CC2520 MSP430 源码

/*********************************************************************************** Filename: hal_cc2520.c Description: This file implements the CC2520 Radio HAL. ***********************************************************************************/ /*********************************************************************************** * INCLUDES */ #include "hal_cc2520.h" #include "hal_mcu.h" /*********************************************************************************** * CONSTANTS AND DEFINES */ #define BLOCK_SIZE 255 /*********************************************************************************** * LOCAL FUNCTIONS */ static uint8 GotException(uint8 index); static uint8 waitException(uint8 exc, uint16 timeOut); static void clearException(uint32 dwMap); static void CC2520_INS_RD_ARRAY(uint16 count, uint8 *pData); static uint8 CC2520_INS_MEMCP_COMMON(uint8 instr, uint8 pri, uint16 count, \ uint16 src, uint16 dest); static uint8 CC2520_SPI_TXRX(uint8 x) { CC2520_SPI_TX(x); CC2520_SPI_WAIT_RXRDY(); return CC2520_SPI_RX(); } /*********************************************************************************** * @fn GotException * * @brief Check if exception is set * * @param uint8 index * * @return uint8 */ static uint8 GotException(uint8 index) { uint8 exceptions = CC2520_REGRD8(CC2520_EXCFLAG0 + (index >> 3)); if (exceptions & BV(index & 0x07)) { return TRUE; } else { return FALSE; } } /*********************************************************************************** * @fn waitException * * @brief Wait for exception * * @param uint8 exc * uint16 timeOut * * @return uint8 */ static uint8 waitException(uint8 exc, uint16 timeOut) { while (--timeOut>0) { if (GotException(exc)) break; halMcuWaitUs(10); } return timeOut>0; } /*********************************************************************************** * @fn clearException * * @brief Clear exception flag * * @param uint32 dwMap * * @return none */ static void clearException(uint32 dwMap) { CC2520_REGWR24(CC2520_EXCFLAG0, ~dwMap); } /*********************************************************************************** * @fn CC2520_INS_RD_ARRAY * * @brief Read array from CC2520 * * @param uint16 count - * uint8 *pData - * * @return none */ static void CC2520_INS_RD_ARRAY(uint16 count, uint8 *pData) { while (count--) { CC2520_SPI_TX(0x00); CC2520_SPI_WAIT_RXRDY(); *pData = CC2520_SPI_RX(); pData++; } } /*********************************************************************************** * @fn CC2520_INS_MEMCP_COMMON * * @brief memory copy * * @param uint8 instr - * uint8 pri - * uint16 count - * uint16 src - * uint16 dest - * * @return uint8 - status byte */ static uint8 CC2520_INS_MEMCP_COMMON(uint8 instr, uint8 pri, uint16 count, \ uint16 src, uint16 dest) { uint8 s; CC2520_SPI_BEGIN(); s = CC2520_SPI_TXRX(instr | pri); CC2520_SPI_TXRX(count); CC2520_SPI_TXRX((HIBYTE(src) << 4) | HIBYTE(dest)); CC2520_SPI_TXRX(LOBYTE(src)); CC2520_SPI_TXRX(LOBYTE(dest)); CC2520_SPI_END(); return s; } /*********************************************************************************** * GLOBAL FUNCTIONS */ /*********************************************************************************** * @fn CC2520_INS_WR_ARRAY * * @brief Write array to CC2520 * * @param uint16 count - * uint8 *pData - * * @return none */ void CC2520_INS_WR_ARRAY(uint16 count, uint8 *pData) { while (count--) { CC2520_SPI_TX(*pData); pData++; CC2520_SPI_WAIT_RXRDY(); } } /*********************************************************************************** * @fn CC2520_INS_STROBE * * @brief send strobe commane * * @param uint8 strobe - strobe command * * @return uint8 - status byte */ uint8 CC2520_INS_STROBE(uint8 strobe) { uint8 s; CC2520_SPI_BEGIN(); s = CC2520_SPI_TXRX(strobe); CC2520_SPI_END(); return s; } /*********************************************************************************** * @fn CC2520_SNOP * * @brief SNOP instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SNOP(void) { return CC2520_INS_STROBE(CC2520_INS_SNOP); } /*********************************************************************************** * @fn CC2520_SIBUFEX * * @brief SIBUFEX instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SIBUFEX(void) { return CC2520_INS_STROBE(CC2520_INS_SIBUFEX); } /*********************************************************************************** * @fn CC2520_SSAMPLECCA * * @brief Sample CCA instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SSAMPLECCA(void) { return CC2520_INS_STROBE(CC2520_INS_SSAMPLECCA); } /*********************************************************************************** * @fn CC2520_SXOSCON * * @brief SXOSCON instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SXOSCON(void) { return CC2520_INS_STROBE(CC2520_INS_SXOSCON); } /*********************************************************************************** * @fn CC2520_STXCAL * * @brief STXCAL instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_STXCAL(void) { return CC2520_INS_STROBE(CC2520_INS_STXCAL); } /*********************************************************************************** * @fn CC2520_SRXON * * @brief SRXON instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SRXON(void) { return CC2520_INS_STROBE(CC2520_INS_SRXON); } /*********************************************************************************** * @fn CC2520_STXON * * @brief STXON instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_STXON(void) { return CC2520_INS_STROBE(CC2520_INS_STXON); } /*********************************************************************************** * @fn CC2520_STXONCCA * * @brief STXONCCA instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_STXONCCA(void) { return CC2520_INS_STROBE(CC2520_INS_STXONCCA); } /*********************************************************************************** * @fn CC2520_SRFOFF * * @brief SRFOFF instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SRFOFF(void) { return CC2520_INS_STROBE(CC2520_INS_SRFOFF); } /*********************************************************************************** * @fn CC2520_SXOSCOFF * * @brief SXOSCOFF instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SXOSCOFF(void) { return CC2520_INS_STROBE(CC2520_INS_SXOSCOFF); } /*********************************************************************************** * @fn CC2520_SFLUSHRX * * @brief SFLUSHRX instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SFLUSHRX(void) { return CC2520_INS_STROBE(CC2520_INS_SFLUSHRX); } /*********************************************************************************** * @fn CC2520_SFLUSHTX * * @brief SFLUSHTX instruction strobe * * @param none * * @return uint8 - status byte */ uint8 CC2520_SFLUSHTX(void) { return CC2520_INS_STROBE(CC2520_INS_SFLUSHTX); } /*********