Commit 8d1d1274 authored by Luiz-Fernando Lavado-Villa's avatar Luiz-Fernando Lavado-Villa
Browse files

Added a module for the opamp3

parent 14a7fb7c
description: GPIO parent node
compatible: "opamp3-gpio"
child-binding:
description: OPAMP3 GPIO child node
properties:
gpios:
type: phandle-array
required: true
label:
required: true
type: string
description: Human readable string describing the device (used as device_get_binding() argument)
/ {
opamp3-gpio {
compatible = "opamp3-gpio";
opamp3: op_amp3 {
gpios = <&gpiob 1 GPIO_ACTIVE_LOW >;
label = "OPAMP3";
};
};
aliases {
opamp3 = &opamp3;
};
};
\ No newline at end of file
if(CONFIG_OWNTECH_OPAMP3_DRIVER)
# Select directory to add to the include path
zephyr_include_directories(./public_include)
# Define the current folder as a Zephyr library
zephyr_library()
# Select source files to be compiled
zephyr_library_sources(
src/owntech_opamp3_driver.c
)
endif()
config OWNTECH_OPAMP3_DRIVER
bool "Enable OwnTech opamp3 driver"
default y
name: owntech_opamp3_driver
build:
cmake: zephyr
kconfig: zephyr/Kconfig
/*
* Copyright (c) 2020-2021 LAAS-CNRS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGLPV2.1
*/
/**
* @brief Zephyr's defines for an opamp (PB1)
* @date 2021
* @author Luiz Villa <luiz.villa@laas.fr>
*/
#ifndef OPAMP3_H_
#define OPAMP3_H_
#ifdef __cplusplus
extern "C" {
#endif
#define OPAMP3_LABEL "OPAMP3"
void opamp3_set(const struct device* dev, int value);
#ifdef __cplusplus
}
#endif
#endif // NGND_H_
/*
* Copyright (c) 2020-2021 LAAS-CNRS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGLPV2.1
*/
/**
* @brief Owntech board neutral to ground gpio pin implementation
*
* @author Clément Foucher <clement.foucher@laas.fr>
*/
// Zephyr
#include <drivers/gpio.h>
// Current file header
#include "owntech_opamp3_driver.h"
/////
// Private functions
static struct owntech_opamp3_driver_dev_data
{
const struct device* gpio_dev;
} data;
static int opamp3_init(const struct device* dev)
{
struct owntech_opamp3_driver_dev_data* data = dev->data;
data->gpio_dev = device_get_binding(OPAMP3_GPIO_LABEL);
gpio_pin_configure(data->gpio_dev, OPAMP3_GPIO_PIN, GPIO_PUSH_PULL | OPAMP3_GPIO_FLAGS);
OPAMP_InitStruct.PowerMode = LL_OPAMP_POWERMODE_NORMAL;
OPAMP_InitStruct.FunctionalMode = LL_OPAMP_MODE_FOLLOWER;
OPAMP_InitStruct.InputNonInverting = LL_OPAMP_INPUT_NONINVERT_DAC;
//LL_OPAMP_StructInit(&OPAMP_InitStruct);
LL_OPAMP_SetInputsMuxMode(OPAMP3, LL_OPAMP_INPUT_MUX_DISABLE);
LL_OPAMP_SetInternalOutput(OPAMP3, LL_OPAMP_INTERNAL_OUPUT_DISABLED);
LL_OPAMP_SetTrimmingMode(OPAMP3, LL_OPAMP_TRIMMING_FACTORY);
//LL_OPAMP_Init(OPAMP3, &OPAMP_InitStruct);// need to set the LL correctly
return 0;
}
//////
// Device definition
DEVICE_DEFINE(owntech_opamp3_driver,
OPAMP3_LABEL,
opamp3_init,
device_pm_control_nop,
&data,
NULL,
PRE_KERNEL_2,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
NULL
);
/*
* Copyright (c) 2021 LAAS-CNRS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGLPV2.1
*/
/**
* @author Clément Foucher <clement.foucher@laas.fr>
*/
#ifndef OWNTECH_OPAMP3_DRIVER_H_
#define OWNTECH_OPAMP3_DRIVER_H_
// Public header
#include "opamp3.h"
#include "stm32_ll_opamp.h"
#ifdef __cplusplus
extern "C" {
#endif
#define OPAMP3_GPIO_NODE DT_ALIAS(opamp3)
#define OPAMP3_GPIO_LABEL DT_GPIO_LABEL(OPAMP3_GPIO_NODE, gpios)
#define OPAMP3_GPIO_PIN DT_GPIO_PIN(OPAMP3_GPIO_NODE, gpios)
#define OPAMP3_GPIO_FLAGS DT_GPIO_FLAGS(OPAMP3_GPIO_NODE, gpios)
static int opamp3_init(const struct device* dev);
static LL_OPAMP_InitTypeDef OPAMP_InitStruct = {0};
#ifdef __cplusplus
}
#endif
#endif // OWNTECH_NGND_DRIVER_H_
#include "dts/hrtim.dtsi"
#include "dts/adc-channels.dtsi"
#include "dts/ngnd.dtsi"
#include "dts/opamp3.dtsi"
/*******/
/* ADC */
......
......@@ -47,3 +47,4 @@ CONFIG_ASSERT=y
#CONFIG_OWNTECH_VREFBUF_DRIVER=n
#CONFIG_OWNTECH_DAC_DRIVER=n
#CONFIG_OWNTECH_COMPARATOR_DRIVER=n
#CONFIG_OWNTECH_OPAMP3_DRIVER=n
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