From 6ba10be3492959fa052eaa98b2ff0935f09b6d24 Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Wed, 1 May 2013 00:34:39 +0200 Subject: digital/io-hub/src/bootloader: add io-hub-stm32 XMODEM bootloader Not exactly a bootloader, but a binary image updater, which should be run by main code. --- digital/io-hub/src/bootloader/bootloader.cc | 84 +++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 digital/io-hub/src/bootloader/bootloader.cc (limited to 'digital/io-hub/src/bootloader/bootloader.cc') diff --git a/digital/io-hub/src/bootloader/bootloader.cc b/digital/io-hub/src/bootloader/bootloader.cc new file mode 100644 index 00000000..ca8a99c2 --- /dev/null +++ b/digital/io-hub/src/bootloader/bootloader.cc @@ -0,0 +1,84 @@ +// io-hub - Modular Input/Output. {{{ +// +// Copyright (C) 2013 Nicolas Schodet +// +// APBTeam: +// Web: http://apbteam.org/ +// Email: team AT apbteam DOT org +// +// 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +// }}} +#include "ucoolib/hal/uart/uart.hh" +#include "ucoolib/arch/arch.hh" +#include "ucoolib/common.hh" + +#include +#include "ucoolib/hal/gpio/gpio.hh" + +#include "ucoolib/dev/xmodem/xmodem.hh" +#include "ucoolib/utils/delay.hh" + +#include "self_programming.hh" + +class BootloaderReceiver : public ucoo::XmodemReceiver +{ + uint32_t addr_; +public: + BootloaderReceiver (uint32_t addr) : addr_ (addr) { } + int write (const char *buf, int count) + { + self_programming_write (addr_, buf, count); + addr_ += count; + return count; + } +}; + +int +main (int argc, const char **argv) +{ + ucoo::arch_init (argc, argv); + // D8, D9: UART3 + // C12, D2: UART5 + rcc_peripheral_enable_clock (&RCC_AHB1ENR, RCC_AHB1ENR_IOPCEN); + rcc_peripheral_enable_clock (&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); + gpio_mode_setup (GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO12); + gpio_mode_setup (GPIOD, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2 | GPIO8 | GPIO9); + gpio_set_af (GPIOC, GPIO_AF8, GPIO12); + gpio_set_af (GPIOD, GPIO_AF8, GPIO2); + gpio_set_af (GPIOD, GPIO_AF7, GPIO8 | GPIO9); + ucoo::Uart u0 (2), u1 (4); + u0.enable (38400, ucoo::Uart::EVEN, 1); + u1.enable (38400, ucoo::Uart::EVEN, 1); + ucoo::Uart *u[] = { &u0, &u1 }; + const char welcome[] = "Press enter to start Xmodem receiver\n"; + int i; + for (i = 0; i < (int) lengthof (u); i++) + { + u[i]->write (welcome, sizeof (welcome) - 1); + u[i]->block (false); + } + for (i = 0; ; i = (i + 1) % lengthof (u)) + { + int c = u[i]->getc (); + if (c == '\n') + break; + } + BootloaderReceiver receiver (0x8000000); + ucoo::xmodem_receive (*u[i], receiver); + ucoo::delay (1); + ucoo::arch_reset (); +} + -- cgit v1.2.3