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Prints data bits, range status, and distance (mm)
Fork of VL53L1X_Pololu by
Revision 1:67ced5a2c689, committed 2018-07-31
- Comitter:
- cpbenite
- Date:
- Tue Jul 31 23:47:38 2018 +0000
- Parent:
- 0:76ea242a637f
- Commit message:
- Prints data bits, range status, and distance (mm)
Changed in this revision
diff -r 76ea242a637f -r 67ced5a2c689 VL53L1X.cpp --- a/VL53L1X.cpp Mon Jul 30 18:45:53 2018 +0000 +++ b/VL53L1X.cpp Tue Jul 31 23:47:38 2018 +0000 @@ -55,7 +55,7 @@ // VL53L1_poll_for_boot_completion() begin startTimeout(); - int firmware = (readReg(FIRMWARE__SYSTEM_STATUS)); + int firmware = (readReg16Bit(FIRMWARE__SYSTEM_STATUS)); printf("firmware : %x\r\n", firmware); while ((readReg(FIRMWARE__SYSTEM_STATUS) & 0x01) == 0) { @@ -183,6 +183,18 @@ // Write a 32-bit register +/* +void VL53L1X::writeReg32Bit(uint16_t registerAddr, uint32_t data) +{ + char data_write[5]; + data_write[0] = (registerAddr >> 8) & 0xFF; //MSB of register address + data_write[1] = registerAddr & 0xFF; //LSB of register address + data_write[2] = (data >> 16) & 0xFF; + data_write[3] = (data >> 8) & 0xFF; + data_write[4] = data & 0xFF; + _i2c.write(address, data_write, 5); +} +*/ void VL53L1X::writeReg32Bit(uint16_t registerAddr, uint32_t data) { char data_write[6]; @@ -193,16 +205,9 @@ data_write[4] = (data >> 8) & 0xFF;; data_write[5] = data & 0xFF; _i2c.write(address, data_write, 6); - // _i2c.beginTransmission(address); - /* _i2c.write((reg >> 8) & 0xFF); // reg high byte - _i2c.write( reg & 0xFF); // reg low byte - _i2c.write((value >> 24) & 0xFF); // value highest byte - _i2c.write((value >> 16) & 0xFF); - _i2c.write((value >> 8) & 0xFF); - _i2c.write( value & 0xFF); // value lowest byte - //last_status = _i2c.endTransmission();*/ } + // Read an 8-bit register uint8_t VL53L1X::readReg(uint16_t registerAddr) { @@ -261,7 +266,7 @@ { // save existing timing budget uint32_t budget_us = getMeasurementTimingBudget(); - printf("budget_us = %d", budget_us); + printf("budget_us = %d\n", budget_us); switch (mode) { case Short: @@ -445,17 +450,23 @@ } // Returns a range reading in millimeters when continuous mode is active -// (readRangeSingleMillimeters() also calls this function after starting a +// (readRangeSingleMillimetersx () also calls this function after starting a // single-shot range measurement) uint16_t VL53L1X::read(bool blocking) { if (blocking) { + //printf("Blocked. "); startTimeout(); + //printf("Timeout started. "); + + /* dataReady returns 0. Loop is never entered. */ while (dataReady()) { + printf("Data. "); if (checkTimeoutExpired()) { + printf("Timeout expired. "); did_timeout = true; ranging_data.range_status = None; ranging_data.range_mm = 0; @@ -464,14 +475,17 @@ return ranging_data.range_mm; } } + printf("\n"); } readResults(); if (!calibrated) { + //printf("Not calibrated"); setupManualCalibration(); calibrated = true; + //printf(". Jk now it is.\n"); } updateDSS(); @@ -568,18 +582,29 @@ // read measurement results into buffer void VL53L1X::readResults() { -// char infoToWrite[2]; - char infoToRead[17]; + char infoToWrite[2]; + char infoToRead[18]; //_i2c.beginTransmission(address); - _i2c.write((RESULT__RANGE_STATUS >> 8) & 0xFF); // reg high byte - _i2c.write( RESULT__RANGE_STATUS & 0xFF); // reg low byte + //_i2c.write(address); + //_i2c.write((RESULT__RANGE_STATUS >> 8) & 0xFF); // reg high byte + //_i2c.write( RESULT__RANGE_STATUS & 0xFF); // reg low byte // last_status = _i2c.endTransmission(); + infoToWrite[0] = ((RESULT__RANGE_STATUS >> 8) & 0xFF); + infoToWrite[1] = ( RESULT__RANGE_STATUS & 0xFF); + _i2c.write(address, infoToWrite, 2, 1); // _i2c.requestFrom(address, (uint8_t)17); _i2c.read(address, infoToRead, 17, 0); + + for(int i = 0; i < 17; i++){ + printf("%x ", infoToRead[i]); + } + printf("\n"); + //wait_us(79); results.range_status = infoToRead[0]; + // infoToRead[1]; // report_status: not used results.stream_count = infoToRead[2]; @@ -665,7 +690,7 @@ // Basically, this appears to scale the result by 2011/2048, or about 98% // (with the 1024 added for proper rounding). ranging_data.range_mm = ((uint32_t)range * 2011 + 0x0400) / 0x0800; - + printf("Range Status: "); // VL53L1_copy_sys_and_core_results_to_range_results() end // set range_status in ranging_data based on value of RESULT__RANGE_STATUS register @@ -678,39 +703,48 @@ case 3: // NOVHVVALUEFOUND // from SetSimpleData() ranging_data.range_status = HardwareFail; + printf("HardwareFail\n"); break; case 13: // USERROICLIP // from SetSimpleData() ranging_data.range_status = MinRangeFail; + printf("MinRangeFail\n"); break; case 18: // GPHSTREAMCOUNT0READY ranging_data.range_status = SynchronizationInt; + printf("SynchronizationInt\n"); break; case 5: // RANGEPHASECHECK ranging_data.range_status = OutOfBoundsFail; + printf("OutofBoundsFail\n"); break; case 4: // MSRCNOTARGET ranging_data.range_status = SignalFail; + printf("SignalFail\n"); break; case 6: // SIGMATHRESHOLDCHECK ranging_data.range_status = SignalFail; + printf("SignalFail\n"); break; case 7: // PHASECONSISTENCY ranging_data.range_status = WrapTargetFail; + printf("WrapTargetFail\n"); break; case 12: // RANGEIGNORETHRESHOLD ranging_data.range_status = XtalkSignalFail; + printf("XtalkSignalFail\n"); break; case 8: // MINCLIP ranging_data.range_status = RangeValidMinRangeClipped; + printf("Range Valid Min Range Clipped\n"); break; case 9: // RANGECOMPLETE @@ -718,15 +752,18 @@ if (results.stream_count == 0) { ranging_data.range_status = RangeValidNoWrapCheckFail; + printf("Range Valid No Wrap Check Fail \n"); } else { ranging_data.range_status = RangeValid; + printf("Range Valid\n"); } break; default: ranging_data.range_status = None; + printf("None\n"); } // from SetSimpleData()
diff -r 76ea242a637f -r 67ced5a2c689 VL53L1X.h --- a/VL53L1X.h Mon Jul 30 18:45:53 2018 +0000 +++ b/VL53L1X.h Tue Jul 31 23:47:38 2018 +0000 @@ -1300,9 +1300,9 @@ // check if sensor has new reading available // assumes interrupt is active low (GPIO_HV_MUX__CTRL bit 4 is 1) bool dataReady() { - int isThereData = readReg(GPIO__TIO_HV_STATUS); - printf("%x\r\n", isThereData); - return (isThereData & 0x01) == 0; + int isThereData = readReg(GPIO__TIO_HV_STATUS); + //printf("Data: %x\r\n", isThereData); /* Returns 3 */ + return (isThereData & 0x01) == 0; } static const char * rangeStatusToString(RangeStatus status);
diff -r 76ea242a637f -r 67ced5a2c689 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Jul 31 23:47:38 2018 +0000 @@ -0,0 +1,17 @@ +#include "VL53L1X.h" + +DigitalOut led1 (LED1); +DigitalOut led2 (LED2); +VL53L1X L (D14, D15); + +int main() { + led1 = !led1; + L.init(); + + while (1) { + L.startContinuous(10); + printf("Distance (mm): %d\n", L.read()); + L.stopContinuous(); + wait_ms(.500); + } +} \ No newline at end of file
diff -r 76ea242a637f -r 67ced5a2c689 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Jul 31 23:47:38 2018 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/a7c7b631e539 \ No newline at end of file