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authorChristian Pointner <equinox@spreadspace.org>2016-05-04 20:29:32 +0200
committerChristian Pointner <equinox@spreadspace.org>2016-05-04 20:29:32 +0200
commit10fe451fed560b6c9cc16383f8b625f8a2741fac (patch)
treefd021c39496090c658631823269a2a9349edde74 /serial-pjon
parentusb-pjon sending works now... recv still needs testing (diff)
added serial pjon example... pjon receive works now as well
Diffstat (limited to 'serial-pjon')
-rw-r--r--serial-pjon/Makefile34
-rw-r--r--serial-pjon/serial-pjon.cpp116
2 files changed, 150 insertions, 0 deletions
diff --git a/serial-pjon/Makefile b/serial-pjon/Makefile
new file mode 100644
index 0000000..cf72c01
--- /dev/null
+++ b/serial-pjon/Makefile
@@ -0,0 +1,34 @@
+##
+## spreadspace avr utils
+##
+##
+## Copyright (C) 2013-2015 Christian Pointner <equinox@spreadspace.org>
+##
+## This file is part of spreadspace avr utils.
+##
+## spreadspace avr utils 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 3 of the License, or
+## any later version.
+##
+## spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+##
+
+NAME := serial-pjon
+BOARD_TYPE := arduino2009v2
+OBJ := $(NAME).o
+LIBS := util led serialio
+CXX_LIBS := arduino-stub
+EXTERNAL_LIBS := pjon
+SPREADAVR_PATH := ..
+
+PJON_PATH := $(SPREADAVR_PATH)/contrib/PJON
+PJON_OPTS :=
+
+include $(SPREADAVR_PATH)/include.mk
diff --git a/serial-pjon/serial-pjon.cpp b/serial-pjon/serial-pjon.cpp
new file mode 100644
index 0000000..194edc7
--- /dev/null
+++ b/serial-pjon/serial-pjon.cpp
@@ -0,0 +1,116 @@
+/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013-2015 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of spreadspace avr utils.
+ *
+ * spreadspace avr utils 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 3 of the License, or
+ * any later version.
+ *
+ * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/interrupt.h>
+#include <avr/power.h>
+#include <stdio.h>
+
+#include "util.h"
+#include "led.h"
+#include "serialio.h"
+
+#include "Arduino.h"
+#include "PJON.h"
+
+PJON bus(8); // Bus connection to pin 8
+
+void error_handler(uint8_t code, uint8_t data) {
+ if(code == CONNECTION_LOST) {
+ printf("Connection with device ID %d is lost.\r\n", data);
+ }
+ if(code == PACKETS_BUFFER_FULL) {
+ printf("Packet buffer is full, has now a length of %d\r\n", data);
+ printf("Possible wrong bus configuration!\r\n");
+ printf("higher MAX_PACKETS in PJON.h if necessary.\r\n");
+ }
+ if(code == MEMORY_FULL) {
+ printf("Packet memory allocation failed. Memory is full.\r\n");
+ }
+ if(code == CONTENT_TOO_LONG) {
+ printf("Content is too long, length: %d\r\n", data);
+ }
+ if(code == ID_ACQUISITION_FAIL) {
+ printf("Can't acquire a free id %d\r\n", data);
+ }
+}
+
+void recv_handler(uint8_t length, uint8_t *payload) {
+ if(length == 0) {
+ printf("got 0 byte message...\r\n");
+ return;
+ }
+ led_on();
+ printf("got message(%d bytes): '", length);
+ for(uint16_t i = 0; i < length; ++i)
+ putchar(payload[i]);
+ printf("'\r\n");
+ delay(30);
+ led_off();
+}
+
+
+void handle_cmd(uint8_t cmd)
+{
+ switch(cmd) {
+ case '1': case '2': case '3':
+ case '4': case '5': case '6':
+ case '7': case '8': case '9': bus.set_id(cmd - '0'); printf("device id is now: %d\r\n", cmd - '0'); break;
+ case 'b': bus.send(BROADCAST, "hello world", 11); break;
+ case 's': bus.send(9, "hi!", 3); break;
+ case '!': reset2bootloader(); break;
+ default: printf("error\r\n"); return;
+ }
+ printf("ok\r\n");
+}
+
+int main(void)
+{
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ cpu_init();
+ led_init();
+ serialio_init(57600, 0);
+ sei();
+
+ arduino_init();
+ bus.begin();
+ bus.set_error(error_handler);
+ bus.set_receiver(recv_handler);
+
+ for(;;) {
+ int16_t BytesReceived = serialio_bytes_received();
+ while(BytesReceived > 0) {
+ int ReceivedByte = fgetc(stdin);
+ if(ReceivedByte != EOF) {
+ handle_cmd(ReceivedByte);
+ }
+ BytesReceived--;
+ }
+
+ serialio_task();
+ bus.update();
+ bus.receive(50);
+ }
+}