🚑️ Fix BIQU BX touch freeze (#24383)
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831e1b5ecf
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253e35e066
@ -159,24 +159,28 @@ void GT911::read_reg(uint16_t reg, uint8_t reg_len, uint8_t* r_data, uint8_t r_l
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void GT911::Init() {
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OUT_WRITE(GT911_RST_PIN, LOW);
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OUT_WRITE(GT911_INT_PIN, LOW);
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delay(20);
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delay(11);
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WRITE(GT911_INT_PIN, HIGH);
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delayMicroseconds(110);
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WRITE(GT911_RST_PIN, HIGH);
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delay(6);
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WRITE(GT911_INT_PIN, LOW);
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delay(55);
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SET_INPUT(GT911_INT_PIN);
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sw_iic.init();
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uint8_t clear_reg = 0x0000;
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write_reg(0x814E, 2, &clear_reg, 2); // Reset to 0 for start
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uint8_t clear_reg = 0x00;
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write_reg(0x814E, 2, &clear_reg, 1); // Reset to 0 for start
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}
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bool GT911::getFirstTouchPoint(int16_t *x, int16_t *y) {
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read_reg(0x814E, 2, ®.REG.status, 1);
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if (reg.REG.status & 0x80) {
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if (reg.REG.status >= 0x80 && reg.REG.status <= 0x85) {
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read_reg(0x8150, 2, reg.map + 2, 38);
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uint8_t clear_reg = 0x00;
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write_reg(0x814E, 2, &clear_reg, 1); // Reset to 0 for start
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read_reg(0x8150, 2, reg.map + 2, 8 * (reg.REG.status & 0x0F));
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// First touch point
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*x = ((reg.REG.point[0].xh & 0x0F) << 8) | reg.REG.point[0].xl;
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*y = ((reg.REG.point[0].yh & 0x0F) << 8) | reg.REG.point[0].yl;
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@ -23,7 +23,7 @@
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#include "../../../inc/MarlinConfig.h"
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#define GT911_SLAVE_ADDRESS 0xBA
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#define GT911_SLAVE_ADDRESS 0x28
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#if !PIN_EXISTS(GT911_RST)
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#error "GT911_RST_PIN is not defined."
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