summaryrefslogtreecommitdiffhomepage
path: root/digital/beacon/src/debug.c
diff options
context:
space:
mode:
Diffstat (limited to 'digital/beacon/src/debug.c')
-rw-r--r--digital/beacon/src/debug.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/digital/beacon/src/debug.c b/digital/beacon/src/debug.c
new file mode 100644
index 00000000..4b8b8c0b
--- /dev/null
+++ b/digital/beacon/src/debug.c
@@ -0,0 +1,78 @@
+/* debug.c */
+/* Beacon debug interface. {{{
+ *
+ * Copyright (C) 2012 Florent Duchon
+ *
+ * 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 "configuration.h"
+#include "debug.h"
+
+
+HAL_UsartDescriptor_t appUsartDescriptor; // USART descriptor (required by stack)
+uint8_t usartRxBuffer[APP_USART_RX_BUFFER_SIZE]; // USART Rx buffer
+uint8_t usartTxBuffer[APP_USART_TX_BUFFER_SIZE]; // USART Tx buffer
+
+/* This function initializes the USART interface for debugging on avr */
+ void initSerialInterface(void)
+ {
+ appUsartDescriptor.tty = USART_CHANNEL;
+ appUsartDescriptor.mode = USART_MODE_ASYNC;
+ appUsartDescriptor.baudrate = USART_BAUDRATE_38400;
+ appUsartDescriptor.dataLength = USART_DATA8;
+ appUsartDescriptor.parity = USART_PARITY_EVEN;
+ appUsartDescriptor.stopbits = USART_STOPBIT_1;
+ appUsartDescriptor.rxBuffer = usartRxBuffer;
+ appUsartDescriptor.rxBufferLength = sizeof(usartRxBuffer);
+ appUsartDescriptor.txBuffer = NULL; // use callback mode
+ appUsartDescriptor.txBufferLength = 0;
+ appUsartDescriptor.rxCallback = usartRXCallback;
+ appUsartDescriptor.txCallback = NULL;
+ appUsartDescriptor.flowControl = USART_FLOW_CONTROL_NONE;
+ OPEN_USART(&appUsartDescriptor);
+ }
+
+
+/* RX USART Callback */
+void usartRXCallback(uint16_t bytesToRead)
+{
+ uint8_t rxBuffer;
+ READ_USART(&appUsartDescriptor,&rxBuffer,1);
+
+ switch(rxBuffer)
+ {
+ case 'o':
+ break;
+ /* Default */
+ default :
+ uprintf(" ?? Unknown command ??\r\n");
+ }
+}
+#include <stdarg.h>
+/* This function sends data string via the USART interface */
+void uprintf(char *format, ...)
+{
+ va_list args;
+ va_start(args,format);
+ vsprintf(usartTxBuffer,format,args);
+ WRITE_USART(&appUsartDescriptor,usartTxBuffer,strlen(usartTxBuffer));
+ va_end(args);
+}