1783_clrscr(); /* Clear the display */ -} - -extern const unsigned char fontdata_r8x8_horiz[]; - -/* - * Pixel format for 8-bit mode, 12-bit color, 2 Pixel per 3 byte - * D7, D6, D5, D4, D3, D2, D1, D0: RRRRGGGG (8 bits) 1st write - * D7, D6, D5, D4, D3, D2, D1, D0: BBBBRRRR (8 bits) 2nd write - * D7, D6, D5, D4, D3, D2, D1, D0: GGGGBBBB (8 bits) 3rd write -*/ - -static void ssd1783_goto_xy(int xpos, int ypos) -{ - ssd1783_cmd_write(CMD_PASET); - ssd1783_data_write(xpos); - ssd1783_data_write(xpos + (FONT_HEIGHT-1)); - - ssd1783_cmd_write(CMD_CASET); - ssd1783_data_write(ypos); - ssd1783_data_write(ypos + ((FONT_WIDTH/2)-1)); - - ssd1783_cmd_write(CMD_NOP); -} - -static int ssd1783_putc_col(unsigned char c, int fColor, int bColor) -{ - int i, j; - uint8_t cols = FONT_WIDTH; - uint8_t rows = FONT_HEIGHT; - uint8_t row_slice; - uint8_t rowmask; - uint16_t pixel0; /* left pixel */ - uint16_t pixel1; /* right pixel */ - - ssd1783_cmd_write(CMD_RAMWR); - - for (i = 0; i < rows; i++) { - row_slice = fontdata_r8x8_horiz[(FONT_WIDTH * c)+i]; - printd("\nSSD1783 FontData=0x%02hx", row_slice); - rowmask = 0x80; - for (j = 0; j < cols; j += 2) { - if (!(row_slice & rowmask)) - pixel0 = bColor; - else - pixel0 = fColor; - rowmask = rowmask >> 1; - if (!(row_slice & rowmask)) - pixel1 = bColor; - else - pixel1 = fColor; - rowmask = rowmask >> 1; - /* Write the RGB-RGB pixel data */ - ssd1783_data_write((pixel0 >> 4) & 0xff); - ssd1783_data_write(((pixel0 & 0x00f) << 4) | ((pixel1 >> 8) & 0x00f)); - ssd1783_data_write(pixel1 & 0xff); - } - } - ssd1783_cmd_write(CMD_NOP); - - return c; -} - -static int ssd1783_puts_col(const char *str, int txtline, int fColor, int bColor) -{ - int i; - for (i = 0; *str != 0x00; i += (FONT_WIDTH/2)) { - ssd1783_goto_xy(((txtline*FONT_HEIGHT)+LCD_TOP_FREE_ROWS), - (i + LCD_LEFT_FREE_COLS)); - ssd1783_putc_col(*str++, fColor, bColor); - } - - return 0; -} - -/* interface to display driver core */ - -static void ssd1783_set_attr(unsigned long attr) -{ - /* FIXME */ -} - -static int ssd1783_putc(unsigned int c) -{ - return ssd1783_putc_col(c, BLACK, WHITE); -} - -static int ssd1783_puts(const char *str) -{ - return ssd1783_puts_col(str, 0, BLACK, WHITE); -} - -const struct display_driver ssd1783_display = { - .name = "ssd1783", - .init = &ssd1783_init, - .set_attr = &ssd1783_set_attr, - .unset_attr = &ssd1783_set_attr, - .clrscr = &ssd1783_clrscr, - .goto_xy = &ssd1783_goto_xy, - .putc = &ssd1783_putc, - .puts = &ssd1783_puts, -}; |