mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2025-12-07 11:01:52 +00:00
ChibiOS 2.6.8, until I can figure out where to get it from git.
This commit is contained in:
Jared Boone
119
firmware/chibios/os/various/devices_lib/accel/lis302dl.c
Executable file
119
firmware/chibios/os/various/devices_lib/accel/lis302dl.c
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/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file lis302dl.c
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* @brief LIS302DL MEMS interface module through SPI code.
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*
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* @addtogroup lis302dl
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#include "lis302dl.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables and types. */
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/*===========================================================================*/
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static uint8_t txbuf[2];
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static uint8_t rxbuf[2];
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief Reads a register value.
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* @pre The SPI interface must be initialized and the driver started.
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*
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* @param[in] spip pointer to the SPI initerface
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* @param[in] reg register number
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* @return The register value.
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*/
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uint8_t lis302dlReadRegister(SPIDriver *spip, uint8_t reg) {
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spiSelect(spip);
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txbuf[0] = 0x80 | reg;
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txbuf[1] = 0xff;
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spiExchange(spip, 2, txbuf, rxbuf);
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spiUnselect(spip);
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return rxbuf[1];
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}
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/**
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* @brief Writes a value into a register.
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* @pre The SPI interface must be initialized and the driver started.
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*
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* @param[in] spip pointer to the SPI initerface
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* @param[in] reg register number
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* @param[in] value the value to be written
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*/
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void lis302dlWriteRegister(SPIDriver *spip, uint8_t reg, uint8_t value) {
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switch (reg) {
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default:
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/* Reserved register must not be written, according to the datasheet
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this could permanently damage the device.*/
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chDbgAssert(FALSE, "lis302dlWriteRegister(), #1", "reserved register");
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case LIS302DL_WHO_AM_I:
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case LIS302DL_HP_FILTER_RESET:
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case LIS302DL_STATUS_REG:
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case LIS302DL_OUTX:
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case LIS302DL_OUTY:
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case LIS302DL_OUTZ:
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case LIS302DL_FF_WU_SRC1:
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case LIS302DL_FF_WU_SRC2:
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case LIS302DL_CLICK_SRC:
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/* Read only registers cannot be written, the command is ignored.*/
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return;
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case LIS302DL_CTRL_REG1:
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case LIS302DL_CTRL_REG2:
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case LIS302DL_CTRL_REG3:
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case LIS302DL_FF_WU_CFG1:
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case LIS302DL_FF_WU_THS1:
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case LIS302DL_FF_WU_DURATION1:
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case LIS302DL_FF_WU_CFG2:
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case LIS302DL_FF_WU_THS2:
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case LIS302DL_FF_WU_DURATION2:
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case LIS302DL_CLICK_CFG:
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case LIS302DL_CLICK_THSY_X:
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case LIS302DL_CLICK_THSZ:
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case LIS302DL_CLICK_TIMELIMIT:
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case LIS302DL_CLICK_LATENCY:
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case LIS302DL_CLICK_WINDOW:
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spiSelect(spip);
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txbuf[0] = reg;
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txbuf[1] = value;
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spiSend(spip, 2, txbuf);
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spiUnselect(spip);
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}
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}
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/** @} */
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26
firmware/chibios/os/various/devices_lib/accel/lis302dl.dox
Executable file
26
firmware/chibios/os/various/devices_lib/accel/lis302dl.dox
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/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @defgroup lis302dl Interface module for LIS302DL MEMS
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*
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* @brief Interface module for LIS302DL MEMS.
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* @details This module implements a generic interface for the LIS302DL
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* STMicroelectronics MEMS device. The communication is performed
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* through a standard SPI driver.
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*
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* @ingroup accel
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*/
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93
firmware/chibios/os/various/devices_lib/accel/lis302dl.h
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93
firmware/chibios/os/various/devices_lib/accel/lis302dl.h
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/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file lis302dl.h
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* @brief LIS302DL MEMS interface module through SPI header.
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*
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* @addtogroup lis302dl
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* @{
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*/
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#ifndef _LIS302DL_H_
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#define _LIS302DL_H_
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @name LIS302DL register names
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* @{
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*/
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#define LIS302DL_WHO_AM_I 0x0F
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#define LIS302DL_CTRL_REG1 0x20
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#define LIS302DL_CTRL_REG2 0x21
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#define LIS302DL_CTRL_REG3 0x22
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#define LIS302DL_HP_FILTER_RESET 0x23
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#define LIS302DL_STATUS_REG 0x27
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#define LIS302DL_OUTX 0x29
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#define LIS302DL_OUTY 0x2B
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#define LIS302DL_OUTZ 0x2D
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#define LIS302DL_FF_WU_CFG1 0x30
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#define LIS302DL_FF_WU_SRC1 0x31
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#define LIS302DL_FF_WU_THS1 0x32
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#define LIS302DL_FF_WU_DURATION1 0x33
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#define LIS302DL_FF_WU_CFG2 0x34
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#define LIS302DL_FF_WU_SRC2 0x35
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#define LIS302DL_FF_WU_THS2 0x36
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#define LIS302DL_FF_WU_DURATION2 0x37
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#define LIS302DL_CLICK_CFG 0x38
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#define LIS302DL_CLICK_SRC 0x39
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#define LIS302DL_CLICK_THSY_X 0x3B
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#define LIS302DL_CLICK_THSZ 0x3C
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#define LIS302DL_CLICK_TIMELIMIT 0x3D
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#define LIS302DL_CLICK_LATENCY 0x3E
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#define LIS302DL_CLICK_WINDOW 0x3F
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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uint8_t lis302dlReadRegister(SPIDriver *spip, uint8_t reg);
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void lis302dlWriteRegister(SPIDriver *spip, uint8_t reg, uint8_t value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIS302DL_H_ */
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/** @} */
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