90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/*
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* Copyright (C) 2023, Samsung Electronics Co. Ltd. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "../sensormanager/shub_sensor.h"
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#include "../sensormanager/shub_sensor_manager.h"
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#include "../utility/shub_utility.h"
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#include "hub_debugger.h"
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#include <linux/slab.h>
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u8 buf_fifo_data[512];
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u8 *get_hub_debugger_fifo_data(void)
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{
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return buf_fifo_data;
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}
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int get_hub_debugger_value(char *dataframe, int *index, struct sensor_event *event, int frame_len)
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{
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u16 length = 0;
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u8 *buf;
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u8 cmd = 0;
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_HUB_DEBUGGER);
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memcpy(&length, dataframe + *index, 2);
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if (*index + length > frame_len)
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return -EINVAL;
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*index += 2;
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buf = kzalloc(length, GFP_KERNEL);
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memcpy(buf, dataframe + *index, length);
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if (sensor->spec.version == 0) {
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shub_info("[M] %s", buf);
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} else if (sensor->spec.version == 1) {
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cmd = buf[0];
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if (cmd == HUB_DUBBGER_SUBCMD_LOG) {
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shub_info("[M] %s", &buf[1]);
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} else if (cmd == HUB_DUBBGER_SUBCMD_FIFO_DATA) {
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memset(buf_fifo_data, 0, sizeof(buf_fifo_data));
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memcpy(buf_fifo_data, &buf[1], length-1);
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} else {
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shub_info("hub_debugger cmd is wrong : %d", cmd);
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}
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}
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*index += length;
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kfree(buf);
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return 0;
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}
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static struct sensor_funcs hub_debugger_sensor_funcs = {
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.get_sensor_value = get_hub_debugger_value,
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};
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int init_hub_debugger(bool en)
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{
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int ret = 0;
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_HUB_DEBUGGER);
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if (!sensor)
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return 0;
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if (en) {
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ret = init_default_func(sensor, "hub_debugger", 0, 0, 0);
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sensor->hal_sensor = false;
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sensor->funcs = &hub_debugger_sensor_funcs;
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} else {
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destroy_default_func(sensor);
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}
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return ret;
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}
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