diff options
| -rw-r--r-- | bsp/mini2440/SConstruct | 2 | ||||
| -rw-r--r-- | bsp/mini2440/application.c | 28 | ||||
| -rw-r--r-- | bsp/mini2440/board.c | 39 | ||||
| -rw-r--r-- | bsp/mini2440/led.c | 35 | ||||
| -rw-r--r-- | bsp/mini2440/led.h | 28 |
5 files changed, 121 insertions, 11 deletions
diff --git a/bsp/mini2440/SConstruct b/bsp/mini2440/SConstruct index da6b4e589f..97161e70fe 100644 --- a/bsp/mini2440/SConstruct +++ b/bsp/mini2440/SConstruct @@ -35,7 +35,7 @@ if rtconfig.RT_USING_DFS: if rtconfig.RT_USING_LWIP:
objs = objs + SConscript(RTT_ROOT + '/net/lwip/SConscript', variant_dir='build/net/lwip', duplicate=0)
-src_bsp = ['application.c', 'startup.c', 'board.c']
+src_bsp = ['application.c', 'startup.c', 'board.c','led.c']
src_drv = ['console.c']
if rtconfig.RT_USING_DFS:
diff --git a/bsp/mini2440/application.c b/bsp/mini2440/application.c index 24c62ac67b..2695e75cb4 100644 --- a/bsp/mini2440/application.c +++ b/bsp/mini2440/application.c @@ -20,6 +20,7 @@ #include <board.h>
#include <rtthread.h>
+#include "led.h"
#ifdef RT_USING_DFS
/* dfs init */
@@ -87,23 +88,50 @@ void rt_init_thread_entry(void* parameter) #endif
}
+void rt_led_thread_entry(void* parameter)
+{
+ while(1)
+ {
+ /* led on 1s */
+ rt_hw_led_on(LED2|LED3);
+ rt_thread_delay(100);
+
+ /* led off 1s */
+ rt_hw_led_off(LED2|LED3);
+ rt_thread_delay(100);
+
+ }
+}
+
int rt_application_init()
{
rt_thread_t init_thread;
+ rt_thread_t led_thread;
#if (RT_THREAD_PRIORITY_MAX == 32)
init_thread = rt_thread_create("init",
rt_init_thread_entry, RT_NULL,
2048, 8, 20);
+
+ led_thread = rt_thread_create("led",
+ rt_led_thread_entry, RT_NULL,
+ 512, 20, 20);
#else
init_thread = rt_thread_create("init",
rt_init_thread_entry, RT_NULL,
2048, 80, 20);
+
+ led_thread = rt_thread_create("led",
+ rt_led_thread_entry, RT_NULL,
+ 512, 200, 20);
#endif
if (init_thread != RT_NULL)
rt_thread_startup(init_thread);
+ if(led_thread != RT_NULL)
+ rt_thread_startup(led_thread);
+
return 0;
}
diff --git a/bsp/mini2440/board.c b/bsp/mini2440/board.c index 7b6a1d862c..cba3915356 100644 --- a/bsp/mini2440/board.c +++ b/bsp/mini2440/board.c @@ -19,6 +19,7 @@ #include <rthw.h> #include "board.h" +#include "led.h" /** * @addtogroup mini2440 @@ -41,7 +42,6 @@ extern void rt_hw_get_clock(void); extern void rt_hw_set_dividor(rt_uint8_t hdivn, rt_uint8_t pdivn); extern void rt_hw_set_clock(rt_uint8_t sdiv, rt_uint8_t pdiv, rt_uint8_t mdiv); -static rt_uint32_t timer_load_val = 0; #define UART0 ((struct uartport *)U0BASE) struct serial_int_rx uart0_int_rx; @@ -58,9 +58,6 @@ struct rt_device uart0_device; */ void rt_timer_handler(int vector) { - /* reset TDATA0 */ - TCNTB4 = timer_load_val; - rt_tick_increase(); } @@ -116,6 +113,29 @@ void rt_hw_uart_init(void) } /** + * This function will init timer4 for system ticks + */ + void rt_hw_timer_init() + { + /* timer4, pre = 15+1 */ + TCFG0 &= 0xffff00ff; + TCFG0 |= 15 << 8; + /* all are interrupt mode,set Timer 4 MUX 1/4 */ + TCFG1 &= 0xfff0ffff; + TCFG1 |= 0x00010000; + + TCNTB4 = (rt_int32_t)(PCLK / (4 *16* RT_TICK_PER_SECOND)) - 1; + /* manual update */ + TCON = TCON & (~(0x0f<<20)) | (0x02<<20); + /* install interrupt handler */ + rt_hw_interrupt_install(INTTIMER4, rt_timer_handler, RT_NULL); + rt_hw_interrupt_umask(INTTIMER4); + + /* start timer4, reload */ + TCON = TCON & (~(0x0f<<20)) | (0x05<<20); + } + +/** * This function will init s3ceb2410 board */ void rt_hw_board_init() @@ -126,6 +146,9 @@ void rt_hw_board_init() /* Get the clock */ rt_hw_get_clock(); + /* initialize led port */ + rt_hw_led_init(); + /* initialize uart */ rt_hw_uart_init(); @@ -139,12 +162,8 @@ void rt_hw_board_init() rt_hw_touch_init(); #endif - /* install interrupt handler */ - rt_hw_interrupt_install(INTTIMER4, rt_timer_handler, RT_NULL); - rt_hw_interrupt_umask(INTTIMER4); - - /* stop timer */ - /* TCON = 0x0; */ + /* initialize timer4 */ + rt_hw_timer_init(); } /*@}*/ diff --git a/bsp/mini2440/led.c b/bsp/mini2440/led.c new file mode 100644 index 0000000000..246c1cf307 --- /dev/null +++ b/bsp/mini2440/led.c @@ -0,0 +1,35 @@ +/*
+ * File : led.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2009-12-27 rdghx mini2440
+ */
+
+#include <s3c24x0.h>
+#include "led.h"
+
+void rt_hw_led_init(void)
+{
+ /* GPB5,GPB6,GPB7,GPB8 for LED */
+ GPBCON = GPBCON & (~(0xff << 10)) | (0x55 << 10);
+ GPBUP |= (0x0f << 5);
+}
+
+void rt_hw_led_on(unsigned char value)
+{
+ GPBDAT &= ~ ((value & 0x0f) << 5);
+}
+
+void rt_hw_led_off(unsigned char value)
+{
+ GPBDAT |= (value & 0x0f) << 5;
+}
+
+
diff --git a/bsp/mini2440/led.h b/bsp/mini2440/led.h new file mode 100644 index 0000000000..874353ebc3 --- /dev/null +++ b/bsp/mini2440/led.h @@ -0,0 +1,28 @@ +/*
+ * File : led.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2009-12-27 rdghx mini2440
+ */
+
+#ifndef __LED_H__
+#define __LED_H__
+
+#define LED1 0x01
+#define LED2 0x02
+#define LED3 0x04
+#define LED4 0x08
+#define LED_ALL 0x0f
+
+void rt_hw_led_init(void);
+void rt_hw_led_on(unsigned char value);
+void rt_hw_led_off(unsigned char value);
+
+#endif
|