Hardware Abstraction Layer: hal

00001 
00024 //includes for macros
00025 #include "inc/hw_memmap.h"
00026 #include "inc/hw_types.h"
00027 #include "driverlib/gpio.h"
00028 
00029 //general includes
00030 #include "utils/uartstdio.h"
00031 #define printf UARTprintf
00032 
00033 void halInit();
00034 void delayMs(unsigned int ms);
00035 void halSpiInit();
00036 void spiWrite(unsigned char *bytes, unsigned char numBytes);
00037 void setZnpInterfaceToInputs(void);
00038 void delayMs(unsigned int ms);
00039 void toggleLed(unsigned char whichLed);
00040 signed int setLed(unsigned char led);
00041 void clearLeds();
00042 
00043 //REQUIRED FOR ZNP LIBRARY:
00044 
00045 //ZNP RST = PD5
00046 //ZNP MRDY = CS = PD4
00047 //ZNP SRDY = PD6
00048 //PRECONDITIONS: GPIO PORTS HAVE BEEN ENABLED & PINS WERE CONFIGURED: PD4, PD5 as outputs; PD6 as input
00049 #define RADIO_ON()                  ( GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_5, GPIO_PIN_5) )   //(P1OUT |= BIT2)
00050 #define RADIO_OFF()                 ( GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_5, 0) )                    //(P1OUT &= ~BIT2)
00051 #define SPI_SS_SET()                ( GPIOPinWrite(GPIO_PORTC_BASE, GPIO_PIN_4, 0) )    //(P5OUT &= ~BIT0)  //MRDY tied to CS in hardware
00052 #define SPI_SS_CLEAR()              ( GPIOPinWrite(GPIO_PORTC_BASE, GPIO_PIN_4, GPIO_PIN_4) )                   //(P5OUT |= BIT0)
00053 #define SRDY_IS_HIGH()              (GPIOPinRead(GPIO_PORTD_BASE, GPIO_PIN_6) & GPIO_PIN_6)     //(P1IN & BIT3)
00054 #define SRDY_IS_LOW()               (~(GPIOPinRead(GPIO_PORTD_BASE, GPIO_PIN_6)) & GPIO_PIN_6)  //((~P1IN) & BIT3)
00055
hal_gw0.h
