3214923425
- Change init sequence: I2C is now initialized before "power" init phase, to allow for I2C power control - I2c HAL: Added read/write support for registers - Added axp192 code from https://github.com/tuupola/axp192 to Core2 implementation - Fixes for Core2Power - Fix for root project CMakeLists.txt
440 lines
14 KiB
C
440 lines
14 KiB
C
/*
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MIT License
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Copyright (c) 2019-2021 Mika Tuupola
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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-cut-
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This file is part of hardware agnostic I2C driver for AXP192:
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https://github.com/tuupola/axp192
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SPDX-License-Identifier: MIT
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Version: 0.6.0
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include "axp192_config.h"
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#include "axp192.h"
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static axp192_err_t read_coloumb_counter(const axp192_t *axp, float *buffer);
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static axp192_err_t read_battery_power(const axp192_t *axp, float *buffer);
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static const axp192_init_command_t init_commands[] = {
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#ifdef AXP192_INCLUDE_SDKCONFIG_H
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/* Currently you have to use menuconfig to be able to use axp192_init() */
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{AXP192_DCDC1_VOLTAGE, {CONFIG_AXP192_DCDC1_VOLTAGE}, 1},
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{AXP192_DCDC3_VOLTAGE, {CONFIG_AXP192_DCDC3_VOLTAGE}, 1},
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{AXP192_LDO23_VOLTAGE, {CONFIG_AXP192_LDO23_VOLTAGE}, 1},
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{AXP192_GPIO0_LDOIO0_VOLTAGE, {CONFIG_AXP192_GPIO0_LDOIO0_VOLTAGE}, 1},
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{AXP192_DCDC13_LDO23_CONTROL, {CONFIG_AXP192_DCDC13_LDO23_CONTROL}, 1},
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{AXP192_EXTEN_DCDC2_CONTROL, {CONFIG_AXP192_EXTEN_DCDC2_CONTROL}, 1},
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{AXP192_GPIO0_CONTROL, {CONFIG_AXP192_GPIO0_CONTROL}, 1},
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{AXP192_GPIO1_CONTROL, {CONFIG_AXP192_GPIO1_CONTROL}, 1},
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{AXP192_GPIO2_CONTROL, {CONFIG_AXP192_GPIO2_CONTROL}, 1},
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{AXP192_GPIO43_FUNCTION_CONTROL, {CONFIG_AXP192_GPIO43_FUNCTION_CONTROL}, 1},
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{AXP192_ADC_ENABLE_1, {CONFIG_AXP192_ADC_ENABLE_1}, 1},
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{AXP192_CHARGE_CONTROL_1, {CONFIG_AXP192_CHARGE_CONTROL_1}, 1},
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{AXP192_BATTERY_CHARGE_CONTROL, {CONFIG_AXP192_BATTERY_CHARGE_CONTROL}, 1},
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#endif /* AXP192_INCLUDE_SDKCONFIG_H */
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/* End of commands. */
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{0, {0}, 0xff},
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};
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axp192_err_t axp192_init(const axp192_t *axp)
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{
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uint8_t cmd = 0;
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axp192_err_t status;
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/* Send all the commands. */
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while (init_commands[cmd].count != 0xff) {
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status = axp->write(
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axp->handle,
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AXP192_ADDRESS,
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init_commands[cmd].command,
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init_commands[cmd].data,
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init_commands[cmd].count & 0x1f
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);
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if (AXP192_OK != status) {
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return status;
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}
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cmd++;
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}
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return AXP192_OK;
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}
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static axp192_err_t axp192_read_adc(const axp192_t *axp, uint8_t reg, float *buffer)
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{
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uint8_t tmp[4];
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float sensitivity = 1.0;
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float offset = 0.0;
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axp192_err_t status;
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switch (reg) {
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case AXP192_ACIN_VOLTAGE:
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case AXP192_VBUS_VOLTAGE:
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/* 1.7mV per LSB */
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sensitivity = 1.7 / 1000;
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break;
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case AXP192_ACIN_CURRENT:
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/* 0.375mA per LSB */
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sensitivity = 0.625 / 1000;
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break;
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case AXP192_VBUS_CURRENT:
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/* 0.375mA per LSB */
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sensitivity = 0.375 / 1000;
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break;
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case AXP192_TEMP:
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/* 0.1C per LSB, 0x00 = -144.7C */
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sensitivity = 0.1;
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offset = -144.7;
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break;
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case AXP192_TS_INPUT:
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/* 0.8mV per LSB */
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sensitivity = 0.8 / 1000;
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break;
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case AXP192_BATTERY_POWER:
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/* 1.1mV * 0.5mA per LSB */
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return read_battery_power(axp, buffer);
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break;
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case AXP192_BATTERY_VOLTAGE:
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/* 1.1mV per LSB */
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sensitivity = 1.1 / 1000;
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break;
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case AXP192_CHARGE_CURRENT:
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case AXP192_DISCHARGE_CURRENT:
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/* 0.5mV per LSB */
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sensitivity = 0.5 / 1000;
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break;
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case AXP192_APS_VOLTAGE:
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/* 1.4mV per LSB */
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sensitivity = 1.4 / 1000;
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break;
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case AXP192_COULOMB_COUNTER:
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/* This is currently untested. */
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return read_coloumb_counter(axp, buffer);
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break;
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}
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status = axp->read(axp->handle, AXP192_ADDRESS, reg, tmp, 2);
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if (AXP192_OK != status) {
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return status;
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}
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*buffer = (((tmp[0] << 4) + tmp[1]) * sensitivity) + offset;
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return AXP192_OK;
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}
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axp192_err_t axp192_read(const axp192_t *axp, uint8_t reg, void *buffer) {
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switch (reg) {
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case AXP192_ACIN_VOLTAGE:
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case AXP192_VBUS_VOLTAGE:
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case AXP192_ACIN_CURRENT:
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case AXP192_VBUS_CURRENT:
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case AXP192_TEMP:
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case AXP192_TS_INPUT:
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case AXP192_BATTERY_POWER:
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case AXP192_BATTERY_VOLTAGE:
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case AXP192_CHARGE_CURRENT:
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case AXP192_DISCHARGE_CURRENT:
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case AXP192_APS_VOLTAGE:
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case AXP192_COULOMB_COUNTER:
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/* Return ADC value. */
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return axp192_read_adc(axp, reg, buffer);
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break;
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default:
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/* Return raw register value. */
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return axp->read(axp->handle, AXP192_ADDRESS, reg, buffer, 1);
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}
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}
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axp192_err_t axp192_write(const axp192_t *axp, uint8_t reg, uint8_t value) {
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switch (reg) {
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case AXP192_ACIN_VOLTAGE:
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case AXP192_VBUS_VOLTAGE:
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case AXP192_ACIN_CURRENT:
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case AXP192_VBUS_CURRENT:
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case AXP192_TEMP:
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case AXP192_TS_INPUT:
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case AXP192_BATTERY_POWER:
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case AXP192_BATTERY_VOLTAGE:
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case AXP192_CHARGE_CURRENT:
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case AXP192_DISCHARGE_CURRENT:
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case AXP192_APS_VOLTAGE:
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case AXP192_COULOMB_COUNTER:
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/* Read only register. */
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return AXP192_ERROR_ENOTSUP;
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break;
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default:
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/* Write raw register value. */
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &value, 1);
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}
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}
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axp192_err_t axp192_ioctl(const axp192_t *axp, int command, ...)
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{
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uint8_t reg = command >> 8;
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uint8_t tmp;
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uint16_t argument;
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va_list ap;
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switch (command) {
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case AXP192_COULOMB_COUNTER_ENABLE:
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tmp = 0b10000000;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_COULOMB_COUNTER_DISABLE:
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tmp = 0b00000000;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_COULOMB_COUNTER_SUSPEND:
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tmp = 0b11000000;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_COULOMB_COUNTER_CLEAR:
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tmp = 0b10100000;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_LDOIO0_ENABLE:
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/* 0x02 = LDO */
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tmp = 0b00000010;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_LDOIO0_DISABLE:
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/* 0x07 = float */
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tmp = 0b00000111;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_LDO2_ENABLE:
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/* This is currently untested. */
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case AXP192_EXTEN_ENABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp |= 0b00000100;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_LDO2_DISABLE:
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/* This is currently untested. */
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case AXP192_EXTEN_DISABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp &= ~0b00000100;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_GPIO2_SET_LEVEL:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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va_start(ap, command);
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argument = (uint8_t) va_arg(ap, int);
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va_end(ap);
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if (argument) {
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tmp |= 0b00000100;
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} else {
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tmp &= ~0b00000100;
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}
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_LDO3_ENABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp |= 0b00001000;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_LDO3_DISABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp &= ~0b00001000;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_DCDC1_ENABLE:
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/* This is currently untested. */
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case AXP192_DCDC2_ENABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp |= 0b00000001;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_DCDC1_DISABLE:
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/* This is currently untested. */
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case AXP192_DCDC2_DISABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp &= ~0b00000001;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_DCDC3_ENABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp |= 0b00000010;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_DCDC3_DISABLE:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp &= ~0b00000010;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_GPIO1_SET_LEVEL:
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case AXP192_GPIO4_SET_LEVEL:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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va_start(ap, command);
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argument = (uint8_t) va_arg(ap, int);
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va_end(ap);
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if (argument) {
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tmp |= 0b00000010;
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} else {
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tmp &= ~0b00000010;
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}
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_GPIO0_SET_LEVEL:
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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va_start(ap, command);
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argument = (uint8_t) va_arg(ap, int);
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va_end(ap);
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if (argument) {
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tmp |= 0b00000001;
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} else {
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tmp &= ~0b00000001;
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}
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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case AXP192_DCDC1_SET_VOLTAGE:
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case AXP192_DCDC3_SET_VOLTAGE:
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va_start(ap, command);
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argument = (uint16_t) va_arg(ap, int);
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va_end(ap);
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/* 700-3500mv 25mV per step */
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if ((argument < 700) || (argument > 3500)) {
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return AXP192_ERROR_EINVAL;
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}
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tmp = (argument - 700) / 25;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_DCDC2_SET_VOLTAGE:
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va_start(ap, command);
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argument = (uint16_t) va_arg(ap, int);
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va_end(ap);
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/* 700-2275mV 25mV per step */
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if ((argument < 700) || (argument > 2275)) {
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return AXP192_ERROR_EINVAL;
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}
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tmp = (argument - 700) / 25;
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_LDO2_SET_VOLTAGE:
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va_start(ap, command);
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argument = (uint16_t) va_arg(ap, int);
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va_end(ap);
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/* 1800-3300mV 100mV per step */
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if ((argument < 1800) || (argument > 3300)) {
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return AXP192_ERROR_EINVAL;
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}
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp &= ~0xf0;
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tmp |= (((argument - 1800) / 100) << 4);
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_LDO3_SET_VOLTAGE:
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va_start(ap, command);
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argument = (uint16_t) va_arg(ap, int);
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va_end(ap);
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/* 1800-3300mV 100mV per step */
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if ((argument < 1800) || (argument > 3300)) {
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return AXP192_ERROR_EINVAL;
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}
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axp->read(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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tmp &= ~0x0f;
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tmp |= ((argument - 1800) / 100);
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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/* This is currently untested. */
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case AXP192_LDOIO0_SET_VOLTAGE:
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va_start(ap, command);
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argument = (uint16_t) va_arg(ap, int);
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va_end(ap);
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/* 1800-3300mV 100mV per step, 2800mV default. */
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if ((argument < 1800) || (argument > 3300)) {
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return AXP192_ERROR_EINVAL;
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}
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tmp = (((argument - 1800) / 100) << 4);
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return axp->write(axp->handle, AXP192_ADDRESS, reg, &tmp, 1);
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break;
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}
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return AXP192_ERROR_NOTTY;
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}
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static axp192_err_t read_coloumb_counter(const axp192_t *axp, float *buffer)
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{
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uint8_t tmp[4];
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int32_t coin, coout;
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axp192_err_t status;
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status = axp->read(axp->handle, AXP192_ADDRESS, AXP192_CHARGE_COULOMB, tmp, sizeof(coin));
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if (AXP192_OK != status) {
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return status;
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}
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coin = (tmp[0] << 24) + (tmp[1] << 16) + (tmp[2] << 8) + tmp[3];
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status = axp->read(axp->handle, AXP192_ADDRESS, AXP192_DISCHARGE_COULOMB, tmp, sizeof(coout));
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if (AXP192_OK != status) {
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return status;
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}
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coout = (tmp[0] << 24) + (tmp[1] << 16) + (tmp[2] << 8) + tmp[3];
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/* CmAh = 65536 * 0.5mA *（coin - cout) / 3600 / ADC sample rate */
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*buffer = 32768 * (coin - coout) / 3600 / 25;
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return AXP192_OK;
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}
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static axp192_err_t read_battery_power(const axp192_t *axp, float *buffer)
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{
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uint8_t tmp[4];
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float sensitivity;
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axp192_err_t status;
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/* 1.1mV * 0.5mA per LSB */
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sensitivity = 1.1 * 0.5 / 1000;
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status = axp->read(axp->handle, AXP192_ADDRESS, AXP192_BATTERY_POWER, tmp, 3);
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if (AXP192_OK != status) {
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return status;
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}
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*buffer = (((tmp[0] << 16) + (tmp[1] << 8) + tmp[2]) * sensitivity);
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return AXP192_OK;
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} |