/** * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include "uda1380.h" #include ret_code_t uda1380_init(uda1380_iface_t const * p_iface, uda1380_reg_t const * p_reg_config, size_t reg_size) { ret_code_t ret = NRF_SUCCESS; ret = nrf_drv_twi_init(&p_iface->twi, &p_iface->twi_cfg, NULL, NULL); if (ret != NRF_SUCCESS) { return ret; } nrf_drv_twi_enable(&p_iface->twi); /*Probe device*/ uint8_t rx[] = {0}; ret = nrf_drv_twi_rx(&p_iface->twi, p_iface->twi_addr, rx, sizeof(rx)); if (ret != NRF_SUCCESS) { return ret; } for (size_t i = 0; i < reg_size; ++i) { uint8_t p_dat[sizeof(uda1380_reg_t)]; memcpy(p_dat, &p_reg_config[i], sizeof(uda1380_reg_t)); ret = nrf_drv_twi_tx(&p_iface->twi, p_iface->twi_addr, p_dat, sizeof(uda1380_reg_t), false); if (ret != NRF_SUCCESS) { break; } } return ret; } ret_code_t uda1380_enable(uda1380_iface_t const * p_iface) { ret_code_t ret = NRF_SUCCESS; static const uda1380_reg_t enable[] = { UDA1380_REG_INIT(UDA1380_REG_PWR, 0xA500), UDA1380_REG_INIT(UDA1380_REG_CLK, 0x0332), }; for (size_t i = 0; i < ARRAY_SIZE(enable); ++i) { uint8_t p_dat[sizeof(uda1380_reg_t)]; memcpy(p_dat, &enable[i], sizeof(uda1380_reg_t)); ret = nrf_drv_twi_tx(&p_iface->twi, p_iface->twi_addr, p_dat, sizeof(uda1380_reg_t), false); if (ret != NRF_SUCCESS) { break; } } return ret; } ret_code_t uda1380_disable(uda1380_iface_t const * p_iface) { ret_code_t ret = NRF_SUCCESS; static const uda1380_reg_t disable[] = { UDA1380_REG_INIT(UDA1380_REG_PWR, 0x0000), UDA1380_REG_INIT(UDA1380_REG_CLK, 0x0000), }; for (size_t i = 0; i < ARRAY_SIZE(disable); ++i) { const uint8_t * p_dat = (const uint8_t *)&disable[i]; ret = nrf_drv_twi_tx(&p_iface->twi, p_iface->twi_addr, p_dat, sizeof(uda1380_reg_t), false); if (ret != NRF_SUCCESS) { break; } } return ret; }