//*****************************************************************************
//
// Poll the IRQ status register and return.
//
//*****************************************************************************
uint32_t SHA2WaitForIRQFlags(uint32_t irqFlags)
{
uint32_t irqTrigger = 0;
// Wait for the DMA operation to complete. Add a delay to make sure we are
// not flooding the bus with requests too much.
do {
CPUdelay(1);
}
while(!(HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT) & irqFlags & (CRYPTO_IRQSTAT_DMA_IN_DONE_M | CRYPTO_IRQSTAT_RESULT_AVAIL_M)));
// Save the IRQ trigger source
irqTrigger = HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT);
// Clear IRQ flags
HWREG(CRYPTO_BASE + CRYPTO_O_IRQCLR) = irqFlags;
while(HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT) & irqFlags & (CRYPTO_IRQSTAT_DMA_IN_DONE_M | CRYPTO_IRQSTAT_RESULT_AVAIL_M));
return irqTrigger;
}
//*****************************************************************************
//
//! Write the key into the Key Ram.
//
//*****************************************************************************
uint32_t
CRYPTOAesLoadKey(uint32_t *pui32AesKey,
uint32_t ui32KeyLocation)
{
//
// Check the arguments.
//
ASSERT((ui32KeyLocation == CRYPTO_KEY_AREA_0) |
(ui32KeyLocation == CRYPTO_KEY_AREA_1) |
(ui32KeyLocation == CRYPTO_KEY_AREA_2) |
(ui32KeyLocation == CRYPTO_KEY_AREA_3) |
(ui32KeyLocation == CRYPTO_KEY_AREA_4) |
(ui32KeyLocation == CRYPTO_KEY_AREA_5) |
(ui32KeyLocation == CRYPTO_KEY_AREA_6) |
(ui32KeyLocation == CRYPTO_KEY_AREA_7));
//
// Set current operating state of the Crypto module.
//
g_ui32CurrentAesOp = CRYPTO_AES_KEYL0AD;
//
// Disable the external interrupt to stop the interrupt form propagating
// from the module to the CM3.
//
IntDisable(INT_CRYPTO);
//
// Enable internal interrupts.
//
HWREG(CRYPTO_BASE + CRYPTO_O_IRQTYPE) = CRYPTO_INT_LEVEL;
HWREG(CRYPTO_BASE + CRYPTO_O_IRQEN) = CRYPTO_IRQEN_DMA_IN_DONE |
CRYPTO_IRQEN_RESULT_AVAIL;
//
// Configure master control module.
//
HWREG(CRYPTO_BASE + CRYPTO_O_ALGSEL) &= (~CRYPTO_ALGSEL_KEY_STORE);
HWREG(CRYPTO_BASE + CRYPTO_O_ALGSEL) |= CRYPTO_ALGSEL_KEY_STORE;
//
// Clear any outstanding events.
//
HWREG(CRYPTO_BASE + CRYPTO_O_IRQCLR) = (CRYPTO_IRQCLR_DMA_IN_DONE |
CRYPTO_IRQCLR_RESULT_AVAIL);
//
// Configure key store module for 128 bit operation.
//
HWREG(CRYPTO_BASE + CRYPTO_O_KEYSIZE) &= ~CRYPTO_KEYSIZE_SIZE_M;
HWREG(CRYPTO_BASE + CRYPTO_O_KEYSIZE) |= KEY_STORE_SIZE_128;
//
// Enable keys to write (e.g. Key 0).
//
HWREG(CRYPTO_BASE + CRYPTO_O_KEYWRITEAREA) = (0x00000001 << ui32KeyLocation);
//
// Enable Crypto DMA channel 0.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH0CTL) |= CRYPTO_DMACH0CTL_EN;
//
// Base address of the key in ext. memory.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH0EXTADDR) = (uint32_t)pui32AesKey;
//
// Total key length in bytes (e.g. 16 for 1 x 128-bit key).
// Writing the length of the key enables the DMA operation.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH0LEN) = KEY_BLENGTH;
//
// Wait for the DMA operation to complete.
//
do
{
CPUdelay(1);
}
while(!(HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT) & 0x00000001));
//
// Check for errors in DMA and key store.
//
if((HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT) &
(CRYPTO_IRQSTAT_DMA_BUS_ERR |
CRYPTO_IRQSTAT_KEY_ST_WR_ERR)) == 0)
{
//
// Acknowledge/clear the interrupt and disable the master control.
//
HWREG(CRYPTO_BASE + CRYPTO_O_IRQCLR) = (CRYPTO_IRQCLR_DMA_IN_DONE |
CRYPTO_IRQCLR_RESULT_AVAIL);
HWREG(CRYPTO_BASE + CRYPTO_O_ALGSEL) = 0x00000000;
//
// Check status, if error return error code.
//
if(HWREG(CRYPTO_BASE + CRYPTO_O_KEYWRITTENAREA) != (0x00000001 << ui32KeyLocation))
{
g_ui32CurrentAesOp = CRYPTO_AES_NONE;
return (AES_KEYSTORE_READ_ERROR);
}
}
//
// Return success.
//
g_ui32CurrentAesOp = CRYPTO_AES_NONE;
return (AES_SUCCESS);
}
//*****************************************************************************
//
//! Start an AES-ECB operation (encryption or decryption).
//
//*****************************************************************************
uint32_t
CRYPTOAesEcb(uint32_t *pui32MsgIn, uint32_t *pui32MsgOut,
uint32_t ui32KeyLocation, bool bEncrypt,
bool bIntEnable)
{
//
// Set current operating state of the Crypto module.
//
g_ui32CurrentAesOp = CRYPTO_AES_ECB;
//
// Enable internal interrupts.
//
HWREG(CRYPTO_BASE + CRYPTO_O_IRQTYPE) = CRYPTO_INT_LEVEL;
HWREG(CRYPTO_BASE + CRYPTO_O_IRQEN) = CRYPTO_IRQEN_RESULT_AVAIL;
//
// Clear any outstanding interrupts.
//
HWREG(CRYPTO_BASE + CRYPTO_O_IRQCLR) = (CRYPTO_IRQCLR_DMA_IN_DONE |
CRYPTO_IRQCLR_RESULT_AVAIL);
//
// If using interrupts clear any pending interrupts and enable interrupts
// for the Crypto module.
//
if(bIntEnable)
{
IntPendClear(INT_CRYPTO);
IntEnable(INT_CRYPTO);
}
//
// Configure Master Control module.
//
HWREG(CRYPTO_BASE + CRYPTO_O_ALGSEL) = CRYPTO_ALGSEL_AES;
//
//
//
HWREG(CRYPTO_BASE + CRYPTO_O_KEYREADAREA) = ui32KeyLocation;
//
//Wait until key is loaded to the AES module.
//
do
{
CPUdelay(1);
}
while((HWREG(CRYPTO_BASE + CRYPTO_O_KEYREADAREA) & CRYPTO_KEYREADAREA_BUSY));
//
// Check for Key store Read error.
//
if((HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT)& CRYPTO_KEY_ST_RD_ERR))
{
return (AES_KEYSTORE_READ_ERROR);
}
//
// Configure AES engine (program AES-ECB-128 encryption and no
// initialization vector - IV).
//
if(bEncrypt)
{
HWREG(CRYPTO_BASE + CRYPTO_O_AESCTL) = CRYPTO_AES128_ENCRYPT;
}
else
{
HWREG(CRYPTO_BASE + CRYPTO_O_AESCTL) = CRYPTO_AES128_DECRYPT;
}
//
// Write the length of the data.
//
HWREG(CRYPTO_BASE + CRYPTO_O_AESDATALEN0) = AES_ECB_LENGTH;
HWREG(CRYPTO_BASE + CRYPTO_O_AESDATALEN1) = 0;
//
// Enable Crypto DMA channel 0.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH0CTL) |= CRYPTO_DMACH0CTL_EN;
//
// Base address of the input data in ext. memory.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH0EXTADDR) = (uint32_t)pui32MsgIn;
//
// Input data length in bytes, equal to the message.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH0LEN) = AES_ECB_LENGTH;
//
// Enable Crypto DMA channel 1.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH1CTL) |= CRYPTO_DMACH1CTL_EN;
//
// Setup the address and length of the output data.
//
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH1EXTADDR) = (uint32_t)pui32MsgOut;
HWREG(CRYPTO_BASE + CRYPTO_O_DMACH1LEN) = AES_ECB_LENGTH;
//
// Return success
//
return AES_SUCCESS;
}
//*****************************************************************************
//
//! Start CCM operation
//
//*****************************************************************************
uint32_t
CRYPTOCcmAuthEncrypt(bool bEncrypt, uint32_t ui32AuthLength ,
uint32_t *pui32Nonce, uint32_t *pui32PlainText,
uint32_t ui32PlainTextLength, uint32_t *pui32Header,
uint32_t ui32HeaderLength, uint32_t ui32KeyLocation,
uint32_t ui32FieldLength, bool bIntEnable)
{
uint8_t ui8InitVec[16];
uint32_t ui32CtrlVal;
uint32_t i;
uint32_t *pui32CipherText;
//
// Input address for the encryption engine is the same as the output.
//
pui32CipherText = pui32PlainText;
//
// Set current operating state of the Crypto module.
//
g_ui32CurrentAesOp = CRYPTO_AES_CCM;
//
// Disable global interrupt, enable local interrupt and clear any pending
// interrupts.
//
IntDisable(INT_CRYPTO);
HWREG(CRYPTO_BASE + CRYPTO_O_IRQCLR) = (CRYPTO_IRQCLR_DMA_IN_DONE |
CRYPTO_IRQCLR_RESULT_AVAIL);
//
// Enable internal interrupts.
//
HWREG(CRYPTO_BASE + CRYPTO_O_IRQTYPE) = CRYPTO_INT_LEVEL;
HWREG(CRYPTO_BASE + CRYPTO_O_IRQEN) = CRYPTO_IRQEN_DMA_IN_DONE |
CRYPTO_IRQCLR_RESULT_AVAIL;
//
// Configure master control module for AES operation.
//
HWREG(CRYPTO_BASE + CRYPTO_O_ALGSEL) = CRYPTO_ALGSEL_AES;
//
// Enable keys to read (e.g. Key 0).
//
HWREG(CRYPTO_BASE + CRYPTO_O_KEYREADAREA) = ui32KeyLocation;
//
// Wait until key is loaded to the AES module.
//
do
{
CPUdelay(1);
}
while((HWREG(CRYPTO_BASE + CRYPTO_O_KEYREADAREA) & CRYPTO_KEYREADAREA_BUSY));
//
// Check for Key store Read error.
//
if((HWREG(CRYPTO_BASE + CRYPTO_O_IRQSTAT)& CRYPTO_KEY_ST_RD_ERR))
{
return (AES_KEYSTORE_READ_ERROR);
}
//
// Prepare the initialization vector (IV),
// Length of Nonce l(n) = 15 - ui32FieldLength.
//
ui8InitVec[0] = ui32FieldLength - 1;
for(i = 0; i < 12; i++)
{
ui8InitVec[i + 1] = ((uint8_t*)pui32Nonce)[i];
}
if(ui32FieldLength == 2)
{
ui8InitVec[13] = ((uint8_t*)pui32Nonce)[12];
}
else
{
ui8InitVec[13] = 0;
}
ui8InitVec[14] = 0;
ui8InitVec[15] = 0;
//
// Write initialization vector.
//
HWREG(CRYPTO_BASE + CRYPTO_O_AESIV0) = ((uint32_t *)&ui8InitVec)[0];
HWREG(CRYPTO_BASE + CRYPTO_O_AESIV1) = ((uint32_t *)&ui8InitVec)[1];
HWREG(CRYPTO_BASE + CRYPTO_O_AESIV2) = ((uint32_t *)&ui8InitVec)[2];
HWREG(CRYPTO_BASE + CRYPTO_O_AESIV3) = ((uint32_t *)&ui8InitVec)[3];
//
// Configure AES engine.
//
ui32CtrlVal = ((ui32FieldLength - 1) << CRYPTO_AESCTL_CCM_L_S);
if ( ui32AuthLength >= 2 ) {
ui32CtrlVal |= ((( ui32AuthLength - 2 ) >> 1 ) << CRYPTO_AESCTL_CCM_M_S );
}
int main(void) {
uint8_t payload[ADVLEN];
//Disable JTAG to allow for Standby
AONWUCJtagPowerOff();
//Force AUX on
powerEnableAuxForceOn();
powerEnableRFC();
powerEnableXtalInterface();
// Divide INF clk to save Idle mode power (increases interrupt latency)
powerDivideInfClkDS(PRCM_INFRCLKDIVDS_RATIO_DIV32);
initRTC();
powerEnablePeriph();
powerEnableGPIOClockRunMode();
/* Wait for domains to power on */
while((PRCMPowerDomainStatus(PRCM_DOMAIN_PERIPH) != PRCM_DOMAIN_POWER_ON));
sensorsInit();
ledInit();
//Config IOID4 for external interrupt on rising edge and wake up
//IOCPortConfigureSet(BOARD_IOID_KEY_RIGHT, IOC_PORT_GPIO, IOC_IOMODE_NORMAL | IOC_FALLING_EDGE | IOC_INT_ENABLE | IOC_IOPULL_UP | IOC_INPUT_ENABLE | IOC_WAKE_ON_LOW);
// Config reedSwitch as input
IOCPortConfigureSet(BOARD_IOID_DP0, IOC_PORT_GPIO, IOC_IOMODE_NORMAL | IOC_RISING_EDGE | IOC_INT_ENABLE | IOC_IOPULL_DOWN | IOC_INPUT_ENABLE | IOC_WAKE_ON_HIGH);
//Set device to wake MCU from standby on PIN 4 (BUTTON1)
HWREG(AON_EVENT_BASE + AON_EVENT_O_MCUWUSEL) = AON_EVENT_MCUWUSEL_WU0_EV_PAD; //Does not work with AON_EVENT_MCUWUSEL_WU0_EV_PAD4 --> WHY??
IntEnable(INT_EDGE_DETECT);
powerDisablePeriph();
//Disable clock for GPIO in CPU run mode
HWREGBITW(PRCM_BASE + PRCM_O_GPIOCLKGR, PRCM_GPIOCLKGR_CLK_EN_BITN) = 0;
// Load clock settings
HWREGBITW(PRCM_BASE + PRCM_O_CLKLOADCTL, PRCM_CLKLOADCTL_LOAD_BITN) = 1;
initInterrupts();
initRadio();
// baek: before while
powerEnablePeriph();
powerEnableGPIOClockRunMode();
/* Wait for domains to power on */
while((PRCMPowerDomainStatus(PRCM_DOMAIN_PERIPH) != PRCM_DOMAIN_POWER_ON)); // CRASH !!!!!!!!!!!!!!
sensorsInit();
ledInit();
// end baek:
// Turn off FLASH in idle mode
powerDisableFlashInIdle();
// Cache retention must be enabled in Idle if flash domain is turned off (to avoid cache corruption)
powerEnableCacheRetention();
//AUX - request to power down (takes no effect since force on is set)
powerEnableAUXPdReq();
powerDisableAuxRamRet();
//Clear payload buffer
memset(payload, 0, ADVLEN);
while(1) {
//if((g_count& 0x04)== 1){
rfBootDone = 0;
rfSetupDone = 0;
rfAdvertisingDone = 0;
select_bmp_280(); // activates I2C for bmp-sensor
enable_bmp_280(1); // works
//Wait until RF Core PD is ready before accessing radio
waitUntilRFCReady();
initRadioInts();
runRadio();
//Wait until AUX is ready before configuring oscillators
waitUntilAUXReady();
//Enable 24MHz XTAL
OSCHF_TurnOnXosc();
//IDLE until BOOT_DONE interrupt from RFCore is triggered
while( ! rfBootDone) {
powerDisableCPU();
PRCMDeepSleep();
}
//This code runs after BOOT_DONE interrupt has woken up the CPU again
// ->
//Request radio to keep on system bus
radioCmdBusRequest(true);
//Patch CM0 - no RFE patch needed for TX only
radioPatch();
//Start radio timer
radioCmdStartRAT();
//Enable Flash access while doing radio setup
powerEnableFlashInIdle();
//Switch to XTAL
while( !OSCHF_AttemptToSwitchToXosc())
{}
/* baek: before while
powerEnablePeriph();
powerEnableGPIOClockRunMode();
/* Wait for domains to power on */
/* while((PRCMPowerDomainStatus(PRCM_DOMAIN_PERIPH) != PRCM_DOMAIN_POWER_ON)); // CRASH !!!!!!!!!!!!!!
sensorsInit();
ledInit();
*/
/*****************************************************************************************/
// Read sensor values
uint32_t pressure = 0; // only 3 Bytes used
//uint32_t temp = 0;
select_bmp_280(); // activates I2C for bmp-sensor
enable_bmp_280(1); // works
do{
pressure = value_bmp_280(BMP_280_SENSOR_TYPE_PRESS); // read and converts in pascal (96'000 Pa)
//temp = value_bmp_280(BMP_280_SENSOR_TYPE_TEMP);
}while(pressure == 0x80000000);
if(pressure == 0x80000000){
CPUdelay(100);
pressure = value_bmp_280(BMP_280_SENSOR_TYPE_PRESS); // read and converts in pascal (96'000 Pa)
}
//Start Temp measurement
uint16_t temperature;
enable_tmp_007(1);
//Wait for, read and calc temperature
{
int count = 0;
do{
temperature = value_tmp_007(TMP_007_SENSOR_TYPE_AMBIENT);
//g_count++;
}while( ((temperature == 0x80000000) || (temperature == 0)) && (count <=5) );
count++;
count--;
}
enable_tmp_007(0);
char char_temp[2];
//start hum measurement
configure_hdc_1000();
start_hdc_1000();
// //Wait for, read and calc humidity
while(!read_data_hdc_1000());
int humidity = value_hdc_1000(HDC_1000_SENSOR_TYPE_HUMIDITY);
// char char_hum[5];
//END read sensor values
/*****************************************************************************************/
powerDisablePeriph();
// Disable clock for GPIO in CPU run mode
HWREGBITW(PRCM_BASE + PRCM_O_GPIOCLKGR, PRCM_GPIOCLKGR_CLK_EN_BITN) = 0;
// Load clock settings
HWREGBITW(PRCM_BASE + PRCM_O_CLKLOADCTL, PRCM_CLKLOADCTL_LOAD_BITN) = 1;
/*****************************************************************************************/
// Set payload and transmit
uint8_t p;
p = 0;
/*jedes 5.te mal senden*/
payload[p++] = ADVLEN-1; /* len */
payload[p++] = 0x03;
payload[p++] = 0xde;
payload[p++] = 0xba;
payload[p++] =(sequenceNumber >> 8); // laufnummer
payload[p++] = sequenceNumber;
// Speed
payload[p++] = g_diff >> 24; // higher seconds
payload[p++] = g_diff >> 16; // lower seconds
payload[p++] = g_diff >> 8; // higher subseconds
payload[p++] = g_diff; // lower subseconds
//pressure
payload[p++] = 0;
payload[p++] = 0; //(pressure >> 16);
payload[p++] = 0; //(pressure >> 8);
payload[p++] = 0; //pressure;
//temperature
payload[p++] = 0;
payload[p++] = 0; // char_temp[2];
payload[p++] = 0;//temperature >> 8; // char_temp[1];
payload[p++] = 0; //temperature; //char_temp[0];
// huminity
payload[p++] = 0;
payload[p++] = 0;//char_hum[0];
payload[p++] = 0;//char_hum[1];
payload[p++] = 0;//char_hum[2];
payload[p++] = 0;
payload[p++] = 0;
//Start radio setup and linked advertisment
radioUpdateAdvData(ADVLEN, payload);
//Start radio setup and linked advertisment
radioSetupAndTransmit();
//}
//END: Transmit
/*****************************************************************************************/
//Wait in IDLE for CMD_DONE interrupt after radio setup. ISR will disable radio interrupts
while( ! rfSetupDone) {
powerDisableCPU();
PRCMDeepSleep();
}
//Disable flash in IDLE after CMD_RADIO_SETUP is done (radio setup reads FCFG trim values)
powerDisableFlashInIdle();
//Wait in IDLE for LAST_CMD_DONE after 3 adv packets
while( ! rfAdvertisingDone) {
powerDisableCPU();
PRCMDeepSleep();
}
//Request radio to not force on system bus any more
radioCmdBusRequest(false);
// } // end if
// g_count++;
//
// Standby procedure
//
powerDisableXtal();
// Turn off radio
powerDisableRFC();
// Switch to RCOSC_HF
OSCHfSourceSwitch();
// Allow AUX to turn off again. No longer need oscillator interface
powerDisableAuxForceOn();
// Goto Standby. MCU will now request to be powered down on DeepSleep
powerEnableMcuPdReq();
// Disable cache and retention
powerDisableCache();
powerDisableCacheRetention();
//Calculate next recharge
SysCtrlSetRechargeBeforePowerDown(XOSC_IN_HIGH_POWER_MODE);
// Synchronize transactions to AON domain to ensure AUX has turned off
SysCtrlAonSync();
//
// Enter Standby
//
powerDisableCPU();
PRCMDeepSleep();
SysCtrlAonUpdate();
SysCtrlAdjustRechargeAfterPowerDown();
SysCtrlAonSync();
//
// Wakeup from RTC, code starts execution from here
//
powerEnableRFC();
powerEnableAuxForceOn();
//Re-enable cache and retention
powerEnableCache();
powerEnableCacheRetention();
//MCU will not request to be powered down on DeepSleep -> System goes only to IDLE
powerDisableMcuPdReq();
}
}
