Maxim Integrated MAX5719 20-bit, 0.05nV-sec DAC Test program running on MAX32625MBED.
Dependencies: FunctionGenerator MAX5719
FunctionGen_MAX5719.cpp
- Committer:
- whismanoid
- Date:
- 2021-01-03
- Revision:
- 27:56e5a3ca9207
- Parent:
- 26:b89783422715
File content as of revision 27:56e5a3ca9207:
// /******************************************************************************* // * Copyright (C) 2021 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 // - Please note the last supported version is Mbed OS 6.3. // - 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://developer.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 // - #include "max32625pico.h" // - add https://os.mbed.com/users/switches/code/max32625pico/ // - remove max32630fthr library (if present) // - remove MAX32620FTHR library (if present) // - not tested yet // - see https://os.mbed.com/users/switches/code/max32625pico/ // - see https://os.mbed.com/users/switches/code/PICO_board_demo/ // - see https://os.mbed.com/users/switches/code/PICO_USB_I2C_SPI/ // - see https://os.mbed.com/users/switches/code/SerialInterface/ // - Note: To load the MAX32625PICO firmware, hold the button while // connecting the USB cable, then copy firmware bin file // to the MAINTENANCE drive. // - see https://os.mbed.com/platforms/MAX32625PICO/ // - see https://os.mbed.com/teams/MaximIntegrated/wiki/MAX32625PICO-Firmware-Updates // // end Platform_Include_Boilerplate #include "MAX5719.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 #elif defined(TARGET_MAX32625PICO) #warning "TARGET_MAX32625PICO not previously tested; need to define pins..." #define A0 AIN_1 #define A1 AIN_2 // #define A2 AIN_3 // #define A3 AIN_0 #define D0 P0_0 #define D1 P0_1 #define D2 P0_2 #define D3 P0_3 #define D4 P1_7 #define D5 P1_6 #define D6 P4_4 #define D7 P4_5 #define D8 P4_6 #define D9 P4_7 #define D10 P0_7 #define D11 P0_6 #define D12 P0_5 #define D13 P0_4 #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_MAX32625PICO) #warning "TARGET_MAX32625PICO not previously tested; need to define pins..." SPI spi(SPI0_MOSI, SPI0_MISO, SPI0_SCK); // mosi, miso, sclk spi1 TARGET_MAX32625PICO: pin P0_5 P0_6 P0_4 DigitalOut spi_cs(SPI0_SS); // TARGET_MAX32625PICO: pin P0_7 #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 RFB_pin(Px_x_PortName_To_Be_Determined); // Analog Input to MAX5719 device // AnalogOut INV_pin(Px_x_PortName_To_Be_Determined); // Analog Input to MAX5719 device DigitalOut LDACb_pin(D9); // Digital Trigger Input to MAX5719 device // AnalogIn OUT_pin(A0); // Analog Output from MAX5719 device // example code declare device instance MAX5719 g_MAX5719_device(spi, spi_cs, LDACb_pin, MAX5719::MAX5719_IC); // FUTURE: Function Generator for DAC output -- declarations //-------------------------------------------------- // Function Generator for DAC output // #ifndef USE_FunctionGenerator #define USE_FunctionGenerator 1 #endif // USE_FunctionGenerator #if USE_FunctionGenerator //-------------------------------------------------- // Function Generator for DAC output // #include "FunctionGenerator.h" #endif // USE_FunctionGenerator #if USE_FunctionGenerator //-------------------------------------------------- // declare a Function Generator object // DACFunctionGenerator DACStepFunctionGenerator; #endif // USE_FunctionGenerator // example code main function int main() { // setup: put your setup code here, to run once g_MAX5719_device.Init(); // FUTURE: Function Generator for DAC output -- setup // CODE GENERATOR: ResolutionBits = 20 // CODE GENERATOR: FScode = 0xfffff #if USE_FunctionGenerator DACStepFunctionGenerator.Configure_Constant( /* uint32_t code */ 0x7ffff // 50.0% of full scale ); #if USE_FunctionGenerator_TriangleRampUpDown DACStepFunctionGenerator.Configure_TriangleRampUpDown( /* uint32_t code_limit_L */ 0x0000, // 0.0% of full scale /* uint32_t code_limit_H */ 0xfffff, // 100.0% of full scale /* int32_t increment */ 0x00001 ); #endif // USE_FunctionGenerator_TriangleRampUpDown #if USE_FunctionGenerator_RampUp DACStepFunctionGenerator.Configure_RampUp( /* uint32_t code_limit_L */ 0x0000, // 0.0% of full scale /* uint32_t code_limit_H */ 0xfffff, // 100.0% of full scale /* int32_t increment */ 0x00001 ); #endif // USE_FunctionGenerator_RampUp #if USE_FunctionGenerator_RampDown DACStepFunctionGenerator.Configure_RampDown( /* uint32_t code_limit_L */ 0x0000, // 0.0% of full scale /* uint32_t code_limit_H */ 0xfffff, // 100.0% of full scale /* int32_t increment */ 0x00001 ); #endif // USE_FunctionGeneratorRampDown #if USE_FunctionGenerator_Sine DACStepFunctionGenerator.Configure_Sine( /* uint32_t code_limit_L */ 0x0000, // 0.0% of full scale /* uint32_t code_limit_H */ 0xfffff, // 100.0% of full scale /* float num_samples_per_tone_cycle */ 128.0 ); #endif // USE_FunctionGenerator_Sine #if USE_FunctionGenerator_Table static uint32_t waveformTable[] = { 0xfffff, // 100.0% of full scale REF(4.096V) = 4.096V 0xe6665, // 90.0% of full scale REF(4.096V) = 3.686V 0xccccc, // 80.0% of full scale REF(4.096V) = 3.277V 0xb3332, // 70.0% of full scale REF(4.096V) = 2.867V 0x99999, // 60.0% of full scale REF(4.096V) = 2.458V 0x7ffff, // 50.0% of full scale REF(4.096V) = 2.048V 0x66666, // 40.0% of full scale REF(4.096V) = 1.638V 0x4cccc, // 30.0% of full scale REF(4.096V) = 1.229V 0x33333, // 20.0% of full scale REF(4.096V) = 0.819V 0x19999, // 10.0% of full scale REF(4.096V) = 0.410V 0x00000, // 0.0% of full scale REF(4.096V) = 0.000V }; DACStepFunctionGenerator.Configure_Table( /* uint32_t* table_data */ waveformTable, /* table_length */ 11 /* sizeof(waveformTable)/sizeof(uint32_t) */, /* increment */ 0x00001 ); #endif // USE_FunctionGenerator_Table #if USE_FunctionGenerator_Sine_Table #define sizeof_sineWaveformTable 256 static uint32_t sineWaveformTable[sizeof_sineWaveformTable]; DACStepFunctionGenerator.Configure_Sine_Table( /* uint32_t* table_data_buffer */ sineWaveformTable, /* uint32_t table_length */ sizeof_sineWaveformTable, /* sizeof(sineWaveformTable)/sizeof(uint32_t) */ /* uint32_t code_limit_L */ 0x0000, // 0.0% of full scale /* uint32_t code_limit_H */ 0xfffff, // 100.0% of full scale /* float num_tone_cycles_in_table */ 11.0 ); #endif // USE_FunctionGenerator_Sine_Table #endif // USE_FunctionGenerator while (1) { // loop: put your main code here, to run repeatedly // FUTURE: Function Generator for DAC output -- loop #if USE_FunctionGenerator //~ uint32_t code = 0xfffff; // 100.0% of full scale REF(4.096V) = 4.096V //~ g_MAX5719_device.CODE_LOAD(code); //~ delay(1); // delay(unsigned long interval_msec) //~ g_MAX5719_device.CODE_LOAD(0); //~ delay(1); // delay(unsigned long interval_msec) // DACStepFunctionGenerator //~ g_MAX5719_device.CODE_LOAD(DACStepFunctionGenerator.code_limit_H); //~ delay(1); // delay(unsigned long interval_msec) //~ g_MAX5719_device.CODE_LOAD(DACStepFunctionGenerator.code_limit_L); //~ delay(1); // delay(unsigned long interval_msec) g_MAX5719_device.CODE_LOAD(DACStepFunctionGenerator.Next()); //~ delay(1); // delay(unsigned long interval_msec) #else // USE_FunctionGenerator uint32_t code; // // example #1 code = 0xfffff; // 100.0% of full scale REF(4.096V) = 4.096V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #2 code = 0xe6665; // 90.0% of full scale REF(4.096V) = 3.686V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #3 code = 0xccccc; // 80.0% of full scale REF(4.096V) = 3.277V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #4 code = 0xb3332; // 70.0% of full scale REF(4.096V) = 2.867V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #5 code = 0x99999; // 60.0% of full scale REF(4.096V) = 2.458V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #6 code = 0x7ffff; // 50.0% of full scale REF(4.096V) = 2.048V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #7 code = 0x66666; // 40.0% of full scale REF(4.096V) = 1.638V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #8 code = 0x4cccc; // 30.0% of full scale REF(4.096V) = 1.229V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #9 code = 0x33333; // 20.0% of full scale REF(4.096V) = 0.819V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #10 code = 0x19999; // 10.0% of full scale REF(4.096V) = 0.410V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #11 code = 0x0000; // 0.0% of full scale REF(4.096V) = 0.000V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #12 code = 0x0000; // 0.0% of full scale REF(4.096V) = 0.000V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #13 code = 0x19999; // 10.0% of full scale REF(4.096V) = 0.410V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #14 code = 0x33333; // 20.0% of full scale REF(4.096V) = 0.819V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #15 code = 0x4cccc; // 30.0% of full scale REF(4.096V) = 1.229V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #16 code = 0x66666; // 40.0% of full scale REF(4.096V) = 1.638V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #17 code = 0x7ffff; // 50.0% of full scale REF(4.096V) = 2.048V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #18 code = 0x99999; // 60.0% of full scale REF(4.096V) = 2.458V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #19 code = 0xb3332; // 70.0% of full scale REF(4.096V) = 2.867V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #20 code = 0xccccc; // 80.0% of full scale REF(4.096V) = 3.277V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #21 code = 0xe6665; // 90.0% of full scale REF(4.096V) = 3.686V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // // example #22 code = 0xfffff; // 100.0% of full scale REF(4.096V) = 4.096V g_MAX5719_device.CODE_LOAD(code); wait_ms(3000); // wait_ms(unsigned long interval_msec) // wait(3.0); // FUTURE: Function Generator for DAC output -- loop end #endif // USE_FunctionGenerator } }