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-rwxr-xr-xkeyboards/meira/TWIlib.h71
1 files changed, 0 insertions, 71 deletions
diff --git a/keyboards/meira/TWIlib.h b/keyboards/meira/TWIlib.h
deleted file mode 100755
index 8ba261c6e5..0000000000
--- a/keyboards/meira/TWIlib.h
+++ /dev/null
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-/*
- * TWIlib.h
- *
- * Created: 6/01/2014 10:38:42 PM
- * Author: Chris Herring
- */
-
-
-#ifndef TWILIB_H_
-#define TWILIB_H_
-// TWI bit rate
-#define TWI_FREQ 400000
-// Get TWI status
-#define TWI_STATUS (TWSR & 0xF8)
-// Transmit buffer length
-#define TXMAXBUFLEN 20
-// Receive buffer length
-#define RXMAXBUFLEN 20
-
-typedef enum {
- Ready,
- Initializing,
- RepeatedStartSent,
- MasterTransmitter,
- MasterReceiver,
- SlaceTransmitter,
- SlaveReciever
- } TWIMode;
-
- typedef struct TWIInfoStruct{
- TWIMode mode;
- uint8_t errorCode;
- uint8_t repStart;
- }TWIInfoStruct;
-
-extern TWIInfoStruct TWIInfo;
-
-// TWI Status Codes
-#define TWI_START_SENT 0x08 // Start sent
-#define TWI_REP_START_SENT 0x10 // Repeated Start sent
-// Master Transmitter Mode
-#define TWI_MT_SLAW_ACK 0x18 // SLA+W sent and ACK received
-#define TWI_MT_SLAW_NACK 0x20 // SLA+W sent and NACK received
-#define TWI_MT_DATA_ACK 0x28 // DATA sent and ACK received
-#define TWI_MT_DATA_NACK 0x30 // DATA sent and NACK received
-// Master Receiver Mode
-#define TWI_MR_SLAR_ACK 0x40 // SLA+R sent, ACK received
-#define TWI_MR_SLAR_NACK 0x48 // SLA+R sent, NACK received
-#define TWI_MR_DATA_ACK 0x50 // Data received, ACK returned
-#define TWI_MR_DATA_NACK 0x58 // Data received, NACK returned
-
-// Miscellaneous States
-#define TWI_LOST_ARBIT 0x38 // Arbitration has been lost
-#define TWI_NO_RELEVANT_INFO 0xF8 // No relevant information available
-#define TWI_ILLEGAL_START_STOP 0x00 // Illegal START or STOP condition has been detected
-#define TWI_SUCCESS 0xFF // Successful transfer, this state is impossible from TWSR as bit2 is 0 and read only
-
-
-#define TWISendStart() (TWCR = (1<<TWINT)|(1<<TWSTA)|(1<<TWEN)|(1<<TWIE)) // Send the START signal, enable interrupts and TWI, clear TWINT flag to resume transfer.
-#define TWISendStop() (TWCR = (1<<TWINT)|(1<<TWSTO)|(1<<TWEN)|(1<<TWIE)) // Send the STOP signal, enable interrupts and TWI, clear TWINT flag.
-#define TWISendTransmit() (TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWIE)) // Used to resume a transfer, clear TWINT and ensure that TWI and interrupts are enabled.
-#define TWISendACK() (TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWIE)|(1<<TWEA)) // FOR MR mode. Resume a transfer, ensure that TWI and interrupts are enabled and respond with an ACK if the device is addressed as a slave or after it receives a byte.
-#define TWISendNACK() (TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWIE)) // FOR MR mode. Resume a transfer, ensure that TWI and interrupts are enabled but DO NOT respond with an ACK if the device is addressed as a slave or after it receives a byte.
-
-// Function declarations
-void TWITransmitData(void *const TXdata, uint8_t dataLen, uint8_t repStart, uint8_t blocking);
-void TWIInit(void);
-uint8_t TWIReadData(uint8_t TWIaddr, uint8_t bytesToRead, uint8_t repStart);
-uint8_t isTWIReady(void);
-
-#endif // TWICOMMS_H_ \ No newline at end of file