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Add DMA to I2C reading/writing

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This commit is contained in:
Edward Emelianov
2023-01-08 18:37:08 +03:00
parent dd8d567464
commit c76d7aacb0
10 changed files with 251 additions and 101 deletions
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7
G0:G070/i2c/i2c.h
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@@ -17,6 +17,7 @@
*/
#pragma once
#include <stdint.h>
#define I2C_ADDREND (0x80)
@@ -38,6 +39,12 @@ 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);
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 i2c_init_scan_mode();
int i2c_scan_next_addr(uint8_t *addr);