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SPI macht interrupt

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This commit is contained in:
Tristan Krause 2019-04-03 11:38:15 +02:00
parent 266d90df56
commit fd2cb56ef3
11 changed files with 605 additions and 538 deletions
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27
firmware/spi.h
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@ -15,13 +15,13 @@
#define DMUX3 PD4
enum SPIADR {
AA0 = 0,
AA1 = 1,
BEBA0 = 2,
BEBA1 = 3,
EXT = 4,
AA0 = 0,
AA1 = 1,
BEBA0 = 2,
BEBA1 = 3,
EXT = 4,
SWITCH = 5,
NONE = 7,
NONE = 7,
};
class SPI
@ -29,9 +29,20 @@ class SPI
public:
SPI(void);
void init(void) const volatile;
void setAdr(uint8_t) const volatile;
uint8_t pushByte(uint8_t) const volatile;
void handleTransfer() volatile;
void transfer(uint8_t adr) volatile;
void addByte(uint8_t b) volatile;
void wait(void) volatile;
constexpr static uint8_t BUFFER_SIZE = 8;
volatile uint8_t buffer[BUFFER_SIZE];
private:
void setAdr(uint8_t) const volatile;
volatile uint8_t index = 0;
volatile uint8_t length = 0;
volatile bool active = false;
};
#endif // SPI_H