Files
ttgo_smartwatch_prox/src/hardware/motor.cpp
2020-08-12 11:03:36 +02:00

166 lines
4.3 KiB
C++

/****************************************************************************
* Tu May 22 21:23:51 2020
* Copyright 2020 Dirk Brosswick
* Email: dirk.brosswick@googlemail.com
****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <TTGO.h>
#include "json_psram_allocator.h"
#include "motor.h"
#include "powermgm.h"
volatile int DRAM_ATTR motor_run_time_counter=0;
hw_timer_t * timer = NULL;
portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
bool motor_init = false;
motor_config_t motor_config;
/*
*
*/
void IRAM_ATTR onTimer() {
portENTER_CRITICAL_ISR(&timerMux);
if ( motor_run_time_counter >0 ) {
motor_run_time_counter--;
digitalWrite(GPIO_NUM_4, HIGH );
}
else {
digitalWrite(GPIO_NUM_4, LOW );
}
portEXIT_CRITICAL_ISR(&timerMux);
}
/*
*
*/
void motor_setup( void ) {
if ( motor_init == true )
return;
motor_read_config();
pinMode(GPIO_NUM_4, OUTPUT);
timer = timerBegin(0, 80, true);
timerAttachInterrupt(timer, &onTimer, true);
timerAlarmWrite(timer, 10000, true);
timerAlarmEnable(timer);
motor_init = true;
motor_vibe( 10 );
}
/*
*
*/
void motor_vibe( int time ) {
if ( motor_init == false )
return;
if ( motor_get_vibe_config() ) {
portENTER_CRITICAL(&timerMux);
motor_run_time_counter = time;
portEXIT_CRITICAL(&timerMux);
}
}
bool motor_get_vibe_config( void ) {
return( motor_config.vibe );
}
void motor_set_vibe_config( bool enable ) {
motor_config.vibe = enable;
motor_save_config();
}
/*
*
*/
void motor_save_config( void ) {
if ( SPIFFS.exists( MOTOR_CONFIG_FILE ) ) {
SPIFFS.remove( MOTOR_CONFIG_FILE );
log_i("remove old binary motor config");
}
fs::File file = SPIFFS.open( MOTOR_JSON_CONFIG_FILE, FILE_WRITE );
if (!file) {
log_e("Can't open file: %s!", MOTOR_JSON_CONFIG_FILE );
}
else {
SpiRamJsonDocument doc( 1000 );
doc["motor"] = motor_config.vibe;
if ( serializeJsonPretty( doc, file ) == 0) {
log_e("Failed to write config file");
}
doc.clear();
}
file.close();
}
/*
*
*/
void motor_read_config( void ) {
if ( SPIFFS.exists( MOTOR_JSON_CONFIG_FILE ) ) {
fs::File file = SPIFFS.open( MOTOR_JSON_CONFIG_FILE, FILE_READ );
if (!file) {
log_e("Can't open file: %s!", MOTOR_JSON_CONFIG_FILE );
}
else {
int filesize = file.size();
SpiRamJsonDocument doc( filesize * 2 );
DeserializationError error = deserializeJson( doc, file );
if ( error ) {
log_e("update check deserializeJson() failed: %s", error.c_str() );
}
else {
motor_config.vibe = doc["motor"].as<bool>();
}
doc.clear();
}
file.close();
}
else {
log_i("no json config exists, read from binary");
fs::File file = SPIFFS.open( MOTOR_CONFIG_FILE, FILE_READ );
if (!file) {
log_e("Can't open file: %s!", MOTOR_CONFIG_FILE );
}
else {
int filesize = file.size();
if ( filesize > sizeof( motor_config ) ) {
log_e("Failed to read configfile. Wrong filesize!" );
}
else {
file.read( (uint8_t *)&motor_config, filesize );
file.close();
motor_save_config();
return;
}
file.close();
}
}
}