micropython: re-enable machine.I2C

components/micropython/CMakeLists.txt

@@ -63,6 +63,7 @@ set(MICROPY_SOURCE_PORT
     ${MICROPY_PORT_DIR}/machine_uart.c
     ${MICROPY_PORT_DIR}/machine_adc.c
     ${MICROPY_PORT_DIR}/machine_adcblock.c
+    ${MICROPY_PORT_DIR}/machine_i2c.c
     ${MICROPY_PORT_DIR}/modmachine.c
     ${MICROPY_PORT_DIR}/network_common.c
     ${MICROPY_PORT_DIR}/network_lan.c

components/micropython/vendor/extmod/extmod.cmake

@@ -10,6 +10,7 @@ set(MICROPY_SOURCE_EXTMOD
     ${MICROPY_EXTMOD_DIR}/machine_mem.c
     ${MICROPY_EXTMOD_DIR}/machine_signal.c
     ${MICROPY_EXTMOD_DIR}/machine_pwm.c
+    ${MICROPY_EXTMOD_DIR}/machine_i2c.c
     ${MICROPY_EXTMOD_DIR}/modbluetooth.c
     ${MICROPY_EXTMOD_DIR}/modframebuf.c
     ${MICROPY_EXTMOD_DIR}/modlwip.c

components/micropython/vendor/ports/esp32/machine_pin.c

@@ -275,11 +275,6 @@ STATIC const machine_pin_obj_t machine_pin_obj[GPIO_NUM_MAX] = {
 STATIC const machine_pin_irq_obj_t machine_pin_irq_object[GPIO_NUM_MAX];
 
 void machine_pins_init(void) {
-    static bool did_install = false;
-    if (!did_install) {
-        gpio_install_isr_service(0);
-        did_install = true;
-    }
     memset(&MP_STATE_PORT(machine_pin_irq_handler[0]), 0, sizeof(MP_STATE_PORT(machine_pin_irq_handler)));
 }
 

components/micropython/vendor/ports/esp32/modmachine.c

@@ -295,6 +295,7 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_DAC), MP_ROM_PTR(&machine_dac_type) },
     #endif
     { MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&machine_pwm_type) },
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
     { MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&machine_rtc_type) },
     { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) },