bsp.c
88 lines
| 2.4 KiB
| text/x-c
|
CLexer
r6 | /*------------------------------------------------------------------------------ | |||
-- This file is a part of the libuc, microcontroler library | ||||
-- Copyright (C) 2011, Alexis Jeandet | ||||
-- | ||||
-- 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. | ||||
-- | ||||
-- This program 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, write to the Free Software | ||||
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
------------------------------------------------------------------------------- | ||||
-- Author : Alexis Jeandet | ||||
-- Mail : alexis.jeandet@gmail.com | ||||
-------------------------------------------------------------------------------*/ | ||||
#include "bsp.h" | ||||
#include "core.h" | ||||
unsigned int OSC0 =12000000; | ||||
unsigned int INTOSC =4000000; | ||||
unsigned int RTCOSC =32768; | ||||
unsigned int currentCpuFreq=0; | ||||
r12 | uartDev UART0=(uartDev)0; | |||
uartDev UART1=(uartDev)0; | ||||
uartDev UART2=(uartDev)0; | ||||
uartDev UART3=(uartDev)0; | ||||
r6 | ||||
int bsp_init() | ||||
{ | ||||
bsp_GPIO_init(); | ||||
coresetCpuFreq(40000000); | ||||
currentCpuFreq=coregetCpuFreq(); | ||||
coresetCpuFreq(80000000); | ||||
currentCpuFreq=coregetCpuFreq(); | ||||
bsp_uart_init(); | ||||
return 0; | ||||
} | ||||
void bsp_GPIO_init() | ||||
{ | ||||
LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO | ||||
LPC_GPIO1->FIODIR |= (1<<18)+(1<<20)+(1<<21)+(1<<23); // puts P1.18 20 21 23 into output mode. | ||||
LED1_OFF; | ||||
LED2_OFF; | ||||
LED3_OFF; | ||||
LED4_OFF; | ||||
} | ||||
void bsp_uart_init() | ||||
{ | ||||
LPC_SC->PCONP |= ( 1 << 25 ); // power up UART3 | ||||
LPC_SC->PCONP |= ( 1 << 4 ); // power up UART1 | ||||
LPC_PINCON->PINSEL0 |= (1<<1); | ||||
LPC_PINCON->PINSEL0 &= ~(1<<0); | ||||
LPC_PINCON->PINSEL0 |= (1<<3); | ||||
LPC_PINCON->PINSEL0 &= ~(1<<2); | ||||
LPC_PINCON->PINSEL0 |= (1<<30); | ||||
LPC_PINCON->PINSEL0 &= ~(1<<31); | ||||
LPC_PINCON->PINSEL1 |= (1<<0); | ||||
LPC_PINCON->PINSEL1 &= ~(1<<1); | ||||
UART3= uartopen(3); | ||||
uartsetup(UART3,9600,8,1,uartNoParity); | ||||
UART1= uartopen(1); | ||||
uartsetup(UART1,38400,8,1,uartNoParity); | ||||
} | ||||
void consoleputc(char c) | ||||
{ | ||||
uartputc(UART1,c); | ||||
} | ||||
char consolegetc() | ||||
{ | ||||
return uartgetc(UART1); | ||||
} | ||||