/* * Copyright 2020 Daniel Friesel * * SPDX-License-Identifier: BSD-2-Clause */ #include "arch.h" #if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C) #include "driver/i2c.h" #else #include "driver/soft_i2c.h" #endif #include void bme680_delay_ms(uint32_t const period) { arch.delay_ms(period); } void bme680_sleep_ms(uint32_t const period) { arch.sleep_ms(period); } int8_t bme680_i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len) { int8_t ret = i2c.xmit(dev_id, 1, ®_addr, 0, 0); if (ret) { return ret; } return i2c.xmit(dev_id, 0, 0, len, reg_data); } int8_t bme680_i2c_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len) { unsigned char txbuf[len+1]; txbuf[0] = reg_addr; for (uint16_t i = 0; i < len; i++) { txbuf[i+1] = reg_data[i]; } return i2c.xmit(dev_id, len + 1, txbuf, 0, 0); }