X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=examples%2Flm3s1968%2Flm3s1968.c;h=8ae3b4a1eb21f6c7ae555eb06d23fefff808afe0;hb=c851049cc46e33cbcff7c43ce69400798eb8e209;hp=46451e5e81d0df5a887813b474bf744b79926011;hpb=c05941e41ee333ab29af6bb62ecc08862c7321fd;p=bertos.git diff --git a/examples/lm3s1968/lm3s1968.c b/examples/lm3s1968/lm3s1968.c index 46451e5e..8ae3b4a1 100644 --- a/examples/lm3s1968/lm3s1968.c +++ b/examples/lm3s1968/lm3s1968.c @@ -35,37 +35,54 @@ * \author Andrea Righi */ -#include -#include +#include "hw/hw_rit128x96.h" + +#include "cfg/compiler.h" +#include "cfg/cfg_gfx.h" + #include + #include -#include +#include +#include +#include + #include #include #include + +#include + #include + #include -#include "hw/hw_lcd.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 -static Process *hp_proc, *lp_proc, *res_proc; +extern Font font_gohu; +static uint8_t raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)]; +static Bitmap lcd_bitmap; -static hptime_t start, end; +#define KEY_MASK (K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK) -static uint8_t raster[RAST_SIZE(128, 96)]; -static Bitmap bm; +static Process *hp_proc, *lp_proc, *led_proc; +static hptime_t start, end; -extern Font font_helvB10; +static Serial ser_port; static void led_init(void) { @@ -91,66 +108,104 @@ INLINE void led_off(void) GPIO_PORTG_DATA_R &= ~0x04; } -INLINE hptime_t get_hp_ticks(void) +static bool led_blinking; + +static void NORETURN led_process(void) { - return (TIMER_HW_CNT - timer_hw_hpread()) + - timer_clock_unlocked() * TIMER_HW_CNT; + 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 NORETURN res_process(void) +static void led_test(UNUSED_ARG(Bitmap *, bm)) { - const char spinner[] = {'/', '-', '\\', '|'}; - char buffer[256], c; - int i; + 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++) { - ticks_t clock; + /* Move */ + h += speed; - sig_wait(SIG_USER0); - clock = timer_clock_unlocked(); + /* Gravity acceleration */ + speed += GRAVITY_ACCEL; - /* Display uptime (in ticks) */ - buffer[sizeof(buffer) - 1] = '\0'; - snprintf(buffer, sizeof(buffer) - 1, - "uptime: %lu sec", clock / 1000); - text_xprintf(&bm, 2, 0, TEXT_FILL, buffer); + if (h > 0 && speed > 0) + { + /* Bounce */ + speed = -(speed / BOUNCE_ELASTICITY); - /* Show context switch (in clock cycles) */ - c = spinner[i % countof(spinner)]; - buffer[sizeof(buffer) - 1] = '\0'; - snprintf(buffer, sizeof(buffer) - 1, - "%c Context switch %c", c, c); - text_xprintf(&bm, 4, 0, TEXT_CENTER | TEXT_FILL, buffer); - buffer[sizeof(buffer) - 1] = '\0'; - snprintf(buffer, sizeof(buffer) - 1, - " %lu clock cycles", end - start); - text_xprintf(&bm, 6, 0, TEXT_FILL, buffer); + } + /* 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; + } +} - /* Show context switch (in usec) */ - buffer[sizeof(buffer) - 1] = '\0'; - snprintf(buffer, sizeof(buffer) - 1, - " %lu.%lu usec", - ((end - start) * 1000000) / CPU_FREQ, - ((end - start) * (100000000 / CPU_FREQ)) % 100); - text_xprintf(&bm, 7, 0, TEXT_FILL, buffer); - rit128x96_lcd_blitBitmap(&bm); +static void screen_saver(Bitmap *bm) +{ + int x1, y1, x2, y2; + int i; - /* Blink the status LED and restart the test */ - led_off(); - timer_delay(100); - led_on(); - sig_send(lp_proc, SIG_USER0); + 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(); - sig_send(res_proc, SIG_USER0); + timer_delay(100); + sig_send(lp_proc, SIG_USER0); } } @@ -164,47 +219,123 @@ static void NORETURN lp_process(void) } } -/** - * Show the splash screen - */ -static void bouncing_logo(Bitmap *bm) +static void res_process(void) { - const long SPEED_SCALE = 1000; - const long GRAVITY_ACCEL = 100; - const long BOUNCE_ELASTICITY = 2; - const long TOT_FRAMES = 100; - long h = (long)(-bertos_logo.height) * SPEED_SCALE; - long speed = 0, i; + const char spinner[] = {'/', '-', '\\', '|'}; + int i; + char c; - for (i = 0; i < TOT_FRAMES; i++) + for (i = 0; ; i++) { - /* Move */ - h += speed; + /* 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; + } +} - /* Gravity acceleration */ - speed += GRAVITY_ACCEL; +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); - if (h > 0 && speed > 0) - { - /* Bounce */ - speed = -(speed / BOUNCE_ELASTICITY); + res_process(); +} - } - /* 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); - rit128x96_lcd_blitBitmap(bm); +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); } -int main(void) +static void NORETURN soft_reset(Bitmap * bm) { - char buffer[32]; + 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(); @@ -218,32 +349,27 @@ int main(void) proc_init(); kputs("Done.\n"); kputs("Init OLED display.."); - rit128x96_lcd_init(); - gfx_bitmapInit(&bm, raster, LCD_WIDTH, LCD_HEIGHT); - gfx_setFont(&bm, &font_helvB10); + 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"); - - bouncing_logo(&bm); - gfx_bitmapClear(&bm); -#ifdef _DEBUG - text_xprintf(&bm, 4, 0, TEXT_CENTER | TEXT_FILL, "BeRTOS up & running!"); - 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); - rit128x96_lcd_blitBitmap(&bm); - text_xprintf(&bm, 1, 0, TEXT_FILL, "Board: LM3S1968 EVB"); - 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); - - res_proc = proc_current(); + 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); - res_process(); + while (1) + { + menu_handle(&main_menu); + cpu_relax(); + } }