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Add abort check in I2C lock

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This commit is contained in:
gamblor21 2020-11-11 09:58:08 -06:00
parent 4c93db3595
commit 03b110b44c
1 changed files with 8 additions and 3 deletions
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11
shared-module/adafruit_bus_device/I2CDevice.c
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@ -29,6 +29,7 @@
#include "py/mperrno.h" #include "py/mperrno.h"
#include "py/nlr.h" #include "py/nlr.h"
#include "py/runtime.h" #include "py/runtime.h"
#include "lib/utils/interrupt_char.h"
void common_hal_adafruit_bus_device_i2cdevice_construct(adafruit_bus_device_i2cdevice_obj_t *self, busio_i2c_obj_t *i2c, uint8_t device_address) { void common_hal_adafruit_bus_device_i2cdevice_construct(adafruit_bus_device_i2cdevice_obj_t *self, busio_i2c_obj_t *i2c, uint8_t device_address) {
self->i2c = i2c; self->i2c = i2c;
@ -36,11 +37,15 @@ void common_hal_adafruit_bus_device_i2cdevice_construct(adafruit_bus_device_i2cd
} }
void common_hal_adafruit_bus_device_i2cdevice_lock(adafruit_bus_device_i2cdevice_obj_t *self) { void common_hal_adafruit_bus_device_i2cdevice_lock(adafruit_bus_device_i2cdevice_obj_t *self) {
bool success = false; bool success = common_hal_busio_i2c_try_lock(self->i2c);
while (!success) { while (!success) {
RUN_BACKGROUND_TASKS;
if (mp_hal_is_interrupted()) {
break;
}
success = common_hal_busio_i2c_try_lock(self->i2c); success = common_hal_busio_i2c_try_lock(self->i2c);
//RUN_BACKGROUND_TASKS;
//mp_handle_pending();
} }
} }