# Duart ## Definitions ### Duart #### vasm ```asm ``` #### gcc ```c /* Duart Register Base Addresses */ #define duart_base ((volatile uint8_t*) 0xad0001) #define duart_mr1a ((volatile uint8_t*) duart_base) #define duart_mr2a ((volatile uint8_t*) duart_base) #define duart_sra ((volatile uint8_t*) duart_base+2) #define duart_csra ((volatile uint8_t*) duart_base+2) #define duart_cra ((volatile uint8_t*) duart_base+4) #define duart_rba ((volatile uint8_t*) duart_base+6) #define duart_tba ((volatile uint8_t*) duart_base+6) #define duart_ipcr ((volatile uint8_t*) duart_base+8) #define duart_acr ((volatile uint8_t*) duart_base+8) #define duart_isr ((volatile uint8_t*) duart_base+10) #define duart_imr ((volatile uint8_t*) duart_base+10) #define duart_cur ((volatile uint8_t*) duart_base+12) #define duart_ctur ((volatile uint8_t*) duart_base+12) #define duart_clr ((volatile uint8_t*) duart_base+14) #define duart_ctlr ((volatile uint8_t*) duart_base+14) #define duart_mr1b ((volatile uint8_t*) duart_base+16) #define duart_mr2b ((volatile uint8_t*) duart_base+16) #define duart_srb ((volatile uint8_t*) duart_base+18) #define duart_csrb ((volatile uint8_t*) duart_base+18) #define duart_crb ((volatile uint8_t*) duart_base+20) #define duart_rbb ((volatile uint8_t*) duart_base+22) #define duart_tbb ((volatile uint8_t*) duart_base+22) #define duart_ivr ((volatile uint8_t*) duart_base+24) #define duart_opcr ((volatile uint8_t*) duart_base+26) #define duart_start_counter ((volatile uint8_t*) duart_base+28) #define duart_opr_set ((volatile uint8_t*) duart_base+28) #define duart_stop_counter ((volatile uint8_t*) duart_base+30) #define duart_opr_reset ((volatile uint8_t*) duart_base+30) /* Status Register A and B */ #define SR_RXRDY 0x01 #define SR_RX_READY 0x01 #define SR_TXRDY 0x04 #define SR_TX_READY 0x04 #define SR_TX_EMPTY 0x08 /* Command Register A and B */ #define CR_NOP 0x00 #define CR_RESET_MR_PTR 0x10 #define CR_RESET_RX 0x20 #define CR_RESET_TX 0x30 #define CR_RESET_ERROR 0x40 #define CR_RESET_BREAK 0x50 #define CR_START_BREAK 0x60 #define CR_STOP_BREAK 0x70 #define CR_SET_EXT_RX 0x80 #define CR_CLEAR_EXT_RX 0x90 #define CR_SET_EXT_TX 0xa0 #define CR_CLEAR_EXT_TX 0xb0 #define CR_STANDBY_MODE 0xc0 #define CR_ACTIVE_MODE 0xd0 #define CR_ENABLE_TX 0x04 #define CR_DISABLE_TX 0x08 #define CR_ENABLE_RX 0x01 #define CR_DISABLE_RX 0x02 /* Interrupt Status Register */ #define GLOBAL_ISR_TXRDY_A 0x01 #define GLOBAL_ISR_RXRDY_A 0x02 #define GLOBAL_ISR_TXRDY_B 0x10 #define GLOBAL_ISR_RXRDY_B 0x20 #define ISR_TX_READY 0x01 #define ISR_RX_READY 0x02 ```