typedef long ssize_t;
#elif CPU_ARM || CPU_CM3
typedef int ssize_t;
- #elif CPU_AVR
- /* 16bit (missing in avr-libc's sys/types.h). */
+ #elif CPU_AVR || CPU_MSP430
+ /* 16bit (missing in avr-/msp430-libc's sys/types.h). */
typedef int ssize_t;
#else
#error Unknown CPU
#define CPU_RAM_START 0x100
#endif
+#elif CPU_MSP430
+
+ #define CPU_REG_BITS 16
+ #define CPU_REGS_CNT 12
+ #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
+ #define CPU_HARVARD 0
+
+ /// Valid pointers should be >= than this value (used for debug)
+ #define CPU_RAM_START 0x200
+
+ #define NOP __asm__ __volatile__ ("nop")
+
#else
#error No CPU_... defined.
#endif
#define CPU_AVR_ATMEGA1280 0
#endif
+#if defined (__MSP430__)
+ #define CPU_MSP430 1
+ #define CPU_ID msp430
+
+ #if defined(__MSP430_2274__)
+ #define CPU_MSP430_2274 1
+ #else
+ #define CPU_MSP430_2274 0
+ #endif
+#else
+ #define CPU_MSP430 0
+#endif
+
/* Self-check for the detection: only one CPU must be detected */
-#if CPU_ARM + CPU_CM3 + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR == 0
+#if CPU_ARM + CPU_CM3 + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR + CPU_MSP430 == 0
#error Unknown CPU
#elif !defined(CPU_ID)
#error CPU_ID not defined
-#elif CPU_ARM + CPU_CM3 + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR != 1
+#elif CPU_ARM + CPU_CM3 + CPU_I196 + CPU_X86 + CPU_PPC + CPU_DSP56K + CPU_AVR + CPU_MSP430 != 1
#error Internal CPU configuration error
#endif
#define CPU_STACK_GROWS_UPWARD 0
#define CPU_SP_ON_EMPTY_SLOT 1
+#elif CPU_MSP430
+
+ #define CPU_SAVED_REGS_CNT 16
+ #define CPU_STACK_GROWS_UPWARD 1
+ #define CPU_SP_ON_EMPTY_SLOT 0
+
#else
#error No CPU_... defined.
#endif
#define ISR_PROTO_CONTEXT_SWITCH(vect) ISR(vect)
#endif
+#elif CPU_MSP430
+
+ /* Get the compiler defined macros */
+ #include <signal.h>
+ #define IRQ_DISABLE dint()
+ #define IRQ_ENABLE eint()
+
#else
#error No CPU_... defined.
#endif
--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2003, 2004, 2005, 2006, 2007 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2010 Mohamed <mtarek16@gmail.com>
+ *
+ * -->
+ *
+ * \brief MSP430 debug support (implementation).
+ *
+ * \author Mohamed Tarek <mtarek16@gmail.com>
+ */
+
+#include <hw/hw_cpufreq.h> /* for CPU_FREQ */
+#include "hw/hw_ser.h" /* bus macros overrides */
+
+#include "cfg/cfg_debug.h"
+#include <cfg/macros.h> /* for DIV_ROUND */
+
+#include <cpu/types.h>
+#include <cpu/attr.h>
+
+#include <io.h>
+
+#if CONFIG_KDEBUG_PORT == 0
+
+ #ifndef KDBG_UART0_BUS_INIT
+ #define KDBG_UART0_BUS_INIT do {} while (0)
+ #endif
+ #ifndef KDBG_UART0_BUS_RX
+ #define KDBG_UART0_BUS_RX do {} while (0)
+ #endif
+ #ifndef KDBG_UART0_BUS_TX
+ #define KDBG_UART0_BUS_TX do {} while (0)
+ #endif
+
+ /* USCI Register definitions */
+ #define UCSTAT UCA0STAT
+ #define UCTXBUF UCA0TXBUF
+ #define UCRXBUF UCA0RXBUF
+ #define UCTXIFG UCA0TXIFG
+ #define UCRXIFG UCA0RXIFG
+ #define UCTXIE UCA0TXIE
+ #define UCRXIE UCA0RXIE
+ #define UCCTL0 UCA0CTL0
+ #define UCCTL1 UCA0CTL1
+ #define UCBR0 UCA0BR0
+ #define UCBR1 UCA0BR1
+ #define UCMCTL UCA0MCTL
+ #define IE IE2
+ #define IFG IFG2
+
+ #if (CPU_MSP430_2274)
+ #define KDBG_MSP430_UART_PINS_INIT() do{ P3SEL = 0x30; }while(0)
+ #endif
+
+#else
+
+ #if (CPU_MSP430_2274)
+ #error only 1 UART availbale, CONFIG_KDEBUG_PORT should be 0
+ #endif
+
+#endif
+
+#define KDBG_WAIT_READY() do { while((UCSTAT & UCBUSY)); } while(0)
+#define KDBG_WAIT_TXDONE() do { while(!(IFG & UCTXIFG)); } while(0)
+
+#define KDBG_WRITE_CHAR(c) do { UCTXBUF = (c); } while(0)
+
+#define KDBG_MASK_IRQ(old) do { \
+ (old) = IE; \
+ IE &= ~(UCTXIE|UCRXIE);\
+} while(0)
+
+#define KDBG_RESTORE_IRQ(old) do { \
+ KDBG_WAIT_TXDONE(); \
+ IE = (old); \
+} while(0)
+
+typedef uint8_t kdbg_irqsave_t;
+
+INLINE void kdbg_hw_init(void)
+{
+ /* Assume SMCLK = MCLK = DCO = CPU_FREQ */
+ /* Compute the baud rate */
+ uint16_t quot = DIV_ROUND(CPU_FREQ, CONFIG_KDEBUG_BAUDRATE);
+ KDBG_MSP430_UART_PINS_INIT(); // Configure USCI TX/RX pins
+ UCCTL1 |= UCSSEL_2; // use SMCLK
+ UCBR0 = quot & 0xFF;
+ UCBR1 = quot >> 8;
+ UCMCTL = UCBRS0; // No Modulation
+ UCCTL0 = 0; // Default UART settings (8N1)
+ UCCTL1 &= ~UCSWRST; // Initialize USCI state machine
+ KDBG_MASK_IRQ(IE2); // Disable USCI interrupts
+}
+
--- /dev/null
+#
+#-*- coding: utf-8 -*-
+#
+# \file
+# <!--
+# This file is part of BeRTOS.
+#
+# Bertos 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# As a special exception, you may use this file as part of a free software
+# library without restriction. Specifically, if other files instantiate
+# templates or use macros or inline functions from this file, or you compile
+# this file and link it with other files to produce an executable, this
+# file does not by itself cause the resulting executable to be covered by
+# the GNU General Public License. This exception does not however
+# invalidate any other reasons why the executable file might be covered by
+# the GNU General Public License.
+#
+# Copyright 2008 Develer S.r.l. (http://www.develer.com/)
+#
+# -->
+#
+# Cpu info of the MSP430f2274.
+#
+# This file contains all the info for the BeRTOS wizard.
+#
+# \author Mohamed Tarek <mtarek16@gmail.com>
+#
+#
+
+# Import the common settings for the path.
+include("msp430.common")
+
+# Short description of the cpu.
+CPU_DESC += [ "32 Kbytes Flash",
+ "1 Kbyte internal SRAM",
+ "256 bytes Information Flash"]
+
+# If we use the GCC compiler we should pass some flags.
+CORE_CPU = "msp430x2274"
+
+include("msp430_post.common")
--- /dev/null
+#
+#-*- coding: utf-8 -*-
+#
+# \file
+# <!--
+# This file is part of BeRTOS.
+#
+# Bertos 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# As a special exception, you may use this file as part of a free software
+# library without restriction. Specifically, if other files instantiate
+# templates or use macros or inline functions from this file, or you compile
+# this file and link it with other files to produce an executable, this
+# file does not by itself cause the resulting executable to be covered by
+# the GNU General Public License. This exception does not however
+# invalidate any other reasons why the executable file might be covered by
+# the GNU General Public License.
+#
+# Copyright 2008 Develer S.r.l. (http://www.develer.com/)
+#
+# -->
+#
+# General CPU info denfinition AVR family.
+#
+# This file contains all the info for the BeRTOS wizard.
+#
+# \author Mohamed Tarek <mtarek16@gmail.com>
+#
+#
+
+# Import the common settings for the path.
+include("../../path.common")
+
+# Short description of the cpu.
+CPU_DESC = [ "Texas Instruments MSP430 Microcontroller ",
+ "16-bit RISC Architecture"]
+
+# Type of the toolchain we should use to compile the source for this CPU.
+TOOLCHAIN = "mspgcc"
+
+# Special CPU related tags.
+CPU_TAGS = ["Von Neumann", TOOLCHAIN]
+
+# CPU default clock frequency
+CPU_DEFAULT_FREQ = "1000000UL"
+
+# Where are locate the bertos directories
+SCRIPT_DIR = CPU_DIR + "msp430/scripts/"
+
+MK_FLASH_SCRIPT = PRG_SCRIPTS_DIR + "msp430/flash.sh"
+MK_STOPFLASH_SCRIPT = PRG_SCRIPTS_DIR + "msp430/stopflash.sh"
+MK_DEBUG_SCRIPT = PRG_SCRIPTS_DIR + "nodebug.sh"
+MK_STOPDEBUG_SCRIPT = PRG_SCRIPTS_DIR + "none.sh"
+
+# Common GCC flags.
+MK_CPU_CPPFLAGS = "-Os -I" + CPU_DIR + "msp430/"
+
--- /dev/null
+# CPU type used for flashing
+MK_PROGRAMMER_CPU = CORE_CPU
+
+# Name of the flag used by the build system to pass to the compiler the CPU type.
+MK_MCU = CORE_CPU
+
+# Add CPU core to tags
+CPU_TAGS += [ CORE_CPU ]
#define SIZEOF_CPUSTACK_T 1
#define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
+#elif CPU_MSP430
+
+ typedef uint16_t cpu_flags_t;
+ typedef uint16_t cpu_stack_t;
+ typedef cpu_stack_t cpu_aligned_stack_t;
+ #define SIZEOF_CPUSTACK_T 2
+ #define SIZEOF_CPUALIGNED_T SIZEOF_CPUSTACK_T
+
#else
#error No CPU_... defined.
#endif
case 'p':
case 'X':
if (format_flag == 'p')
-#if defined(__AVR__) || defined(__I196__) /* 16bit pointers */
+#if defined(__AVR__) || defined(__I196__) || defined(__MSP430__) /* 16bit pointers */
ulong = (unsigned long)(unsigned short)va_arg(ap, char *);
#else /* 32bit pointers */
ulong = (unsigned long)va_arg(ap, char *);
projects / bertos.git / commitdiff