Added basic settings functionality in pios_settings.

Updated pios_uart to use settings.
Added basic Settings.ini file for reference.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@7 ebee16cc-31ac-478f-84a7-5cbb03baadba

flight/doc/SDCard Files/Settings.ini

@@ -0,0 +1,15 @@
+#
+# Basic Settings File for Open Pilot
+# The OpenPilot Team, http://www.openpilot.org, Copyright (C) 2009.
+#
+
+[GPS]
+Baudrate = 57600
+
+[Telemetry]
+Baudrate = 19200
+
+[Auxillary_UART]
+# !!WARNING!! Enabling this will DISABLE RC input 5 and 6
+Enabled = 0
+Baudrate = 19200

flight/sys/pios.h

@@ -8,9 +8,6 @@
  * PiOS header. Central header for the project
  *
  * @see The GNU Public License (GPL) 
-
-*    
- * @see The GNU Public License (GPL)
  */
 /* 
  * This program is free software; you can redistribute it and/or modify 
@@ -45,6 +42,9 @@
 #include <ff.h>
 #include <diskio.h>
 
+/* minIni Functions */
+#include <minIni.h>
+
 /* Include Flyingfox Hardware Header Files */
 #include <pios_board.h>
 #include <pios_sys.h>

flight/sys/pios_board.h

@@ -29,6 +29,11 @@
 #ifndef PIOS_BOARD_H
 #define PIOS_BOARD_H
 
+//------------------------
+// Default File Settings
+//------------------------
+#define SETTINGS_FILE			"Settings.ini"
+
 //------------------------
 // DMA Channels Used
 //------------------------
@@ -199,7 +204,7 @@
 #define PERIPHERAL_CLOCK    (MASTER_CLOCK/2)
 
 //-------------------------
-// USB
+// Interrupt Priorities
 //-------------------------
 #define IRQ_PRIO_LOW		12			// lower than RTOS
 #define IRQ_PRIO_MID		8			// higher than RTOS

flight/sys/pios_settings.c

@@ -29,4 +29,28 @@
 #include "pios.h"
 
 /* Local Variables */
+SettingsTypeDef Settings;
 
+/* Loads Settings from INI file 																			*/
+/* Value Reading:	ini_getl("Section", "Key", (DefaultValue), IniFile);									*/
+/* String Reading:	ini_gets("Section", "Key", "DefaultValue", StrBuffer, sizearray(StrBuffer), IniFile); 	*/
+void LoadSettings(void)
+{
+	char StrBuffer[100];
+	long Result;
+	
+	/* Section: GPS */
+	Settings.GPSUART.Baudrate = ini_getl("GPS", "Baudrate", GPS_BAUDRATE, SETTINGS_FILE);
+	
+	/* Section: Telemetry */
+	Settings.GPSUART.Baudrate = ini_getl("Telemetry", "Baudrate", TELEM_BAUDRATE, SETTINGS_FILE);
+	
+	/* Section: Auxillary_UART */
+	Settings.AuxUART.Enabled = ini_getl("Auxillary_UART", "Enabled", AUXUART_ENABLED, SETTINGS_FILE);
+	Settings.AuxUART.Baudrate = ini_getl("Auxillary_UART", "Baudrate", AUXUART_BAUDRATE, SETTINGS_FILE);
+}
+
+int foo(void)
+{
+	return 0;
+}

flight/sys/pios_settings.h

@@ -28,23 +28,39 @@
 #ifndef PIOS_SETTINGS_H
 #define PIOS_SETTINGS_H
 
-/* Global Defines */
+/* Default Values */
+/* GPSUART Default Values */
+#define GPS_BAUDRATE		19200
+
+#define TELEM_BAUDRATE			19200
+
+#define AUXUART_ENABLED			1
+#define AUXUART_BAUDRATE		19200
 
 /* Global types */
+typedef struct {
+	uint32_t Baudrate;
+} GPSSettingsTypeDef;
+
+typedef struct {
+	uint32_t Baudrate;
+} TelemSettingsTypeDef;
+
 typedef struct {
 	bool Enabled;
-	uint32_t Baud;
+	uint32_t Baudrate;
 } UARTSettingsTypeDef;
 
 typedef struct {
-	UARTSettingsTypeDef GPSUART;
-	UARTSettingsTypeDef TELEMUART;
-	UARTSettingsTypeDef AUXUART;
+	GPSSettingsTypeDef GPS;
+	TelemSettingsTypeDef Telem;
+	UARTSettingsTypeDef AuxUART;
 } SettingsTypeDef;
 
 /*Global Veriables */
 extern SettingsTypeDef Settings;
 
 /* Function Prototypes */
+void LoadSettings(void);
 
 #endif /* PIOS_SETTINGS_H */

flight/sys/pios_sys.c

@@ -28,32 +28,27 @@
 /* Project Includes */
 #include "pios.h"
 
-/*Global Variables */
-SettingsTypeDef Settings;
-
 /* Local Variables */
 FATFS Fatfs[_DRIVES];	// File system object for each logical drive */
 
 void SysInit(void)
 {
-	/* Setup STM32 system (clock, PLL and Flash configuration) - CMSIS Function */
+	/* Setup STM32 system (RCC, clock, PLL and Flash configuration) - CMSIS Function */
 	SystemInit();
 	
-	/* RRC Init??? */
-
-	/* Initialize LEDs */
-	LED_INIT();
-	
 	/* Initialize NVIC */
 	NVIC_Configuration();
 	
+	/* Initialize LEDs */
+	LED_INIT();
+	
 	/* Initialize FatFS disk */
 	if(f_mount(0, &Fatfs[0]) != FR_OK)
 	{
 		//Failed to mount MicroSD filesystem, should we do something?
 	}
 	
-	//InitSettings(&Settings);
+	LoadSettings();
 	
 }
 

flight/sys/pios_uart.c

@@ -81,10 +81,10 @@ void UARTInit(void)
 	USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
 	USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
 	
-	USART_InitStructure.USART_BaudRate = GPS_BAUD;
+	USART_InitStructure.USART_BaudRate = Settings.GPS.Baudrate;
 	USART_Init(GPS_UART, &USART_InitStructure);
 	
-	USART_InitStructure.USART_BaudRate = TELEM_BAUD;
+	USART_InitStructure.USART_BaudRate = Settings.Telem.Baudrate;
 	USART_Init(TELEM_UART, &USART_InitStructure);
 	
 	/* Enable UART Receive and Transmit interrupts */