diff options
Diffstat (limited to 'demos/LPC214x-GCC/chcore.c')
| -rw-r--r-- | demos/LPC214x-GCC/chcore.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/demos/LPC214x-GCC/chcore.c b/demos/LPC214x-GCC/chcore.c deleted file mode 100644 index 3d72c20db..000000000 --- a/demos/LPC214x-GCC/chcore.c +++ /dev/null @@ -1,225 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT 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.
-
- ChibiOS/RT 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/>.
-*/
-
-#include <ch.h>
-
-#include "lpc214x.h"
-#include "lpc214x_serial.h"
-#include "buzzer.h"
-
-extern void IrqHandler(void);
-extern void T0IrqHandler(void);
-
-#define VAL_TC0_PRESCALER 0
-
-/*
- * Pins configuration for Olimex LPC-P2148.
- *
- * PINSEL0
- * P0 P0 P0 P0 P0 P0 RXD TXD SSE MOS MIS SCK SDA SCL RXD TXD
- * 15 14 13 12 11 10 1 1 L0 I0 O0 0 0 0 0 0
- * 00 00 00 00 00 00 01 01 01 01 01 01 01 01 01 01
- * IN IN OUT OUT OUT OUT -- -- -- -- -- -- -- -- -- --
- * 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0
- *
- * PINSEL1
- * P0 AD P0 P0 -- -- AO -- VB P0 P0 SSE MOS MIS SCK P0
- * 31 03 29 28 -- -- UT -- US 22 21 L1 I1 O1 1 16
- * 00 01 00 00 00 00 10 00 01 00 00 10 10 10 10 00
- * OUT -- OUT OUT -- -- -- -- -- OUT OUT -- -- -- -- IN
- * 1 0 1 1 0 0 0 0 0 1 1 0 0 0 0 0
- *
- * PINSEL2
- * -- -- -- -- -- -- -- -- -- -- -- -- -- -- GP DBG --
- * -- -- -- -- -- -- -- -- -- -- -- -- -- -- IO --
- * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 1 00
- * -- -- -- -- -- -- -- -- -- -- -- -- -- -- IN -- --
- */
-#define VAL_PINSEL0 0x00055555
-#define VAL_PINSEL1 0x100842A8
-#define VAL_PINSEL2 0x00000004
-#define VAL_FIO0DIR 0xB0603C00
-#define VAL_FIO1DIR 0x00000000
-
-/*
- * Hardware initialization goes here.
- * NOTE: Interrupts are still disabled.
- */
-void hwinit(void) {
- int i;
-
- /*
- * All peripherals clock disabled by default in order to save power.
- */
- PCONP = PCRTC | PCTIM0;
-
- /*
- * MAM setup.
- */
- MAMTIM = 0x3; /* 3 cycles for flash accesses. */
- MAMCR = 0x2; /* MAM fully enabled. */
-
- /*
- * PLL setup for Fosc=12MHz and CCLK=48MHz.
- * P=2 M=3.
- */
- PLL *pll = PLLBase;
- pll->PLL0_CFG = 0x23; /* P and M values. */
- pll->PLL0_CON = 0x1; /* Enalbles the PLL 0. */
- pll->PLL0_FEED = 0xAA;
- pll->PLL0_FEED = 0x55;
- while (!(pll->PLL0_STAT & 0x400))
- ; /* Wait for PLL lock. */
-
- pll->PLL0_CON = 0x3; /* Connects the PLL. */
- pll->PLL0_FEED = 0xAA;
- pll->PLL0_FEED = 0x55;
-
- /*
- * VPB setup.
- * PCLK = CCLK / 4.
- */
- VPBDIV = VPD_D4;
-
- /*
- * I/O pins configuration.
- */
- PINSEL0 = VAL_PINSEL0;
- PINSEL1 = VAL_PINSEL1;
- PINSEL2 = VAL_PINSEL2;
- IO0DIR = VAL_FIO0DIR;
- IO0SET = 0xFFFFFFFF;
- IO1DIR = VAL_FIO1DIR;
- IO1SET = 0xFFFFFFFF;
-
- /*
- * Interrupt vectors assignment.
- * NOTE: Better reset everything in the VIC, it is a HUGE source of trouble.
- */
- VIC *vic = VICBase;
- vic->VIC_IntSelect = 0;
- vic->VIC_IntEnable = 0;
- vic->VIC_VectAddr = 0;
- for (i = 0; i < 16; i++) {
- vic->VIC_VectCntls[i] = 0;
- vic->VIC_VectAddrs[i] = 0;
- }
- vic->VIC_DefVectAddr = (IOREG32)IrqHandler;
- SetVICVector(T0IrqHandler, 0, SOURCE_Timer0);
- SetVICVector(UART0IrqHandler, 1, SOURCE_UART0);
- SetVICVector(UART1IrqHandler, 2, SOURCE_UART1);
-
- /*
- * System Timer initialization, 1ms intervals.
- */
- vic->VIC_IntEnable |= INTMASK(SOURCE_Timer0);
- TC *timer = T0Base;
- timer->TC_PR = VAL_TC0_PRESCALER;
- timer->TC_MR0 = (PCLK / CH_FREQUENCY) / (VAL_TC0_PRESCALER + 1);
- timer->TC_MCR = 3; /* Interrupt and clear TC on match MR0. */
- timer->TC_TCR = 2; /* Reset counter and prescaler. */
- timer->TC_TCR = 1; /* Timer enabled. */
-
- /*
- * Other subsystems.
- */
- InitSerial();
- InitBuzzer();
-}
-
-void chSysPause(void) {
-
- while (TRUE) {
-// Note, it is disabled because it causes trouble with the JTAG probe.
-// Enable it in the final code only.
-// PCON = 1; /* Stops CPU clock until next interrupt. */
- }
-}
-
-/*
- * System halt.
- * Yellow LED only.
- */
-void chSysHalt(void) {
-
- chSysLock();
- IO0SET = 0x80000C00;
- IO0CLR = 0x80000000;
- while (TRUE)
- ;
-}
-
-/*
- * Set a vector for an interrupt source, the vector is enabled too.
- */
-void SetVICVector(void *handler, int vector, int source) {
-
- VIC *vicp = VICBase;
- vicp->VIC_VectAddrs[vector] = (IOREG32)handler;
- vicp->VIC_VectCntls[vector] = (IOREG32)(source | 0x20);
-}
-
-/*
- * Undefined Instruction exception handler.
- * Yellow LED + RED LED 2.
- */
-void UndHandler(void) {
- IO0SET = 0x80000C00;
- IO0CLR = 0x80000800;
- while(TRUE)
- ;
-}
-
-/*
- * Prefetch exception handler.
- * Yellow LED + RED LED 1.
- */
-void PrefetchHandler(void) {
- IO0SET = 0x80000C00;
- IO0CLR = 0x80000400;
- while(TRUE)
- ;
-}
-
-/*
- * Abort exception handler.
- * Yellow LED + both RED LEDs.
- */
-void AbortHandler(void) {
- IO0SET = 0x80000C00;
- IO0CLR = 0x80000C00;
- while(TRUE)
- ;
-}
-
-/*
- * Non-vectored IRQs handling here.
- */
-void NonVectoredIrq(void) {
- VICVectAddr = 0;
-}
-
-/*
- * Timer 0 IRQ handling here.
- */
-void Timer0Irq(void) {
- chSchTimerHandlerI();
- T0IR = 1; /* Clear interrupt on match MR0. */
- VICVectAddr = 0;
-}
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