WL18xx Antenna Configuration

Functions
void	sd_wl18xx_ant_config (uint8_t ant)
	WL18xx Antenna Configuration Outputs antenna select pins for the wireless module. More...

Detailed Description

Function Documentation

sd_wl18xx_ant_config()

void sd_wl18xx_ant_config

(

uint8_t

ant

)

#include <Src/sd_platform.c>

WL18xx Antenna Configuration Outputs antenna select pins for the wireless module.

Parameters

ant	Value defining antenna configuration (two LSBs used)

Return values

None

{
    GPIO_PinState ant_select_1, ant_select_2;
 
    /* Check that the antenna selection is valid */
    if (!IS_WL18xx_ANTENNA_MODE(ant))
        return;

    /* Determine antenna select pins from bits */
    ant_select_1 = (ant & 0x01) ? GPIO_PIN_SET : GPIO_PIN_RESET;
    ant_select_2 = (ant & 0x02) ? GPIO_PIN_SET : GPIO_PIN_RESET;

    /* Output GPIO selection pins */
    HAL_GPIO_WritePin(ANT_SELECT_1_GPIO_Port, ANT_SELECT_2_Pin,
              ant_select_1);                           
    HAL_GPIO_WritePin(ANT_SELECT_2_GPIO_Port, ANT_SELECT_2_Pin,
              ant_select_2);     
}