diff options
Diffstat (limited to 'include/at91rm9200_i2c.h')
| -rw-r--r-- | include/at91rm9200_i2c.h | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/include/at91rm9200_i2c.h b/include/at91rm9200_i2c.h index cb13d9d4d..c2ec2f18e 100644 --- a/include/at91rm9200_i2c.h +++ b/include/at91rm9200_i2c.h @@ -1,90 +1,90 @@ -// ---------------------------------------------------------------------------- -// ATMEL Microcontroller Software Support - ROUSSET - -// ---------------------------------------------------------------------------- -// The software is delivered "AS IS" without warranty or condition of any -// kind, either express, implied or statutory. This includes without -// limitation any warranty or condition with respect to merchantability or -// fitness for any particular purpose, or against the infringements of -// intellectual property rights of others. -// ---------------------------------------------------------------------------- -// File Name : at91rm9200_i2c.h -// Object : AT91RM9200 / TWI definitions -// Generated : AT91 SW Application Group 12/03/2002 (10:48:02) -// -// ---------------------------------------------------------------------------- +/* ---------------------------------------------------------------------------- */ +/* ATMEL Microcontroller Software Support - ROUSSET - */ +/* ---------------------------------------------------------------------------- */ +/* The software is delivered "AS IS" without warranty or condition of any */ +/* kind, either express, implied or statutory. This includes without */ +/* limitation any warranty or condition with respect to merchantability or */ +/* fitness for any particular purpose, or against the infringements of */ +/* intellectual property rights of others. */ +/* ---------------------------------------------------------------------------- */ +/* File Name : at91rm9200_i2c.h */ +/* Object : AT91RM9200 / TWI definitions */ +/* Generated : AT91 SW Application Group 12/03/2002 (10:48:02) */ +/* */ +/* ---------------------------------------------------------------------------- */ #ifndef AT91RM9200_TWI_H #define AT91RM9200_TWI_H -// ***************************************************************************** -// SOFTWARE API DEFINITION FOR Two-wire Interface -// ***************************************************************************** +/* ******************************************************************************/ +/* SOFTWARE API DEFINITION FOR Two-wire Interface */ +/* ******************************************************************************/ #ifndef __ASSEMBLY__ typedef struct _AT91S_TWI { - AT91_REG TWI_CR; // Control Register - AT91_REG TWI_MMR; // Master Mode Register - AT91_REG TWI_SMR; // Slave Mode Register - AT91_REG TWI_IADR; // Internal Address Register - AT91_REG TWI_CWGR; // Clock Waveform Generator Register - AT91_REG Reserved0[3]; // - AT91_REG TWI_SR; // Status Register - AT91_REG TWI_IER; // Interrupt Enable Register - AT91_REG TWI_IDR; // Interrupt Disable Register - AT91_REG TWI_IMR; // Interrupt Mask Register - AT91_REG TWI_RHR; // Receive Holding Register - AT91_REG TWI_THR; // Transmit Holding Register - AT91_REG Reserved1[50]; // - AT91_REG TWI_RPR; // Receive Pointer Register - AT91_REG TWI_RCR; // Receive Counter Register - AT91_REG TWI_TPR; // Transmit Pointer Register - AT91_REG TWI_TCR; // Transmit Counter Register - AT91_REG TWI_RNPR; // Receive Next Pointer Register - AT91_REG TWI_RNCR; // Receive Next Counter Register - AT91_REG TWI_TNPR; // Transmit Next Pointer Register - AT91_REG TWI_TNCR; // Transmit Next Counter Register - AT91_REG TWI_PTCR; // PDC Transfer Control Register - AT91_REG TWI_PTSR; // PDC Transfer Status Register + AT91_REG TWI_CR; /* Control Register */ + AT91_REG TWI_MMR; /* Master Mode Register */ + AT91_REG TWI_SMR; /* Slave Mode Register */ + AT91_REG TWI_IADR; /* Internal Address Register */ + AT91_REG TWI_CWGR; /* Clock Waveform Generator Register */ + AT91_REG Reserved0[3]; + AT91_REG TWI_SR; /* Status Register */ + AT91_REG TWI_IER; /* Interrupt Enable Register */ + AT91_REG TWI_IDR; /* Interrupt Disable Register */ + AT91_REG TWI_IMR; /* Interrupt Mask Register */ + AT91_REG TWI_RHR; /* Receive Holding Register */ + AT91_REG TWI_THR; /* Transmit Holding Register */ + AT91_REG Reserved1[50]; + AT91_REG TWI_RPR; /* Receive Pointer Register */ + AT91_REG TWI_RCR; /* Receive Counter Register */ + AT91_REG TWI_TPR; /* Transmit Pointer Register */ + AT91_REG TWI_TCR; /* Transmit Counter Register */ + AT91_REG TWI_RNPR; /* Receive Next Pointer Register */ + AT91_REG TWI_RNCR; /* Receive Next Counter Register */ + AT91_REG TWI_TNPR; /* Transmit Next Pointer Register */ + AT91_REG TWI_TNCR; /* Transmit Next Counter Register */ + AT91_REG TWI_PTCR; /* PDC Transfer Control Register */ + AT91_REG TWI_PTSR; /* PDC Transfer Status Register */ } AT91S_TWI, *AT91PS_TWI; #endif -// -------- TWI_CR : (TWI Offset: 0x0) TWI Control Register -------- -#define AT91C_TWI_START ( 0x1 << 0) // (TWI) Send a START Condition -#define AT91C_TWI_STOP ( 0x1 << 1) // (TWI) Send a STOP Condition -#define AT91C_TWI_MSEN ( 0x1 << 2) // (TWI) TWI Master Transfer Enabled -#define AT91C_TWI_MSDIS ( 0x1 << 3) // (TWI) TWI Master Transfer Disabled -#define AT91C_TWI_SVEN ( 0x1 << 4) // (TWI) TWI Slave Transfer Enabled -#define AT91C_TWI_SVDIS ( 0x1 << 5) // (TWI) TWI Slave Transfer Disabled -#define AT91C_TWI_SWRST ( 0x1 << 7) // (TWI) Software Reset -// -------- TWI_MMR : (TWI Offset: 0x4) TWI Master Mode Register -------- -#define AT91C_TWI_IADRSZ ( 0x3 << 8) // (TWI) Internal Device Address Size -#define AT91C_TWI_IADRSZ_NO ( 0x0 << 8) // (TWI) No internal device address -#define AT91C_TWI_IADRSZ_1_BYTE ( 0x1 << 8) // (TWI) One-byte internal device address -#define AT91C_TWI_IADRSZ_2_BYTE ( 0x2 << 8) // (TWI) Two-byte internal device address -#define AT91C_TWI_IADRSZ_3_BYTE ( 0x3 << 8) // (TWI) Three-byte internal device address -#define AT91C_TWI_MREAD ( 0x1 << 12) // (TWI) Master Read Direction -#define AT91C_TWI_DADR ( 0x7F << 6) // (TWI) Device Address -// -------- TWI_SMR : (TWI Offset: 0x8) TWI Slave Mode Register -------- -#define AT91C_TWI_SADR ( 0x7F << 16) // (TWI) Slave Device Address -// -------- TWI_CWGR : (TWI Offset: 0x10) TWI Clock Waveform Generator Register -------- -#define AT91C_TWI_CLDIV ( 0xFF << 0) // (TWI) Clock Low Divider -#define AT91C_TWI_CHDIV ( 0xFF << 8) // (TWI) Clock High Divider -#define AT91C_TWI_CKDIV ( 0x7 << 16) // (TWI) Clock Divider -// -------- TWI_SR : (TWI Offset: 0x20) TWI Status Register -------- -#define AT91C_TWI_TXCOMP ( 0x1 << 0) // (TWI) Transmission Completed -#define AT91C_TWI_RXRDY ( 0x1 << 1) // (TWI) Receive holding register ReaDY -#define AT91C_TWI_TXRDY ( 0x1 << 2) // (TWI) Transmit holding register ReaDY -#define AT91C_TWI_SVREAD ( 0x1 << 3) // (TWI) Slave Read -#define AT91C_TWI_SVACC ( 0x1 << 4) // (TWI) Slave Access -#define AT91C_TWI_GCACC ( 0x1 << 5) // (TWI) General Call Access -#define AT91C_TWI_OVRE ( 0x1 << 6) // (TWI) Overrun Error -#define AT91C_TWI_UNRE ( 0x1 << 7) // (TWI) Underrun Error -#define AT91C_TWI_NACK ( 0x1 << 8) // (TWI) Not Acknowledged -#define AT91C_TWI_ARBLST ( 0x1 << 9) // (TWI) Arbitration Lost -// -------- TWI_IER : (TWI Offset: 0x24) TWI Interrupt Enable Register -------- -// -------- TWI_IDR : (TWI Offset: 0x28) TWI Interrupt Disable Register -------- -// -------- TWI_IMR : (TWI Offset: 0x2c) TWI Interrupt Mask Register -------- +/* -------- TWI_CR : (TWI Offset: 0x0) TWI Control Register -------- */ +#define AT91C_TWI_START (0x1 << 0) /* (TWI) Send a START Condition */ +#define AT91C_TWI_STOP (0x1 << 1) /* (TWI) Send a STOP Condition */ +#define AT91C_TWI_MSEN (0x1 << 2) /* (TWI) TWI Master Transfer Enabled */ +#define AT91C_TWI_MSDIS (0x1 << 3) /* (TWI) TWI Master Transfer Disabled */ +#define AT91C_TWI_SVEN (0x1 << 4) /* (TWI) TWI Slave Transfer Enabled */ +#define AT91C_TWI_SVDIS (0x1 << 5) /* (TWI) TWI Slave Transfer Disabled */ +#define AT91C_TWI_SWRST (0x1 << 7) /* (TWI) Software Reset */ +/* -------- TWI_MMR : (TWI Offset: 0x4) TWI Master Mode Register -------- */ +#define AT91C_TWI_IADRSZ (0x3 << 8) /* (TWI) Internal Device Address Size */ +#define AT91C_TWI_IADRSZ_NO (0x0 << 8) /* (TWI) No internal device address */ +#define AT91C_TWI_IADRSZ_1_BYTE (0x1 << 8) /* (TWI) One-byte internal device address */ +#define AT91C_TWI_IADRSZ_2_BYTE (0x2 << 8) /* (TWI) Two-byte internal device address */ +#define AT91C_TWI_IADRSZ_3_BYTE (0x3 << 8) /* (TWI) Three-byte internal device address */ +#define AT91C_TWI_MREAD (0x1 << 12) /* (TWI) Master Read Direction */ +#define AT91C_TWI_DADR (0x7F << 6) /* (TWI) Device Address */ +/* -------- TWI_SMR : (TWI Offset: 0x8) TWI Slave Mode Register -------- */ +#define AT91C_TWI_SADR (0x7F << 16) /* (TWI) Slave Device Address */ +/* -------- TWI_CWGR : (TWI Offset: 0x10) TWI Clock Waveform Generator Register -------- */ +#define AT91C_TWI_CLDIV (0xFF << 0) /* (TWI) Clock Low Divider */ +#define AT91C_TWI_CHDIV (0xFF << 8) /* (TWI) Clock High Divider */ +#define AT91C_TWI_CKDIV (0x7 << 16) /* (TWI) Clock Divider */ +/* -------- TWI_SR : (TWI Offset: 0x20) TWI Status Register -------- */ +#define AT91C_TWI_TXCOMP (0x1 << 0) /* (TWI) Transmission Completed */ +#define AT91C_TWI_RXRDY (0x1 << 1) /* (TWI) Receive holding register ReaDY */ +#define AT91C_TWI_TXRDY (0x1 << 2) /* (TWI) Transmit holding register ReaDY*/ +#define AT91C_TWI_SVREAD (0x1 << 3) /* (TWI) Slave Read */ +#define AT91C_TWI_SVACC (0x1 << 4) /* (TWI) Slave Access */ +#define AT91C_TWI_GCACC (0x1 << 5) /* (TWI) General Call Access */ +#define AT91C_TWI_OVRE (0x1 << 6) /* (TWI) Overrun Error */ +#define AT91C_TWI_UNRE (0x1 << 7) /* (TWI) Underrun Error */ +#define AT91C_TWI_NACK (0x1 << 8) /* (TWI) Not Acknowledged */ +#define AT91C_TWI_ARBLST (0x1 << 9) /* (TWI) Arbitration Lost */ +/* -------- TWI_IER : (TWI Offset: 0x24) TWI Interrupt Enable Register -------- */ +/* -------- TWI_IDR : (TWI Offset: 0x28) TWI Interrupt Disable Register ------- */ +/* -------- TWI_IMR : (TWI Offset: 0x2c) TWI Interrupt Mask Register -------- */ /* i2c Support for Atmel's AT91RM9200 Two-Wire Interface @@ -120,7 +120,7 @@ typedef struct _AT91S_TWI { #endif #define AT91C_TWI_CLDIV3 ((AT91C_TWI_CLDIV2 + (4 - AT91C_TWI_CLDIV2 % 4)) >> 2) -#define AT91C_EEPROM_I2C_ADDRESS (0x50 << 16) +#define AT91C_EEPROM_I2C_ADDRESS (0x50 << 16) -#endif -#endif +#endif /* __ASSEMBLY__ */ +#endif /* AT91RM9200_TWI_H */ |