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RIOT supports two distinct families of the MSP430: The [MSP430 x1xx]
MCU family and the [MSP430 F2xx/G2xx] MCU family. For both incompatible
MCU families the code was located in the msp430fxyz folder, resulting
in case of the UART driver in particularly bizarre code looking roughly
like this:
#ifndef UART_USE_USCI
/* implementation of x1xx peripheral ... */
#else
/* implementation of F2xx/G2xx peripheral ... */
#endif
/* zero shared code between both variants */
This splits the peripheral drivers for USCI and USART serial IP blocks
into separate files and relocates everything in cpu/msp430, similar to
how cpu/stm32 is organized.
[MSP430 x1xx]: https://www.ti.com/lit/ug/slau049f/slau049f.pdf
[MSP430 F2xx/G2xx]: https://www.ti.com/lit/ug/slau144k/slau144k.pdf
62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu
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* @{
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*
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* @file
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* @brief Calls startup functions on MSP430-based platforms
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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*
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* @}
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*/
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#include <stdio.h>
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#include "periph_conf.h"
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#include "periph/init.h"
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#include "kernel_init.h"
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#include "stdio_base.h"
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#include "cpu.h"
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#include "irq.h"
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#include "log.h"
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#ifdef MODULE_DBGPIN
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#include "dbgpin.h"
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#endif
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extern void board_init(void);
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extern void msp430_cpu_init(void);
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__attribute__((constructor)) static void startup(void)
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{
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msp430_cpu_init();
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board_init();
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#ifdef MODULE_DBGPIN
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dbgpin_init();
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#endif
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#ifdef MODULE_NEWLIB
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void _init(void);
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_init();
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#endif
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/* initialize stdio prior to periph_init() to allow use of DEBUG() there */
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early_init();
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/* trigger static peripheral initialization */
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periph_init();
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/* continue with kernel initialization */
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kernel_init();
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__builtin_unreachable();
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}
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