--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \brief LM3S1986: OLED-RIT-128x96 (P14201) low-level hardware macros
+ *
+ * \author Andrea Righi <arighi@develer.com>
+ */
+
+#ifndef HW_LCD_H
+#define HW_LCD_H
+
+#include <cfg/macros.h> /* BV() */
+#include <cfg/debug.h>
+
+#include <cpu/attr.h>
+#include <cpu/irq.h>
+#include <cpu/types.h>
+
+#include <drv/clock_lm3s.h>
+#include <drv/ssi_lm3s.h>
+#include <drv/gpio_lm3s.h>
+
+#include <drv/lcd_rit128x96.h>
+
+/**
+ * \name LCD I/O pins/ports
+ * @{
+ */
+/* OLED Data/Command control pin */
+#define GPIO_OLEDDC_PIN BV(2)
+
+/* OLED enable pin */
+#define GPIO_OLEDEN_PIN BV(3)
+/*@}*/
+
+/**
+ * \name LCD bus control macros
+ * @{
+ */
+/* Enter command mode */
+#define LCD_SET_COMMAND() \
+ lm3s_gpio_pin_write(GPIO_PORTH_BASE, GPIO_OLEDDC_PIN, 0)
+
+/* Enter data mode */
+#define LCD_SET_DATA() \
+ lm3s_gpio_pin_write(GPIO_PORTH_BASE, GPIO_OLEDDC_PIN, GPIO_OLEDDC_PIN)
+
+/* Send data to the display */
+#define LCD_WRITE(x) lm3s_ssiWriteFrame(SSI0_BASE, x)
+
+/* Read data from the display */
+#define LCD_READ() \
+ ({ \
+ uint32_t frame; \
+ lm3s_ssiReadFrame(SSI0_BASE, &frame); \
+ frame; \
+ })
+/*@}*/
+
+INLINE void lcd_bus_init(void)
+{
+ cpu_flags_t flags;
+ uint32_t dummy;
+
+ IRQ_SAVE_DISABLE(flags);
+
+ /* Enable the peripheral clock */
+ SYSCTL_RCGC1_R |= SYSCTL_RCGC1_SSI0;
+ SYSCTL_RCGC2_R |= SYSCTL_RCGC2_GPIOA;
+ SYSCTL_RCGC2_R |= SYSCTL_RCGC2_GPIOH;
+ __delay(512);
+
+ /* Configure the SSI0CLK and SSIOTX pins for SSI operation. */
+ lm3s_gpio_pin_config(GPIO_PORTA_BASE, BV(2) | BV(3) | BV(5),
+ GPIO_DIR_MODE_HW, GPIO_STRENGTH_8MA, GPIO_PIN_TYPE_STD_WPU);
+ /*
+ * Configure the GPIO port pin used as a D/C# signal (data/command
+ * control) for OLED device, and the port pin used to enable power to
+ * the OLED panel.
+ */
+ lm3s_gpio_pin_config(GPIO_PORTH_BASE, GPIO_OLEDDC_PIN | GPIO_OLEDEN_PIN,
+ GPIO_DIR_MODE_OUT, GPIO_STRENGTH_8MA, GPIO_PIN_TYPE_STD);
+ lm3s_gpio_pin_write(GPIO_PORTH_BASE, GPIO_OLEDDC_PIN | GPIO_OLEDEN_PIN,
+ GPIO_OLEDDC_PIN | GPIO_OLEDEN_PIN);
+
+ /* Configure the SSI0 port for master mode */
+ lm3s_ssiOpen(SSI0_BASE, SSI_FRF_MOTO_MODE_2,
+ SSI_MODE_MASTER, CPU_FREQ / 2, 8);
+ /*
+ * Configure the GPIO port pin used as a D/Cn signal for OLED device,
+ * and the port pin used to enable power to the OLED panel.
+ */
+ lm3s_gpio_pin_config(GPIO_PORTA_BASE, GPIO_OLEDEN_PIN,
+ GPIO_DIR_MODE_HW, GPIO_STRENGTH_8MA, GPIO_PIN_TYPE_STD_WPU);
+
+ /* Drain the SSI RX FIFO */
+ while (lm3s_ssiReadFrameNonBlocking(SSI0_BASE, &dummy));
+
+ IRQ_RESTORE(flags);
+}
+
+#endif /* HW_LCD_H */
#include <cfg/cfg_gfx.h>
#include <cpu/irq.h>
#include <drv/timer.h>
-#include <drv/lcd_lm3s.h>
#include <io/lm3s.h>
#include <gfx/gfx.h>
#include <gfx/font.h>
#include <icons/logo.h>
#include <stdio.h>
+#include "hw/hw_lcd.h"
+
#define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
#if CONFIG_KERN_HEAP
((end - start) * 1000000) / CPU_FREQ,
((end - start) * (100000000 / CPU_FREQ)) % 100);
text_xprintf(&bm, 7, 0, TEXT_FILL, buffer);
- lm3s_lcd_blitBitmap(&bm);
+ rit128x96_lcd_blitBitmap(&bm);
/* Blink the status LED and restart the test */
led_off();
}
/* Update graphics */
+ gfx_bitmapClear(bm);
gfx_blitImage(bm,
(LCD_WIDTH - bertos_logo.width) / 2,
(LCD_HEIGHT - bertos_logo.height) / 2 + h / SPEED_SCALE,
&bertos_logo);
- lm3s_lcd_blitBitmap(bm);
+ rit128x96_lcd_blitBitmap(bm);
timer_delay(5);
}
}
proc_init();
kputs("Done.\n");
kputs("Init OLED display..");
- lm3s_lcd_init(CPU_FREQ / 2);
+ rit128x96_lcd_init();
gfx_bitmapInit(&bm, raster, LCD_WIDTH, LCD_HEIGHT);
gfx_setFont(&bm, &font_helvB10);
kputs("Done.\n");
bouncing_logo(&bm);
-
gfx_bitmapClear(&bm);
#ifdef _DEBUG
text_xprintf(&bm, 4, 0, TEXT_CENTER | TEXT_FILL, "BeRTOS up & running!");
- lm3s_lcd_blitBitmap(&bm);
+ rit128x96_lcd_blitBitmap(&bm);
proc_testRun();
#endif
snprintf(buffer, sizeof(buffer),
"CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
text_xprintf(&bm, 0, 0, TEXT_FILL, buffer);
- lm3s_lcd_blitBitmap(&bm);
+ rit128x96_lcd_blitBitmap(&bm);
text_xprintf(&bm, 1, 0, TEXT_FILL, "Board: LM3S1968 EVB");
- lm3s_lcd_blitBitmap(&bm);
+ rit128x96_lcd_blitBitmap(&bm);
hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
projects / bertos.git / commitdiff