* msba2: updated pttu port, refactored common code into msba2-common
Kaspar Schleiser
13 years ago
parent
6a950320ae
commit
5a5d083e50
@ -0,0 +1,6 @@
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SubDir TOP board msba2-common ;
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Module board_common : board_common_init.c ;
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SubInclude TOP board msba2-common drivers ;
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@ -0,0 +1,34 @@
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# ******************************************************************************
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# Copyright 2009, Freie Universitaet Berlin (FUB). All rights reserved.
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#
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# These sources were developed at the Freie Universitaet Berlin, Computer
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# Systems and Telematics group (http://cst.mi.fu-berlin.de).
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# ------------------------------------------------------------------------------
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# This file is part of FeuerWare.
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
|
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# FeuerWare is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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||||
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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||||
# this program. If not, see http://www.gnu.org/licenses/ .
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# ------------------------------------------------------------------------------
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# For further information and questions please use the web site
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# http://scatterweb.mi.fu-berlin.de
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||||
# and the mailinglist (subscription via web site)
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# scatterweb@lists.spline.inf.fu-berlin.de
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# ******************************************************************************
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# $Id$
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CPU = lpc2387 ;
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HDRS += [ FPath $(TOP) board msba2-common include ] ;
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HDRS += [ FPath $(TOP) board msba2-common drivers include ] ;
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FLASHER ?= $(POSIXSHELL) lpc2k_pgm ;
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FLASHFLAGS ?= "$(PORT)" ;
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@ -0,0 +1,160 @@
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/******************************************************************************
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Copyright 2008-2009, Freie Universitaet Berlin (FUB). All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
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and Telematics group (http://cst.mi.fu-berlin.de).
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-------------------------------------------------------------------------------
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This file is part of FeuerWare.
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This program 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 3 of the License, or (at your option) any later
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||||
version.
|
||||
|
||||
FeuerWare 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.
|
||||
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You should have received a copy of the GNU General Public License along with
|
||||
this program. If not, see http://www.gnu.org/licenses/ .
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--------------------------------------------------------------------------------
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For further information and questions please use the web site
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http://scatterweb.mi.fu-berlin.de
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and the mailinglist (subscription via web site)
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||||
scatterweb@lists.spline.inf.fu-berlin.de
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*******************************************************************************/
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/**
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* @ingroup msba2
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* @{
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*/
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/**
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* @file
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* @brief MSB-A2 board initialization
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
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* @author Heiko Will
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* @author Kaspar Schleiser
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* @author Michael Baar <baar@inf.fu-berlin.de>
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*
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* @note $Id$
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*/
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#include <board.h>
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#include <lpc23xx.h>
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#include <VIC.h>
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#include <cpu.h>
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#include <config.h>
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#include <string.h>
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#include <flashrom.h>
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#define PCRTC BIT9
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#define CL_CPU_DIV 4
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config_t sysconfig = {
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0, ///< default ID
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0, ///< default radio address
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0, ///< default radio channel
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};
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/*---------------------------------------------------------------------------*/
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/**
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* @brief Enabling MAM and setting number of clocks used for Flash memory fetch
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* @internal
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*/
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static void
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init_mam(void)
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{
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MAMCR = 0x0000;
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MAMTIM = 0x0003;
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MAMCR = 0x0002;
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}
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/*---------------------------------------------------------------------------*/
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static inline void
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pllfeed(void)
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{
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PLLFEED = 0xAA;
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PLLFEED = 0x55;
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}
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/*---------------------------------------------------------------------------*/
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void init_clks1(void)
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{
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// Disconnect PLL
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PLLCON &= ~0x0002;
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pllfeed();
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// Disable PLL
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PLLCON &= ~0x0001;
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pllfeed();
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SCS |= 0x20; // Enable main OSC
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while( !(SCS & 0x40) ); // Wait until main OSC is usable
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/* select main OSC, 16MHz, as the PLL clock source */
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CLKSRCSEL = 0x0001;
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// Setting Multiplier and Divider values
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PLLCFG = 0x0008; // M=9 N=1 Fcco = 288 MHz
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pllfeed();
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// Enabling the PLL */
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PLLCON = 0x0001;
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pllfeed();
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/* Set clock divider to 4 (value+1) */
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CCLKCFG = CL_CPU_DIV - 1; // Fcpu = 72 MHz
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#if USE_USB
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USBCLKCFG = USBCLKDivValue; /* usbclk = 288 MHz/6 = 48 MHz */
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#endif
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}
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void init_clks2(void){
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// Wait for the PLL to lock to set frequency
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while(!(PLLSTAT & BIT26));
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// Connect the PLL as the clock source
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PLLCON = 0x0003;
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pllfeed();
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/* Check connect bit status */
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while (!(PLLSTAT & BIT25));
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}
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void bl_init_clks(void)
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{
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PCONP = PCRTC; // switch off everything except RTC
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init_clks1();
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init_clks2();
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init_mam();
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}
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void loop_delay(void) {
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volatile uint16_t i, j;
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for (i = 1; i < 30; i++) {
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for (j = 1; j != 0; j++) {
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asm volatile (" nop ");
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}
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}
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}
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/*void bl_blink(void) {
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LED_RED_ON;
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LED_GREEN_ON;
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loop_delay();
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LED_RED_OFF;
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LED_GREEN_OFF;
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}*/
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// void bl_config_init(void) {
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// extern char configmem[];
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// if (*((uint16_t*) configmem) == CONFIG_KEY) {
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// memcpy(&sysconfig, (configmem + sizeof(CONFIG_KEY)), sizeof(sysconfig));
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// LED_GREEN_TOGGLE;
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// }
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// else {
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// config_save();
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// }
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// }
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@ -0,0 +1,5 @@
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SubDir TOP board msba2-common drivers ;
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Module board_cc1100 : msba2-cc1100.c ;
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Module board_ltc4150 : msba2-ltc4150.c : gpioint ;
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Module board_uart : msba2-uart0.c : chardev_thread ringbuffer ;
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@ -1,33 +1 @@
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# ******************************************************************************
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# Copyright 2009, Freie Universitaet Berlin (FUB). All rights reserved.
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#
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# These sources were developed at the Freie Universitaet Berlin, Computer
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# Systems and Telematics group (http://cst.mi.fu-berlin.de).
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# ------------------------------------------------------------------------------
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# This file is part of FeuerWare.
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#
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# This program 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 3 of the License, or (at your option) any later
|
||||
# version.
|
||||
#
|
||||
# FeuerWare 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.
|
||||
#
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# You should have received a copy of the GNU General Public License along with
|
||||
# this program. If not, see http://www.gnu.org/licenses/ .
|
||||
# ------------------------------------------------------------------------------
|
||||
# For further information and questions please use the web site
|
||||
# http://scatterweb.mi.fu-berlin.de
|
||||
# and the mailinglist (subscription via web site)
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||||
# scatterweb@lists.spline.inf.fu-berlin.de
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# ******************************************************************************
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# $Id$
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CPU = lpc2387 ;
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HDRS += [ FPath $(TOP) board $(BOARD) drivers include ] ;
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FLASHER ?= $(POSIXSHELL) lpc2k_pgm ;
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FLASHFLAGS ?= "$(PORT)" ;
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include board/msba2-common/Jamrules.msba2 ;
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@ -1,7 +0,0 @@
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SubDir TOP board msba2 drivers ;
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Module board_cc1100 : msba2-cc1100.c : gpioint cc110x_spi ;
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Module board_hal : msba2-hal.c ;
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Module board_ltc4150 : msba2-ltc4150.c : gpioint ;
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Module board_common : msba2-uart0.c : ringbuffer ;
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Module board_uart : msba2-uart0_thread.c : chardev_thread ringbuffer ;
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@ -1,68 +0,0 @@
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/******************************************************************************
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Copyright 2008, Freie Universitaet Berlin (FUB). All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
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and Telematics group (http://cst.mi.fu-berlin.de).
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-------------------------------------------------------------------------------
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This file is part of FeuerWare.
|
||||
|
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This program 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 3 of the License, or (at your option) any later
|
||||
version.
|
||||
|
||||
FeuerWare 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
|
||||
this program. If not, see http://www.gnu.org/licenses/ .
|
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--------------------------------------------------------------------------------
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For further information and questions please use the web site
|
||||
http://scatterweb.mi.fu-berlin.de
|
||||
and the mailinglist (subscription via web site)
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||||
scatterweb@lists.spline.inf.fu-berlin.de
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*******************************************************************************/
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#ifndef BOARDCONF_H_
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#define BOARDCONF_H_
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/**
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* @ingroup conf
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* @ingroup msba2
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*
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* @{
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*/
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/**
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* @file
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* @brief MSB-A2 board configuration
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
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* @author baar
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* @version $Revision$
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*
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* @note $Id$
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*/
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#define FEUERWARE_CONF_BOARD_NAME "FU Berlin MSB-A2"
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#ifdef MODULE_CC110X
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#define FEUERWARE_CONF_NUM_RADIOS 1
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#else
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#define FEUERWARE_CONF_NUM_RADIOS 0
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#endif
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// if FAT is enabled this board supports files
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#define FEUERWARE_CONF_CORE_SUPPORTS_FILES defined(MODULE_FAT)
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#ifdef MODULE_FAT
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#define CFG_CONF_MEM_SIZE 0x7FFFFFFF
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#define SYSLOG_CONF_NUM_INTERFACES 2
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#else
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#define SYSLOG_CONF_NUM_INTERFACES 1
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#endif
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/** @} */
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#endif /* BOARDCONF_H_ */
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@ -1,204 +0,0 @@
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/******************************************************************************
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Copyright 2008-2009, Freie Universitaet Berlin (FUB). All rights reserved.
|
||||
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
|
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and Telematics group (http://cst.mi.fu-berlin.de).
|
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-------------------------------------------------------------------------------
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This file is part of FeuerWare.
|
||||
|
||||
This program 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 3 of the License, or (at your option) any later
|
||||
version.
|
||||
|
||||
FeuerWare 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
|
||||
this program. If not, see http://www.gnu.org/licenses/ .
|
||||
--------------------------------------------------------------------------------
|
||||
For further information and questions please use the web site
|
||||
http://scatterweb.mi.fu-berlin.de
|
||||
and the mailinglist (subscription via web site)
|
||||
scatterweb@lists.spline.inf.fu-berlin.de
|
||||
*******************************************************************************/
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/*
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* debug_uart.c: provides initial serial debug output
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*
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* Copyright (C) 2008, 2009 Kaspar Schleiser <kaspar@schleiser.de>
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* Heiko Will <hwill@inf.fu-berlin.de>
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "lpc23xx.h"
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#include "VIC.h"
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/**
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* @file
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* @ingroup lpc2387
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
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* @version $Revision$
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*
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* @note $Id$
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*/
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typedef struct toprint {
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unsigned int len;
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char content[];
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}toprint;
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#define QUEUESIZE 255
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static volatile toprint* queue[QUEUESIZE];
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static volatile unsigned char queue_head = 0;
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static volatile unsigned char queue_tail = 0;
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static volatile unsigned char queue_items = 0;
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static volatile unsigned int actual_pos = 0;
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static volatile unsigned int running = 0;
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static volatile unsigned int fifo = 0;
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static volatile toprint* actual = NULL;
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void (*uart0_callback)(int);
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static inline void enqueue(void) {
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queue_items++;
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queue_tail++;
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}
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static inline void dequeue(void) {
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actual = (queue[queue_head]);
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queue_items--;
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queue_head++;
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}
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static void push_queue(void) {
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running = 1;
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start:
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if (!actual) {
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if (queue_items) {
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dequeue();
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} else {
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running = 0;
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if (!fifo)
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while(!(U0LSR & BIT6)){};
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return;
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}
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}
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while ((actual_pos < actual->len) && (fifo++ < 16)){
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U0THR = actual->content[actual_pos++];
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}
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if (actual_pos == actual->len) {
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free((void*)actual);
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actual = NULL;
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actual_pos = 0;
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goto start;
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}
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}
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int uart_active(void){
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return (running || fifo);
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}
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static inline void receive(int c)
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{
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if (uart0_callback != NULL) uart0_callback(c);
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}
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void stdio_flush(void)
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{
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U0IER &= ~BIT1; // disable THRE interrupt
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while(running) {
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while(!(U0LSR & (BIT5|BIT6))){}; // transmit fifo
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fifo=0;
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push_queue(); // dequeue to fifo
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}
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U0IER |= BIT1; // enable THRE interrupt
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}
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|
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void UART0_IRQHandler(void) __attribute__((interrupt("IRQ")));
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void UART0_IRQHandler(void)
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||||
{
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int iir;
|
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iir = U0IIR;
|
||||
|
||||
switch(iir & UIIR_ID_MASK) {
|
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case UIIR_THRE_INT: // Transmit Holding Register Empty
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fifo=0;
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push_queue();
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break;
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case UIIR_CTI_INT: // Character Timeout Indicator
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case UIIR_RDA_INT: // Receive Data Available
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do {
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int c = U0RBR;
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receive(c);
|
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} while (U0LSR & ULSR_RDR);
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break;
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||||
|
||||
default:
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U0LSR;
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U0RBR;
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break;
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||||
} // switch
|
||||
VICVectAddr = 0; // Acknowledge Interrupt
|
||||
}
|
||||
|
||||
static inline int uart0_puts(char *astring,int length)
|
||||
{
|
||||
while (queue_items == (QUEUESIZE-1)) {} ;
|
||||
U0IER = 0;
|
||||
queue[queue_tail] = malloc(length+sizeof(unsigned int));
|
||||
queue[queue_tail]->len = length;
|
||||
memcpy(&queue[queue_tail]->content,astring,length);
|
||||
enqueue();
|
||||
if (!running)
|
||||
push_queue();
|
||||
U0IER |= BIT0 | BIT1; // enable RX irq
|
||||
|
||||
// alternative without queue:
|
||||
// int i;
|
||||
// for (i=0;i<length;i++) {
|
||||
// while (!(U0LSR & BIT5));
|
||||
// U0THR = astring[i];
|
||||
// }
|
||||
|
||||
return length;
|
||||
}
|
||||
|
||||
int fw_puts(char *astring,int length)
|
||||
{
|
||||
return uart0_puts(astring, length);
|
||||
}
|
||||
|
||||
int
|
||||
bl_uart_init(void)
|
||||
{
|
||||
PCONP |= PCUART0; // power on
|
||||
|
||||
// UART0 clock divider is CCLK/8
|
||||
PCLKSEL0 |= BIT6 + BIT7;
|
||||
|
||||
U0LCR = 0x83; // 8 bits, no Parity, 1 Stop bit
|
||||
|
||||
// TODO: UART Baudrate calculation using uart->config->speed
|
||||
/*
|
||||
* Baudrate calculation
|
||||
* BR = PCLK (9 MHz) / (16 x 256 x DLM + DLL) x (1/(DIVADDVAL/MULVAL))
|
||||
*/
|
||||
U0FDR = 0x92; // DIVADDVAL = 0010 = 2, MULVAL = 1001 = 9
|
||||
U0DLM = 0x00;
|
||||
U0DLL = 0x04;
|
||||
|
||||
U0LCR = 0x03; // DLAB = 0
|
||||
U0FCR = 0x07; // Enable and reset TX and RX FIFO
|
||||
|
||||
/* irq */
|
||||
install_irq(UART0_INT, UART0_IRQHandler, 6);
|
||||
U0IER |= BIT0 | BIT1; // enable RX+TX irq
|
||||
return 1;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue