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touch: Do a panel HW test before calibration

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In case the panel or the panel connection has issues, abort the calibration.
This commit is contained in:
CTCaer 2020-03-25 01:38:16 +02:00
parent 4ec7befe82
commit dc9c7fd95c
2 changed files with 74 additions and 5 deletions
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53
nyx/nyx_gui/input/touch.c
View file

@ -1,5 +1,5 @@
/*
* Touch driver for Nintendo Switch's STM FingerTip S (4cd60d) touch controller
* Touch driver for Nintendo Switch's STM FingerTip S (4CD60D) touch controller
*
* Copyright (c) 2018 langerhans
* Copyright (c) 2018-2020 CTCaer
@ -236,6 +236,46 @@ int touch_sys_reset()
return 1;
}
int touch_panel_ito_test(u8 *err)
{
int res = 0;
// Reset touchscreen module.
if (touch_sys_reset())
return res;
// Do ITO Production test.
u8 cmd[2] = { 1, 0 };
if (touch_command(STMFTS_ITO_CHECK, cmd, 2))
return res;
u32 timer = get_tmr_ms() + 2000;
while (true)
{
u8 tmp[8] = {0};
i2c_recv_buf_small(tmp, 8, I2C_3, STMFTS_I2C_ADDR, STMFTS_READ_ONE_EVENT);
if (tmp[1] == 0xF && tmp[2] == 0x5)
{
if (err)
{
err[0] = tmp[3];
err[1] = tmp[4];
}
res = 1;
break;
}
if (get_tmr_ms() > timer)
break;
}
// Reset touchscreen module.
touch_sys_reset();
return res;
}
int touch_sense_enable()
{
// Enable auto tuning calibration and multi-touch sensing.
@ -326,9 +366,14 @@ int touch_power_on()
u32 btn = btn_wait_timeout(0, BTN_VOL_DOWN | BTN_VOL_UP);
if ((btn & BTN_VOL_DOWN) && (btn & BTN_VOL_UP))
return touch_execute_autotune();
else
return touch_init();
{
u8 err[2];
if (touch_panel_ito_test(err))
if (!err[0] && !err[1])
return touch_execute_autotune();
}
return touch_init();
}
void touch_power_off()

26
nyx/nyx_gui/input/touch.h
View file

@ -1,5 +1,5 @@
/*
* Touch driver for Nintendo Switch's STM FingerTip S (4cd60d) touch controller
* Touch driver for Nintendo Switch's STM FingerTip S (4CD60D) touch controller
*
* Copyright (c) 2018 langerhans
* Copyright (c) 2018-2020 CTCaer
@ -44,6 +44,7 @@
#define STMFTS_FULL_FORCE_CALIBRATION 0xA2
#define STMFTS_MS_CX_TUNING 0xA3
#define STMFTS_SS_CX_TUNING 0xA4
#define STMFTS_ITO_CHECK 0xA7
#define STMFTS_RELEASEINFO 0xAA
#define STMFTS_WRITE_REG 0xB6
#define STMFTS_AUTO_CALIBRATION 0xC3
@ -99,6 +100,27 @@
#define STMFTS_DATA_MAX_SIZE (STMFTS_EVENT_SIZE * STMFTS_STACK_DEPTH)
#define STMFTS_MAX_FINGERS 10
typedef enum _touch_ito_error {
ITO_NO_ERROR = 0,
ITO_FORCE_OPEN,
ITO_SENSE_OPEN,
ITO_FORCE_SHRT_GND,
ITO_SENSE_SHRT_GND,
ITO_FORCE_SHRT_VCM,
ITO_SENSE_SHRT_VCM,
ITO_FORCE_SHRT_FORCE,
ITO_SENSE_SHRT_SENSE,
ITO_F2E_SENSE,
ITO_FPC_FORCE_OPEN,
ITO_FPC_SENSE_OPEN,
ITO_KEY_FORCE_OPEN,
ITO_KEY_SENSE_OPEN,
ITO_RESERVED0,
ITO_RESERVED1,
ITO_RESERVED2,
ITO_MAX_ERR_REACHED = 0xFF
} touch_ito_error;
typedef struct _touch_event {
u8 raw[8];
u16 type; // Event type.
@ -126,7 +148,9 @@ 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();
int touch_panel_ito_test(u8 *err);
int touch_execute_autotune();
int touch_sense_enable();
int touch_power_on();
void touch_power_off();