Example host software for the Maxim Integrated MAX5171 14-bit Force/Sense DAC. Hosted on the MAX32625MBED.
Dependencies: MAX5171
Hello_MAX5171.cpp
- Committer:
- whismanoid
- Date:
- 2020-04-03
- Revision:
- 4:c6e15fe3ea9d
- Child:
- 5:965408a612dd
File content as of revision 4:c6e15fe3ea9d:
// /******************************************************************************* // * Copyright (C) 2020 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. // ******************************************************************************* // */ // example code includes // standard include for target platform -- Platform_Include_Boilerplate #include "mbed.h" // Platforms: // - MAX32625MBED // - supports mbed-os-5.11, requires USBDevice library // - add https://developer.mbed.org/teams/MaximIntegrated/code/USBDevice/ // - remove max32630fthr library (if present) // - remove MAX32620FTHR library (if present) // - MAX32600MBED // - remove max32630fthr library (if present) // - remove MAX32620FTHR library (if present) // - Windows 10 note: Don't connect HDK until you are ready to load new firmware into the board. // - NUCLEO_F446RE // - remove USBDevice library // - remove max32630fthr library (if present) // - remove MAX32620FTHR library (if present) // - NUCLEO_F401RE // - remove USBDevice library // - remove max32630fthr library (if present) // - remove MAX32620FTHR library (if present) // - MAX32630FTHR // - #include "max32630fthr.h" // - add http://os.mbed.org/teams/MaximIntegrated/code/max32630fthr/ // - remove MAX32620FTHR library (if present) // - MAX32620FTHR // - #include "MAX32620FTHR.h" // - remove max32630fthr library (if present) // - add https://os.mbed.com/teams/MaximIntegrated/code/MAX32620FTHR/ // - not tested yet // - MAX32625PICO // - remove max32630fthr library (if present) // - remove MAX32620FTHR library (if present) // - not tested yet // // end Platform_Include_Boilerplate #include "MAX5171.h" // example code board support //MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); //DigitalOut rLED(LED1); //DigitalOut gLED(LED2); //DigitalOut bLED(LED3); // // Arduino "shield" connector port definitions (MAX32625MBED shown) #if defined(TARGET_MAX32625MBED) #define A0 AIN_0 #define A1 AIN_1 #define A2 AIN_2 #define A3 AIN_3 #define D0 P0_0 #define D1 P0_1 #define D2 P0_2 #define D3 P0_3 #define D4 P0_4 #define D5 P0_5 #define D6 P0_6 #define D7 P0_7 #define D8 P1_4 #define D9 P1_5 #define D10 P1_3 #define D11 P1_1 #define D12 P1_2 #define D13 P1_0 #endif // example code declare SPI interface (GPIO controlled CS) #if defined(TARGET_MAX32625MBED) SPI spi(SPI1_MOSI, SPI1_MISO, SPI1_SCK); // mosi, miso, sclk spi1 TARGET_MAX32625MBED: P1_1 P1_2 P1_0 Arduino 10-pin header D11 D12 D13 DigitalOut spi_cs(SPI1_SS); // TARGET_MAX32625MBED: P1_3 Arduino 10-pin header D10 #elif defined(TARGET_MAX32600MBED) SPI spi(SPI2_MOSI, SPI2_MISO, SPI2_SCK); // mosi, miso, sclk spi1 TARGET_MAX32600MBED: Arduino 10-pin header D11 D12 D13 DigitalOut spi_cs(SPI2_SS); // Generic: Arduino 10-pin header D10 #elif defined(TARGET_NUCLEO_F446RE) || defined(TARGET_NUCLEO_F401RE) // TODO1: avoid resource conflict between P5_0, P5_1, P5_2 SPI and DigitalInOut // void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) // // TODO1: NUCLEO_F446RE SPI not working; CS and MOSI data looks OK but no SCLK clock pulses. SPI spi(SPI_MOSI, SPI_MISO, SPI_SCK); // mosi, miso, sclk spi1 TARGET_NUCLEO_F446RE: Arduino 10-pin header D11 D12 D13 DigitalOut spi_cs(SPI_CS); // TARGET_NUCLEO_F446RE: PB_6 Arduino 10-pin header D10 // #else SPI spi(D11, D12, D13); // mosi, miso, sclk spi1 TARGET_MAX32600MBED: Arduino 10-pin header D11 D12 D13 DigitalOut spi_cs(D10); // Generic: Arduino 10-pin header D10 #endif // example code declare GPIO interface pins // AnalogOut FB_pin(Px_x_PortName_To_Be_Determined); // Analog Input to MAX5171 device DigitalOut RS_pin(D9); // Digital Configuration Input to MAX5171 device DigitalOut PDLb_pin(D8); // Digital Configuration Input to MAX5171 device DigitalOut CLRb_pin(D7); // Digital Configuration Input to MAX5171 device DigitalOut SHDN_pin(D6); // Digital Configuration Input to MAX5171 device // AnalogIn OUT_pin(A0); // Analog Output from MAX5171 device DigitalIn UPO_pin(D5); // Digital General-Purpose Output from MAX5171 device // example code declare device instance MAX5171 g_MAX5171_device(spi, spi_cs, RS_pin, PDLb_pin, CLRb_pin, SHDN_pin, UPO_pin, MAX5171::MAX5171_IC); // example code main function int main() { g_MAX5171_device.Init(); while (1) { uint16_t code; // // example #1 code = 0x3332; // 80.0% of full scale REF(2.50V) = 2.00V (FORCE_BIP/SENSE_BIP: 1.50V) g_MAX5171_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #2 code = 0x1fff; // 50.0% of full scale REF(2.50V) = 1.25V (FORCE_BIP/SENSE_BIP: 0.00V) g_MAX5171_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #3 code = 0x1999; // 40.0% of full scale REF(2.50V) = 1.00V (FORCE_BIP/SENSE_BIP: -0.50V) g_MAX5171_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #4 code = 0x0000; // 0.0% of full scale REF(2.50V) = 0.00V (FORCE_BIP/SENSE_BIP: -2.50V) g_MAX5171_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #5 code = 0x3fff; // 100.0% of full scale REF(2.50V) = 2.50V (FORCE_BIP/SENSE_BIP: 2.50V) g_MAX5171_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // wait(3.0); } }