Extremely early stm32 work

I was bored

platformio.ini

@@ -22,6 +22,24 @@ board=teensy35
 framework=arduino
 lib_deps = EEPROM, FlexCAN
 
+[env:LaunchPad_tm4c1294ncpdt]
+platform = titiva
+framework = energia
+board = lptm4c1294ncpdt
+lib_deps = EEPROM
+
+[env:genericSTM32F103RB]
+platform = ststm32
+framework = arduino
+; framework-arduinoststm32
+board = genericSTM32F103RB
+lib_deps = EEPROM
+build_flags = -fpermissive
+
+
 [platformio]
 src_dir=speeduino
 env_default = megaatmega2560, teensy35
+;The following lines are for testing / experimentation only. Comment the line above to try them out
+;env_default = LaunchPad_tm4c1294ncpdt
+;env_default = genericSTM32F103RB

speeduino/cancomms.ino

@@ -15,6 +15,8 @@ sendcancommand is called when a comman d is to be sent via serial3 to the Can in
 //#include "globals.h"
 //#include "storage.h"
 
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega2561__)
+
 void canCommand()
 {
   switch (Serial3.read())
@@ -92,3 +94,8 @@ void sendCancommand(uint8_t cmdtype, uint16_t canaddress, uint8_t candata1, uint
     }
 }
 
+#else
+void canCommand() { return; }
+void sendCancommand(uint8_t cmdtype, uint16_t canaddress, uint8_t candata1, uint8_t candata2) { return; }
+
+#endif

speeduino/scheduler.h

@@ -25,14 +25,11 @@ See page 136 of the processors datasheet: http://www.atmel.com/Images/doc2549.pd
 #ifndef SCHEDULER_H
 #define SCHEDULER_H
 
-#ifdef __SAM3X8E__
- //Do stuff for ARM based CPUs 
-#else
-  #include <avr/interrupt.h> 
-  #include <avr/io.h>
-#endif
 
 #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega2561__)
+  #include <avr/interrupt.h>
+  #include <avr/io.h>
+
   //Refer to http://svn.savannah.nongnu.org/viewvc/trunk/avr-libc/include/avr/iomxx0_1.h?root=avr-libc&view=markup
   #define FUEL1_COUNTER TCNT3
   #define FUEL2_COUNTER TCNT3
@@ -129,6 +126,11 @@ See page 136 of the processors datasheet: http://www.atmel.com/Images/doc2549.pd
 
   #define MAX_TIMER_PERIOD 139808 // 2.13333333uS * 65535
   #define uS_TO_TIMER_COMPARE(uS) ((uS * 15) >> 5) //Converts a given number of uS into the required number of timer ticks until that time has passed.
+
+#elif defined(STM32_MCU_SERIES)
+  //Placeholders ONLY!
+  #define MAX_TIMER_PERIOD 139808 // 2.13333333uS * 65535
+  #define uS_TO_TIMER_COMPARE(uS) ((uS * 15) >> 5) //Converts a given number of uS into the required number of timer ticks until that time has passed.
 #endif
 
 void initialiseSchedulers();