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project/ble_peripheral/ble_app_vivaMayo/mcp4725_i2c.h

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+/*******************************************************************************
+ * @file	mcp4725_i2c.h
+ * @author	CandyPops Co.
+ * @version	V1.0.0
+ * @date	2022-09-05
+ * @brief   
+ ******************************************************************************/
+#include "sdk_common.h"
+			
+#include <stdbool.h>
+#include "nrf.h"
+#include "nrf_drv_gpiote.h"
+#ifndef _MCP4725_I2C_H_
+#define _MCP4725_I2C_H_
+
+#define MCP4725_I2C_SDA_PIN    	NRF_GPIO_PIN_MAP(1,15)//cj edit
+#define MCP4725_I2C_SCL_PIN    	NRF_GPIO_PIN_MAP(1,14) //cd eidt 
+
+#define SDA_H()					nrf_gpio_pin_set(MCP4725_I2C_SDA_PIN) 							// SDA pin high
+#define SDA_L()					nrf_gpio_pin_clear(MCP4725_I2C_SDA_PIN) 						// SDA pin low
+#define SCL_H()					nrf_gpio_pin_set(MCP4725_I2C_SCL_PIN) 							// SCL pin high
+#define SCL_L()					nrf_gpio_pin_clear(MCP4725_I2C_SCL_PIN) 						// SCL pin low
+#define SDA_OUT()				nrf_gpio_cfg_output(MCP4725_I2C_SDA_PIN) 						// SDA pin output mode
+#define SCL_OUT()				nrf_gpio_cfg_output(MCP4725_I2C_SCL_PIN) 						// SCL pin output mode
+#define SDA_IN()				nrf_gpio_cfg_input(MCP4725_I2C_SDA_PIN, NRF_GPIO_PIN_NOPULL) 	// SDA pin input mode
+#define SDA_READ()				nrf_gpio_pin_read(MCP4725_I2C_SDA_PIN) 							// SDA pin read
+#define SCL_READ()				nrf_gpio_pin_read(MCP4725_I2C_SCL_PIN) 							// SCL pin read
+#define i2c_delay()				nrf_delay_us(1)													// delay time for 400khz clock  1
+#define i2c_clock()				{ i2c_delay(); SCL_H(); i2c_delay(); SCL_L(); }
+#define i2c_start()				{ SDA_H(); i2c_delay(); SCL_H(); i2c_delay(); SDA_L(); i2c_delay(); SCL_L(); i2c_delay();}
+#define i2c_stop()				{ SDA_L(); i2c_delay(); SCL_H(); i2c_delay(); SDA_H(); i2c_delay(); }
+
+#define TWI_WRITE				0x00
+#define TWI_READ				0x01
+
+#define ACK						true
+#define NACK					false
+
+#define DAC_write				false
+#define EEPROM_write			true
+
+// constants
+#define MCP4725_MAXVALUE        4095
+
+// registerMode
+#define MCP4725_DAC             0x40
+#define MCP4725_DACEEPROM       0x60
+
+// reset & wake up
+#define MCP4725_GC_RESET        0x06
+#define MCP4725_GC_WAKEUP       0x09
+
+// powerDown Mode - TODO ENUM?
+#define MCP4725_PDMODE_NORMAL   0x00
+#define MCP4725_PDMODE_1K       0x01
+#define MCP4725_PDMODE_100K     0x02
+#define MCP4725_PDMODE_500K     0x03
+
+void mcp4725_i2c_initialize(void);
+void mcp4725_writeFastMode(const uint16_t value);
+void mcp4725_generalCall(const uint8_t gc);
+void mcp4725_init(void);
+void mcp4725_powerOnReset(void);
+void mcp4725_powerOnWakeUp(void);
+void mcp4725_PowerDownMode(void);
+
+/* * * * * * * * * * * * * * * * * * * * */
+
+uint16_t mcp4725_readDAC(void);
+bool mcp4725_ready(void);
+uint16_t mcp4725_readDAC(void);
+bool mcp4725_ready(void);
+
+void mcp4725_writeRegisterMode(const uint16_t value, uint8_t reg);
+void mcp4725_readRegister(uint8_t* buffer, const uint8_t length);
+void mcp4725_setValue(const uint16_t value);
+uint16_t mcp4725_getValue(void);
+void mcp4725_setPercentage(float percentage);
+void mcp4725_writeDAC(const uint16_t value, const bool EEPROM);
+uint16_t mcp4725_readEEPROM(void);
+void mcp4725_writePowerDownMode(const uint8_t PDM, const bool EEPROM);
+uint8_t mcp4725_readPowerDownModeEEPROM(void);
+uint8_t mcp4725_readPowerDownModeDAC(void);
+
+
+
+void DS3930_write(uint8_t id, uint8_t addr, uint8_t wdata);
+uint8_t DS3930_read(uint8_t id, uint8_t addr, uint8_t* rdata);
+
+
+#endif /* !_MCP4725_I2C_H_ */
+