mirror of
https://github.com/ByteWelder/Tactility.git
synced 2026-02-18 19:03:16 +00:00
d860ba1f34
- UiDensity moved to lvgl-module - Deleted tt_hal and tt_hal_gpio (breaks apps, but will fix those right after merging) - Added I2C 8 bit register operations - Added device.properties to simulator - Improved Tab5 hardware init, implement audio - Add README.md to kernel
85 lines
3.9 KiB
C++
85 lines
3.9 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include <tactility/drivers/i2c_controller.h>
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#include <tactility/error.h>
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#define I2C_DRIVER_API(driver) ((struct I2cControllerApi*)driver->api)
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extern "C" {
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error_t i2c_controller_read(Device* device, uint8_t address, uint8_t* data, size_t dataSize, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->read(device, address, data, dataSize, timeout);
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}
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error_t i2c_controller_write(Device* device, uint8_t address, const uint8_t* data, uint16_t dataSize, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->write(device, address, data, dataSize, timeout);
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}
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error_t i2c_controller_write_read(Device* device, uint8_t address, const uint8_t* writeData, size_t writeDataSize, uint8_t* readData, size_t readDataSize, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->write_read(device, address, writeData, writeDataSize, readData, readDataSize, timeout);
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}
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error_t i2c_controller_read_register(Device* device, uint8_t address, uint8_t reg, uint8_t* data, size_t dataSize, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->read_register(device, address, reg, data, dataSize, timeout);
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}
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error_t i2c_controller_write_register(Device* device, uint8_t address, uint8_t reg, const uint8_t* data, uint16_t dataSize, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->write_register(device, address, reg, data, dataSize, timeout);
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}
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error_t i2c_controller_register8_set(Device* device, uint8_t address, uint8_t reg, uint8_t value, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->write_register(device, address, reg, &value, 1, timeout);
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}
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error_t i2c_controller_register8_get(Device* device, uint8_t address, uint8_t reg, uint8_t* value, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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return I2C_DRIVER_API(driver)->read_register(device, address, reg, value, 1, timeout);
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}
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error_t i2c_controller_register8_set_bits(Device* device, uint8_t address, uint8_t reg, uint8_t bits_to_set, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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uint8_t data = 0;
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auto error = I2C_DRIVER_API(driver)->read_register(device, address, reg, &data, 1, timeout);
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if (error != ERROR_NONE) return error;
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data |= bits_to_set;
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return I2C_DRIVER_API(driver)->write_register(device, address, reg, &data, 1, timeout);
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}
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error_t i2c_controller_register8_reset_bits(Device* device, uint8_t address, uint8_t reg, uint8_t bits_to_reset, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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uint8_t data = 0;
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auto error = I2C_DRIVER_API(driver)->read_register(device, address, reg, &data, 1, timeout);
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if (error != ERROR_NONE) return error;
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data &= ~bits_to_reset;
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return I2C_DRIVER_API(driver)->write_register(device, address, reg, &data, 1, timeout);
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}
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error_t i2c_controller_write_register_array(Device* device, uint8_t address, const uint8_t* data, uint16_t dataSize, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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if (dataSize % 2 != 0) {
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return ERROR_INVALID_ARGUMENT;
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}
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for (int i = 0; i < dataSize; i += 2) {
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error_t error = I2C_DRIVER_API(driver)->write_register(device, address, data[i], &data[i + 1], 1, timeout);
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if (error != ERROR_NONE) return error;
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}
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return ERROR_NONE;
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}
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error_t i2c_controller_has_device_at_address(Device* device, uint8_t address, TickType_t timeout) {
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const auto* driver = device_get_driver(device);
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uint8_t message[2] = { 0, 0 };
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return I2C_DRIVER_API(driver)->write(device, address, message, 2, timeout);
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}
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const struct DeviceType I2C_CONTROLLER_TYPE {
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.name = "i2c-controller"
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};
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}
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