About Hae Ryon Jung

Hae Ryon Jung · 2019-04-08

Hi All,I'd like to use ST25DV NFC chipset on my STM32F103x project.I have found there was X-NUCLEO-NFC04A1 evaluation kit of ST25DV supporting CubeMX.I'd like to include the firmware package of NFC04A1 on my CubeMX project to use its API.How can I do...

Hae Ryon Jung · 2018-06-24

Posted on June 25, 2018 at 07:11Hi All, I'd like to print float value with printf.when I tried, printf showed blank for float value.would you please let me know how to set TrueStudio for printing float value with printf ?I'm using STM32F103RF.Thanks...

Hae Ryon Jung · 2018-06-18

Posted on June 19, 2018 at 07:47 Hi All, I am developing driver for ADC104S021 for STM32F103 I have tried to read AD converted value from ADC via SPI, the value seemed not correct one. timing diagram as follows (from datasheet). m...

Hae Ryon Jung · 2018-06-14

Posted on June 15, 2018 at 04:35Hi All, Would you please take a look at following error of TrueStudio being happened during 'Check update' ?================Cannot complete the install because of a conflicting dependency. Software being installed: C/...

Hae Ryon Jung · 2018-06-07

Posted on June 07, 2018 at 09:34Hi All,I'm trying to communicate with M24LR16E(NFC tag IC) via I2C (STM32F103R is Master)I could find configuration register(address 2320) has initial value 0xF4.so I tried to read the configuration register, but I go...

Hae Ryon Jung · 2019-04-16

I have found document, you can use it.please refer to itThanks

Hae Ryon Jung · 2018-06-25

Posted on June 25, 2018 at 09:34please let me know how to change it, in TrueStudio

Hae Ryon Jung · 2018-06-25

Posted on June 25, 2018 at 09:51 Thanks to you all, I could print float value by adding '-u _printf_float' as you said. following captureis project property , add it like this at Settings -> C- Linker -> Command: arm-atolic-eabi-gcc -u _printf_...

Hae Ryon Jung · 2018-06-24

Posted on June 25, 2018 at 08:23my linker option is as follows.-mthumb -mcpu=cortex-m3 -T'../STM32F103RF_FLASH.ld' -specs=nosys.specs -static '-Wl,-Map=${BuildArtifactFileBaseName}.map' -Wl,--gc-sections -Wl,--defsym=malloc_getpagesize_P=0x80 -Wl,--...

Hae Ryon Jung · 2018-06-24

Posted on June 25, 2018 at 06:57Hi All, Sorry for confusing.It was caused by capacitor connected with DOUT pin, data is correctly received after removing capacitor.

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How to include ST25DV library on CUbeMX project ?

How to print float value with printf in TrueStudio ?

data from ADC104S021 via SPI seems not correct

TrueStudio update error

Cannot read config register value of M24LR16E via I2C

Re: How to include ST25DV library on CUbeMX project ?

Re: How to print float value with printf in TrueStudio ?

Re: How to print float value with printf in TrueStudio ?

Re: How to print float value with printf in TrueStudio ?

Re: data from ADC104S021 via SPI seems not correct