#define ST_CRTR         (36) // Current Real-time Register
// -------- ST_CR : (ST Offset: 0x0) System Timer Control Register -------- 
#define AT91C_ST_WDRST            (0x1 <<  0) // (ST) Watchdog Timer Restart
// -------- ST_PIMR : (ST Offset: 0x4) System Timer Period Interval Mode Register -------- 
#define AT91C_ST_PIV              (0xFFFF <<  0) // (ST) Watchdog Timer Restart
// -------- ST_WDMR : (ST Offset: 0x8) System Timer Watchdog Mode Register -------- 
#define AT91C_ST_WDV              (0xFFFF <<  0) // (ST) Watchdog Timer Restart
#define AT91C_ST_RSTEN            (0x1 << 16) // (ST) Reset Enable
#define AT91C_ST_EXTEN            (0x1 << 17) // (ST) External Signal Assertion Enable
// -------- ST_RTMR : (ST Offset: 0xc) System Timer Real-time Mode Register -------- 
#define AT91C_ST_RTPRES           (0xFFFF <<  0) // (ST) Real-time Timer Prescaler Value
// -------- ST_SR : (ST Offset: 0x10) System Timer Status Register -------- 
#define AT91C_ST_PITS             (0x1 <<  0) // (ST) Period Interval Timer Interrupt
#define AT91C_ST_WDOVF            (0x1 <<  1) // (ST) Watchdog Overflow
#define AT91C_ST_RTTINC           (0x1 <<  2) // (ST) Real-time Timer Increment
#define AT91C_ST_ALMS             (0x1 <<  3) // (ST) Alarm Status
// -------- ST_IER : (ST Offset: 0x14) System Timer Interrupt Enable Register -------- 
// -------- ST_IDR : (ST Offset: 0x18) System Timer Interrupt Disable Register -------- 
// -------- ST_IMR : (ST Offset: 0x1c) System Timer Interrupt Mask Register -------- 
// -------- ST_RTAR : (ST Offset: 0x20) System Timer Real-time Alarm Register -------- 
#define AT91C_ST_ALMV             (0xFFFFF <<  0) // (ST) Alarm Value Value
// -------- ST_CRTR : (ST Offset: 0x24) System Timer Current Real-time Register -------- 
#define AT91C_ST_CRTV             (0xFFFFF <<  0) // (ST) Current Real-time Value

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Power Management Controler
// *****************************************************************************
// *** Register offset in AT91S_PMC structure ***
#define PMC_SCER        ( 0) // System Clock Enable Register
#define PMC_SCDR        ( 4) // System Clock Disable Register
#define PMC_SCSR        ( 8) // System Clock Status Register
#define PMC_PCER        (16) // Peripheral Clock Enable Register
#define PMC_PCDR        (20) // Peripheral Clock Disable Register
#define PMC_PCSR        (24) // Peripheral Clock Status Register
#define PMC_MCKR        (48) // Master Clock Register
#define PMC_PCKR        (64) // Programmable Clock Register
#define PMC_IER         (96) // Interrupt Enable Register
#define PMC_IDR         (100) // Interrupt Disable Register
#define PMC_SR          (104) // Status Register
#define PMC_IMR         (108) // Interrupt Mask Register
// -------- PMC_SCER : (PMC Offset: 0x0) System Clock Enable Register -------- 
#define AT91C_PMC_PCK             (0x1 <<  0) // (PMC) Processor Clock
#define AT91C_PMC_UDP             (0x1 <<  1) // (PMC) USB Device Port Clock
#define AT91C_PMC_MCKUDP          (0x1 <<  2) // (PMC) USB Device Port Master Clock Automatic Disable on Suspend
#define AT91C_PMC_UHP             (0x1 <<  4) // (PMC) USB Host Port Clock
#define AT91C_PMC_PCK0            (0x1 <<  8) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK1            (0x1 <<  9) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK2            (0x1 << 10) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK3            (0x1 << 11) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK4            (0x1 << 12) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK5            (0x1 << 13) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK6            (0x1 << 14) // (PMC) Programmable Clock Output
#define AT91C_PMC_PCK7            (0x1 << 15) // (PMC) Programmable Clock Output
// -------- PMC_SCDR : (PMC Offset: 0x4) System Clock Disable Register -------- 
// -------- PMC_SCSR : (PMC Offset: 0x8) System Clock Status Register -------- 
// -------- PMC_MCKR : (PMC Offset: 0x30) Master Clock Register -------- 
#define AT91C_PMC_CSS             (0x3 <<  0) // (PMC) Programmable Clock Selection
#define 	AT91C_PMC_CSS_SLOW_CLK             (0x0) // (PMC) Slow Clock is selected
#define 	AT91C_PMC_CSS_MAIN_CLK             (0x1) // (PMC) Main Clock is selected
#define 	AT91C_PMC_CSS_PLLA_CLK             (0x2) // (PMC) Clock from PLL A is selected
#define 	AT91C_PMC_CSS_PLLB_CLK             (0x3) // (PMC) Clock from PLL B is selected
#define AT91C_PMC_PRES            (0x7 <<  2) // (PMC) Programmable Clock Prescaler
#define 	AT91C_PMC_PRES_CLK                  (0x0 <<  2) // (PMC) Selected clock
#define 	AT91C_PMC_PRES_CLK_2                (0x1 <<  2) // (PMC) Selected clock divided by 2
#define 	AT91C_PMC_PRES_CLK_4                (0x2 <<  2) // (PMC) Selected clock divided by 4
#define 	AT91C_PMC_PRES_CLK_8                (0x3 <<  2) // (PMC) Selected clock divided by 8
#define 	AT91C_PMC_PRES_CLK_16               (0x4 <<  2) // (PMC) Selected clock divided by 16
#define 	AT91C_PMC_PRES_CLK_32               (0x5 <<  2) // (PMC) Selected clock divided by 32
#define 	AT91C_PMC_PRES_CLK_64               (0x6 <<  2) // (PMC) Selected clock divided by 64
#define AT91C_PMC_MDIV            (0x3 <<  8) // (PMC) Master Clock Division
#define 	AT91C_PMC_MDIV_1                    (0x0 <<  8) // (PMC) The master clock and the processor clock are the same
#define 	AT91C_PMC_MDIV_2                    (0x1 <<  8) // (PMC) The processor clock is twice as fast as the master clock
#define 	AT91C_PMC_MDIV_3                    (0x2 <<  8) // (PMC) The processor clock is three times faster than the master clock
#define 	AT91C_PMC_MDIV_4                    (0x3 <<  8) // (PMC) The processor clock is four times faster than the master clock
// -------- PMC_PCKR : (PMC Offset: 0x40) Programmable Clock Register -------- 
// -------- PMC_IER : (PMC Offset: 0x60) PMC Interrupt Enable Register -------- 
#define AT91C_PMC_MOSCS           (0x1 <<  0) // (PMC) MOSC Status/Enable/Disable/Mask
#define AT91C_PMC_LOCKA           (0x1 <<  1) // (PMC) PLL A Status/Enable/Disable/Mask
#define AT91C_PMC_LOCKB           (0x1 <<  2) // (PMC) PLL B Status/Enable/Disable/Mask
#define AT91C_PMC_MCKRDY          (0x1 <<  3) // (PMC) MCK_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK0RDY         (0x1 <<  8) // (PMC) PCK0_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK1RDY         (0x1 <<  9) // (PMC) PCK1_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK2RDY         (0x1 << 10) // (PMC) PCK2_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK3RDY         (0x1 << 11) // (PMC) PCK3_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK4RDY         (0x1 << 12) // (PMC) PCK4_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK5RDY         (0x1 << 13) // (PMC) PCK5_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK6RDY         (0x1 << 14) // (PMC) PCK6_RDY Status/Enable/Disable/Mask
#define AT91C_PMC_PCK7RDY         (0x1 << 15) // (PMC) PCK7_RDY Status/Enable/Disable/Mask
// -------- PMC_IDR : (PMC Offset: 0x64) PMC Interrupt Disable Register -------- 
// -------- PMC_SR : (PMC Offset: 0x68) PMC Status Register -------- 
// -------- PMC_IMR : (PMC Offset: 0x6c) PMC Interrupt Mask Register -------- 

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Clock Generator Controler
// *****************************************************************************
// *** Register offset in AT91S_CKGR structure ***
#define CKGR_MOR        ( 0) // Main Oscillator Register
#define CKGR_MCFR       ( 4) // Main Clock  Frequency Register
#define CKGR_PLLAR      ( 8) // PLL A Register
#define CKGR_PLLBR      (12) // PLL B Register
// -------- CKGR_MOR : (CKGR Offset: 0x0) Main Oscillator Register -------- 
#define AT91C_CKGR_MOSCEN         (0x1 <<  0) // (CKGR) Main Oscillator Enable
#define AT91C_CKGR_OSCTEST        (0x1 <<  1) // (CKGR) Oscillator Test
#define AT91C_CKGR_OSCOUNT        (0xFF <<  8) // (CKGR) Main Oscillator Start-up Time
// -------- CKGR_MCFR : (CKGR Offset: 0x4) Main Clock Frequency Register -------- 
#define AT91C_CKGR_MAINF          (0xFFFF <<  0) // (CKGR) Main Clock Frequency
#define AT91C_CKGR_MAINRDY        (0x1 << 16) // (CKGR) Main Clock Ready
// -------- CKGR_PLLAR : (CKGR Offset: 0x8) PLL A Register -------- 
#define AT91C_CKGR_DIVA           (0xFF <<  0) // (CKGR) Divider Selected
#define 	AT91C_CKGR_DIVA_0                    (0x0) // (CKGR) Divider output is 0
#define 	AT91C_CKGR_DIVA_BYPASS               (0x1) // (CKGR) Divider is bypassed
#define AT91C_CKGR_PLLACOUNT      (0x3F <<  8) // (CKGR) PLL A Counter
#define AT91C_CKGR_OUTA           (0x3 << 14) // (CKGR) PLL A Output Frequency Range
#define 	AT91C_CKGR_OUTA_0                    (0x0 << 14) // (CKGR) Please refer to the PLLA datasheet
#define 	AT91C_CKGR_OUTA_1                    (0x1 << 14) // (CKGR) Please refer to the PLLA datasheet
#define 	AT91C_CKGR_OUTA_2                    (0x2 << 14) // (CKGR) Please refer to the PLLA datasheet
#define 	AT91C_CKGR_OUTA_3                    (0x3 << 14) // (CKGR) Please refer to the PLLA datasheet
#define AT91C_CKGR_MULA           (0x7FF << 16) // (CKGR) PLL A Multiplier
#define AT91C_CKGR_SRCA           (0x1 << 29) // (CKGR) PLL A Source
// -------- CKGR_PLLBR : (CKGR Offset: 0xc) PLL B Register -------- 
#define AT91C_CKGR_DIVB           (0xFF <<  0) // (CKGR) Divider Selected
#define 	AT91C_CKGR_DIVB_0                    (0x0) // (CKGR) Divider output is 0
#define 	AT91C_CKGR_DIVB_BYPASS               (0x1) // (CKGR) Divider is bypassed
#define AT91C_CKGR_PLLBCOUNT      (0x3F <<  8) // (CKGR) PLL B Counter
#define AT91C_CKGR_OUTB           (0x3 << 14) // (CKGR) PLL B Output Frequency Range
#define 	AT91C_CKGR_OUTB_0                    (0x0 << 14) // (CKGR) Please refer to the PLLB datasheet
#define 	AT91C_CKGR_OUTB_1                    (0x1 << 14) // (CKGR) Please refer to the PLLB datasheet
#define 	AT91C_CKGR_OUTB_2                    (0x2 << 14) // (CKGR) Please refer to the PLLB datasheet
#define 	AT91C_CKGR_OUTB_3                    (0x3 << 14) // (CKGR) Please refer to the PLLB datasheet
#define AT91C_CKGR_MULB           (0x7FF << 16) // (CKGR) PLL B Multiplier
#define AT91C_CKGR_USB_96M        (0x1 << 28) // (CKGR) Divider for USB Ports
#define AT91C_CKGR_USB_PLL        (0x1 << 29) // (CKGR) PLL Use

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Parallel Input Output Controler
// *****************************************************************************
// *** Register offset in AT91S_PIO structure ***
#define PIO_PER         ( 0) // PIO Enable Register
#define PIO_PDR         ( 4) // PIO Disable Register
#define PIO_PSR         ( 8) // PIO Status Register
#define PIO_OER         (16) // Output Enable Register
#define PIO_ODR         (20) // Output Disable Registerr
#define PIO_OSR         (24) // Output Status Register
#define PIO_IFER        (32) // Input Filter Enable Register
#define PIO_IFDR        (36) // Input Filter Disable Register
#define PIO_IFSR        (40) // Input Filter Status Register
#define PIO_SODR        (48) // Set Output Data Register
#define PIO_CODR        (52) // Clear Output Data Register
#define PIO_ODSR        (56) // Output Data Status Register
#define PIO_PDSR        (60) // Pin Data Status Register
#define PIO_IER         (64) // Interrupt Enable Register
#define PIO_IDR         (68) // Interrupt Disable Register
#define PIO_IMR         (72) // Interrupt Mask Register
#define PIO_ISR         (76) // Interrupt Status Register
#define PIO_MDER        (80) // Multi-driver Enable Register
#define PIO_MDDR        (84) // Multi-driver Disable Register
#define PIO_MDSR        (88) // Multi-driver Status Register
#define PIO_PPUDR       (96) // Pull-up Disable Register
#define PIO_PPUER       (100) // Pull-up Enable Register
#define PIO_PPUSR       (104) // Pad Pull-up Status Register
#define PIO_ASR         (112) // Select A Register
#define PIO_BSR         (116) // Select B Register
#define PIO_ABSR        (120) // AB Select Status Register
#define PIO_OWER        (160) // Output Write Enable Register
#define PIO_OWDR        (164) // Output Write Disable Register
#define PIO_OWSR        (168) // Output Write Status Register

// *****************************************************************************
//              SOFTWARE API DEFINITION  FOR Debug Unit
// *****************************************************************************
// *** Register offset in AT91S_DBGU structure ***
#define DBGU_CR         ( 0) // Control Register
#define DBGU_MR         ( 4) // Mode Register
#define DBGU_IER        ( 8) // Interrupt Enable Register
#define DBGU_IDR        (12) // Interrupt Disable Register
#define DBGU_IMR        (16) // Interrupt Mask Register
#define DBGU_CSR        (20) // Channel Status Register