Mercurial > flash_v2
diff packages/hal/sh/sh3/current/src/sh3_sci.c @ 208:e0c0827131d1 ecos
Merge from eCos master repository on 2002-05-20-20:11:54-BST
| author | jlarmour |
|---|---|
| date | Mon, 20 May 2002 22:19:26 +0000 |
| parents | 9160a8005d76 |
| children | d2c90368aeef |
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--- a/packages/hal/sh/sh3/current/src/sh3_sci.c +++ b/packages/hal/sh/sh3/current/src/sh3_sci.c @@ -5,29 +5,38 @@ // Simple driver for the SH Serial Communication Interface (SCI) // //============================================================================= -//####COPYRIGHTBEGIN#### -// -// ------------------------------------------- -// The contents of this file are subject to the Red Hat eCos Public License -// Version 1.1 (the "License"); you may not use this file except in -// compliance with the License. You may obtain a copy of the License at -// http://www.redhat.com/ -// -// Software distributed under the License is distributed on an "AS IS" -// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the -// License for the specific language governing rights and limitations under -// the License. -// -// The Original Code is eCos - Embedded Configurable Operating System, -// released September 30, 1998. -// -// The Initial Developer of the Original Code is Red Hat. -// Portions created by Red Hat are -// Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc. -// All Rights Reserved. -// ------------------------------------------- -// -//####COPYRIGHTEND#### +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// +// eCos is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation; either version 2 or (at your option) any later version. +// +// eCos is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// for more details. +// +// You should have received a copy of the GNU General Public License along +// with eCos; if not, write to the Free Software Foundation, Inc., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +// +// As a special exception, if other files instantiate templates or use macros +// or inline functions from this file, or you compile this file and link it +// with other works to produce a work based on this file, this file does not +// by itself cause the resulting work to be covered by the GNU General Public +// License. However the source code for this file must still be made available +// in accordance with section (3) of the GNU General Public License. +// +// This exception does not invalidate any other reasons why a work based on +// this file might be covered by the GNU General Public License. +// +// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. +// at http://sources.redhat.com/ecos/ecos-license +// ------------------------------------------- +//####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // @@ -67,14 +76,14 @@ cyg_hal_plf_sci_init_channel(const chann // Disable Tx/Rx interrupts, but enable Tx/Rx HAL_WRITE_UINT8(base+_REG_SCSCR, - CYGARC_REG_SCSCR_TE|CYGARC_REG_SCSCR_RE); + CYGARC_REG_SCI_SCSCR_TE|CYGARC_REG_SCI_SCSCR_RE); // 8-1-no parity. HAL_WRITE_UINT8(base+_REG_SCSMR, 0); // Set speed to CYGNUM_HAL_SH_SH3_SCI_DEFAULT_BAUD_RATE HAL_READ_UINT8(base+_REG_SCSMR, tmp); - tmp &= ~CYGARC_REG_SCSMR_CKSx_MASK; + tmp &= ~CYGARC_REG_SCI_SCSMR_CKSx_MASK; tmp |= CYGARC_SCBRR_CKSx(CYGNUM_HAL_SH_SH3_SCI_BAUD_RATE); HAL_WRITE_UINT8(base+_REG_SCSMR, tmp); HAL_WRITE_UINT8(base+_REG_SCBRR, CYGARC_SCBRR_N(CYGNUM_HAL_SH_SH3_SCI_BAUD_RATE)); @@ -87,20 +96,20 @@ cyg_hal_plf_sci_getc_nonblock(void* __ch cyg_uint8 sr; HAL_READ_UINT8(base+_REG_SCSSR, sr); - if (sr & CYGARC_REG_SCSSR_ORER) { + if (sr & CYGARC_REG_SCI_SCSSR_ORER) { // Serial RX overrun. Clear error and let caller try again. HAL_WRITE_UINT8(base+_REG_SCSSR, - CYGARC_REG_SCSSR_CLEARMASK & ~CYGARC_REG_SCSSR_ORER); + CYGARC_REG_SCI_SCSSR_CLEARMASK & ~CYGARC_REG_SCI_SCSSR_ORER); return false; } - if ((sr & CYGARC_REG_SCSSR_RDRF) == 0) + if ((sr & CYGARC_REG_SCI_SCSSR_RDRF) == 0) return false; HAL_READ_UINT8(base+_REG_SCRDR, *ch); // Clear buffer full flag. - HAL_WRITE_UINT8(base+_REG_SCSSR, sr & ~CYGARC_REG_SCSSR_RDRF); + HAL_WRITE_UINT8(base+_REG_SCSSR, sr & ~CYGARC_REG_SCI_SCSSR_RDRF); return true; } @@ -126,17 +135,17 @@ cyg_hal_plf_sci_putc(void* __ch_data, cy do { HAL_READ_UINT8(base+_REG_SCSSR, sr); - } while ((sr & CYGARC_REG_SCSSR_TDRE) == 0); + } while ((sr & CYGARC_REG_SCI_SCSSR_TDRE) == 0); HAL_WRITE_UINT8(base+_REG_SCTDR, c); // Clear empty flag. - HAL_WRITE_UINT8(base+_REG_SCSSR, sr & ~CYGARC_REG_SCSSR_TDRE); + HAL_WRITE_UINT8(base+_REG_SCSSR, sr & ~CYGARC_REG_SCI_SCSSR_TDRE); // Hang around until the character has been safely sent. do { HAL_READ_UINT8(base+_REG_SCSSR, sr); - } while ((sr & CYGARC_REG_SCSSR_TDRE) == 0); + } while ((sr & CYGARC_REG_SCI_SCSSR_TDRE) == 0); CYGARC_HAL_RESTORE_GP(); } @@ -203,7 +212,7 @@ cyg_hal_plf_sci_control(void *__ch_data, irq_state = 1; HAL_INTERRUPT_UNMASK(chan->isr_vector); HAL_READ_UINT8(chan->base+_REG_SCSCR, scr); - scr |= CYGARC_REG_SCSCR_RIE; + scr |= CYGARC_REG_SCI_SCSCR_RIE; HAL_WRITE_UINT8(chan->base+_REG_SCSCR, scr); break; case __COMMCTL_IRQ_DISABLE: @@ -211,7 +220,7 @@ cyg_hal_plf_sci_control(void *__ch_data, irq_state = 0; HAL_INTERRUPT_UNMASK(chan->isr_vector); HAL_READ_UINT8(chan->base+_REG_SCSCR, scr); - scr &= ~CYGARC_REG_SCSCR_RIE; + scr &= ~CYGARC_REG_SCI_SCSCR_RIE; HAL_WRITE_UINT8(chan->base+_REG_SCSCR, scr); break; case __COMMCTL_DBG_ISR_VECTOR: @@ -246,18 +255,18 @@ cyg_hal_plf_sci_isr(void *__ch_data, int *__ctrlc = 0; HAL_READ_UINT8(base+_REG_SCSSR, sr); - if (sr & CYGARC_REG_SCSSR_ORER) { + if (sr & CYGARC_REG_SCI_SCSSR_ORER) { // Serial RX overrun. Clear error and hope protocol recovers. HAL_WRITE_UINT8(base+_REG_SCSSR, - CYGARC_REG_SCSSR_CLEARMASK & ~CYGARC_REG_SCSSR_ORER); + CYGARC_REG_SCI_SCSSR_CLEARMASK & ~CYGARC_REG_SCI_SCSSR_ORER); res = CYG_ISR_HANDLED; - } else if (sr & CYGARC_REG_SCSSR_RDRF) { + } else if (sr & CYGARC_REG_SCI_SCSSR_RDRF) { // Received character HAL_READ_UINT8(base+_REG_SCRDR, c); // Clear buffer full flag. HAL_WRITE_UINT8(base+_REG_SCSSR, - CYGARC_REG_SCSSR_CLEARMASK & ~CYGARC_REG_SCSSR_RDRF); + CYGARC_REG_SCI_SCSSR_CLEARMASK & ~CYGARC_REG_SCI_SCSSR_RDRF); if( cyg_hal_is_break( &c , 1 ) ) *__ctrlc = 1;
