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TCPClient.java

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  • coincellhell.c 7.33 KiB
    /* * Copyright (c) 2023 Carl Klemm <carl@uvos.xyz>
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without modification,
     * are permitted provided that the following conditions are met:
     *
     *  * Redistributions of source code must retain the above copyright notice, this
     * list of conditions and the following disclaimer.
     *  * Redistributions in binary form must reproduce the above copyright notice,
     * this list of conditions and the following disclaimer in the documentation and/or
     * other materials provided with the distribution.
     *  * Neither the name of %ORGANIZATION% nor the names of its contributors may be
     * used to endorse or promote products derived from this software without specific
     * prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
     * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #define _POSIX_C_SOURCE 199309L
    
    #include <stdint.h>
    #include <stdlib.h>
    #include <time.h>
    #include <stdio.h>
    #include <assert.h>
    
    #include "coincellhell/coincellhell.h"
    #include "usbshm.h"
    #include "usbcommands.h"
    
    #define VID 0xfe17
    #define PID 0x08dc
    
    static void usleep(uint64_t microseconds)
    {
    	struct timespec ts;
    	ts.tv_sec = microseconds / 1000000;
    	ts.tv_nsec = (microseconds % 1000000) * 1000;
    	nanosleep(&ts, NULL);
    }
    
    int coincellhell_connect(struct coincellhell* hell, uint16_t serial)
    {
    	int ret;
    	hell->priv = malloc(sizeof(*hell->priv));
    	if(!hell->priv)
    		return -1;
    	
    	ret = usbshm_init(hell->priv, NULL, hell);
    	if(ret)
    		return -2;
    
    	unsigned char serialStr[5];
    	snprintf((char*)serialStr, sizeof(serialStr), "%04hu", serial);
    
    	ret = usbshm_open(hell->priv, VID, PID , serial == 0 ? NULL : serialStr);
    	if(ret)
    		return -3;
    	return 0;
    }
    
    int coincellhell_get_temperature(struct coincellhell* hell, uint8_t heater, temperature_sensor_location_t location, float* temperature)
    {
    	int16_t temperatureRaw = 0;
    	uint8_t *dataPtr = (uint8_t*)&temperatureRaw;
    	int ret;
    	while((ret = usbshm_readControlTransferSync(hell->priv, COMMAND_HEATER_GET_TEMPERATURE, location, heater, dataPtr, 2)) == USBSHM_ERROR_AGAIN)
    		usleep(1000000);
    	*temperature = temperatureRaw/10.0f;
    	return ret == 2 ? 0 : -1;
    }
    
    int coincellhell_set_temperature(struct coincellhell* hell, uint8_t heater, float temperature)
    {
    	if(temperature*10.0f > INT16_MAX || temperature*10.0f < INT16_MIN)
    		return -6;
    	int ret;
    	while((ret = usbshm_writeControlTransfer(hell->priv, COMMAND_HEATER_SET_TEMPERATURE, NULL, 0, temperature*10.0f, heater)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	return ret >= 0 ? 0 : -1;
    }
    
    int coincellhell_get_temperature_setpoint(struct coincellhell* hell, uint8_t heater, float* temperature)
    {
    	int16_t temperatureRaw = 0;
    	uint8_t *dataPtr = (uint8_t*)&temperatureRaw;
    	int ret;
    	while((ret = usbshm_readControlTransferSync(hell->priv, COMMAND_HEATER_GET_TEMPERATURE_SETPOINT, 0, heater, dataPtr, 2)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	*temperature = temperatureRaw/10.0f;
    	return ret == 2 ? 0 : -1;
    }
    
    
    int coincellhell_get_state(struct coincellhell* hell, uint8_t heater, struct heater_state* state)
    {
    	uint8_t buf[8];
    	int ret;
    	while((ret = usbshm_readControlTransferSync(hell->priv, COMMAND_HEATER_GET_STATE, 0, heater, buf, 8)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    
    	if(ret != 8)
    		return -1;
    
    	int16_t* setpoint   = (int16_t*)(buf+1);
    	int16_t* rampTarget = (int16_t*)(buf+3);
    
    	state->enabled = buf[0] & (1 << 0);
    	state->ready = buf[0] & (1 << 1);
    	state->ramp = buf[0] & (1 << 2);
    	state->fault = buf[0] & (1 << 3);
    
    	state->setpoint = *setpoint/10.0f;
    	state->rampTarget = *rampTarget/10.0f;
    	state->dacCommand = buf[5];
    
    	while((ret = usbshm_readControlTransferSync(hell->priv, COMMAND_HEATER_GET_STATE, 1, heater, buf, 8)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    
    	if(ret != 8)
    		return -1;
    
    	time_t currentTime = time(NULL);
    	uint32_t microTime = coincellhell_get_seconds(hell);
    	uint32_t* startTime = (uint32_t*)buf;
    	uint32_t* endTime = (uint32_t*)(buf+4);
    
    	state->rampStartTime = currentTime + ((int64_t)*startTime - microTime);
    	state->rampStopTime = currentTime + ((int64_t)*endTime - microTime);
    
    	return 0;
    }
    
    int coincellhell_set_enabled(struct coincellhell* hell, uint8_t heater, bool enabled)
    {
    	int ret;
    	while((ret = usbshm_writeControlTransfer(hell->priv, COMMAND_HEATER_SET_ENABLED, NULL, 0, enabled, heater)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	return ret;
    }
    
    int coincellhell_check_ready(struct coincellhell* hell, bool* ready)
    {
    	*ready = false;
    	int ret;
    	uint8_t readybits;
    	while((ret = usbshm_readControlTransferSync(hell->priv, COMMAND_READY, 0, 0, &readybits, 1)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	*ready = !(~readybits & 0x0F);
    	return ret == 1 ? 0 : -1;
    }
    
    int coincellhell_set_temperature_ramp(struct coincellhell* hell, uint8_t heater, time_t end_time, float temperature)
    {
    	time_t currentTime = time(NULL);
    	time_t timeDelta = end_time - currentTime;
    	if(timeDelta < 0)
    		return -1;
    
    	char buffer[7];
    	buffer[0] = heater;
    
    	uint32_t microTime = coincellhell_get_seconds(hell);
    	uint32_t* endTime = (uint32_t*)(buffer+3);
    	int16_t* setpoint = (int16_t*)(buffer+1);
    	*endTime = microTime + timeDelta;
    	*setpoint = temperature/10.0f;
    
    	int ret;
    	while((ret = usbshm_writeControlTransfer(hell->priv, COMMAND_HEATER_SETUP_RAMP, buffer, 7, 0, 0)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    
    	return ret;
    }
    
    int coincellhell_cancle_ramp(struct coincellhell* hell, uint8_t heater)
    {
    	int ret;
    	while((ret = usbshm_writeControlTransfer(hell->priv, COMMAND_HEATER_RAMP_CANCLE, NULL, 0, 0, heater)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	return ret;
    }
    
    int coincellhell_set_led(struct coincellhell* hell, bool on)
    {
    	int ret;
    	while((ret = usbshm_writeControlTransfer(hell->priv, on ? COMMAND_LED_ON : COMMAND_LED_OFF, NULL, 0, 0, 0)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	return ret;
    }
    
    int coincellhell_write_eeprom(struct coincellhell* hell, uint16_t addr, uint16_t value)
    {
    	int ret;
    	while((ret = usbshm_writeControlTransfer(hell->priv, COMMAND_WRITE_EEPROM, NULL, 0, value, addr)) == USBSHM_ERROR_AGAIN)
    		usleep(100000);
    	return ret;
    }
    
    uint16_t coincellhell_read_eeprom(struct coincellhell* hell, uint16_t addr)
    {
    	uint8_t buffer[2] = {};
    	usbshm_readControlTransferSync(hell->priv, COMMAND_READ_EEPROM, 0, addr, buffer, 2);
    	return *((uint16_t*)buffer);
    }
    
    
    uint8_t coincellhell_read_oscal(struct coincellhell* hell)
    {
    	uint8_t oscal;
    	usbshm_readControlTransferSync(hell->priv, COMMAND_READ_OSCAL, 0, 0, &oscal, 1);
    	return oscal;
    }
    
    uint32_t coincellhell_get_seconds(struct coincellhell* hell)
    {
    	uint32_t seconds;
    	usbshm_readControlTransferSync(hell->priv, COMMAND_GET_SECONDS, 0, 0, (uint8_t*)&seconds, 4);
    	return seconds;
    }
    
    void coincellhell_disconnect(struct coincellhell* hell)
    {
    	usbshm_distroy(hell->priv);
    	free(hell->priv);
    	hell->priv = NULL;
    }