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Release 0.67.

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- Code cleanup
- Some project files added
- PAL linetriple added
- FPGA PLL parameters optimized
- Reduced jitter on low video clock sources
This commit is contained in:
marqs
2016-03-27 22:40:44 +03:00
parent 388c464f63
commit f502b2e46c
30 changed files with 3680 additions and 2691 deletions
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software/sys_controller/spi_charlcd/lcd.c
+78 -76
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@@ -1,5 +1,5 @@
//
// Copyright (C) 2015 Markus Hiienkari <mhiienka@niksula.hut.fi>
// Copyright (C) 2015-2016 Markus Hiienkari <mhiienka@niksula.hut.fi>
//
// This file is part of Open Source Scan Converter project.
//
@@ -21,87 +21,89 @@
#include "alt_types.h"
#include "altera_avalon_pio_regs.h"
#define LCD_CMD 0x00
#define LCD_DATA 0x40
#define LCD_CMD 0x00
#define LCD_DATA 0x40
#define WRDELAY 20
#define CLEARDELAY 800
#define WRDELAY 20
#define CLEARDELAY 800
void lcd_init() {
void lcd_init()
{
alt_u8 lcd_ctrl = 0x00;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x38); // function set
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x39); // function set, select extended table (IS=1)
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x14); // osc freq
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x71); // contrast set
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x5E); // power/icon/cont
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x6D); // follower control
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x0C); // display on
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x01); // clear display
usleep(CLEARDELAY);
SPI_write(I2CA_BASE, 0x06); // entry mode set
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x02); // return home
usleep(CLEARDELAY);
lcd_ctrl |= LCD_CS_N;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
}
void lcd_write(char *row1, char *row2) {
alt_u8 i, rowlen;
alt_u8 lcd_ctrl = 0x00;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
SPI_write(I2CA_BASE, 0x01); // clear display
usleep(CLEARDELAY);
// Set RS to enter data write mode
lcd_ctrl |= LCD_RS;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
//ensure no empty row
rowlen = strnlen(row1, LCD_ROW_LEN);
if (rowlen == 0) {
strncpy(row1, " ", LCD_ROW_LEN+1);
rowlen++;
}
for (i=0; i<rowlen; i++) {
SPI_write(I2CA_BASE, row1[i]);
usleep(WRDELAY);
}
// second row
lcd_ctrl &= ~LCD_RS;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
SPI_write(I2CA_BASE, (1<<7)|0x40);
usleep(WRDELAY);
lcd_ctrl |= LCD_RS;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
//ensure no empty row
rowlen = strnlen(row2, LCD_ROW_LEN);
if (rowlen == 0) {
strncpy(row2, " ", LCD_ROW_LEN+1);
rowlen++;
}
for (i=0; i<rowlen; i++) {
SPI_write(I2CA_BASE, row2[i]);
usleep(WRDELAY);
}
SPI_write(I2CA_BASE, 0x38); // function set
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x39); // function set, select extended table (IS=1)
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x14); // osc freq
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x71); // contrast set
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x5E); // power/icon/cont
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x6D); // follower control
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x0C); // display on
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x01); // clear display
usleep(CLEARDELAY);
SPI_write(I2CA_BASE, 0x06); // entry mode set
usleep(WRDELAY);
SPI_write(I2CA_BASE, 0x02); // return home
usleep(CLEARDELAY);
lcd_ctrl |= LCD_CS_N;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
}
void lcd_write(char *row1, char *row2)
{
alt_u8 i, rowlen;
alt_u8 lcd_ctrl = 0x00;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
SPI_write(I2CA_BASE, 0x01); // clear display
usleep(CLEARDELAY);
// Set RS to enter data write mode
lcd_ctrl |= LCD_RS;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
//ensure no empty row
rowlen = strnlen(row1, LCD_ROW_LEN);
if (rowlen == 0) {
strncpy(row1, " ", LCD_ROW_LEN+1);
rowlen++;
}
for (i=0; i<rowlen; i++) {
SPI_write(I2CA_BASE, row1[i]);
usleep(WRDELAY);
}
// second row
lcd_ctrl &= ~LCD_RS;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
SPI_write(I2CA_BASE, (1<<7)|0x40);
usleep(WRDELAY);
lcd_ctrl |= LCD_RS;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
//ensure no empty row
rowlen = strnlen(row2, LCD_ROW_LEN);
if (rowlen == 0) {
strncpy(row2, " ", LCD_ROW_LEN+1);
rowlen++;
}
for (i=0; i<rowlen; i++) {
SPI_write(I2CA_BASE, row2[i]);
usleep(WRDELAY);
}
lcd_ctrl |= LCD_CS_N;
IOWR_ALTERA_AVALON_PIO_DATA(PIO_5_BASE, lcd_ctrl);
software/sys_controller/spi_charlcd/lcd.h
+1 -1
View File
@@ -1,5 +1,5 @@
//
// Copyright (C) 2015 Markus Hiienkari <mhiienka@niksula.hut.fi>
// Copyright (C) 2015-2016 Markus Hiienkari <mhiienka@niksula.hut.fi>
//
// This file is part of Open Source Scan Converter project.
//