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- #ifndef MAX9850_H__
- #define MAX9850_H__
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include <stdint.h>
- #include "nrf_drv_twi.h"
- #define MAX9850_DEFAULT_TWI_CONFIG(scl_pin, sda_pin) { \
- .scl = scl_pin, \
- .sda = sda_pin, \
- .frequency = NRF_DRV_TWI_FREQ_100K, \
- .interrupt_priority = APP_IRQ_PRIORITY_HIGH, \
- .clear_bus_init = false, \
- .hold_bus_uninit = false \
- }
- typedef struct {
- uint8_t status_a;
- uint8_t status_b;
- uint8_t volume;
- uint8_t general_purpose;
- uint8_t interrupt_enable;
- uint8_t enable;
- uint8_t clock;
- uint8_t charge_pump;
- uint8_t lrclk_msb;
- uint8_t lrclk_lsb;
- uint8_t digital_audio;
- } max9850_regmap_t;
- #define MAX9850_DEFAULT_REGMAP() { \
- .status_a = 0, \
- .status_b = 0, \
- .volume = 0x0C, \
- .general_purpose = 0, \
- .interrupt_enable = 0, \
- .enable = 0, \
- .clock = 0, \
- .charge_pump = 0, \
- .lrclk_msb = 0, \
- .lrclk_lsb = 0, \
- .digital_audio = 0, \
- }
- #define MAX9850_TWI_ADDR(v) (0x10 + (v))
- typedef struct {
- nrf_drv_twi_t twi;
- nrf_drv_twi_config_t twi_cfg;
- max9850_regmap_t regmap;
- uint8_t twi_addr;
- } max9850_config_t;
- ret_code_t max9850_init(max9850_config_t const * p_max9850);
- #ifdef __cplusplus
- }
- #endif
- #endif
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