From ed36495f584d944091406d042305868ff86a6140 Mon Sep 17 00:00:00 2001
From: Christian Lind Madsen <chrisser1234@live.dk>
Date: Mon, 29 Jan 2024 16:46:25 +0100
Subject: [PATCH] files added

---
 cm_pcf8574_driver.c | 21 +++++++++++++++++++++
 cm_pcf8574_driver.h | 44 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 cm_pcf8574_driver.c
 create mode 100644 cm_pcf8574_driver.h

diff --git a/cm_pcf8574_driver.c b/cm_pcf8574_driver.c
new file mode 100644
index 0000000..6fef72a
--- /dev/null
+++ b/cm_pcf8574_driver.c
@@ -0,0 +1,21 @@
+/*
+ * cm_pcf8574_driver.c
+ *
+ *  Created on: 29. jan. 2024
+ *      Author: Chris
+ */
+#include "cm_pcf8574_driver.h"
+
+int cm_pcf8574_RegTransEvt(cm_pcf8574_t inst, void i2c_inst, setGet_I2C_Event_fpt i2c_transfer_evt){
+
+	if(inst == NULL) return CM_PCF8574_NOK;
+
+	inst->i2c_inst = i2c_inst;
+	inst->i2c_transfer_evt = i2c_transfer_evt;
+
+
+
+	return CM_PCF8574_OK;
+
+
+}
diff --git a/cm_pcf8574_driver.h b/cm_pcf8574_driver.h
new file mode 100644
index 0000000..161e015
--- /dev/null
+++ b/cm_pcf8574_driver.h
@@ -0,0 +1,44 @@
+/*
+ * cm_pcf8574_driver.h
+ *
+ *  Created on: 29. jan. 2024
+ *      Author: Chris
+ */
+
+#ifndef PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_
+#define PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_
+
+enum{
+	CM_PCF8574_OK = 0,
+	CM_PCF8574_NOK
+};
+
+typedef int (*setGet_I2C_Event_fpt)(void *inst, uint8_t *data, uint32_t len, uint8_t set_get);
+
+
+typedef struct{
+
+	uint8_t B0 : 1;
+	uint8_t B1 : 1;
+	uint8_t B2 : 1;
+	uint8_t B3 : 1;
+	uint8_t B4 : 1;
+	uint8_t B5 : 1;
+	uint8_t B6 : 1;
+	uint8_t B7 : 1;
+
+}cm_io_port_t;
+
+typedef struct{
+	void *i2c_inst;
+	setGet_I2C_Event_fpt i2c_transfer_evt;
+
+	cm_io_port_t Port_1;
+
+
+}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);
+
+#endif /* PCF8574_IO_EXPANDER_CM_PCF8574_DRIVER_H_ */