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CPU halts on slave I2C bus shut down

Posted on August 09, 2015 at 15:05The original post was too long to process during our migration. Please click on the attachment to read the original post.

h2399 by • Associate II
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  • 3 replies
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UART is working only when jlink (IAR pod) is connected

Posted on August 09, 2015 at 16:02Hi All, I'm working on custom board that inlcude stm32l152. I've notice that i can't receive external intterupt on UART3 while JTAG pod is disconnected , why so ? Please advice, Thanks in advance. #uart #jtag-clk

moran by • Associate II
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  • 5 replies
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My LCD doesn't work (How does FSMC work?)

Posted on August 09, 2015 at 16:17 Hi everybody I'm trying to operate my LCD via FSMC but it doesn't work. this is the pinout of the LCD: http://img4.uplood.fr/free/sh8w_20150809_1755jpg These pins are NC(not connected) in...

STM32 LwIP ?

Posted on July 11, 2015 at 13:22Guys, Where can I find the file that defining IP address on LwIP application ? I generated from STM32CubeMx... Thanks

DMA to TIM3 CCR1 problem!

Posted on August 08, 2015 at 05:21 Hi! Device is STM32F103C8 A update event from TIM4 is used to trigger DMA channel7 who then is supposed to transfer 9 values in circular mode to TIM3 CCR1. However the DMA transfers only one value and th...

When does a CAN bus wake up a CPU?

Posted on August 01, 2015 at 15:43I have an idea about a CAN bus with 100-150 devices and a central processor. But we have very limited power available. All but one device should be awake at one time. There is no power to keep 100 CPUs active simult...

LMI2 by • Lead
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  • 4 replies
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Oscillator configuration error on SW 1.3

Posted on August 08, 2015 at 15:20 Hi, I've been working with SW 1.2 and integrated cube MX on my custom board. It has a stm32f411re with a TI audio codec. I could make a project on cubemx, on it I configure the occillator to HSE 12MHz crysta...

how to override printf to USART transfer with DMA

Posted on August 08, 2015 at 04:53 Hello, I want to use USART2 of STM32 as debug output of application, so i overload printf as below: #pragma import(__use_no_semihosting) struct __FILE { int handle; } __stdout; void _sys_e...

hxf0223 by • Associate II
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  • 5 replies
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using speex library

Posted on August 04, 2015 at 08:36I used STM32F10x_AN2812_FW_V2.0.0 to have speex encoding /decoding on voice on my Discovery board. I used encoding functions and then decoding one and saved the data in .wav format using FATFS. It works very well an...

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