Maxim Integrated / Mbed OS MAX5715BOB_12bit_4ch_SPI_DAC

Example host software for the Maxim Integrated MAX5715 12-bit 4-channel voltage-output DAC. Hosted on the MAX32625MBED.

Dependencies:   MAX5715

main.cpp@13:9fdbd02b6e46, 2019-08-04 (annotated)

Committer:
whismanoid
Date:
Sun Aug 04 01:47:56 2019 -0700
Revision:
13:9fdbd02b6e46
Parent:
12:f84771a41b3b 
MAX5715 demo CODEnLOADn improved comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
whismanoid 2:015f0dc1ff16 1 // /*******************************************************************************
whismanoid 2:015f0dc1ff16 2 // * Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
whismanoid 2:015f0dc1ff16 3 // *
whismanoid 2:015f0dc1ff16 4 // * Permission is hereby granted, free of charge, to any person obtaining a
whismanoid 2:015f0dc1ff16 5 // * copy of this software and associated documentation files (the "Software"),
whismanoid 2:015f0dc1ff16 6 // * to deal in the Software without restriction, including without limitation
whismanoid 2:015f0dc1ff16 7 // * the rights to use, copy, modify, merge, publish, distribute, sublicense,
whismanoid 2:015f0dc1ff16 8 // * and/or sell copies of the Software, and to permit persons to whom the
whismanoid 2:015f0dc1ff16 9 // * Software is furnished to do so, subject to the following conditions:
whismanoid 2:015f0dc1ff16 10 // *
whismanoid 2:015f0dc1ff16 11 // * The above copyright notice and this permission notice shall be included
whismanoid 2:015f0dc1ff16 12 // * in all copies or substantial portions of the Software.
whismanoid 2:015f0dc1ff16 13 // *
whismanoid 2:015f0dc1ff16 14 // * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
whismanoid 2:015f0dc1ff16 15 // * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
whismanoid 2:015f0dc1ff16 16 // * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
whismanoid 2:015f0dc1ff16 17 // * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
whismanoid 2:015f0dc1ff16 18 // * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
whismanoid 2:015f0dc1ff16 19 // * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
whismanoid 2:015f0dc1ff16 20 // * OTHER DEALINGS IN THE SOFTWARE.
whismanoid 2:015f0dc1ff16 21 // *
whismanoid 2:015f0dc1ff16 22 // * Except as contained in this notice, the name of Maxim Integrated
whismanoid 2:015f0dc1ff16 23 // * Products, Inc. shall not be used except as stated in the Maxim Integrated
whismanoid 2:015f0dc1ff16 24 // * Products, Inc. Branding Policy.
whismanoid 2:015f0dc1ff16 25 // *
whismanoid 2:015f0dc1ff16 26 // * The mere transfer of this software does not imply any licenses
whismanoid 2:015f0dc1ff16 27 // * of trade secrets, proprietary technology, copyrights, patents,
whismanoid 2:015f0dc1ff16 28 // * trademarks, maskwork rights, or any other form of intellectual
whismanoid 2:015f0dc1ff16 29 // * property whatsoever. Maxim Integrated Products, Inc. retains all
whismanoid 2:015f0dc1ff16 30 // * ownership rights.
whismanoid 2:015f0dc1ff16 31 // *******************************************************************************
whismanoid 2:015f0dc1ff16 32 // */
whismanoid 3:9db1ff35500e 33 // CODE GENERATOR: example code includes
whismanoid 2:015f0dc1ff16 34 // example code includes
whismanoid 13:9fdbd02b6e46 35 // standard include for target platform
whismanoid 0:cb3754747a08 36 #include "mbed.h"
whismanoid 0:cb3754747a08 37 //#include "max32625.h"
whismanoid 0:cb3754747a08 38 #include "MAX5715.h"
whismanoid 5:e9594321c488 39
whismanoid 2:015f0dc1ff16 40 // example code board support
whismanoid 0:cb3754747a08 41 //MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
whismanoid 0:cb3754747a08 42 //DigitalOut rLED(LED1);
whismanoid 0:cb3754747a08 43 //DigitalOut gLED(LED2);
whismanoid 0:cb3754747a08 44 //DigitalOut bLED(LED3);
whismanoid 2:015f0dc1ff16 45 //
whismanoid 5:e9594321c488 46 // Arduino "shield" connector port definitions (MAX32625MBED shown)
whismanoid 5:e9594321c488 47 #if defined(TARGET_MAX32625MBED)
whismanoid 5:e9594321c488 48 #define A0 AIN_0
whismanoid 5:e9594321c488 49 #define A1 AIN_1
whismanoid 5:e9594321c488 50 #define A2 AIN_2
whismanoid 5:e9594321c488 51 #define A3 AIN_3
whismanoid 5:e9594321c488 52 #define D0 P0_0
whismanoid 5:e9594321c488 53 #define D1 P0_1
whismanoid 5:e9594321c488 54 #define D2 P0_2
whismanoid 5:e9594321c488 55 #define D3 P0_3
whismanoid 5:e9594321c488 56 #define D4 P0_4
whismanoid 5:e9594321c488 57 #define D5 P0_5
whismanoid 5:e9594321c488 58 #define D6 P0_6
whismanoid 5:e9594321c488 59 #define D7 P0_7
whismanoid 2:015f0dc1ff16 60 #define D8 P1_4
whismanoid 2:015f0dc1ff16 61 #define D9 P1_5
whismanoid 5:e9594321c488 62 #define D10 P1_3
whismanoid 5:e9594321c488 63 #define D11 P1_1
whismanoid 5:e9594321c488 64 #define D12 P1_2
whismanoid 5:e9594321c488 65 #define D13 P1_0
whismanoid 5:e9594321c488 66 #endif
whismanoid 2:015f0dc1ff16 67
whismanoid 2:015f0dc1ff16 68 // example code declare SPI interface
whismanoid 4:00b24a55a098 69 #if defined(TARGET_MAX32625MBED)
whismanoid 4:00b24a55a098 70 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
whismanoid 4:00b24a55a098 71 DigitalOut spi_cs(SPI1_SS); // TARGET_MAX32625MBED: P1_3 Arduino 10-pin header D10
whismanoid 4:00b24a55a098 72 #elif defined(TARGET_MAX32600MBED)
whismanoid 4:00b24a55a098 73 SPI spi(SPI2_MOSI, SPI2_MISO, SPI2_SCK); // mosi, miso, sclk spi1 TARGET_MAX32600MBED: Arduino 10-pin header D11 D12 D13
whismanoid 4:00b24a55a098 74 DigitalOut spi_cs(SPI2_SS); // Generic: Arduino 10-pin header D10
whismanoid 4:00b24a55a098 75 #else
whismanoid 4:00b24a55a098 76 SPI spi(D11, D12, D13); // mosi, miso, sclk spi1 TARGET_MAX32600MBED: Arduino 10-pin header D11 D12 D13
whismanoid 4:00b24a55a098 77 DigitalOut spi_cs(D10); // Generic: Arduino 10-pin header D10
whismanoid 4:00b24a55a098 78 #endif
whismanoid 2:015f0dc1ff16 79
whismanoid 2:015f0dc1ff16 80 // example code declare GPIO interface pins
whismanoid 9:1d512984d625 81 DigitalOut LDACb_pin(D9); // Digital Trigger Input to MAX5715 device
whismanoid 9:1d512984d625 82 DigitalOut CLRb_pin(D8); // Digital Trigger Input to MAX5715 device
whismanoid 9:1d512984d625 83 // AnalogOut REF_pin(Px_x_PortName_To_Be_Determined); // Reference Input to MAX5715 device
whismanoid 9:1d512984d625 84 // AnalogIn OUTA_pin(A0); // Analog Output from MAX5715 device
whismanoid 9:1d512984d625 85 // AnalogIn OUTB_pin(A1); // Analog Output from MAX5715 device
whismanoid 9:1d512984d625 86 // AnalogIn OUTC_pin(A2); // Analog Output from MAX5715 device
whismanoid 9:1d512984d625 87 // AnalogIn OUTD_pin(A3); // Analog Output from MAX5715 device
whismanoid 9:1d512984d625 88 // DigitalIn RDYb_pin(Px_x_PortName_To_Be_Determined); // Digital MAX5715 Output from MAX5715 device
whismanoid 2:015f0dc1ff16 89 // example code declare device instance
whismanoid 1:f82c4c7fe134 90 MAX5715 g_MAX5715_device(spi, spi_cs, LDACb_pin, CLRb_pin, MAX5715::MAX5715_IC);
whismanoid 0:cb3754747a08 91
whismanoid 2:015f0dc1ff16 92 // example code main function
whismanoid 0:cb3754747a08 93 int main()
whismanoid 0:cb3754747a08 94 {
whismanoid 6:0bfe0d990850 95 while (1)
whismanoid 6:0bfe0d990850 96 {
whismanoid 6:0bfe0d990850 97 // CODE GENERATOR: example code: member function Init
whismanoid 6:0bfe0d990850 98 g_MAX5715_device.Init();
whismanoid 7:0367e520c682 99
whismanoid 6:0bfe0d990850 100 // CODE GENERATOR: example code: member function REF
whismanoid 6:0bfe0d990850 101 // CODE GENERATOR: example code: device has enumType 'MAX5715_REF_enum_t'
whismanoid 6:0bfe0d990850 102 // CODE GENERATOR: TypedefEnum_MAXxxxxx_REF_enum_t_NamesList: REF_EXT, REF_2V500, REF_2V048, REF_4V096, REF_AlwaysOn_EXT, REF_AlwaysOn_2V500, REF_AlwaysOn_2V048, REF_AlwaysOn_4V096
whismanoid 6:0bfe0d990850 103 g_MAX5715_device.REF(MAX5715::REF_AlwaysOn_2V500);
whismanoid 7:0367e520c682 104
whismanoid 6:0bfe0d990850 105 // CODE GENERATOR: example code: has no member function CODE_LOAD
whismanoid 6:0bfe0d990850 106 // CODE GENERATOR: example code: member function CODEallLOADall
whismanoid 6:0bfe0d990850 107 //uint16_t code = 4095;
whismanoid 6:0bfe0d990850 108 //g_MAX5715_device.CODEallLOADall(code);
whismanoid 7:0367e520c682 109
whismanoid 6:0bfe0d990850 110 // CODE GENERATOR: example code: member function CODEnLOADn
whismanoid 13:9fdbd02b6e46 111 uint16_t ch;
whismanoid 13:9fdbd02b6e46 112 uint16_t code;
whismanoid 6:0bfe0d990850 113 //
whismanoid 13:9fdbd02b6e46 114 ch = 0;
whismanoid 13:9fdbd02b6e46 115 code = 0x0ccc; // 80.0% 2.00V (REF=2.50V)
whismanoid 6:0bfe0d990850 116 g_MAX5715_device.CODEnLOADn(ch, code);
whismanoid 6:0bfe0d990850 117 //
whismanoid 6:0bfe0d990850 118 ch = 1;
whismanoid 13:9fdbd02b6e46 119 code = 0x07ff; // 50.0% 1.25V (REF=2.50V)
whismanoid 6:0bfe0d990850 120 g_MAX5715_device.CODEnLOADn(ch, code);
whismanoid 6:0bfe0d990850 121 //
whismanoid 6:0bfe0d990850 122 ch = 2;
whismanoid 13:9fdbd02b6e46 123 code = 0x0666; // 40.0% 1.00V (REF=2.50V)
whismanoid 6:0bfe0d990850 124 g_MAX5715_device.CODEnLOADn(ch, code);
whismanoid 6:0bfe0d990850 125 //
whismanoid 6:0bfe0d990850 126 ch = 3;
whismanoid 13:9fdbd02b6e46 127 code = 0x0fff; // 100.0% 2.50V (REF=2.50V)
whismanoid 6:0bfe0d990850 128 g_MAX5715_device.CODEnLOADn(ch, code);
whismanoid 7:0367e520c682 129
whismanoid 6:0bfe0d990850 130 // CODE GENERATOR: example code: has no member function ScanManual
whismanoid 6:0bfe0d990850 131 // CODE GENERATOR: example code: has no member function ReadAINcode
whismanoid 6:0bfe0d990850 132 wait(3.0);
whismanoid 6:0bfe0d990850 133 }
whismanoid 0:cb3754747a08 134 }