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Prevent touch driver crash

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This commit is contained in:
fvanroie 2021-11-22 20:04:42 +01:00
parent 1335e8a897
commit 0548367982
1 changed files with 10 additions and 5 deletions
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15
src/drv/touch/touch_driver_ft6336u.h
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@ -81,9 +81,13 @@ class TouchFt6336u : public BaseTouch {
LOG_INFO(TAG_DRVR, F("Touch freq. : %d"), I2C_TOUCH_FREQUENCY);
LOG_INFO(TAG_DRVR, F("Touch address : %x"), I2C_TOUCH_ADDRESS);
LOG_VERBOSE(TAG_DRVR, F("%s %d"), __FILE__, __LINE__);
ft6336u_touch = new FT6336U(TOUCH_SDA, TOUCH_SCL, TOUCH_RST, TOUCH_IRQ);
LOG_VERBOSE(TAG_DRVR, F("%s %d"), __FILE__, __LINE__);
ft6336u_touch->begin();
LOG_VERBOSE(TAG_DRVR, F("%s %d"), __FILE__, __LINE__);
// From: M5Core2/src/M5Touch.cpp
// By default, the FT6336 will pulse the INT line for every touch
// event. But because it shares the Wire1 TwoWire/I2C with other
@ -91,12 +95,13 @@ class TouchFt6336u : public BaseTouch {
// handle these events. So instead, we set the INT wire to polled mode,
// so it simply goes low as long as there is at least one valid touch.
// ft6336u_touch->writeByte(0xA4, 0x00);
Wire1.beginTransmission(I2C_TOUCH_ADDRESS);
Wire1.write(0xA4); // address
Wire1.write(0x00); // data
Wire1.endTransmission();
// Wire1.beginTransmission(I2C_TOUCH_ADDRESS);
// Wire1.write(0xA4); // address
// Wire1.write(0x00); // data
// Wire1.endTransmission();
touch_scan(Wire1);
LOG_VERBOSE(TAG_DRVR, F("%s %d"), __FILE__, __LINE__);
// touch_scan(Wire1);
if(ft6336u_touch->read_chip_id() != 0) {
LOG_INFO(TAG_DRVR, F("FT6336U touch driver started chipid: %d"), ft6336u_touch->read_chip_id());