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Disable Wire slave interrupt on ::end (#621)

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Fixes #620
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Earle F. Philhower, III 2022-06-10 11:42:04 -07:00 committed by GitHub
parent 1c85a1ca52
commit c4623f4297
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 1 deletions
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9
libraries/Wire/src/Wire.cpp
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@ -132,7 +132,6 @@ void TwoWire::begin(uint8_t addr) {
irq_set_exclusive_handler(irqNo, i2c_hw_index(_i2c) == 0 ? _handler0 : _handler1); irq_set_exclusive_handler(irqNo, i2c_hw_index(_i2c) == 0 ? _handler0 : _handler1);
irq_set_enabled(irqNo, true); irq_set_enabled(irqNo, true);
gpio_set_function(_sda, GPIO_FUNC_I2C); gpio_set_function(_sda, GPIO_FUNC_I2C);
gpio_pull_up(_sda); gpio_pull_up(_sda);
gpio_set_function(_scl, GPIO_FUNC_I2C); gpio_set_function(_scl, GPIO_FUNC_I2C);
@ -192,7 +191,15 @@ void TwoWire::end() {
// ERROR // ERROR
return; return;
} }
if (_slave) {
int irqNo = I2C0_IRQ + i2c_hw_index(_i2c);
irq_remove_handler(irqNo, i2c_hw_index(_i2c) == 0 ? _handler0 : _handler1);
irq_set_enabled(irqNo, false);
}
i2c_deinit(_i2c); i2c_deinit(_i2c);
pinMode(_sda, INPUT); pinMode(_sda, INPUT);
pinMode(_scl, INPUT); pinMode(_scl, INPUT);
_running = false; _running = false;