diff options
Diffstat (limited to 'ports/raspberrypi/common-hal/busio/I2C.c')
| -rw-r--r-- | ports/raspberrypi/common-hal/busio/I2C.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/ports/raspberrypi/common-hal/busio/I2C.c b/ports/raspberrypi/common-hal/busio/I2C.c index cb0d73e75..c9f89fadd 100644 --- a/ports/raspberrypi/common-hal/busio/I2C.c +++ b/ports/raspberrypi/common-hal/busio/I2C.c @@ -42,7 +42,7 @@ #define BUS_TIMEOUT_US 1000000 STATIC bool never_reset_i2c[2]; -STATIC i2c_inst_t* i2c[2] = {i2c0, i2c1}; +STATIC i2c_inst_t *i2c[2] = {i2c0, i2c1}; void reset_i2c(void) { for (size_t i = 0; i < 2; i++) { @@ -55,7 +55,7 @@ void reset_i2c(void) { } void common_hal_busio_i2c_construct(busio_i2c_obj_t *self, - const mcu_pin_obj_t* scl, const mcu_pin_obj_t* sda, uint32_t frequency, uint32_t timeout) { + const mcu_pin_obj_t *scl, const mcu_pin_obj_t *sda, uint32_t frequency, uint32_t timeout) { self->peripheral = NULL; // I2C pins have a regular pattern. SCL is always odd and SDA is even. They match up in pairs // so we can divide by two to get the instance. This pattern repeats. @@ -73,7 +73,7 @@ void common_hal_busio_i2c_construct(busio_i2c_obj_t *self, mp_raise_ValueError(translate("Unsupported baudrate")); } -#if CIRCUITPY_REQUIRE_I2C_PULLUPS + #if CIRCUITPY_REQUIRE_I2C_PULLUPS // Test that the pins are in a high state. (Hopefully indicating they are pulled up.) gpio_set_function(sda->number, GPIO_FUNC_SIO); gpio_set_function(scl->number, GPIO_FUNC_SIO); @@ -96,7 +96,7 @@ void common_hal_busio_i2c_construct(busio_i2c_obj_t *self, reset_pin_number(scl->number); mp_raise_RuntimeError(translate("No pull up found on SDA or SCL; check your wiring")); } -#endif + #endif // Create a bitbangio.I2C object to do short writes. // Must be done before setting up the I2C pins, since they will be @@ -104,7 +104,7 @@ void common_hal_busio_i2c_construct(busio_i2c_obj_t *self, // // Sets pins to open drain, high, and input. shared_module_bitbangio_i2c_construct(&self->bitbangio_i2c, scl, sda, - frequency, timeout); + frequency, timeout); self->baudrate = i2c_init(self->peripheral, frequency); @@ -157,7 +157,7 @@ void common_hal_busio_i2c_unlock(busio_i2c_obj_t *self) { } uint8_t common_hal_busio_i2c_write(busio_i2c_obj_t *self, uint16_t addr, - const uint8_t *data, size_t len, bool transmit_stop_bit) { + const uint8_t *data, size_t len, bool transmit_stop_bit) { if (len <= 2) { // The RP2040 I2C peripheral will not do writes 2 bytes or less long. // So use bitbangio.I2C to do the write. @@ -170,7 +170,7 @@ uint8_t common_hal_busio_i2c_write(busio_i2c_obj_t *self, uint16_t addr, gpio_put(self->sda_pin, false); uint8_t status = shared_module_bitbangio_i2c_write(&self->bitbangio_i2c, - addr, data, len, transmit_stop_bit); + addr, data, len, transmit_stop_bit); // The pins must be set back to GPIO_FUNC_I2C in the order given here, // SCL first, otherwise reads will hang. @@ -195,7 +195,7 @@ uint8_t common_hal_busio_i2c_write(busio_i2c_obj_t *self, uint16_t addr, } uint8_t common_hal_busio_i2c_read(busio_i2c_obj_t *self, uint16_t addr, - uint8_t *data, size_t len) { + uint8_t *data, size_t len) { int result = i2c_read_timeout_us(self->peripheral, addr, data, len, false, BUS_TIMEOUT_US); if (result == len) { return 0; |