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Code Issues Releases Activity

touch: Add fw info

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This commit is contained in:
CTCaer 2020-03-13 08:48:20 +02:00
parent 8539095bdb
commit 9697067466
2 changed files with 46 additions and 1 deletions
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38
nyx/nyx_gui/input/touch.c
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@ -41,6 +41,17 @@ static int touch_command(u8 cmd, u8 *buf, u8 size)
return 0;
}
static int touch_read_reg(u8 *cmd, u32 csize, u8 *buf, u32 size)
{
int res = i2c_send_buf_small(I2C_3, STMFTS_I2C_ADDR, cmd[0], &cmd[1], csize - 1);
if (res)
res = i2c_recv_buf(buf, size, I2C_3, STMFTS_I2C_ADDR);
if (!res)
return 1;
return 0;
}
#define X_REAL_MAX 1264
#define Y_REAL_MAX 704
#define EDGE_OFFSET 15
@ -162,6 +173,33 @@ touch_info touch_get_info()
return info;
}
int touch_get_fw_info(touch_fw_info_t *fw)
{
u8 buf[8] = {0};
// Get fw address info.
u8 cmd[3] = { STMFTS_RW_FRAMEBUFFER_REG, 0, 0x60 };
int res = touch_read_reg(cmd, 3, buf, 3);
if (!res)
{
// Get fw info.
cmd[1] = buf[2]; cmd[2] = buf[1];
res = touch_read_reg(cmd, 3, buf, 8);
if (!res)
{
fw->fw_id = (buf[1] << 24) | (buf[2] << 16) | (buf[3] << 8) | buf[4];
fw->ftb_ver = (buf[6] << 8) | buf[5];
}
cmd[2]++;
res = touch_read_reg(cmd, 3, buf, 8);
if (!res)
fw->fw_rev = (buf[7] << 8) | buf[6];
}
return res;
}
int touch_power_on()
{
// Configure touchscreen GPIO.

9
nyx/nyx_gui/input/touch.h
View file

@ -49,7 +49,7 @@
#define STMFTS_AUTO_CALIBRATION 0xC3
#define STMFTS_NOISE_WRITE 0xC7
#define STMFTS_NOISE_READ 0xC8
#define STMFTS_RW_FB_REG 0xD0 // read data
#define STMFTS_RW_FRAMEBUFFER_REG 0xD0
#define STMFTS_SAVE_CX_TUNING 0xFC
#define STMFTS_UNK0 0xB8 //Request compensation
@ -113,10 +113,17 @@ typedef struct _touch_info {
u16 config_ver;
} touch_info;
typedef struct _touch_fw_info_t {
u32 fw_id;
u16 ftb_ver;
u16 fw_rev;
} touch_fw_info_t;
int touch_power_on();
void touch_power_off();
void touch_poll(touch_event *event);
touch_event touch_poll_wait();
int touch_get_fw_info(touch_fw_info_t *fw);
touch_info touch_get_info();
#endif /* __TOUCH_H_ */