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Diffstat (limited to 'bsp/mini2440/drivers/key.c')
-rw-r--r--bsp/mini2440/drivers/key.c454
1 files changed, 227 insertions, 227 deletions
diff --git a/bsp/mini2440/drivers/key.c b/bsp/mini2440/drivers/key.c
index 8c59b0fbdf..c33285c290 100644
--- a/bsp/mini2440/drivers/key.c
+++ b/bsp/mini2440/drivers/key.c
@@ -8,68 +8,68 @@
* 2010-10-01 Yi.Qiu first version
*/
- /*
- * Warning, this keypad driver can only work on QEMU emulator
+ /*
+ * Warning, this keypad driver can only work on QEMU emulator
*/
-
+
#include <rtthread.h>
#include <s3c24x0.h>
#include <rthw.h>
-#define KEY_RX_BUFFER_SIZE 32
+#define KEY_RX_BUFFER_SIZE 32
struct rt_key_device
{
- struct rt_device parent;
+ struct rt_device parent;
- rt_uint32_t rx_buffer[KEY_RX_BUFFER_SIZE];
- rt_uint32_t read_index, save_index;
-};
+ rt_uint32_t rx_buffer[KEY_RX_BUFFER_SIZE];
+ rt_uint32_t read_index, save_index;
+};
static struct rt_key_device *key_device = RT_NULL;
/* save a char to serial buffer */
static void rt_key_savechar(char ch)
{
- rt_base_t level;
-
- /* disable interrupt */
- level = rt_hw_interrupt_disable();
+ rt_base_t level;
+
+ /* disable interrupt */
+ level = rt_hw_interrupt_disable();
- key_device->rx_buffer[key_device->save_index] = ch;
- key_device->save_index ++;
- if (key_device->save_index >= KEY_RX_BUFFER_SIZE)
- key_device->save_index = 0;
-
- /* if the next position is read index, discard this 'read char' */
- if (key_device->save_index == key_device->read_index)
- {
- key_device->read_index ++;
- if (key_device->read_index >= KEY_RX_BUFFER_SIZE)
- key_device->read_index = 0;
- }
+ key_device->rx_buffer[key_device->save_index] = ch;
+ key_device->save_index ++;
+ if (key_device->save_index >= KEY_RX_BUFFER_SIZE)
+ key_device->save_index = 0;
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
+ /* if the next position is read index, discard this 'read char' */
+ if (key_device->save_index == key_device->read_index)
+ {
+ key_device->read_index ++;
+ if (key_device->read_index >= KEY_RX_BUFFER_SIZE)
+ key_device->read_index = 0;
+ }
+
+ /* enable interrupt */
+ rt_hw_interrupt_enable(level);
}
/* ISR for serial interrupt */
static void rt_hw_key_isr(void)
{
- /* save on rx buffer */
- rt_key_savechar(URXH1 & 0xff);
+ /* save on rx buffer */
+ rt_key_savechar(URXH1 & 0xff);
+
+ /* invoke callback */
+ if (key_device->parent.rx_indicate != RT_NULL)
+ {
+ rt_size_t rx_length;
- /* invoke callback */
- if (key_device->parent.rx_indicate != RT_NULL)
- {
- rt_size_t rx_length;
-
- /* get rx length */
- rx_length = key_device->read_index > key_device->save_index ?
- KEY_RX_BUFFER_SIZE - key_device->read_index + key_device->save_index :
- key_device->save_index - key_device->read_index;
+ /* get rx length */
+ rx_length = key_device->read_index > key_device->save_index ?
+ KEY_RX_BUFFER_SIZE - key_device->read_index + key_device->save_index :
+ key_device->save_index - key_device->read_index;
- key_device->parent.rx_indicate(&key_device->parent, rx_length);
- }
+ key_device->parent.rx_indicate(&key_device->parent, rx_length);
+ }
}
/**
@@ -77,14 +77,14 @@ static void rt_hw_key_isr(void)
*/
static void rt_key_handler(int vector)
{
- INTSUBMSK |= (BIT_SUB_RXD1);
+ INTSUBMSK |= (BIT_SUB_RXD1);
- rt_hw_key_isr();
-
- SUBSRCPND |= BIT_SUB_RXD1;
-
- /*Unmask sub interrupt (RXD0)*/
- INTSUBMSK &=~(BIT_SUB_RXD1);
+ rt_hw_key_isr();
+
+ SUBSRCPND |= BIT_SUB_RXD1;
+
+ /*Unmask sub interrupt (RXD0)*/
+ INTSUBMSK &=~(BIT_SUB_RXD1);
}
/**
@@ -92,114 +92,114 @@ static void rt_key_handler(int vector)
*/
static void key_init(void)
{
- int i = 0;
+ int i = 0;
+
+ GPHCON |= 0xa0;
+ /*PULLUP is enable */
+ GPHUP |= 0x0c;
- GPHCON |= 0xa0;
- /*PULLUP is enable */
- GPHUP |= 0x0c;
-
- /* FIFO enable, Tx/Rx FIFO clear */
- UFCON1 = 0x0;
- /* disable the flow control */
- UMCON1= 0x0;
- /* Normal,No parity,1 stop,8 bit */
- ULCON1 = 0x3;
- /*
- * tx=level,rx=edge,disable timeout int.,enable rx error int.,
- * normal,interrupt or polling
- */
- UCON1 = 0x245;
+ /* FIFO enable, Tx/Rx FIFO clear */
+ UFCON1 = 0x0;
+ /* disable the flow control */
+ UMCON1= 0x0;
+ /* Normal,No parity,1 stop,8 bit */
+ ULCON1 = 0x3;
+ /*
+ * tx=level,rx=edge,disable timeout int.,enable rx error int.,
+ * normal,interrupt or polling
+ */
+ UCON1 = 0x245;
- //UBRD0 = div;
- // UBRD0 = 0x500; /* baudrate = 19200bps */
- UBRD1 = 0x1a;
+ //UBRD0 = div;
+ // UBRD0 = 0x500; /* baudrate = 19200bps */
+ UBRD1 = 0x1a;
- UTXH1 = 0x2;
- URXH1 = 0x1;
+ UTXH1 = 0x2;
+ URXH1 = 0x1;
- /* output PCLK to UART0/1, PWMTIMER */
- CLKCON |= 0x0D00;
+ /* output PCLK to UART0/1, PWMTIMER */
+ CLKCON |= 0x0D00;
- for (i = 0; i < 100; i++);
+ for (i = 0; i < 100; i++);
- /* install key isr */
- INTSUBMSK &= ~(BIT_SUB_RXD1);
+ /* install key isr */
+ INTSUBMSK &= ~(BIT_SUB_RXD1);
- rt_hw_interrupt_install(INTUART1, rt_key_handler, RT_NULL , "INTUART1");
- rt_hw_interrupt_umask(INTUART1);
+ rt_hw_interrupt_install(INTUART1, rt_key_handler, RT_NULL , "INTUART1");
+ rt_hw_interrupt_umask(INTUART1);
}
static rt_err_t rt_key_init(rt_device_t dev)
-{
- if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
- {
+{
+ if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
+ {
- if (dev->flag & RT_DEVICE_FLAG_INT_RX)
- {
- rt_memset(key_device->rx_buffer, 0,
- sizeof(key_device->rx_buffer));
- key_device->read_index = key_device->save_index = 0;
- }
+ if (dev->flag & RT_DEVICE_FLAG_INT_RX)
+ {
+ rt_memset(key_device->rx_buffer, 0,
+ sizeof(key_device->rx_buffer));
+ key_device->read_index = key_device->save_index = 0;
+ }
- dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
- }
+ dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
+ }
- return RT_EOK;
+ return RT_EOK;
}
static rt_err_t rt_key_open(rt_device_t dev, rt_uint16_t oflag)
-{
- return RT_EOK;
+{
+ return RT_EOK;
}
static rt_err_t rt_key_close(rt_device_t dev)
-{
- return RT_EOK;
+{
+ return RT_EOK;
}
static rt_size_t rt_key_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
{
- rt_uint8_t* ptr;
- rt_err_t err_code;
- rt_base_t level;
-
- ptr = buffer;
- err_code = RT_EOK;
+ rt_uint8_t* ptr;
+ rt_err_t err_code;
+ rt_base_t level;
+
+ ptr = buffer;
+ err_code = RT_EOK;
- /* interrupt mode Rx */
- while (size)
- {
- if (key_device->read_index != key_device->save_index)
- {
- *ptr++ = key_device->rx_buffer[key_device->read_index];
- size --;
+ /* interrupt mode Rx */
+ while (size)
+ {
+ if (key_device->read_index != key_device->save_index)
+ {
+ *ptr++ = key_device->rx_buffer[key_device->read_index];
+ size --;
- /* disable interrupt */
- level = rt_hw_interrupt_disable();
+ /* disable interrupt */
+ level = rt_hw_interrupt_disable();
- key_device->read_index ++;
- if (key_device->read_index >= KEY_RX_BUFFER_SIZE)
- key_device->read_index = 0;
+ key_device->read_index ++;
+ if (key_device->read_index >= KEY_RX_BUFFER_SIZE)
+ key_device->read_index = 0;
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
- }
- else
- {
- /* set error code */
- err_code = -RT_EEMPTY;
- break;
- }
- }
+ /* enable interrupt */
+ rt_hw_interrupt_enable(level);
+ }
+ else
+ {
+ /* set error code */
+ err_code = -RT_EEMPTY;
+ break;
+ }
+ }
- /* set error code */
- rt_set_errno(err_code);
- return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
+ /* set error code */
+ rt_set_errno(err_code);
+ return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
}
static rt_err_t rt_key_control(rt_device_t dev, int cmd, void *args)
{
- return RT_EOK;
+ return RT_EOK;
}
#ifdef RT_USING_RTGUI
@@ -211,96 +211,96 @@ static int s_key_map[0xff] = {0};
static void rt_keymap_init(void)
{
- s_key_map[0x1] = RTGUIK_ESCAPE;
- s_key_map[0xc] = RTGUIK_MINUS;
- s_key_map[0x39] = RTGUIK_SPACE;
- s_key_map[0xd] = RTGUIK_KP_EQUALS;
- s_key_map[0xe] = RTGUIK_BACKSPACE;
- s_key_map[0xf] = RTGUIK_TAB;
- s_key_map[0x1c] = RTGUIK_KP_ENTER;
- s_key_map[0xb] = RTGUIK_0;
- s_key_map[0x2] = RTGUIK_1;
- s_key_map[0x3] = RTGUIK_2;
- s_key_map[0x4] = RTGUIK_3;
- s_key_map[0x5] = RTGUIK_4;
- s_key_map[0x6] = RTGUIK_5;
- s_key_map[0x7] = RTGUIK_6;
- s_key_map[0x8] = RTGUIK_7;
- s_key_map[0x9] = RTGUIK_8;
- s_key_map[0xa] = RTGUIK_9;
- s_key_map[0x3b] = RTGUIK_F1;
- s_key_map[0x3c] = RTGUIK_F2;
- s_key_map[0x3d] = RTGUIK_F3;
- s_key_map[0x3e] = RTGUIK_F4;
- s_key_map[0xef] = RTGUIK_F5;
- s_key_map[0x40] = RTGUIK_F6;
- s_key_map[0x41] = RTGUIK_F7;
- s_key_map[0x42] = RTGUIK_F8;
- s_key_map[0x43] = RTGUIK_F9;
- s_key_map[0x1e] = RTGUIK_a;
- s_key_map[0x30] = RTGUIK_b;
- s_key_map[0x2c] = RTGUIK_c;
- s_key_map[0x20] = RTGUIK_d;
- s_key_map[0x12] = RTGUIK_e;
- s_key_map[0x21] = RTGUIK_f;
- s_key_map[0x22] = RTGUIK_g;
- s_key_map[0x23] = RTGUIK_h;
- s_key_map[0x17] = RTGUIK_i;
- s_key_map[0x24] = RTGUIK_j;
- s_key_map[0x25] = RTGUIK_k;
- s_key_map[0x26] = RTGUIK_l;
- s_key_map[0x32] = RTGUIK_m;
- s_key_map[0x31] = RTGUIK_n;
- s_key_map[0x18] = RTGUIK_o;
- s_key_map[0x19] = RTGUIK_p;
- s_key_map[0x10] = RTGUIK_q;
- s_key_map[0x13] = RTGUIK_r;
- s_key_map[0x1f] = RTGUIK_s;
- s_key_map[0x14] = RTGUIK_t;
- s_key_map[0x16] = RTGUIK_u;
- s_key_map[0x2f] = RTGUIK_v;
- s_key_map[0x11] = RTGUIK_w;
- s_key_map[0x2d] = RTGUIK_x;
- s_key_map[0x15] = RTGUIK_y;
- s_key_map[0x2c] = RTGUIK_z;
- s_key_map[0x4b] = RTGUIK_LEFT;
- s_key_map[0x4d] = RTGUIK_RIGHT;
- s_key_map[0x50] = RTGUIK_DOWN;
- s_key_map[0x2e] = RTGUIK_DELETE;
- s_key_map[0x48] = RTGUIK_UP;
-}
+ s_key_map[0x1] = RTGUIK_ESCAPE;
+ s_key_map[0xc] = RTGUIK_MINUS;
+ s_key_map[0x39] = RTGUIK_SPACE;
+ s_key_map[0xd] = RTGUIK_KP_EQUALS;
+ s_key_map[0xe] = RTGUIK_BACKSPACE;
+ s_key_map[0xf] = RTGUIK_TAB;
+ s_key_map[0x1c] = RTGUIK_KP_ENTER;
+ s_key_map[0xb] = RTGUIK_0;
+ s_key_map[0x2] = RTGUIK_1;
+ s_key_map[0x3] = RTGUIK_2;
+ s_key_map[0x4] = RTGUIK_3;
+ s_key_map[0x5] = RTGUIK_4;
+ s_key_map[0x6] = RTGUIK_5;
+ s_key_map[0x7] = RTGUIK_6;
+ s_key_map[0x8] = RTGUIK_7;
+ s_key_map[0x9] = RTGUIK_8;
+ s_key_map[0xa] = RTGUIK_9;
+ s_key_map[0x3b] = RTGUIK_F1;
+ s_key_map[0x3c] = RTGUIK_F2;
+ s_key_map[0x3d] = RTGUIK_F3;
+ s_key_map[0x3e] = RTGUIK_F4;
+ s_key_map[0xef] = RTGUIK_F5;
+ s_key_map[0x40] = RTGUIK_F6;
+ s_key_map[0x41] = RTGUIK_F7;
+ s_key_map[0x42] = RTGUIK_F8;
+ s_key_map[0x43] = RTGUIK_F9;
+ s_key_map[0x1e] = RTGUIK_a;
+ s_key_map[0x30] = RTGUIK_b;
+ s_key_map[0x2c] = RTGUIK_c;
+ s_key_map[0x20] = RTGUIK_d;
+ s_key_map[0x12] = RTGUIK_e;
+ s_key_map[0x21] = RTGUIK_f;
+ s_key_map[0x22] = RTGUIK_g;
+ s_key_map[0x23] = RTGUIK_h;
+ s_key_map[0x17] = RTGUIK_i;
+ s_key_map[0x24] = RTGUIK_j;
+ s_key_map[0x25] = RTGUIK_k;
+ s_key_map[0x26] = RTGUIK_l;
+ s_key_map[0x32] = RTGUIK_m;
+ s_key_map[0x31] = RTGUIK_n;
+ s_key_map[0x18] = RTGUIK_o;
+ s_key_map[0x19] = RTGUIK_p;
+ s_key_map[0x10] = RTGUIK_q;
+ s_key_map[0x13] = RTGUIK_r;
+ s_key_map[0x1f] = RTGUIK_s;
+ s_key_map[0x14] = RTGUIK_t;
+ s_key_map[0x16] = RTGUIK_u;
+ s_key_map[0x2f] = RTGUIK_v;
+ s_key_map[0x11] = RTGUIK_w;
+ s_key_map[0x2d] = RTGUIK_x;
+ s_key_map[0x15] = RTGUIK_y;
+ s_key_map[0x2c] = RTGUIK_z;
+ s_key_map[0x4b] = RTGUIK_LEFT;
+ s_key_map[0x4d] = RTGUIK_RIGHT;
+ s_key_map[0x50] = RTGUIK_DOWN;
+ s_key_map[0x2e] = RTGUIK_DELETE;
+ s_key_map[0x48] = RTGUIK_UP;
+}
static rt_err_t rtgui_key_rx(rt_device_t dev, rt_size_t size)
{
- struct rtgui_event_kbd kbd_event;
- char key_value;
+ struct rtgui_event_kbd kbd_event;
+ char key_value;
+
+ while(rt_device_read(dev, 0, &key_value, 1) == 1)
+ {
+ /* init keyboard event */
+ RTGUI_EVENT_KBD_INIT(&kbd_event);
+ kbd_event.mod = RTGUI_KMOD_NONE;
+ kbd_event.unicode = 0;
+ kbd_event.key = RTGUIK_UNKNOWN;
- while(rt_device_read(dev, 0, &key_value, 1) == 1)
- {
- /* init keyboard event */
- RTGUI_EVENT_KBD_INIT(&kbd_event);
- kbd_event.mod = RTGUI_KMOD_NONE;
- kbd_event.unicode = 0;
- kbd_event.key = RTGUIK_UNKNOWN;
+ if(key_value & 0x80)
+ {
+ kbd_event.type = RTGUI_KEYUP;
+ }
+ else
+ {
+ kbd_event.type = RTGUI_KEYDOWN;
+ }
- if(key_value & 0x80)
- {
- kbd_event.type = RTGUI_KEYUP;
- }
- else
- {
- kbd_event.type = RTGUI_KEYDOWN;
- }
+ kbd_event.key = s_key_map[key_value & 0x7F];
+ }
+ if (kbd_event.key != RTGUIK_UNKNOWN)
+ {
+ /* post down event */
+ rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
+ }
- kbd_event.key = s_key_map[key_value & 0x7F];
- }
- if (kbd_event.key != RTGUIK_UNKNOWN)
- {
- /* post down event */
- rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
- }
-
- return RT_EOK;
+ return RT_EOK;
}
#endif
@@ -310,33 +310,33 @@ static rt_err_t rtgui_key_rx(rt_device_t dev, rt_size_t size)
*/
void rt_hw_key_init(void)
{
- /* hardware init */
- key_init();
+ /* hardware init */
+ key_init();
+
+ key_device = (struct rt_key_device*)rt_malloc (sizeof(struct rt_key_device));
+ if (key_device == RT_NULL) return; /* no memory yet */
- key_device = (struct rt_key_device*)rt_malloc (sizeof(struct rt_key_device));
- if (key_device == RT_NULL) return; /* no memory yet */
+ /* clear device structure */
+ rt_memset(&(key_device->parent), 0, sizeof(struct rt_device));
- /* clear device structure */
- rt_memset(&(key_device->parent), 0, sizeof(struct rt_device));
-
- key_device->parent.type = RT_Device_Class_Char;
- key_device->parent.tx_complete = RT_NULL;
- key_device->parent.init = rt_key_init;
- key_device->parent.open = rt_key_open;
- key_device->parent.close = rt_key_close;
- key_device->parent.read = rt_key_read;
- key_device->parent.write = RT_NULL;
- key_device->parent.control = rt_key_control;
- key_device->parent.user_data = RT_NULL;
+ key_device->parent.type = RT_Device_Class_Char;
+ key_device->parent.tx_complete = RT_NULL;
+ key_device->parent.init = rt_key_init;
+ key_device->parent.open = rt_key_open;
+ key_device->parent.close = rt_key_close;
+ key_device->parent.read = rt_key_read;
+ key_device->parent.write = RT_NULL;
+ key_device->parent.control = rt_key_control;
+ key_device->parent.user_data = RT_NULL;
#ifdef RT_USING_RTGUI
- key_device->parent.rx_indicate = rtgui_key_rx;
+ key_device->parent.rx_indicate = rtgui_key_rx;
- /* init keymap */
- rt_keymap_init();
+ /* init keymap */
+ rt_keymap_init();
#endif
- /* register key device to RT-Thread */
- rt_device_register(&(key_device->parent), "key", RT_DEVICE_FLAG_RDONLY | RT_DEVICE_FLAG_INT_RX);
+ /* register key device to RT-Thread */
+ rt_device_register(&(key_device->parent), "key", RT_DEVICE_FLAG_RDONLY | RT_DEVICE_FLAG_INT_RX);
}
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