common.h

MMC driver for LPC21

#ifndef _commonH
#define _commonH

#include <targets/LPC2000.h>
#include <targets/liblpc2000.h>
#include <ctl_api.h>

// *****************************************************
// types

typedef signed char				_s8;
typedef unsigned char			_u8;
typedef signed short				_s16;
typedef unsigned short			_u16;
typedef signed long				_s32;
typedef unsigned long			_u32;
typedef signed long long		_s64;
typedef unsigned long long		_u64;

typedef unsigned char			bool;

// *****************************************************
// constants

#define fosc	OSCILLATOR_CLOCK_FREQUENCY

#define true	1
#define false	0

#define Bit0	(1 << 0)
#define Bit1	(1 << 1)
#define Bit2	(1 << 2)
#define Bit3	(1 << 3)
#define Bit4	(1 << 4)
#define Bit5	(1 << 5)
#define Bit6	(1 << 6)
#define Bit7	(1 << 7)
#define Bit8	(1 << 8)
#define Bit9	(1 << 9)
#define Bit10	(1 << 10)
#define Bit11	(1 << 11)
#define Bit12	(1 << 12)
#define Bit13	(1 << 13)
#define Bit14	(1 << 14)
#define Bit15	(1 << 15)
#define Bit16	(1 << 16)
#define Bit17	(1 << 17)
#define Bit18	(1 << 18)
#define Bit19	(1 << 19)
#define Bit20	(1 << 20)
#define Bit21	(1 << 21)
#define Bit22	(1 << 22)
#define Bit23	(1 << 23)
#define Bit24	(1 << 24)
#define Bit25	(1 << 25)
#define Bit26	(1 << 26)
#define Bit27	(1 << 27)
#define Bit28	(1 << 28)
#define Bit29	(1 << 29)
#define Bit30	(1 << 30)
#define Bit31	(1 << 31)

// *****************************************************
// I/O Pins

#define MMC_CS_BIT					Bit17					// MMC chip-select pin/bit
#define MMC_CS_DIR					IO0DIR				// direction register
#define MMC_CS_CLR					IO0CLR				// clear register
#define MMC_CS_SET					IO0SET				// set register
#define MMC_CS_PIN					IO0PIN				// input register

#define MMC_SWITCH_BIT				Bit30					// MMC card slot switch pin/bit
#define MMC_SWITCH_DIR				IO0DIR				// direction register
#define MMC_SWITCH_CLR				IO0CLR				// clear register
#define MMC_SWITCH_SET				IO0SET				// set register
#define MMC_SWITCH_PIN				IO0PIN				// input register

// *****************************************************
// ints

#define	WDT_INT			0
#define	SWI_INT			1
#define	ARM_CORE0_INT	2
#define	ARM_CORE1_INT	3
#define	TIMER0_INT		4
#define	TIMER1_INT		5
#define	UART0_INT		6
#define	UART1_INT		7
#define	PWM0_INT			8
#define	I2C0_INT			9
#define	SPI0_INT			10
#define	SPI1_INT			11
#define	PLL_INT			12
#define	RTC_INT			13
#define	EINT0_INT		14
#define	EINT1_INT		15
#define	EINT2_INT		16
#define	EINT3_INT		17
#define	ADC0_INT			18
#define	I2C1_INT			19
#define	BOD_INT			20
#define	ADC1_INT			21
//#define	USB_INT			22

#define PWM0_Int_Priority		0
#define SPI0_Int_Priority		1
#define RTC_Int_Priority		2
#define UART0_Int_Priority		3
#define UART1_Int_Priority		4
#define TIMER0_Int_Priority		5
#define TIMER1_Int_Priority		6
#define EINT0_Int_Priority		7
#define EINT1_Int_Priority		8
#define EINT2_Int_Priority		9
#define EINT3_Int_Priority		10

// *****************************************************
// storage bits

extern _u32 cclk;
extern _u32 pclk;

extern volatile _u8 uart0_rxBuf[128];
extern volatile _u16 uart0_rxWr;
extern volatile _u16 uart0_rxRd;

// *****************************************************

void delay_us(_u32 us);
bool delay_ms(_u16 ms);

bool start_test_timer(void);
_u32 stop_test_timer(void);

_u32 SPI0_Initialize(_u32 freq, bool master, bool clk_edge_2, bool sclk_active_low, bool lsb_1st, bool use_SSEL, bool set_pins, CTL_ISR_FN_t isr);
void SPI0_Deinitialize(void);
void SPI0_SendByte(_u8 b);
_u8 SPI0_GetByte(_u8 b);
int SPI0_WaitForTx(void);
_u8 SPI0_WaitForTxGetRx(void);
_u8 SPI0_8(_u8 b);
_u16 SPI0_16(_u16 w);

_u32 UART0_Initialize(unsigned int baud, _u8 fifo_size, CTL_ISR_FN_t isr);
void UART0_Deinitialize(void);

void ClearRxUartFIFO(int uart);
void ClearTxUartFIFO(int uart);

bool WriteByte_uart0(_u8 ch, _s32 timeout);
bool WriteByte_uart1(_u8 ch, _s32 timeout);
bool WriteByte_uart2(_u8 ch, _s32 timeout);

void WriteStr_uart0(char *s);

// *****************************************************

#endif