Program for controlling MAX32630FTHR using a PC via USB serial interface
Dependencies: OneWire max32630fthr USBDevice
main.cpp
- Committer:
- destarija
- Date:
- 2020-01-31
- Revision:
- 10:a2ab93f0eb34
- Parent:
- 9:02c5adb483c8
File content as of revision 10:a2ab93f0eb34:
/******************************************************************************* * Copyright (C) 2018 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 "mbed.h" #include "max32630fthr.h" #include "USBSerial.h" void parse(char *buffer, char *argv[], int c); int write_reg(char slave_addr, char reg_addr, char *data); int read_reg(char slave_addr, char reg_addr, char *data); MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); // Virtual serial port over USB USBSerial microUSB; DigitalOut rLED(LED1); DigitalOut gLED(LED2); DigitalOut bLED(LED3); I2C i2c1(P3_4, P3_5); // main() runs in its own thread in the OS // (note the calls to Thread::wait below for delays) int main() { char buffer[32]; char *argv[4]; buffer[31] = '\0'; char slave_addr, reg_addr, data; char *ptr; i2c1.frequency(0); while(1) { microUSB.printf(">> "); microUSB.scanf("%31[^\r\n]", buffer); parse(buffer, argv, 4); slave_addr = (char) strtol(argv[1], NULL, 16); reg_addr = (char) strtol(argv[2], NULL, 16); data = (char) strtol(argv[3], NULL, 16); microUSB.printf("command: %s\r\n", argv[0]); microUSB.printf("slave address: %d\r\n", slave_addr); microUSB.printf("reg address: %d\r\n", reg_addr); microUSB.printf("data: %d\r\n", data); if (!strcmp(argv[0], "write")) if (write_reg(slave_addr, reg_addr, &data)==1) microUSB.printf("ACK received\r\n"); else microUSB.printf("NACK received\r\n"); else if (!strcmp(argv[0], "read")) if (read_reg(slave_addr, reg_addr, &data)==1) microUSB.printf("ACK received\r\n"); else microUSB.printf("NACK received\r\n"); else microUSB.printf("invalid command\r\n"); bLED = !bLED; } } int write_reg(char slave_addr, char reg_addr, char *data) { //i2c1.write((int)slave_addr, ®_addr, 1, true); //wait_ms(0.01); //return i2c1.write(*(int*)data); i2c1.start(); //i2c1.write((int)slave_addr); //i2c1.write((int)reg_addr); //i2c1.write(*(int*)data); i2c1.stop(); } int read_reg(char slave_addr, char reg_addr, char *data) { //i2c1.write((int)slave_addr, ®_addr, 1, true); //wait_ms(0.01); //return i2c1.read(*(int*)data); i2c1.start(); //i2c1.write((int)slave_addr); //i2c1.write((int)reg_addr); //*data = i2c1.read(1); i2c1.stop(); } void parse(char *buffer, char *argv[], int c) { char *ptr; int i; i = 0; ptr = buffer; while (i<c && *ptr != '\n' && *ptr != '\0') { argv[i++] = ptr; while (*ptr != ' ' && *ptr != '\n' && *ptr != '\0') ptr++; *(ptr++) = '\0'; } }