Driver, C++ code, and library for the MAX5487, MAX5488, MAX5489. dual channel, SPI bus, 256-tap digital potentiometer. Non-volatile memory (EEPROM) is available for returning the wipers to their previously stored positions upon power-up.
Dependents: MAX5487_Digital_Potentiometer_Resistor_MAX32630FTHR_Host
MAX5487.cpp
- Committer:
- jungkeviny
- Date:
- 2018-07-15
- Revision:
- 3:4d4053c4c29e
- Parent:
- 1:bc368afe2ec8
File content as of revision 3:4d4053c4c29e:
#include "MAX5487.h" MAX5487::MAX5487(SPI &spi, DigitalOut &pin) : m_spi(spi), m_pin(pin) { m_pin = 1; } void MAX5487::writeCommand(MAX5487::setting_t setting, int value) { if((value >> 8) > 0) { printf("value in writeCommand > 8 bits!\r\n"); return; } m_pin = 0; m_spi.write(setting); m_spi.write(value); m_pin = 1; } void MAX5487::writeCommand(MAX5487::setting_t setting) { m_pin = 0; m_spi.write(setting); m_pin = 1; }