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hulk
2024-08-08 19:18:16 +08:00
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CHIRP/drivers/src/ch101_gpr_rxopt.c
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/*! \file ch101_gpr_rxopt.c
*
* \brief Chirp CH101 General Purpose Rangefinding (Rx-optimized) firmware interface
*
* This file contains function definitions to interface a specific sensor firmware
* package to SonicLib, including the main initialization routine for the firmware.
* That routine initializes various fields within the \a ch_dev_t device descriptor
* and specifies the proper functions to implement SonicLib API calls. Those may
* either be common implementations or firmware-specific routines located in this file.
*/
/*
Copyright © 2019-2021, Chirp Microsystems. All rights reserved.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL CHIRP MICROSYSTEMS 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.
You can contact the authors of this program by email at support@chirpmicro.com
or by mail at 2560 Ninth Street, Suite 220, Berkeley, CA 94710.
*/
#include "soniclib.h"
#include "ch101_gpr_rxopt.h"
#include "ch_common.h"
uint8_t ch101_gpr_rxopt_init(ch_dev_t *dev_ptr, ch_group_t *grp_ptr, uint8_t i2c_addr, uint8_t io_index, uint8_t i2c_bus_index) {
dev_ptr->part_number = CH101_PART_NUMBER;
dev_ptr->app_i2c_address = i2c_addr;
dev_ptr->io_index = io_index;
dev_ptr->i2c_bus_index = i2c_bus_index;
dev_ptr->freqCounterCycles = CH101_COMMON_FREQCOUNTERCYCLES;
dev_ptr->freqLockValue = CH101_COMMON_READY_FREQ_LOCKED;
/* Init firmware-specific function pointers */
dev_ptr->firmware = ch101_gpr_rxopt_fw;
dev_ptr->fw_version_string = ch101_gpr_rxopt_version;
dev_ptr->ram_init = get_ram_ch101_gpr_rxopt_init_ptr();
dev_ptr->get_fw_ram_init_size = get_ch101_gpr_rxopt_fw_ram_init_size;
dev_ptr->get_fw_ram_init_addr = get_ch101_gpr_rxopt_fw_ram_init_addr;
dev_ptr->prepare_pulse_timer = ch_common_prepare_pulse_timer;
dev_ptr->store_pt_result = ch_common_store_pt_result;
dev_ptr->store_op_freq = ch_common_store_op_freq;
dev_ptr->store_bandwidth = ch_common_store_bandwidth;
dev_ptr->store_scalefactor = ch_common_store_scale_factor;
dev_ptr->get_locked_state = ch_common_get_locked_state;
/* Init API function pointers */
dev_ptr->api_funcs.fw_load = ch_common_fw_load;
dev_ptr->api_funcs.set_mode = ch_common_set_mode;
dev_ptr->api_funcs.set_sample_interval = ch_common_set_sample_interval;
dev_ptr->api_funcs.set_num_samples = ch_common_set_num_samples;
dev_ptr->api_funcs.set_max_range = ch_common_set_max_range;
dev_ptr->api_funcs.set_static_range = ch_common_set_static_range;
dev_ptr->api_funcs.set_rx_holdoff = ch_common_set_rx_holdoff;
dev_ptr->api_funcs.get_rx_holdoff = ch_common_get_rx_holdoff;
dev_ptr->api_funcs.get_range = ch_common_get_range;
dev_ptr->api_funcs.get_amplitude = ch_common_get_amplitude;
dev_ptr->api_funcs.get_iq_data = ch_common_get_iq_data;
dev_ptr->api_funcs.get_amplitude_data = ch_common_get_amplitude_data;
dev_ptr->api_funcs.samples_to_mm = ch_common_samples_to_mm;
dev_ptr->api_funcs.mm_to_samples = ch_common_mm_to_samples;
dev_ptr->api_funcs.set_thresholds = NULL; // not supported
dev_ptr->api_funcs.get_thresholds = NULL; // not supported
dev_ptr->api_funcs.set_sample_window = ch_common_set_sample_window;
dev_ptr->api_funcs.get_amplitude_avg = ch_common_get_amplitude_avg;
dev_ptr->api_funcs.set_cal_result = ch_common_set_cal_result;
dev_ptr->api_funcs.get_cal_result = ch_common_get_cal_result;
/* Init max sample count */
dev_ptr->max_samples = CH101_GPR_RXOPT_MAX_SAMPLES;
/* This firmware does not use oversampling */
dev_ptr->oversample = 0;
/* Init device and group descriptor linkage */
dev_ptr->group = grp_ptr; // set parent group pointer
grp_ptr->device[io_index] = dev_ptr; // add to parent group
return 0;
}