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fit touch position for lcd

This commit is contained in:
wuzheng 2022-11-21 15:59:25 +08:00
parent 7c252bda56
commit ebc61431bd
2 changed files with 8 additions and 2 deletions
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4
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/include/connect_touch.h
View File

@ -64,6 +64,10 @@ typedef enum _touch_event
#define GTP_REG_CONFIG_DATA 0x8047
#define GTP_REG_VERSION 0x8140
#define LCD_SIZE 320
#define TOUCH_WIDTH 1024
#define TOUCH_HEIGHT 664
#define CFG_GROUP_LEN(p_cfg_grp) (sizeof(p_cfg_grp) / sizeof(p_cfg_grp[0]))
int HwTouchInit(void);

6
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/touch/connect_touch.c
View File

@ -278,7 +278,7 @@ static uint32 TouchRead(void* dev, struct BusBlockReadParam* read_param)
struct TouchDataStandard* data = (struct TouchDataStandard*)read_param->buffer;
read_param->read_length = 0;
result = KSemaphoreObtain(touch_sem, 1000);
result = KSemaphoreObtain(touch_sem, 10);
// if (EOK == result)
// {
memset(TOUCHRECDATA, 0, 24);
@ -292,8 +292,10 @@ static uint32 TouchRead(void* dev, struct BusBlockReadParam* read_param)
{
ts_event.fingers[i].x = ((((uint32_t)TOUCHRECDATA[(i * 4) + 5]) << 8) | (uint32_t)TOUCHRECDATA[(i * 4) + 4]) & 0x00000FFF; // 12 bits of X coord
ts_event.fingers[i].y = ((((uint32_t)TOUCHRECDATA[(i * 4) + 7]) << 8) | (uint32_t)TOUCHRECDATA[(i * 4) + 6]) & 0x00000FFF;
ts_event.fingers[i].x = 320 - ts_event.fingers[i].x *LCD_SIZE/TOUCH_WIDTH;
ts_event.fingers[i].y = ts_event.fingers[i].y *LCD_SIZE/TOUCH_HEIGHT;
ts_event.fingers[i].fingerID = (uint32_t)TOUCHRECDATA[(i * 4) + 7] >> 4; // finger that did the touch
printf("fingers[%d] x %d y %d id %d\n",i,ts_event.fingers[i].x,ts_event.fingers[i].y,ts_event.fingers[i].fingerID);
// printf("fingers[%d] x %d y %d id %d\n",i,ts_event.fingers[i].x,ts_event.fingers[i].y,ts_event.fingers[i].fingerID);
}
data->x = ts_event.fingers[ts_event.NBfingers - 1].x;