mbed code for MAXREFDES131 Qt GUI demo
Dependencies: OWGridEye OneWire mbed
maxrefdes131_demo.cpp
- Committer:
- j3
- Date:
- 2016-12-02
- Revision:
- 4:7c61c45e12ee
- Parent:
- 0:bd523ea97465
File content as of revision 4:7c61c45e12ee:
/********************************************************************** * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. **********************************************************************/ #include "maxrefdes131_demo.h" //********************************************************************* void print_rom_id(Serial & comms, RomId & romId) { //print the rom number for(uint8_t idx = 0; idx < RomId::byteLen; idx++) { comms.printf("0x%2x ", romId[idx]); } comms.printf("\n"); } //********************************************************************* uint8_t init_sensor_state(OneWireMaster & owm, Serial & comms) { OneWireMaster::CmdResult ow_result = owm.OWReset(); SearchState search_state; MultidropRomIterator selector(owm); DS2413 * p_ow_switch; uint8_t num_sensors = 0; uint8_t num_sensors_old = 0; if(ow_result == OneWireMaster::Success) { /*this loop will run at least twice. Each time a branch is closed OWFirst is called in order to make sure all sensors are found. When num_sensors == num_sensors_old, all sensors should have been found */ do { num_sensors_old = num_sensors; num_sensors = 0; ow_result = OWFirst(owm, search_state); while(ow_result == OneWireMaster::Success) { if(search_state.romId.familyCode() == OWGridEye::DS2413_FAMILY_CODE) { num_sensors++; p_ow_switch = new DS2413(selector); p_ow_switch->setRomId(search_state.romId); p_ow_switch->pioAccessWriteChAB(0); delete p_ow_switch; } ow_result = OWNext(owm, search_state); } } while(num_sensors > num_sensors_old); //Disconnect all branches and GridEYE sensors for proper enumeration if(num_sensors > 0) { //set all sensors to default state uint8_t write_val = 0xFD; uint8_t send_block[] = {0x5A, write_val, ~write_val}; ow_result = OWSkipRom(owm); if(ow_result == OneWireMaster::Success) { ow_result = owm.OWWriteBlock(send_block, 3); } if(ow_result != OneWireMaster::Success) { comms.printf("MBED: Failed to init sensors\n"); } } } return num_sensors; } //********************************************************************* uint8_t enumerate_sensors(Serial & comms, OneWireMaster & owm, RandomAccessRomIterator & selector, OWGridEye * array[]) { OWGridEye * p_sensor; OWGridEye::CmdResult sensor_result; RomId temp_rom; uint8_t num_sensors = 0; uint8_t num_sensors_old = 0; uint8_t array_idx = 0; uint8_t idx; bool sensor_exists = false; OneWireMaster::CmdResult ow_result = owm.OWReset(); SearchState search_state; if(ow_result == OneWireMaster::Success) { do { num_sensors_old = num_sensors; num_sensors = 0; ow_result = OWFirst(owm, search_state); while(ow_result == OneWireMaster::Success) { num_sensors++; if(search_state.romId.familyCode() == OWGridEye::DS2413_FAMILY_CODE) { //check if sensor already exists sensor_exists = false; for(idx = 0; idx < array_idx; idx++) { p_sensor = array[idx]; if(p_sensor->getOWSwitchRomId() == search_state.romId) { sensor_exists = true; } } //if sensor doesn't already exist add to array if(!sensor_exists) { p_sensor = new OWGridEye(selector); p_sensor->setOWSwitchRomId(search_state.romId); sensor_result = p_sensor->connectGridEye(); if(sensor_result == OWGridEye::Success) { search_state.findFamily(OWGridEye::DS28E17_FAMILY_CODE); ow_result = OWNext(owm, search_state); if(ow_result == OneWireMaster::Success) { p_sensor->setI2CBridgeRomId(search_state.romId); array[array_idx++] = p_sensor; comms.printf("MBED: DS2413 romId = "); temp_rom = p_sensor->getOWSwitchRomId(); print_rom_id(comms,temp_rom); comms.printf("MBED: DS28E17 romId = "); temp_rom = p_sensor->getI2CBridgeRomId(); print_rom_id(comms, temp_rom); sensor_result = p_sensor->disconnectGridEye(); if(sensor_result == OWGridEye::OpFailure) { comms.printf("MBED: Failed to disconnect sensor\n"); mbed_die(); } sensor_result = p_sensor->connectOWbus(); if(sensor_result == OWGridEye::OpFailure) { comms.printf("MBED: Failed to connect ow branch %d\n", array_idx); mbed_die(); } } else { comms.printf("MBED: Failed to find DS28E17\n", array_idx); } } else { comms.printf("MBED: Failed to connect GridEye\n", array_idx); } } } ow_result = OWNext(owm, search_state); } } while(num_sensors > num_sensors_old); } return array_idx; } //********************************************************************* void send_data(Serial & comms, float * data_buffer, float therm_temp) { comms.printf("DATA: "); wait_us(1000); for(uint8_t idx = 0; idx < 64; idx++) { comms.printf("%.3f ", data_buffer[idx]); wait_us(1000); if(((idx+1) % 8) == 0) { comms.printf("\nDATA: "); wait_us(1000); } } comms.printf("%.3f \n", therm_temp); wait_us(1000); }