30 lines
763 B
C
30 lines
763 B
C
#ifndef AD5941_PORT_H
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#define AD5941_PORT_H
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#include <stdint.h>
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#include "driver/spi_master.h"
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#include "driver/gpio.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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/* SPI host */
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#define AD594x_HOST SPI2_HOST
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/* SPI pins — match PCB net EIS_IC */
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#define PIN_NUM_MISO 13
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#define PIN_NUM_MOSI 11
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#define PIN_NUM_CLK 12
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#define PIN_NUM_CS 10
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/* AD5941 control pins */
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#define AD5940_CS_PIN PIN_NUM_CS
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#define AD5940_RST_PIN 5 /* ESP32-S3 GPIO5 → AD5941 ~RESET */
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#define AD5940_GP0INT_PIN 4 /* ESP32-S3 GPIO4 → AD5941 GPIO0 */
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void ad5941_port_init_spi(void);
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void ad5941_port_init_gpio(void);
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void ad5941_port_spi_rw(uint8_t *tx, uint8_t *rx, unsigned long len);
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#endif
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