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[bsp][stm32f429-disco] Open touchscreen device when board init finished

This commit is contained in:
xuzhuoyi 2018-10-03 18:49:48 +08:00
parent 8ed3e82e22
commit 18e0e0fcdd
2 changed files with 40 additions and 12 deletions
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4
bsp/stm32f429-disco/drivers/board.c
View File

@ -160,6 +160,10 @@ void rt_hw_board_init()
lcd = rt_device_find("lcd");
rtgui_graphic_set_device(lcd);
#endif
rt_device_t tscreen = rt_device_find("touch");
rt_device_open(tscreen, RT_DEVICE_FLAG_RDWR);
rt_timer_start((rt_timer_t)tscreen->user_data);
}

48
bsp/stm32f429-disco/drivers/drv_touch.c
View File

@ -15,6 +15,10 @@
#include "drv_touch.h"
#include "drivers/i2c.h"
#ifdef PKG_USING_LITTLEVGL2RTT
#include "littlevgl2rtt.h"
#endif
#define TSC_I2C_ADDR 0x41 /* 7-bit I2C address */
@ -144,7 +148,7 @@ int32_t touch_uninitialize (void) {
- \b 0: function succeeded
- \b -1: function failed
*/
int32_t touch_get_state (struct touch_state *pState)
int32_t touch_get_state(struct touch_state *pState)
{
uint8_t val;
uint8_t num;
@ -198,32 +202,52 @@ int32_t touch_get_state (struct touch_state *pState)
void touch_show_state()
{
int16_t x;
int16_t y;
struct touch_state ts;
touch_get_state(&ts);
x = (3706 - ts.x) / 14;
y = (-461 + ts.y) / 10.5;
rt_kprintf("[drv_touch] touch_show_state, x: %d, y: %d, pressed: %d, padding: %d\n", ts.x , ts.y, ts.pressed, ts.padding);
rt_kprintf("[drv_touch] touch_show_state, phy x: %d, phy y: %d\n", x , y);
}
MSH_CMD_EXPORT(touch_show_state, show screen coordinate in touching);
static void touch_timer(void *parameter)
{
int16_t x;
int16_t y;
struct touch_state ts;
touch_get_state(&ts);
#ifdef PKG_USING_LITTLEVGL2RTT
if(ts.pressed)
{
x = (3706 - ts.x) / 14;
y = (-461 + ts.y) / 10.5;
littlevgl2rtt_send_input_event(x, y, LITTLEVGL2RTT_INPUT_DOWN);
}
else
littlevgl2rtt_send_input_event(-1, -1, LITTLEVGL2RTT_INPUT_UP);
#endif
}
static int rt_hw_touch_init(void)
{
rt_device_t touch = RT_NULL;
touch = (struct rt_device *)rt_malloc(sizeof(struct rt_device));
if (touch == RT_NULL)
return RT_ENOMEM; /* no memory yet */
static struct rt_device touch;
/* init device structure */
touch->type = RT_Device_Class_Unknown;
touch->init = stmpe811_touch_init;
touch->user_data = RT_NULL;
touch.type = RT_Device_Class_Unknown;
touch.init = stmpe811_touch_init;
/* create 1/8 second timer */
//rt_timer_create("touch", touch_timer, RT_NULL,
// RT_TICK_PER_SECOND/8, RT_TIMER_FLAG_PERIODIC);
touch.user_data = rt_timer_create("touch", touch_timer, RT_NULL,
RT_TICK_PER_SECOND/8, RT_TIMER_FLAG_PERIODIC);
/* register touch device to RT-Thread */
rt_device_register(touch, "touch", RT_DEVICE_FLAG_RDWR);
rt_device_register(&touch, "touch", RT_DEVICE_FLAG_RDWR);
return RT_EOK;
}