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drivers: dac: Add API for DAC peripherals

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DAC (digital to analog converter) peripheral driver with a generic API
suitable for most MCUs (only basic DAC features considered).

Signed-off-by: Martin Jäger <martin@libre.solar>
This commit is contained in:
Martin Jäger 2020-01-10 10:10:12 +01:00 • committed by Carles Cufí
commit 33228f516b
11 changed files with 235 additions and 0 deletions
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32
drivers/dac/dac_handlers.c Normal file
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/*
* Copyright (c) 2020 Libre Solar Technologies GmbH
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <drivers/dac.h>
#include <syscall_handler.h>
#include <kernel.h>
static inline int z_vrfy_dac_channel_setup(struct device *dev,
const struct dac_channel_cfg *user_channel_cfg)
{
struct dac_channel_cfg channel_cfg;
Z_OOPS(Z_SYSCALL_DRIVER_DAC(dev, channel_setup));
Z_OOPS(z_user_from_copy(&channel_cfg,
(struct dac_channel_cfg *)user_channel_cfg,
sizeof(struct dac_channel_cfg)));
return z_impl_dac_channel_setup((struct device *)dev, &channel_cfg);
}
#include <syscalls/dac_channel_setup_mrsh.c>
static inline int z_vrfy_dac_write_value(struct device *dev,
u8_t channel, u32_t value)
{
Z_OOPS(Z_SYSCALL_DRIVER_DAC(dev, write_value));
return z_impl_dac_write_value((struct device *)dev, channel, value);
}
#include <syscalls/dac_write_value_mrsh.c>