STM32 C/C++ build environment using CodeSourcery Sourcery G++

[lanchon]

Posted on November 25, 2009 at 04:13

STM32 C/C++ build environment using CodeSourcery Sourcery G++

#fyi

[ram2]

Posted on May 17, 2011 at 12:25

Great work lanchon, I wonder if you have any update since then.

I have tried compiling using the whole pack of ST-Arm_Toolchain_2.1 and it works fine except a few glitches(some minor, some major) and code size difference.

This will be a great thing for my next Xduino (www.xduino.com) project to include a full IDE along with it so developer can use opensource IDE, compiler as well as opensource platform for simple programming.

Did you find any bug in the compiler? I find some output differences from Keil and IAR (some how my serial port mysteriously starts with 7-bit mode instead of 8-bit and maybe other things I cannot fully confirm).

Great work... :D and thank you.

[ram2]

Posted on May 17, 2011 at 12:25

Interrupt is a tricky one. Try the xduino library it has sources on simple implementation of interrupt along with examples on the site. : -) good luck...

[vaclav]

Posted on May 17, 2011 at 12:25

Hello all,

I downloaded arm-none-eabi-gcc (Sourcery G++ Lite 2009q1-161) 4.3.3 and tried the sample application from Lanchon's RC2 zip file in this thread - only LED is moved to RB1. But it does not work.

I even tried simple LED blink application (listing is below).

I am downloading the app by stm32 flash loader - so the chip works. I can read the data back. Does anybody have a clue what am I doing wrong ?

1.elf: file format elf32-littlearm

Disassembly of section .text:

00000000 :

0: 00 08 00 20 21 00 00 00 b5 00 00 00 bd 00 00 00 ... !...........

...

00000020 :

/* } */

volatile unsigned int icnt;

int main ( void )

{

20: b480 push {r7}

22: b083 sub sp, #12

24: af00 add r7, sp, #0

unsigned char lpos = 0;

26: f04f 0300 mov.w r3, #0 ; 0x0

2a: 71fb strb r3, [r7, #7]

GPIOB_CRL = 0x44444111;

2c: f640 4200 movw r2, #3072 ; 0xc00

30: f2c4 0201 movt r2, #16385 ; 0x4001

34: f244 1311 movw r3, #16657 ; 0x4111

38: f2c4 4344 movt r3, #17476 ; 0x4444

3c: 6013 str r3, [r2, #0]

GPIOB_ODR = 0x00000005;

3e: f640 430c movw r3, #3084 ; 0xc0c

42: f2c4 0301 movt r3, #16385 ; 0x4001

46: f04f 0205 mov.w r2, #5 ; 0x5

4a: 601a str r2, [r3, #0]

while( 1) {

for(icnt = 0; icnt < 65000; icnt++) ;

4c: f240 0300 movw r3, #0 ; 0x0

50: f2c2 0300 movt r3, #8192 ; 0x2000

54: f04f 0200 mov.w r2, #0 ; 0x0

58: 601a str r2, [r3, #0]

5a: e00b b.n 74

5c: f240 0300 movw r3, #0 ; 0x0

60: f2c2 0300 movt r3, #8192 ; 0x2000

64: 681b ldr r3, [r3, #0]

66: f103 0201 add.w r2, r3, #1 ; 0x1

6a: f240 0300 movw r3, #0 ; 0x0

6e: f2c2 0300 movt r3, #8192 ; 0x2000

72: 601a str r2, [r3, #0]

74: f240 0300 movw r3, #0 ; 0x0

78: f2c2 0300 movt r3, #8192 ; 0x2000

7c: 681a ldr r2, [r3, #0]

7e: f64f 53e7 movw r3, #64999 ; 0xfde7

82: 429a cmp r2, r3

84: d9ea bls.n 5c

lpos++;

86: 79fb ldrb r3, [r7, #7]

88: f103 0301 add.w r3, r3, #1 ; 0x1

8c: 71fb strb r3, [r7, #7]

lpos &= 0x07;

8e: 79fb ldrb r3, [r7, #7]

90: f003 0307 and.w r3, r3, #7 ; 0x7

94: 71fb strb r3, [r7, #7]

GPIOB_BRR = 0x0007;

96: f640 4314 movw r3, #3092 ; 0xc14

9a: f2c4 0301 movt r3, #16385 ; 0x4001

9e: f04f 0207 mov.w r2, #7 ; 0x7

a2: 601a str r2, [r3, #0]

GPIOB_BSRR = lpos;

a4: f640 4310 movw r3, #3088 ; 0xc10

a8: f2c4 0301 movt r3, #16385 ; 0x4001

ac: 79fa ldrb r2, [r7, #7]

ae: 601a str r2, [r3, #0]

b0: e7cc b.n 4c

b2: bf00 nop

000000b4 :

/* return 0; */

/* } */

void isr_nmi( void)

{

b4: b480 push {r7}

b6: af00 add r7, sp, #0

b8: e7fe b.n b8

ba: bf00 nop

000000bc :

while(1);

}

void isr_hardfault( void)

{

bc: b480 push {r7}

be: af00 add r7, sp, #0

c0: e7fe b.n c0

c2: bf00 nop

[ This message was edited by: vaclav.peroutka on 25-11-2009 08:46 ]

[stm2399]

Posted on August 28, 2011 at 21:27

The attachments are lost

Would it be possible to reattach them

TIA

Bingo

[tsx512]

Posted on April 01, 2015 at 18:59

Hi andreas1,

I saw in your postingm, that you have wrote a GDB STUB for the STM32. I am very interested in details, may the source code.

I am looking for a long time for solution to have GDB connected to the target microcontroller without using JTAG or SWD.

Would be happy to get an answer.

Tom

[Tesla DeLorean]

Posted on April 01, 2015 at 20:45

Understand that these posts are in fact from 2008, after at least two forum meltdowns, and rebuilds. And it's highly unlikely that these participants are monitoring the forum currently.