diff options
-rw-r--r-- | lib/serialio.c | 44 | ||||
-rw-r--r-- | lib/serialio.h | 32 | ||||
-rw-r--r-- | serial-led/Makefile | 32 | ||||
-rw-r--r-- | serial-led/serial-led.c | 67 |
4 files changed, 175 insertions, 0 deletions
diff --git a/lib/serialio.c b/lib/serialio.c new file mode 100644 index 0000000..fde2935 --- /dev/null +++ b/lib/serialio.c @@ -0,0 +1,44 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2014 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 <stdio.h> + +#include "serialio.h" +#include "LUFA/Drivers/Peripheral/Serial.h" + +static FILE serial_stream; + +void serialio_init(const uint32_t baudrate, const uint8_t doublespeed) +{ + Serial_Init(baudrate, doublespeed); + Serial_CreateStream(&serial_stream); + stdin = stdout = stderr = &serial_stream; +} + +void serialio_task(void) +{ +} + +int16_t serialio_bytes_received(void) +{ + return (int16_t)Serial_IsCharReceived(); +} diff --git a/lib/serialio.h b/lib/serialio.h new file mode 100644 index 0000000..3b0781e --- /dev/null +++ b/lib/serialio.h @@ -0,0 +1,32 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2014 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/>. + */ + +#ifndef SPREADAVR_serialio_h_INCLUDED +#define SPREADAVR_serialio_h_INCLUDED + +#include <stdint.h> + +void serialio_init(const uint32_t baudrate, const uint8_t doublespeed); +void serialio_task(void); +int16_t serialio_bytes_received(void); + +#endif diff --git a/serial-led/Makefile b/serial-led/Makefile new file mode 100644 index 0000000..0ed9dd3 --- /dev/null +++ b/serial-led/Makefile @@ -0,0 +1,32 @@ +##
+## spreadspace avr utils
+##
+##
+## Copyright (C) 2013 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-led
+BOARD_TYPE := slowpandongle1
+OBJ := $(NAME).o
+LIBS := util led serialio
+EXTERNAL_LIBS := lufa
+
+LUFA_PATH := ../contrib/LUFA-120219
+LUFA_COMPONENTS := SERIAL
+
+include ../include.mk
diff --git a/serial-led/serial-led.c b/serial-led/serial-led.c new file mode 100644 index 0000000..d57636e --- /dev/null +++ b/serial-led/serial-led.c @@ -0,0 +1,67 @@ +/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013 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"
+
+void handle_cmd(uint8_t cmd)
+{
+ switch(cmd) {
+ case '0': led_off(); break;
+ case '1': led_on(); break;
+ case 't': led_toggle(); break;
+ case 'r': 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(9600, 0);
+ sei();
+
+ for(;;) {
+ int16_t BytesReceived = serialio_bytes_received();
+ while(BytesReceived > 0) {
+ int ReceivedByte = fgetc(stdin);
+ if(ReceivedByte != EOF) {
+ handle_cmd(ReceivedByte);
+ }
+ BytesReceived--;
+ }
+ serialio_task();
+ }
+}
|