Re: How to use spi_bitbang to drive SD card

I have now turned on the debug option, started the development board and reported the following error: k210_sdinitialize: Initializing bit bang SPI for the MMC/SD slot spi_setmode: mode=0 k210_sdinitialize: Successfully initialized bit bang SPI for the MMC/SD slot k210_sdinitialize: Binding bit b

How to use spi_bitbang to drive SD card

I use spi_bitbang to drive the SD card on the k210 chip development board, referring to the content in the sam_mmcsd.c file， The following two configuration items are opened: CONFIG_SPI_BITBANG and CONFIG_MMCSD_SPI，After compiling, programming and starting, you can see /dev/mmcsd0, but when you

simulation spi driver

Have any friends done gpio simulation spi on Nuttx？

How to use the esp8266 network module？

I saw the code of esp8266 in the directory apps/netutils/esp8266, but there is no test case. How can I test esp8266 using the UART?

imxrt1176 on Nuttx

I want to ask my friends, is there anyone who supports imxrt1176 on Nuttx？At present, there are only imxrt1020, imxrt1050, imxrt1060 and imxrt1064 in the Nuttx code.

How to use the UART1-UART3 on k210

K210 can only use UART0 at present. I would like to ask my friends, who has the driver code for UART1-UART3? The current project needs to use it. It is too difficult to transplant from the official code of K210.

How to use the w5500 network module？

I saw the driver code of the w5500 on Nuttx, but I did not find any routine using these driver codes. The w5500_initialize interface has not been called by any code. Have any friends used the w5500 on nuttx? int w5500_initialize(FAR struct spi_dev_s *spi_dev, FAR const struc

Can musl libc replace the libc of nuttx system？

I am currently working on a project that I want to transplant musl LIC to nuttx to replace the built-in libc, have any friends done similar work? I want to ask how to start.Thank you.

nuttx imxrt board serial use for help

A board of our own imxrt1052, refer to nuttx/boars/arms/imxrt/imxrt1050-evk, and plan to use these serial ports /* LPUART1 */ #define GPIO_LPUART1_RX (GPIO_LPUART1_RX_1|IOMUX_UART_DEFAULT) /* GPIO_AD_B0_13 */ #define GPIO_LPUART1_TX (GPIO_LPUART1_TX_1|IOMUX_UART_DEFAULT) /* GPIO_AD_B0_12 */

Re: nuttx lora sx127x device use for help

That's what it used to be, but I used two boards to execute sx127x -r on one of the boards and sx127x -t on the other, expecting communication between the two boards, but it didn't work as expected . Do you need any other configuration? the first board: nsh> sx127x -t Start sx127x_demo LORA modul