universal_drivers/pcf8574_driver
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test

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This commit is contained in:
Christian L. V. Madsen
2024-08-17 13:42:34 +02:00
parent ed36495f58
commit a13b50e47f
2 changed files with 69 additions and 3 deletions
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13
cm_pcf8574_driver.h
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@@ -8,11 +8,19 @@
#ifndef PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_
#define PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_
#include "stdint.h"
enum{
CM_PCF8574_OK = 0,
CM_PCF8574_NOK
};
enum{
CM_PCF8574_I2C_GET = 0,
CM_PCF8574_I2C_SET = 1,
};
typedef int (*setGet_I2C_Event_fpt)(void *inst, uint8_t *data, uint32_t len, uint8_t set_get);
@@ -38,7 +46,8 @@ typedef struct{
}cm_pcf8574_t;
int cm_pcf8574_RegTransEvt(cm_pcf8574_t inst, void i2c_inst, setGet_I2C_Event_fpt i2c_transfer_evt);
int cm_pcf8574_init(cm_pcf8574_t *inst);
int cm_pcf8574_SetPort(cm_pcf8574_t *inst, uint8_t port_val);
int cm_pcf8574_RegTransEvt(cm_pcf8574_t *inst, void *i2c_inst, setGet_I2C_Event_fpt i2c_transfer_evt);
int cm_pcf8574_Init(cm_pcf8574_t *inst);
#endif /* PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_ */