Good afternoon, I am working with FatFS component with VFS in order to mount a FileSystem on the internal SPI flash of a Esp32S3 device. When using the fopen standard function, I manage to open my files normally when there are no spaces in the filename. As soon as I have spaces in the filename, for ...

Hello,

I am using FatFS to work with my files. The FileSystem is mounted on the internal SPI Flash.
I would like to keep FatFS please.

Sorry, but my question is not good. It should be : Do you know how "the writing" of a file in a FileSystem mounted on the Internal Flash of the chip is done ? Let's imagine I have a mp3 file with a size equal to 150Ko in PSRAM (In a buffer). Is it faster to write it in Internal Flash (with a FileSys...

Good afternoon, I am using an Esp32S3 in order to receive a file over BLE and write it in the internal Flash of the chip : - Each frame received over BLE is 237 bytes. - Each frame received is written in Flash (So 237 bytes are written each time in flash). In order to do that, the filesystem has bee...

Good morning, I have seen in the Esp32S3 reference manual that there were software innterrupts that can be triggered when writting to special registers. Do you think it is possible to trigger CPU0 software interrupt from the RISCV ULP ? My goal would be to do an action in the CPU0 (Using an interrup...

Good afternoon, I am using an Esp32S3 and I am wondering if it is possible to pilot the SDA pin of the chip when it is configured as an I2C link ? In order to configure the I2C link, I am using the standard I2C driver but I have an external chip that must be woken up periodically by pulling the SDA ...

Good morning, I am working with an Esp32S3 WROOM Module. In order to dialog with some particular chips, I had to modify the I2C esp_idf_component driver in order to add 2 methods. In order to do that, I have directly modified the I2C.C and I2C.H files that are in the : C:\Espressif\frameworks\esp-id...

Good afternoon, I have read the Esp32S3 reference manual part VDD8SPI Voltage control. Could you please explain me the difference between a configuration where the VDD_SPI is powered via 1,8V LDO Internal regulator and a configuration where VDD_SPI is powered via VDD3P3_RTC pin ? Which SPI is concer...

Good afternoon, I am working with an Esp32S3 and I have just read the Technical Reference Manual Part : 8.3 ROM Messages Printing Control In the first table (Table 8-3. Control of ROM Messages Printing to UART0), it is written in SPI Boot Mode that the register : RTC_CNTL_RTC_STORE4_REG[0] can be us...

Good morning, I have read the first document you have sent and more preceisely the Development Mode Flash Encryption. At the moment, I have many questions on this part. Could you please explain me the following points ? 1) It is written : "After encrypt, physical readout of flash will not be suffici...