* \author Andrea Righi <arighi@develer.com>
*/
+#include "hw/hw_rit128x96.h"
+
+#include "cfg/compiler.h"
+#include "cfg/cfg_gfx.h"
+
#include <cpu/irq.h>
-#include "io/lm3s.h"
-#include "drv/timer.h"
-extern unsigned long ticks;
+#include <drv/timer.h>
+#include <drv/ser.h>
+#include <drv/kbd.h>
+#include <drv/lcd_rit128x96.h>
-int main(void)
-{
- timer_hw_init();
+#include <gfx/gfx.h>
+#include <gfx/font.h>
+#include <gfx/text.h>
+
+#include <gui/menu.h>
+
+#include <icons/logo.h>
+
+#include <stdio.h>
+
+
+
+#define PROC_STACK_SIZE KERN_MINSTACKSIZE * 2
+
+#if CONFIG_KERN_HEAP
+#define hp_stack NULL
+#define lp_stack NULL
+#define ser_stack NULL
+#define led_stack NULL
+#else
+static PROC_DEFINE_STACK(hp_stack, PROC_STACK_SIZE);
+static PROC_DEFINE_STACK(lp_stack, PROC_STACK_SIZE);
+static PROC_DEFINE_STACK(ser_stack, PROC_STACK_SIZE);
+static PROC_DEFINE_STACK(led_stack, PROC_STACK_SIZE);
+#endif
+
+extern Font font_gohu;
+static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
+static Bitmap lcd_bitmap;
+
+#define KEY_MASK (K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK)
+static Process *hp_proc, *lp_proc, *led_proc;
+static hptime_t start, end;
+
+static Serial ser_port;
+
+static void led_init(void)
+{
/* Enable the GPIO port that is used for the on-board LED */
SYSCTL_RCGC2_R = SYSCTL_RCGC2_GPIOG;
/*
/* Enable the GPIO pin for the LED */
GPIO_PORTG_DIR_R = 0x04;
GPIO_PORTG_DEN_R = 0x04;
+}
+
+INLINE void led_on(void)
+{
+ GPIO_PORTG_DATA_R |= 0x04;
+}
+
+INLINE void led_off(void)
+{
+ GPIO_PORTG_DATA_R &= ~0x04;
+}
+
+static bool led_blinking;
+
+static void NORETURN led_process(void)
+{
+ int i;
+
+ for (i = 0; ; i++)
+ {
+ if (!led_blinking)
+ {
+ led_off();
+ sig_wait(SIG_USER0);
+ }
+ if (i & 1)
+ led_on();
+ else
+ led_off();
+ timer_delay(50);
+ }
+}
+
+static void led_test(UNUSED_ARG(Bitmap *, bm))
+{
+ led_blinking = !led_blinking;
+ sig_send(led_proc, SIG_USER0);
+}
+
+static void bouncing_logo(Bitmap *bm)
+{
+ const long SPEED_SCALE = 1000;
+ const long GRAVITY_ACCEL = 100;
+ const long BOUNCE_ELASTICITY = 1;
+ long h = (long)(-bertos_logo.height) * SPEED_SCALE;
+ long speed = 0, i;
+
+ for (i = 0; ; i++)
+ {
+ /* Move */
+ h += speed;
+
+ /* Gravity acceleration */
+ speed += GRAVITY_ACCEL;
+
+ if (h > 0 && speed > 0)
+ {
+ /* Bounce */
+ speed = -(speed / BOUNCE_ELASTICITY);
+
+ }
+ /* 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);
+ text_xprintf(bm, 7, 0, TEXT_FILL | TEXT_CENTER, "Press SELECT to quit");
+ rit128x96_blitBitmap(bm);
+ timer_delay(5);
+ if (kbd_peek() & KEY_MASK)
+ break;
+ }
+}
+
+static void screen_saver(Bitmap *bm)
+{
+ int x1, y1, x2, y2;
+ int i;
+
+ for (i = 0; ; i++)
+ {
+ x1 = i % LCD_WIDTH;
+ y1 = i % LCD_HEIGHT;
+
+ x2 = LCD_WIDTH - i % LCD_WIDTH;
+ y2 = LCD_HEIGHT - i % LCD_HEIGHT;
+
+ gfx_bitmapClear(bm);
+ gfx_rectDraw(bm, x1, y1, x2, y2);
+ rit128x96_blitBitmap(bm);
+ if (kbd_peek() & KEY_MASK)
+ break;
+ }
+}
+
+INLINE hptime_t get_hp_ticks(void)
+{
+ return (TIMER_HW_CNT - timer_hw_hpread()) +
+ timer_clock_unlocked() * TIMER_HW_CNT;
+}
+
+static void NORETURN hp_process(void)
+{
+ while (1)
+ {
+ sig_wait(SIG_USER0);
+ end = get_hp_ticks();
+ timer_delay(100);
+ sig_send(lp_proc, SIG_USER0);
+ }
+}
+
+static void NORETURN lp_process(void)
+{
+ while (1)
+ {
+ start = get_hp_ticks();
+ sig_send(hp_proc, SIG_USER0);
+ sig_wait(SIG_USER0);
+ }
+}
+
+static void res_process(void)
+{
+ const char spinner[] = {'/', '-', '\\', '|'};
+ int i;
+ char c;
+
+ for (i = 0; ; i++)
+ {
+ /* Show context switch (in clock cycles) */
+ c = spinner[i % countof(spinner)];
+ text_xprintf(&lcd_bitmap, 3, 0, TEXT_CENTER | TEXT_FILL, "%c Context switch %c", c, c);
+ text_xprintf(&lcd_bitmap, 5, 0, TEXT_FILL, " %lu clock cycles", end - start);
+ /* Show context switch (in usec) */
+ text_xprintf(&lcd_bitmap, 6, 0, TEXT_FILL,
+ " %lu.%lu usec",
+ ((end - start) * 1000000) / CPU_FREQ,
+ ((end - start) * (100000000 / CPU_FREQ)) % 100);
+ rit128x96_blitBitmap(&lcd_bitmap);
+ timer_delay(5);
+ if (kbd_peek() & KEY_MASK)
+ break;
+ }
+}
+
+static void context_switch_test(Bitmap *bm)
+{
+ gfx_bitmapClear(bm);
+ text_xprintf(bm, 0, 0, TEXT_FILL,
+ "CPU: Cortex-M3 %luMHz", CPU_FREQ / 1000000);
+ rit128x96_blitBitmap(bm);
+ text_xprintf(bm, 1, 0, TEXT_FILL, "Board: LM3S1968 EVB");
+ rit128x96_blitBitmap(bm);
+
+ res_process();
+}
+
+static void uptime(Bitmap *bm)
+{
+ extern const Font font_luBS14;
+ const Font *old_font;
+
+ old_font = bm->font;
+
+ /* Set big font */
+ gfx_bitmapClear(bm);
+ gfx_setFont(bm, &font_luBS14);
+ text_xprintf(bm, 0, 0, TEXT_FILL | TEXT_CENTER, "Uptime");
+ while (1)
+ {
+ ticks_t clock = ticks_to_ms(timer_clock_unlocked());
+
+ /* Display uptime (in ticks) */
+ text_xprintf(&lcd_bitmap, 2, 0, TEXT_FILL | TEXT_CENTER,
+ "%lu", clock / 1000);
+ rit128x96_blitBitmap(bm);
+ timer_delay(5);
+ if (kbd_peek() & KEY_MASK)
+ break;
+ }
+ gfx_setFont(bm, old_font);
+}
+
+static void NORETURN soft_reset(Bitmap * bm)
+{
+ extern const Font font_luBS14;
+ int i;
+
+ /* Set big font */
+ gfx_bitmapClear(bm);
+ gfx_setFont(bm, &font_luBS14);
+ for (i = 5; i; --i)
+ {
+ text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "%d", i);
+ rit128x96_blitBitmap(bm);
+ timer_delay(1000);
+ }
+ text_xprintf(bm, 2, 0, TEXT_FILL | TEXT_CENTER, "REBOOT");
+ rit128x96_blitBitmap(bm);
+ timer_delay(1000);
+
+ /* Perform a software reset request */
+ HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | NVIC_APINT_SYSRESETREQ;
+ UNREACHABLE();
+}
+
+static void NORETURN ser_process(void)
+{
+ char buf[32];
+ int i;
+
+ ser_init(&ser_port, SER_UART0);
+ ser_setbaudrate(&ser_port, 115200);
+
+ /* BeRTOS terminal */
+ for (i = 0; ; i++)
+ {
+ kfile_printf(&ser_port.fd, "\n\r[%03d] BeRTOS:~$ ", i);
+ kfile_gets_echo(&ser_port.fd, buf, sizeof(buf), true);
+ kfile_printf(&ser_port.fd, "%s", buf);
+ }
+}
+
+static struct MenuItem main_items[] =
+{
+ { (const_iptr_t)"LED blinking", 0, (MenuHook)led_test, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Bouncing logo", 0, (MenuHook)bouncing_logo, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Screen saver demo", 0, (MenuHook)screen_saver, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Scheduling test", 0, (MenuHook)context_switch_test, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Show uptime", 0, (MenuHook)uptime, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)"Reboot", 0, (MenuHook)soft_reset, (iptr_t)&lcd_bitmap },
+ { (const_iptr_t)0, 0, NULL, (iptr_t)0, }
+};
+
+static struct Menu main_menu = { main_items, "BeRTOS", MF_STICKY | MF_SAVESEL, &lcd_bitmap, 0, rit128x96_blitBitmap };
+
+int main(void)
+{
+ IRQ_ENABLE;
+ kdbg_init();
+
+ kputs("Init LED..");
+ led_init();
+ kputs("Done.\n");
+ kputs("Init Timer..");
+ timer_init();
+ kputs("Done.\n");
+ kputs("Init Process..");
+ proc_init();
+ kputs("Done.\n");
+ kputs("Init OLED display..");
+ rit128x96_init();
+ gfx_bitmapInit(&lcd_bitmap, raster, LCD_WIDTH, LCD_HEIGHT);
+ gfx_setFont(&lcd_bitmap, &font_gohu);
+ rit128x96_blitBitmap(&lcd_bitmap);
+ kputs("Done.\n");
+ kputs("Init Keypad..");
+ kbd_init();
+ kputs("Done.\n");
+
+ hp_proc = proc_new(hp_process, NULL, PROC_STACK_SIZE, hp_stack);
+ lp_proc = proc_new(lp_process, NULL, PROC_STACK_SIZE, lp_stack);
+ led_proc = proc_new(led_process, NULL, PROC_STACK_SIZE, led_stack);
+ /* Open a dummy echo terminal on UART0 */
+ proc_new(ser_process, NULL, PROC_STACK_SIZE, ser_stack);
+
+ proc_setPri(hp_proc, 2);
+ proc_setPri(lp_proc, 1);
- while(1)
+ while (1)
{
- /* Turn on the LED */
- if ((ticks & 0x04) == 0x04)
- GPIO_PORTG_DATA_R |= 0x04;
- /* Turn off the LED */
- else if ((ticks & 0x04) == 0)
- GPIO_PORTG_DATA_R &= ~0x04;
+ menu_handle(&main_menu);
+ cpu_relax();
}
}
projects / bertos.git / blobdiff