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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#include "drivers/i2c.hpp"
#include <cstdint>
#include "assert.h"
#include "driver/i2c_master.h"
#include "driver/i2c_types.h"
#include "esp_err.h"
#include "hal/i2c_types.h"
#include "soc/clk_tree_defs.h"
namespace drivers {
static const i2c_port_t kI2CPort = I2C_NUM_0;
static const gpio_num_t kI2CSdaPin = GPIO_NUM_4;
static const gpio_num_t kI2CSclPin = GPIO_NUM_2;
static i2c_master_bus_handle_t sHandle;
esp_err_t init_i2c(void) {
i2c_master_bus_config_t config = {
.i2c_port = kI2CPort,
.sda_io_num = kI2CSdaPin,
.scl_io_num = kI2CSclPin,
.clk_source = I2C_CLK_SRC_DEFAULT,
.glitch_ignore_cnt = 7,
.intr_priority = 0,
.trans_queue_depth = 0,
.flags = {.enable_internal_pullup = true, .allow_pd = false},
};
return i2c_new_master_bus(&config, &sHandle);
}
i2c_master_bus_handle_t i2c_handle() {
return sHandle;
}
} // namespace drivers
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