function configure_spi_pins definition can be find in pin_mux: void configure_spi_pins(uint32_t instance) { switch(instance) { case SPI0_IDX: /* SPI0 */ /* Affects PORTD_PCR0 register */ PORT_HAL_SetMuxMode(PORTD,0u,kPortMuxAlt2); /* Affects PORTD_PCR3 register */ PORT_HAL_...
CC2640R2_LAUNCHXL_SPI0_CLK | PIN_INPUT_EN | PIN_PULLDOWN, now i am init spi that time we got only 1.8V at MOSI and CLK pins actully my shift register works at more then 3.1V voltage how can i give 3.3V using spi mosi miso clk pins? for that ...
For ESP32_WROOM_32E, I can configure with AT commands using IO16 (U2RXD) / IO17 (U2TXD) UART pins. I want to use Standard SPI instead of UART. There are 4 SPI port. Which pins should I use for SPI in attachment ? pins.png (76.77 KiB) Viewed 2294 times ...
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0 is the SPI0, 1 is the SPI1. If you want to change the pin, just modify the function calling configure_spi_pins() in hardware_init: void hardware_init(void) { /* enable clock for PORTs */ CLOCK_SYS_EnablePortClock(PORTE_IDX); CLOCK_SYS_EnablePortClock(PORTD_IDX); CLOCK_SYS_Ena...