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Start fixing code for real usage

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This commit is contained in:
Edward Emelianov
2025-09-14 23:15:57 +03:00
parent d790a1610d
commit ec8d56c4ae
4 changed files with 202 additions and 137 deletions
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30
F3:F303/I2C_scan/i2c.h
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@@ -19,32 +19,36 @@
#pragma once
#include <stdint.h>
#define I2C_ADDREND (0x80)
#define I2C_ADDREND (0x80)
#define I2C_BUFSIZE (256)
typedef enum{
VERYLOW_SPEED,
LOW_SPEED,
HIGH_SPEED,
CURRENT_SPEED
} I2C_SPEED;
I2C_SPEED_10K,
I2C_SPEED_100K,
I2C_SPEED_400K,
I2C_SPEED_1M,
I2C_SPEED_2M, // EXPERIMENTAL! Could be unstable!!! (speed near 1.9Mbaud)
I2C_SPEED_AMOUNT
} i2c_speed_t;
extern I2C_SPEED curI2Cspeed;
extern volatile uint8_t I2C_scan_mode;
extern i2c_speed_t i2c_curspeed;
extern volatile uint8_t i2c_scanmode, i2c_got_DMA;
// timeout of I2C bus in ms
#define I2C_TIMEOUT (100)
void i2c_setup(I2C_SPEED speed);
uint8_t read_i2c(uint8_t addr, uint8_t *data, uint8_t nbytes);
uint8_t read_i2c_reg(uint8_t addr, uint8_t reg, uint8_t *data, uint8_t nbytes);
uint8_t read_i2c_reg16(uint8_t addr, uint16_t reg16, uint8_t *data, uint8_t nbytes);
void i2c_setup(i2c_speed_t speed);
uint8_t *read_i2c(uint8_t addr, uint8_t nbytes);
uint8_t *read_i2c_reg(uint8_t addr, uint8_t reg, uint8_t nbytes);
uint16_t *read_i2c_reg16(uint8_t addr, uint16_t reg16, uint8_t nbytes);
uint8_t write_i2c(uint8_t addr, uint8_t *data, uint8_t nbytes);
uint8_t write_i2c_dma(uint8_t addr, uint8_t *data, uint8_t nbytes);
uint8_t read_i2c_dma(uint8_t addr, uint8_t nbytes);
void i2c_bufdudump();
void i2c_have_DMA_Rx();
int i2cdma_haderr();
void endianness(uint8_t isbig);
int i2c_getwords(uint16_t *buf, int bufsz);
void i2c_init_scan_mode();
int i2c_scan_next_addr(uint8_t *addr);