GD32F450_BMC_BaseCode/app/bmc/AuthChip/CM_I2C.h

// CryptoMemory I2C Header File
//
// This library is used in all of the low level hardware interface for I2C communications.
//
// Revision Date      Changes
// -------- --------- -----------------------------------------------------------------
//    0.1   26 Oct 04 First Release

// Protect Library against multiple inclusion
#ifndef CM_I2C_H
#define CM_I2C_H

//#include "hal_interface_api.h"
//#include "com_gpio.h"

// -------------------------------------------------------------------------------------------------
// Other includes required by this header file
// -------------------------------------------------------------------------------------------------

#include "CM_LIB.h"

// //Ô¬¿­À¬»ø³ÌÐò
// #define CM_DETECT_PI  (*(volatile unsigned char *)(CM_PORT_CFG.ucCardSensePort+IO_PORT_IN))
// #define CM_DETECT_PD  (*(volatile unsigned char *)(CM_PORT_CFG.ucCardSensePort+IO_PORT_DIR))
// #define CM_DETECT_PIN (CM_PORT_CFG.ucCardSensePin)
// #define CM_DETECT_POL (CM_PORT_CFG.ucCardSensePolarity)
// #define CM_DETECT_IN  CM_DETECT_PD&=~(1<<CM_DETECT_PIN)
// #define CM_DETECT_RD  CM_DETECT_PI&(1<<CM_DETECT_PIN)

// #define CM_POWER_PD  (*(volatile unsigned char *)(CM_PORT_CFG.ucPowerPort+IO_PORT_DIR))
// #define CM_POWER_PO  (*(volatile unsigned char *)(CM_PORT_CFG.ucPowerPort+IO_PORT_OUT))
// #define CM_POWER_PIN (CM_PORT_CFG.ucPowerPin)
// #define CM_POWER_POL (CM_PORT_CFG.ucPowerPolarity)
// #define CM_POWER_OUT CM_POWER_PD|=(1<<CM_POWER_PIN)
// #define CM_POWER_HI  CM_POWER_PO|=(1<<CM_POWER_PIN)
// #define CM_POWER_LO  CM_POWER_PO&=~(1<<CM_POWER_PIN)
// #define CM_DATA_BIT   ((CM_DATA_PI>>CM_DATA_PIN)&1)

// #define CM_CLK_PD     (*(volatile unsigned char *)(CM_PORT_CFG.ucClockPort+IO_PORT_DIR))
// #define CM_CLK_PO     (*(volatile unsigned char *)(CM_PORT_CFG.ucClockPort+IO_PORT_OUT)) 
// #define CM_CLK_PIN    (CM_PORT_CFG.ucClockPin)

// #define CM_DATA_PI    (*(volatile unsigned char *)(CM_PORT_CFG.ucDataPort+IO_PORT_IN))
// #define CM_DATA_PD    (*(volatile unsigned char *)(CM_PORT_CFG.ucDataPort+IO_PORT_DIR))
// #define CM_DATA_PO    (*(volatile unsigned char *)(CM_PORT_CFG.ucDataPort+IO_PORT_OUT))
// #define CM_DATA_PIN   (CM_PORT_CFG.ucDataPin)

// #define rPIOA_OER   (*(volatile unsigned *)0x40020000 + 0x14)
// #define rPIOA_ODR   (*(volatile unsigned *)0x40020000 + 0x10)

// #define rPIOA_SODR  (*(volatile unsigned *)0x40020000 + 0x18)
// #define rPIOA_CODR  (*(volatile unsigned *)0x40020000 + 0x1A)

// #define rPIOA_PDSR	(*(volatile unsigned *)0x40020000 + 0x10)

// #define SDA ((rPIOA_PDSR&PIN25)?1:0)        
// /*================================Àî=====================================*/

// #define IO_PORT_DIR (-1)
// #define IO_PORT_OUT (0)

#if 0
#define GIO_DIR_INPUT 0x00
#define GIO_DIR_OUTPUT 0x01



#define GPIO_CLK GPIO_PIN_6
#define PORT_CLK GPIOE
#define GPIO_DATA GPIO_PIN_5
#define PORT_DATA GPIOE

#define CM_CLK_OUT stm32_gpio_direct(PORT_CLK,GPIO_CLK,GIO_DIR_OUTPUT)
#define CM_CLK_HI  stm32_gpio_write(PORT_CLK,GPIO_CLK,GPIO_PIN_SET)
#define CM_CLK_LO   stm32_gpio_write(PORT_CLK,GPIO_CLK,GPIO_PIN_RESET)


#define CM_DATA_OUT stm32_gpio_direct(PORT_DATA,GPIO_DATA,GIO_DIR_OUTPUT)
#define CM_DATA_IN    stm32_gpio_direct(PORT_DATA,GPIO_DATA,GIO_DIR_INPUT)
#define CM_DATA_HI stm32_gpio_write(PORT_DATA,GPIO_DATA,GPIO_PIN_SET)
#define CM_DATA_LO stm32_gpio_write(PORT_DATA,GPIO_DATA,GPIO_PIN_RESET)
#define CM_DATA_RD   stm32_gpio_read(PORT_DATA,GPIO_DATA)

#define CM_START_TRIES 10	//(CM_PORT_CFG.ucStartTries)

// -------------------------------------------------------------------------------------------------
// Macros that replace small common function
// -------------------------------------------------------------------------------------------------

#define CM_CLOCKHIGH  cm_Delay(1);(CM_CLK_HI);cm_Delay(1)
#define CM_CLOCKLOW   cm_Delay(1);(CM_CLK_LO);cm_Delay(1)
#define CM_CLOCKCYCLE cm_Delay(1);(CM_CLK_LO);cm_Delay(2);(CM_CLK_HI);cm_Delay(1)

#endif /* #if 0 */
// -------------------------------------------------------------------------------------------------
// Low Level Function Prototypes
// -------------------------------------------------------------------------------------------------

// Placeholder function that always returns TRUE
uint8_t cm_TRUE(void);

void cm_PowerOn(void);   
void cm_PowerOff(void);

// Send Command
uint8_t cm_SendCommand(uint8_t * pucCommandBuffer);

// Receive Data
uint8_t cm_ReceiveData(uint8_t * pucReceiveData, uint8_t ucLength);

// Send Data 
uint8_t cm_SendData(uint8_t * pucSendData, uint8_t ucLength);

// Random
void cm_RandGen(uint8_t * pucRandomData);

// Wait Clock
void cm_WaitClock(uint8_t ucLoop);

// Send Command Byte
uint8_t cm_SendCmdByte(uint8_t ucCommand);


// end of multiple inclusion protection
#endif