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Diffstat (limited to 'digital/io-hub/src/common-cc/zb_avrisp.stm32.cc')
-rw-r--r--digital/io-hub/src/common-cc/zb_avrisp.stm32.cc88
1 files changed, 88 insertions, 0 deletions
diff --git a/digital/io-hub/src/common-cc/zb_avrisp.stm32.cc b/digital/io-hub/src/common-cc/zb_avrisp.stm32.cc
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+++ b/digital/io-hub/src/common-cc/zb_avrisp.stm32.cc
@@ -0,0 +1,88 @@
+// 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);
+}
+