add_executable (example example.cpp) target_link_libraries (example Eigen3::Eigen) 1. 2. 3. 4. 5. 其中第1,2,4行都是Clion新建项目时就自动生成的,我们重点要关注的就是3,5行,注意把example换成你自己的项目名称(也就是project里面填的),NO_MODULE和版本填不填都不影响结果。Eigen是怎么解释这段内...
# CONFIG_TCP_OVERSIZE_QUARTER_MSS is not set # CONFIG_TCP_OVERSIZE_DISABLE is not set CONFIG_UDP_RECVMBOX_SIZE=6 CONFIG_TCPIP_TASK_STACK_SIZE=3072 # CONFIG_TCPIP_TASK_AFFINITY_NO_AFFINITY is not set # CONFIG_TCPIP_TASK_AFFINITY_CPU0 is not set ...
Therefore these phases need a quarter the clock cycles compared to standard SPI. In terms of performance: QIO > QOUT >> DIO > DOUT. QOUT or QIO are much faster than DIO or DOUT. ESP Easy official builds uses DIO for everything except DOUT for the smaller (1M size) units. ...
I’ve been diving down multiple rabbit holes recently with Linux onreallytiny SBCs. Nope, not the Raspberry Pi, but things that are roughly a quarter of the size and just one-quarter of the price, too. One of these is the LuckFox Pico Pro (an ARM7 board with a whopping 128MB ...
ESP32-Touch, Hall, I2C, PWM, ADC, & DAC: The ESP32s, are a series of inexpensive microcontrollers introduced in the last quarter of 2016. They are powerful systems on a chip (SoC), they replace the ESP8266, and perhaps one might even say the Arduino UNO.
CONFIG_LWIP_TCP_OOSEQ_MAX_PBUFS=4 # CONFIG_LWIP_TCP_SACK_OUT is not set CONFIG_LWIP_TCP_OVERSIZE_MSS=y # CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS is not set # CONFIG_LWIP_TCP_OVERSIZE_DISABLE is not set CONFIG_LWIP_TCP_RTO_TIME=1500 # end of TCP # # UDP # CONFIG...
Here are wire lengths for quarter-wave antennas at 915MHz and 434MHz: Frequency Length (inches) Length (mm) 915 MHz 3.07" (3 + 1/16") 78mm 434 MHz 6.47" (6 + 1/2") 164mm Powering the Board The board is nominally powered via the on-board micro-USB connector. The other end of...
A few years ago we would have needed a lot of components: Several for battery protections, several for the charger, several for load sharing. Now we have on the marketintegrated circuits that do all of these functions in a quarter of a square centimetre. ...
CONFIG_TCP_OVERSIZE_QUARTER_MSS is not set # CONFIG_TCP_OVERSIZE_DISABLE is not set CONFIG_UDP_RECVMBOX_SIZE=6 CONFIG_TCPIP_TASK_STACK_SIZE=3072 CONFIG_TCPIP_TASK_AFFINITY_NO_AFFINITY=y # CONFIG_TCPIP_TASK_AFFINITY_CPU0 is not set # CONFIG_TCPIP_TASK_AFFINITY_CPU1 is not set ...
• comm_cnt, bit 2-4: count the read/write communication. Each time the ESP8266 SDIO module finishes an effective packet-reading/packet-writing, the count will increase by 1. Therefore, the host can judge whether a read/write communication has been effectively responded by the ESP8266. ...