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This commit is contained in:
Tristan Krause 2019-04-01 15:16:47 +02:00
parent 949591a50d
commit b6d0b4c8f5
29 changed files with 0 additions and 0 deletions
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30
firmware/mcp23s17.h Normal file
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#ifndef MCP23S17_H
#define MCP23S17_H
#include "spi.h"
constexpr uint8_t MCP23S17_DIRA = 0x00;
constexpr uint8_t MCP23S17_DIRB = 0x01;
constexpr uint8_t MCP23S17_PORTA = 0x12;
constexpr uint8_t MCP23S17_PORTB = 0x13;
constexpr uint8_t MCP23S17_READ = 0x01;
constexpr uint8_t MCP23S17_WRITE = 0x00;
constexpr uint8_t MCP23S17_OPCODE = 0x40;
class MCP23S17
{
public:
MCP23S17(SPI&, uint8_t);
void setDirA(uint8_t dir) const;
void setDirB(uint8_t dir) const;
void writePortA(uint8_t) const;
void writePortB(uint8_t) const;
uint8_t readPortA(void) const;
uint8_t readPortB(void) const;
private:
SPI& spi;
const uint8_t adr;
};
#endif // MCP23S17_H