diff options
Diffstat (limited to 'zephyr/emul/emul_lis2dw12.c')
| -rw-r--r-- | zephyr/emul/emul_lis2dw12.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/zephyr/emul/emul_lis2dw12.c b/zephyr/emul/emul_lis2dw12.c deleted file mode 100644 index 6fa8b31cc9..0000000000 --- a/zephyr/emul/emul_lis2dw12.c +++ /dev/null @@ -1,161 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#define DT_DRV_COMPAT cros_lis2dw12_emul - -#include <device.h> -#include <drivers/i2c.h> -#include <drivers/i2c_emul.h> -#include <emul.h> -#include <errno.h> -#include <sys/__assert.h> - -#include "driver/accel_lis2dw12.h" -#include "emul/emul_common_i2c.h" -#include "emul/emul_lis2dw12.h" -#include "i2c.h" - -#include <logging/log.h> -LOG_MODULE_REGISTER(lis2dw12_emul, CONFIG_LIS2DW12_EMUL_LOG_LEVEL); - -#define LIS2DW12_DATA_FROM_I2C_EMUL(_emul) \ - CONTAINER_OF(CONTAINER_OF(_emul, struct i2c_common_emul_data, emul), \ - struct lis2dw12_emul_data, common) - -struct lis2dw12_emul_data { - /** Common I2C data */ - struct i2c_common_emul_data common; - /** Emulated who-am-i register */ - uint8_t who_am_i_reg; - /** Emulated ctrl2 register */ - uint8_t ctrl2_reg; - /** Soft reset count */ - uint32_t soft_reset_count; -}; - -struct lis2dw12_emul_cfg { - /** Common I2C config */ - struct i2c_common_emul_cfg common; -}; - -struct i2c_emul *lis2dw12_emul_to_i2c_emul(const struct emul *emul) -{ - struct lis2dw12_emul_data *data = emul->data; - - return &(data->common.emul); -} - -void lis2dw12_emul_reset(const struct emul *emul) -{ - struct lis2dw12_emul_data *data = emul->data; - struct i2c_emul *i2c_emul = lis2dw12_emul_to_i2c_emul(emul); - - i2c_common_emul_set_read_fail_reg(i2c_emul, - I2C_COMMON_EMUL_NO_FAIL_REG); - i2c_common_emul_set_write_fail_reg(i2c_emul, - I2C_COMMON_EMUL_NO_FAIL_REG); - i2c_common_emul_set_read_func(i2c_emul, NULL, NULL); - i2c_common_emul_set_write_func(i2c_emul, NULL, NULL); - data->who_am_i_reg = LIS2DW12_WHO_AM_I; - data->ctrl2_reg = 0; - data->soft_reset_count = 0; -} - -void lis2dw12_emul_set_who_am_i(const struct emul *emul, uint8_t who_am_i) -{ - struct lis2dw12_emul_data *data = emul->data; - - data->who_am_i_reg = who_am_i; -} - -uint32_t lis2dw12_emul_get_soft_reset_count(const struct emul *emul) -{ - struct lis2dw12_emul_data *data = emul->data; - - return data->soft_reset_count; -} - -static int lis2dw12_emul_read_byte(struct i2c_emul *emul, int reg, uint8_t *val, - int bytes) -{ - struct lis2dw12_emul_data *data = LIS2DW12_DATA_FROM_I2C_EMUL(emul); - - switch (reg) { - case LIS2DW12_WHO_AM_I_REG: - __ASSERT_NO_MSG(bytes == 0); - *val = data->who_am_i_reg; - break; - case LIS2DW12_CTRL2_ADDR: - __ASSERT_NO_MSG(bytes == 0); - *val = data->ctrl2_reg; - break; - default: - return -EINVAL; - } - return 0; -} - -static int lis2dw12_emul_write_byte(struct i2c_emul *emul, int reg, uint8_t val, - int bytes) -{ - struct lis2dw12_emul_data *data = LIS2DW12_DATA_FROM_I2C_EMUL(emul); - - switch (reg) { - case LIS2DW12_WHO_AM_I_REG: - LOG_ERR("Can't write to who-am-i register"); - return -EINVAL; - case LIS2DW12_CTRL2_ADDR: - __ASSERT_NO_MSG(bytes == 1); - if ((val & LIS2DW12_SOFT_RESET_MASK) != 0) { - /* Soft reset */ - data->soft_reset_count++; - } - data->ctrl2_reg = val & ~LIS2DW12_SOFT_RESET_MASK; - break; - default: - return -EINVAL; - } - return 0; -} - -static struct i2c_emul_api lis2dw12_emul_api_i2c = { - .transfer = i2c_common_emul_transfer, -}; - -static int emul_lis2dw12_init(const struct emul *emul, - const struct device *parent) -{ - const struct lis2dw12_emul_cfg *lis2dw12_cfg = emul->cfg; - const struct i2c_common_emul_cfg *cfg = &(lis2dw12_cfg->common); - struct lis2dw12_emul_data *data = emul->data; - - data->common.emul.api = &lis2dw12_emul_api_i2c; - data->common.emul.addr = cfg->addr; - data->common.emul.parent = emul; - data->common.i2c = parent; - data->common.cfg = cfg; - i2c_common_emul_init(&data->common); - - return i2c_emul_register(parent, emul->dev_label, &data->common.emul); -} - -#define INIT_LIS2DW12(n) \ - static struct lis2dw12_emul_data lis2dw12_emul_data_##n = { \ - .common = { \ - .write_byte = lis2dw12_emul_write_byte, \ - .read_byte = lis2dw12_emul_read_byte, \ - }, \ - }; \ - static const struct lis2dw12_emul_cfg lis2dw12_emul_cfg_##n = { \ - .common = { \ - .i2c_label = DT_INST_BUS_LABEL(n), \ - .dev_label = DT_INST_LABEL(n), \ - .addr = DT_INST_REG_ADDR(n), \ - }, \ - }; \ - EMUL_DEFINE(emul_lis2dw12_init, DT_DRV_INST(n), \ - &lis2dw12_emul_cfg_##n, &lis2dw12_emul_data_##n) - -DT_INST_FOREACH_STATUS_OKAY(INIT_LIS2DW12) |