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Refactored I2C interface definitions, added capabilities flags for run time discovery.

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This commit is contained in:
Terje Io
2025-02-28 23:38:55 +01:00
parent 68aa11923a
commit 2d54e34339
9 changed files with 143 additions and 44 deletions
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66
plugins.h
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@@ -221,26 +221,66 @@ typedef struct {
encoder_settings_t *settings;
} encoder_t;
// EEPROM/FRAM interface
// I2C interface
typedef uint_fast16_t i2c_address_t;
typedef struct {
uint8_t address;
uint8_t word_addr_bytes;
uint16_t word_addr;
volatile uint_fast16_t count;
bool add_checksum;
uint8_t checksum;
i2c_address_t address;
union {
struct {
uint8_t cmd_bytes;
uint16_t cmd;
};
struct {
uint8_t word_addr_bytes;
uint16_t word_addr;
};
};
uint_fast16_t count;
bool no_block;
uint8_t *data;
} nvs_transfer_t;
} i2c_transfer_t;
extern nvs_transfer_result_t i2c_nvs_transfer (nvs_transfer_t *i2c, bool read);
typedef union {
uint8_t ok;
struct {
uint8_t started :1,
tx_non_blocking :1,
tx_dma :1,
unassigned :5;
};
} i2c_cap_t;
// I2C interface
// DISPLAYS:
// Interfaces
#define DISPLAY_I2C (1<<0) //!< 1
#define DISPLAY_SPI (1<<1) //!< 2
#define DISPLAY_UART (1<<2) //!< 4
// Plugins
#define DISPLAY_I2C_INTERFACE ((1<<3)|DISPLAY_I2C) //!< 9
#define DISPLAY_I2C_LEDS ((1<<4)|DISPLAY_I2C) //!< 17
#define DISPLAY_I2C_LUC ((1<<5)|DISPLAY_I2C) //!< 33
// EEPROM/FRAM:
typedef i2c_transfer_t nvs_transfer_t;
#define i2c_nvs_transfer(i2c, rd) i2c_transfer(i2c, rd)
typedef bool nvs_transfer_result_t;
#define NVS_TransferResult_OK true
// I2C interface:
typedef void (*keycode_callback_ptr)(const char c);
extern bool i2c_probe (uint_fast16_t i2c_address);
extern bool i2c_send (uint_fast16_t i2c_address, uint8_t *data, size_t size, bool block);
extern void i2c_get_keycode (uint_fast16_t i2c_address, keycode_callback_ptr callback);
extern i2c_cap_t i2c_start (void);
extern bool i2c_probe (i2c_address_t i2c_address);
extern bool i2c_send (i2c_address_t i2c_address, uint8_t *data, size_t size, bool block);
extern bool i2c_receive (i2c_address_t i2cAddr, uint8_t *buf, size_t size, bool block);
extern bool i2c_get_keycode (i2c_address_t i2c_address, keycode_callback_ptr callback);
extern bool i2c_transfer (i2c_transfer_t *i2c, bool read);
#endif