void main(void)
{
HAL_BOARD_INIT();
#if HAL_OTA_XNV_IS_SPI
XNV_SPI_INIT();
#endif
/* This is in place of calling HalDmaInit() which would require init of the
* other 4 DMA descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0( &dmaCh0 );
while (1)
{
HalFlashRead(HAL_OTA_CRC_ADDR / HAL_FLASH_PAGE_SIZE,
HAL_OTA_CRC_ADDR % HAL_FLASH_PAGE_SIZE,
(uint8 *)&OTA_crcControl, sizeof(OTA_crcControl));
if (OTA_crcControl.crc[0] == OTA_crcControl.crc[1])
{
break;
}
else if ((OTA_crcControl.crc[0] != 0) && (OTA_crcControl.crc[0] == crcCalc()))
{
OTA_crcControl.crc[1] = OTA_crcControl.crc[0];
HalFlashWrite((HAL_OTA_CRC_ADDR / HAL_FLASH_WORD_SIZE), (uint8 *)OTA_crcControl.crc, 1);
}
else
{
dl2rc();
}
}
// Simulate a reset for the Application code by an absolute jump to location 0x0800.
asm("LJMP 0x800\n");
}
/**************************************************************************************************
* @fn crcCheck
*
* @brief Calculate the image CRC and set it ready-to-run if it is good.
*
* input parameters
*
* @param page - Flash page on which to beging the CRC calculation.
*
* output parameters
*
* None.
*
* @return None, but no return from this function if the CRC check is good.
**************************************************************************************************
*/
static void crcCheck(uint8 page, uint16 *crc)
{
HAL_BOARD_INIT();
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
//P0DIR |= 1;
//P0_0 = 0;
//P0_0 = 1;
//P0_0 = 0;
//P0_0 = 1;
//P0_0 = 0;
//P0_0 = 1;
if (crc[0] == crcCalcDMA(page))
{
//P0_0 = 0;
uint16 addr = page * (HAL_FLASH_PAGE_SIZE / HAL_FLASH_WORD_SIZE) +
BIM_CRC_OSET / HAL_FLASH_WORD_SIZE;
crc[1] = crc[0];
crc[0] = 0xFFFF;
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
HalFlashWrite(addr, (uint8 *)crc, 1);
HAL_SYSTEM_RESET();
}
}
/**************************************************************************************************
* @fn sblInit
*
* @brief SBL initialization.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
*/
static void sblInit(void)
{
HAL_USB_PULLUP_DISABLE();
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
HalUARTInitUSB();
SB_INIT_LEDS();
}
/******************************************************************************
* @fn HalDMAInit
*
* @brief DMA Interrupt Service Routine
*
* @param None
*
* @return None
*****************************************************************************/
void HalDmaInit( void )
{
HAL_DMA_SET_ADDR_DESC0( &dmaCh0 );
HAL_DMA_SET_ADDR_DESC1234( dmaCh1234 );
#if (HAL_UART_DMA || \
((defined HAL_SPI) && (HAL_SPI == TRUE)) || \
((defined HAL_IRGEN) && (HAL_IRGEN == TRUE)))
DMAIE = 1;
#endif
}
/**************************************************************************************************
* @fn sblInit
*
* @brief Initialization for SBL.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
**************************************************************************************************
*/
static void sblInit(void)
{
HAL_BOARD_INIT();
vddWait(VDD_MIN_RUN);
magicByte = SB_MAGIC_VALUE;
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
HalUARTInitUSB();
}
/**************************************************************************************************
* @fn sblInit
*
* @brief Initialization for SBL.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
**************************************************************************************************
*/
static void sblInit(void)
{
HAL_BOARD_INIT();
vddWait(VDD_MIN_RUN);
magicByte = SB_MAGIC_VALUE;
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
#if defined CC2530_MK
znpCfg1 = ZNP_CFG1_SPI;
#else
znpCfg1 = P2_0;
#endif
if (znpCfg1 == ZNP_CFG1_SPI)
{
SRDY_CLR();
// Select general purpose on I/O pins.
P0SEL &= ~(NP_RDYIn_BIT); // P0.3 MRDY - GPIO
P0SEL &= ~(NP_RDYOut_BIT); // P0.4 SRDY - GPIO
// Select GPIO direction.
P0DIR &= ~NP_RDYIn_BIT; // P0.3 MRDY - IN
P0DIR |= NP_RDYOut_BIT; // P0.4 SRDY - OUT
P0INP &= ~NP_RDYIn_BIT; // Pullup/down enable of MRDY input.
P2INP &= ~BV(5); // Pullup all P0 inputs.
HalUARTInitSPI();
}
else
{
halUARTCfg_t uartConfig;
HalUARTInitISR();
uartConfig.configured = TRUE;
uartConfig.baudRate = HAL_UART_BR_115200;
uartConfig.flowControl = FALSE;
uartConfig.flowControlThreshold = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.rx.maxBufSize = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.tx.maxBufSize = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.idleTimeout = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.intEnable = TRUE;
uartConfig.callBackFunc = NULL;
HalUARTOpenISR(&uartConfig);
}
}
/**************************************************************************************************
* @fn crcCheck
*
* @brief Calculate the image CRC and set it ready-to-run if it is good.
*
* input parameters
*
* @param page - Flash page on which to beging the CRC calculation.
*
* output parameters
*
* None.
*
* @return None, but no return from this function if the CRC check is good.
**************************************************************************************************
*/
static void crcCheck(uint8 page, uint16 *crc)
{
HAL_BOARD_INIT();
if (crc[0] == crcCalcDMA(page))
{
//P0_0 = 0;
uint16 addr = page * (HAL_FLASH_PAGE_SIZE / HAL_FLASH_WORD_SIZE) +
BIM_CRC_OSET / HAL_FLASH_WORD_SIZE;
crc[1] = crc[0];
crc[0] = 0xFFFF;
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
HalFlashWrite(addr, (uint8 *)crc, 1);
HAL_SYSTEM_RESET();
}
}
/**************************************************************************************************
* @fn sblInit
*
* @brief SBL initialization.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
*/
static void sblInit(uint8 bootloaderForcedByMainApp)
{
HAL_BOARD_INIT();
if (! bootloaderForcedByMainApp)
{
// If power on reset (i.e. reset not due to main software request) - pull down D+.
// If reset is due to software request - do not touch the pull, otherwise the USB bus will reset and re-enumerate on the host.
HAL_USB_PULLUP_DISABLE();
}
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
HalUARTInitUSB();
SB_INIT_LEDS();
}
/**************************************************************************************************
* @fn main
*
* @brief C-code main function.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
**************************************************************************************************
*/
void main(void)
{
vddWait();
HAL_BOARD_INIT();
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
// Map flash bank #7 into XDATA for access to "ROM mapped as data".
MEMCTR = (MEMCTR & 0xF8) | 0x07;
imgSelect(); // Attempt to select and run an image.
SLEEPCMD |= 0x03; // PM3, All clock oscillators off, voltage regulator off.
halSleepExec();
HAL_SYSTEM_RESET(); // Should not get here.
}
/**************************************************************************************************
* @fn sblInit
*
* @brief SBL initialization.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
*/
static void sblInit(void)
{
halUARTCfg_t uartConfig;
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
HalUARTInitISR();
uartConfig.configured = TRUE;
uartConfig.baudRate = HAL_UART_BR_115200;
uartConfig.flowControl = FALSE;
uartConfig.flowControlThreshold = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.rx.maxBufSize = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.tx.maxBufSize = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.idleTimeout = 0; // CC2530 by #define - see hal_board_cfg.h
uartConfig.intEnable = TRUE;
uartConfig.callBackFunc = NULL;
HalUARTOpenISR(&uartConfig);
SB_INIT_LEDS();
}
void main(void)
{
uint16 crc[2];
HAL_BOARD_INIT();
#if HAL_OAD_XNV_IS_SPI
XNV_SPI_INIT();
#endif
/* This is in place of calling HalDmaInit() which would require init of the other 4 DMA
* descriptors in addition to just Channel 0.
*/
HAL_DMA_SET_ADDR_DESC0( &dmaCh0 );
HalFlashInit();
HalFlashRead(HAL_OAD_CRC_ADDR / HAL_FLASH_PAGE_SIZE,
HAL_OAD_CRC_ADDR % HAL_FLASH_PAGE_SIZE,
(uint8 *)crc, sizeof(crc));
if (crc[0] != crc[1])
{
// If the CRC is erased or the RC code fails a sanity check, instantiate the DL code (again).
if ((crc[0] == 0) || (crc[0] != crcCalc()))
{
dl2rc();
/* If dl2rc() fails, a flawed image is allowed to run -
* maybe the damage is not fatal to OTA ops?
*/
}
else
{
crc[1] = crc[0];
HalFlashWrite((HAL_OAD_CRC_ADDR / HAL_FLASH_WORD_SIZE), (uint8 *)crc, 1);
}
}
// Simulate a reset for the Application code by an absolute jump to location 0x0800.
asm("LJMP 0x800\n");
}
/**************************************************************************************************
* @fn DMAExecCrc
*
* @brief This function assumes CRC has been initialized and sets up and
* starts a dma tranfer from a flash page to the CRC HW module.
*
* @note This function assumes DMA channel 0 is available for use.
*
* input parameters
*
* @param page - A valid flash page number.
* @param offset - A valid offset into the page.
* @param len - A valid number of bytes to calculate crc of.
*
* @return None.
**************************************************************************************************
*/
void DMAExecCrc(uint8 page, uint16 offset, uint16 len) {
uint8 memctr = MEMCTR; // Save to restore.
// Calculate the offset into the containing flash bank as it gets mapped into XDATA.
uint16 address = (offset + HAL_FLASH_PAGE_MAP) +
((page % HAL_FLASH_PAGE_PER_BANK) * HAL_FLASH_PAGE_SIZE);
// Pointer to DMA config structure
halDMADesc_t *dmaCh0_p = &dmaCh0;
#if !defined HAL_OAD_BOOT_CODE
halIntState_t is;
#endif
page /= HAL_FLASH_PAGE_PER_BANK; // Calculate the flash bank from the flash page.
#if !defined HAL_OAD_BOOT_CODE
HAL_ENTER_CRITICAL_SECTION(is);
#endif
// Calculate and map the containing flash bank into XDATA.
MEMCTR = (MEMCTR & 0xF8) | page; // page is actually bank
// Start address for CRC calculation in the XDATA mapped flash bank
HAL_DMA_SET_SOURCE(dmaCh0_p, address);
// Destination for data transfer, RNDH mapped to XDATA
HAL_DMA_SET_DEST(dmaCh0_p, 0x70BD);
// One whole page (or len) at a time
HAL_DMA_SET_LEN(dmaCh0_p, len);
// 8-bit, block, no trigger
HAL_DMA_SET_WORD_SIZE(dmaCh0_p, HAL_DMA_WORDSIZE_BYTE);
HAL_DMA_SET_TRIG_MODE(dmaCh0_p, HAL_DMA_TMODE_BLOCK);
HAL_DMA_SET_TRIG_SRC(dmaCh0_p, HAL_DMA_TRIG_NONE);
// SRC += 1, DST = constant, no IRQ, all 8 bits, high priority
HAL_DMA_SET_SRC_INC(dmaCh0_p, HAL_DMA_SRCINC_1);
HAL_DMA_SET_DST_INC(dmaCh0_p, HAL_DMA_DSTINC_0);
HAL_DMA_SET_IRQ(dmaCh0_p, HAL_DMA_IRQMASK_DISABLE);
HAL_DMA_SET_M8(dmaCh0_p, HAL_DMA_M8_USE_8_BITS);
HAL_DMA_SET_PRIORITY(dmaCh0_p, HAL_DMA_PRI_HIGH);
// Tell DMA Controller where above configuration can be found
HAL_DMA_SET_ADDR_DESC0(&dmaCh0);
// Arm the DMA channel (0)
HAL_DMA_ARM_CH(0);
// 9 cycles wait
asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop");
asm("nop"); asm("nop"); asm("nop"); asm("nop"); asm("nop");
// Start DMA tranfer
HAL_DMA_MAN_TRIGGER(0);
// Wait for dma to finish.
while(DMAREQ & 0x1);
// Restore bank mapping
MEMCTR = memctr;
#if !defined HAL_OAD_BOOT_CODE
HAL_EXIT_CRITICAL_SECTION(is);
#endif
}
/******************************************************************************
* @fn HalDMAInit
*
* @brief DMA Interrupt Service Routine
*
* @param None
*
* @return None
*****************************************************************************/
void HalDmaInit( void )
{
HAL_DMA_SET_ADDR_DESC0( &dmaCh0 );
HAL_DMA_SET_ADDR_DESC1234( dmaCh1234 );
DMAIE = 1;
}