// 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 "zb_avrisp.stm32.hh" #include "ucoolib/dev/avrisp/avrisp_frame.hh" #include "ucoolib/hal/gpio/gpio.hh" #include "ucoolib/hal/spi/spi_soft.hh" #include "ucoolib/utils/delay.hh" class ZbAvrIspIntf : public ucoo::AvrIspIntf { public: ZbAvrIspIntf (ucoo::Io &reset, ucoo::Io &sck, ucoo::Io &mosi, ucoo::Io &miso) : reset_ (reset), sck_ (sck), spi_ (sck, mosi, miso), active_ (true) { } uint8_t send_and_recv (uint8_t tx) { return spi_.send_and_recv (tx); } void enable (uint8_t sck_duration_us) { reset_.output (); reset_.reset (); sck_.output (); sck_.reset (); ucoo::delay_us (1000); reset_.set (); ucoo::delay_us (100); reset_.reset (); int freq = 1000000 / sck_duration_us; spi_.enable (freq, ucoo::SPI_MODE_0); } void disable () { spi_.disable (); reset_.input (); active_ = false; } void sck_pulse () { sck_.toggle (); ucoo::delay_us (100); sck_.toggle (); } bool active () const { return active_; } private: ucoo::Io &reset_; ucoo::Io &sck_; ucoo::SpiSoftMaster spi_; bool active_; }; void zb_avrisp (ucoo::Stream &s) { ucoo::Gpio reset (GPIOD, 10), sck (GPIOE, 7), mosi (GPIOD, 8), miso (GPIOD, 9); ZbAvrIspIntf intf (reset, sck, mosi, miso); ucoo::AvrIsp isp (intf); ucoo::AvrIspProto proto (isp); ucoo::AvrIspFrame frame (proto); while (intf.active ()) frame.read_and_write (s); }