diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/lps22hb/lps22hb.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/lps22hb/lps22hb.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/lps22hb/lps22hb.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/lps22hb/lps22hb.c new file mode 100644 index 0000000..8dee20a --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/lps22hb/lps22hb.c @@ -0,0 +1,320 @@ +/** + * Copyright (c) 2017 - 2018, 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 "lps22hb.h" + +ret_code_t lps22hb_init(lps22hb_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + p_instance->interrupt_cfg = 0; + p_instance->ctrl_reg[0] = 0; + p_instance->ctrl_reg[1] = LPS22HB_CTRL_REG2_DEFAULT; + p_instance->ctrl_reg[2] = 0; + p_instance->fifo_ctrl = 0; + ret_code_t err_code; + if (p_instance->p_sensor_data->p_twi_mngr->p_queue->size < LPS22HB_MIN_QUEUE_SIZE) + { + return NRF_ERROR_INVALID_LENGTH; + } + + err_code = lps22hb_cfg_commit(p_instance); + return err_code; +} + +ret_code_t lps22hb_autorifp_enable(lps22hb_instance_t * p_instance, bool enable) +{ + ASSERT(p_instance != NULL); + uint8_t reg = p_instance->interrupt_cfg; + if (enable == true) + { + NRF_TWI_SENSOR_REG_SET(reg, LPS22HB_AUTORIFP_MASK, LPS22HB_AUTORIFP_POS, 1); + } + else + { + NRF_TWI_SENSOR_REG_SET(reg, LPS22HB_RESET_ARP_MASK, LPS22HB_RESET_ARP_POS, 1); + } + uint8_t send_msg[] = { + LPS22HB_REG_INTERRUPT_CONFIG, + reg + }; + return nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +ret_code_t lps22hb_autozero_enable(lps22hb_instance_t * p_instance, bool enable) +{ + ASSERT(p_instance != NULL); + uint8_t reg = p_instance->interrupt_cfg; + if (enable == true) + { + NRF_TWI_SENSOR_REG_SET(reg, LPS22HB_AUTOZERO_MASK, LPS22HB_AUTOZERO_POS, 1); + } + else + { + NRF_TWI_SENSOR_REG_SET(reg, LPS22HB_RESET_AZ_MASK, LPS22HB_RESET_AZ_POS, 1); + } + uint8_t send_msg[] = { + LPS22HB_REG_INTERRUPT_CONFIG, + reg + }; + return nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + + +void lps22hb_data_rate_set(lps22hb_instance_t * p_instance, lps22hb_odr_t odr) +{ + ASSERT(p_instance != NULL); + NRF_TWI_SENSOR_REG_SET(p_instance->ctrl_reg[0], LPS22HB_ODR_MASK, LPS22HB_ODR_POS, odr); +} + +ret_code_t lps22hb_data_read(lps22hb_instance_t * p_instance, + lps22hb_data_callback_t user_callback, + lps22hb_data_t * p_out_data, + uint8_t samples) +{ + ASSERT(p_instance != NULL); + ret_code_t err_code; + err_code = nrf_twi_sensor_reg_read(p_instance->p_sensor_data, + p_instance->sensor_addr, + LPS22HB_REG_PRESS_OUT_XL, + (nrf_twi_sensor_reg_cb_t) user_callback, + (uint8_t *) p_out_data, + samples * LPS22HB_BYTES_PER_SAMPLE); + return err_code; +} + +void lps22hb_data_decode(lps22hb_data_t * p_data, uint8_t samples) +{ + ASSERT(p_data != NULL); + lps22hb_raw_data_t * p_in_data = (lps22hb_raw_data_t *) p_data; + uint32_t pres; + uint16_t temp; + for (int i = samples-1; i >= 0; i--) + { + pres = ((uint32_t) p_in_data[i].press_out_xl) | + (((uint32_t) p_in_data[i].press_out_l) << 8) | + (((uint32_t) p_in_data[i].press_out_h) << 16); + pres <<= 8; + temp = ((uint16_t) p_in_data[i].temp_out_l) | + (((uint16_t) p_in_data[i].temp_out_h) << 8); + // Dividing by 256 because signed integer can't be shifted by 8 + p_data[i].pressure = *((int32_t *) &pres) / 256; + p_data[i].temperature = *((int16_t *) &temp); + } +} + +ret_code_t lps22hb_threshold_set(lps22hb_instance_t * p_instance, uint16_t thr) +{ + ASSERT(p_instance != NULL); + thr *= 16; + uint8_t send_msg[] = { + LPS22HB_REG_THS_P_L, + thr & 0x00FFU, + thr >> 8 + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + return err_code; +} + +ret_code_t lps22hb_ref_pressure_set(lps22hb_instance_t * p_instance, int32_t pressure) +{ + ASSERT(p_instance != NULL); + // Multiplying by 256 because signed integer can't be shifted by 8 + pressure *= 256; + uint32_t pres = *((uint32_t *) &pressure); + pres >>= 8; + uint8_t send_msg[] = { + LPS22HB_REG_REF_P_XL, + pres & 0x00FFU, + (pres >> 8) & 0x00FFU, + (pres >> 16) & 0x00FFU + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + return err_code; +} + +ret_code_t lps22hb_offset_set(lps22hb_instance_t * p_instance, int16_t offset) +{ + ASSERT(p_instance != NULL); + offset *= 16; + uint16_t off = *((uint16_t *) &offset); + uint8_t send_msg[] = { + LPS22HB_REG_RPDS_L, + off & 0x00FFU, + off >> 8 + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + return err_code; +} + + + +ret_code_t lps22hb_cfg_commit(lps22hb_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + p_instance->ctrl_reg[1] |= LPS22HB_CTRL_REG2_DEFAULT; + p_instance->ctrl_reg[0] &= ~LPS22HB_CTRL1_VALID_MASK; + p_instance->ctrl_reg[1] &= ~LPS22HB_CTRL2_VALID_MASK; + + ret_code_t err_code; + + err_code = nrf_twi_sensor_reg_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + LPS22HB_REG_INTERRUPT_CONFIG, + &p_instance->interrupt_cfg, + 1); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + err_code = nrf_twi_sensor_reg_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + LPS22HB_REG_CTRL1, + p_instance->ctrl_reg, + 3); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + err_code = nrf_twi_sensor_reg_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + LPS22HB_REG_FIFO_CTRL, + &p_instance->fifo_ctrl, + 1); + return err_code; +} + +ret_code_t lps22hb_sw_reset(lps22hb_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = p_instance->ctrl_reg[1]; + NRF_TWI_SENSOR_REG_SET(reg_val, LPS22HB_SWRESET_MASK, LPS22HB_SWRESET_POS, 1); + + uint8_t send_msg[] = { + LPS22HB_REG_CTRL2, + reg_val + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + + return err_code; +} + +ret_code_t lps22hb_boot(lps22hb_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = p_instance->ctrl_reg[1]; + NRF_TWI_SENSOR_REG_SET(reg_val, LPS22HB_BOOT_MASK, LPS22HB_BOOT_POS, 1); + + uint8_t send_msg[] = { + LPS22HB_REG_CTRL2, + reg_val + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + + return err_code; +} + +ret_code_t lps22hb_oneshot(lps22hb_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = p_instance->ctrl_reg[1]; + NRF_TWI_SENSOR_REG_SET(reg_val, LPS22HB_ONE_SHOT_MASK, LPS22HB_ONE_SHOT_POS, 1); + + uint8_t send_msg[] = { + LPS22HB_REG_CTRL2, + reg_val + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + + return err_code; +} + +ret_code_t lps22hb_low_power_enable(lps22hb_instance_t * p_instance, bool enable) +{ + ASSERT(p_instance != NULL); + uint8_t send_msg[] = { + LPS22HB_REG_RES_CONF, + enable + }; + ret_code_t err_code; + err_code = nrf_twi_sensor_write(p_instance->p_sensor_data, + p_instance->sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + return err_code; +} |