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143 lines
7.0 KiB
143 lines
7.0 KiB
#ifndef LIBMFUART0_H
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#define LIBMFUART0_H
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#include "libmftypes.h"
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/*
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* UART 0
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*/
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#if defined SDCC
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#define UART0_DEFINE_RXBUFFER(sz) \
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static void uart0_define_rxbuffer(void) __naked \
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{ \
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__asm \
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.area XSEG (XDATA) \
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.globl _uart0_rxbuffer \
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_uart0_rxbuffer: \
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.ds sz \
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\
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.area HOME (CODE) \
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.area UART0S0 (CODE) \
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.area UART0S1 (CODE) \
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.area UART0S2 (CODE) \
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.area UART0S3 (CODE) \
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.area UART0S4 (CODE) \
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.area UART0S5 (CODE) \
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\
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.area UART0S2 (CODE) \
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.db 256-sz \
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.db 257-sz \
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\
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.area UART0S5 (CODE) \
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.db sz \
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\
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.area CSEG (CODE) \
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__endasm; \
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}
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#define UART0_DEFINE_TXBUFFER(sz) \
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static void uart0_define_txbuffer(void) __naked \
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{ \
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__asm \
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.area XSEG (XDATA) \
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.globl _uart0_txbuffer \
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_uart0_txbuffer: \
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.ds sz \
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\
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.area HOME (CODE) \
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.area UART0S0 (CODE) \
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.area UART0S1 (CODE) \
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.area UART0S2 (CODE) \
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.area UART0S3 (CODE) \
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.area UART0S4 (CODE) \
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.area UART0S5 (CODE) \
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\
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.area UART0S1 (CODE) \
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.db 256-sz \
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.db 257-sz \
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\
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.area UART0S4 (CODE) \
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.db sz \
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\
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.area CSEG (CODE) \
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__endasm; \
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}
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#elif defined __CX51__ || defined __C51__
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#define UART0_DEFINE_RXBUFFER(sz) \
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uint8_t __xdata uart0_rxbuffer[sz]; \
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const uint8_t __code uart0_rxbuffer_size[] = { sz, 256-(sz), 257-(sz) };
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#define UART0_DEFINE_TXBUFFER(sz) \
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uint8_t __xdata uart0_txbuffer[sz]; \
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const uint8_t __code uart0_txbuffer_size[] = { sz, 256-(sz), 257-(sz) };
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#else
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#define UART0_DEFINE_RXBUFFER(sz) \
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uint8_t __xdata uart0_rxbuffer[sz]; \
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const uint8_t __code uart0_rxbuffer_size[] = { sz };
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#define UART0_DEFINE_TXBUFFER(sz) \
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uint8_t __xdata uart0_txbuffer[sz]; \
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const uint8_t __code uart0_txbuffer_size[] = { sz };
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#endif
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#if defined SDCC
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#pragma callee_saves uart0_txbufptr,uart0_txfreelinear,uart0_rxbufptr,uart0_rxcountlinear
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#pragma callee_saves uart0_txfree,uart0_rxcount,uart0_wait_txfree,uart0_wait_rxcount
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#pragma callee_saves uart0_txbuffersize,uart0_rxbuffersize,uart0_rxpeek,uart0_txpoke,uart0_txpokehex
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#pragma callee_saves uart0_init,uart0_poll,uart0_wait_txfree,uart0_wait_rxcount,uart0_rx,uart0_tx
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extern __reentrantb void uart0_irq(void) __interrupt(11) __naked;
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#elif defined __CX51__ || defined __C51__
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#elif defined __ICC8051__
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#else
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#error "Compiler unsupported"
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#endif
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extern __reentrantb uint8_t uart0_poll(void) __reentrant __naked;
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extern __reentrantb uint8_t __xdata *uart0_txbufptr(uint8_t idx) __reentrant __naked;
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extern __reentrantb uint8_t uart0_txfreelinear(void) __reentrant __naked;
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extern __reentrantb uint8_t uart0_txidle(void) __reentrant __naked;
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extern __reentrantb uint8_t uart0_txfree(void) __reentrant __naked;
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extern __reentrantb const uint8_t __xdata *uart0_rxbufptr(uint8_t idx) __reentrant __naked;
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extern __reentrantb uint8_t uart0_rxcountlinear(void) __reentrant __naked;
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extern __reentrantb uint8_t uart0_rxcount(void) __reentrant __naked;
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extern __reentrantb uint8_t uart0_txbuffersize(void) __reentrant __naked;
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extern __reentrantb uint8_t uart0_rxbuffersize(void) __reentrant __naked;
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extern __reentrantb uint8_t uart0_rxpeek(uint8_t idx) __reentrant __naked;
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extern __reentrantb void uart0_txpoke(uint8_t idx, uint8_t ch) __reentrant __naked;
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extern __reentrantb void uart0_txpokehex(uint8_t idx, uint8_t ch) __reentrant __naked;
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extern __reentrantb void uart0_rxadvance(uint8_t idx) __reentrant __naked;
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extern __reentrantb void uart0_txadvance(uint8_t idx) __reentrant __naked;
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extern void uart0_init(uint8_t timernr, uint8_t wl, uint8_t stop);
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extern void uart0_stop(void);
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extern __reentrantb void uart0_wait_txdone(void) __reentrant;
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extern __reentrantb void uart0_wait_txfree(uint8_t v) __reentrant;
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extern __reentrantb void uart0_wait_rxcount(uint8_t v) __reentrant;
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extern __reentrantb uint8_t uart0_rx(void) __reentrant;
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extern __reentrantb void uart0_tx(uint8_t v) __reentrant;
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extern __reentrantb void uart0_writestr(const char __generic *ch) __reentrant;
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extern __reentrantb uint8_t uart0_writenum16(uint16_t val, uint8_t nrdig, uint8_t flags) __reentrant;
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extern __reentrantb uint8_t uart0_writehex16(uint16_t val, uint8_t nrdig, uint8_t flags) __reentrant;
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#if defined(SDCC)
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extern __reentrantb uint8_t uart0_writenum32(uint32_t val, uint8_t nrdig, uint8_t flags) __reentrant;
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extern __reentrantb uint8_t uart0_writehex32(uint32_t val, uint8_t nrdig, uint8_t flags) __reentrant;
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#else
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extern uint8_t uart0_writenum32(uint32_t val, uint8_t nrdig, uint8_t flags);
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extern uint8_t uart0_writehex32(uint32_t val, uint8_t nrdig, uint8_t flags);
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#endif
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/* legacy */
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extern __reentrantb void uart0_writehexu16(uint16_t val, uint8_t nrdig) __reentrant;
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extern void uart0_writehexu32(uint32_t val, uint8_t nrdig);
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extern __reentrantb void uart0_writeu16(uint16_t val, uint8_t nrdig) __reentrant;
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extern void uart0_writeu32(uint32_t val, uint8_t nrdig);
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#endif /* LIBMFUART0_H */
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