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About Katie2020
since
11-29-2020
11-12-2022
Katie2020
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11-11-2022
08:36 PM
Hi Bosch Team, We recently moved from bmi160 to bmi270. I accidently programmed a bmi270 board with the bmi160 firmware. After reprogramming the board with the correct firmware (that contains the bmi270 driver), bmi270 is failing to initialise. Do you think programming the bmi270 with the wrong driver would cause a permenant failure or can it recover? Many thanks
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05-22-2022
02:10 PM
Hi all, I am monitoring the acceleromter and gyro static offsets as I'd like to know if they change throughout the sensor lifetime. I see significant changes after a couple of months even though the harwdware hasn't changed. Is this expected? If yes, what can explain these changes? Thank you
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03-03-2022
12:58 PM
Hi all, I am having issues with reading interrupt status with BMI270. I used to use BMI160 and I recently moved to BMI270. I am porting the application code from using BMI160 to BMI270. I wish to keep the exact same functionalities I had with BMI160 so I am using BMI270 in 'legacy' mode. My issue is after enbaling any interrupt I don't get the status from bmi2_get_int_status(). I am using FLAT and TAP interrupts. The desired behaviour is to get from bmi2_get_int_status() int_status = 0x10 when FLAT is detected and 0x08 when TAP is detected. I don't understand why bmi2_get_int_status() is returning 0x08 all the time. I tried to enable only FLAT and I followed for that exactly the flat example on GitHub (link) but it dien't work for. What am I missing? Can you please help me as I ran out of ideas? Many thanks
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02-26-2022
11:58 AM
Hi all I used to use bmi160 for my application and I am upgrading to bmi270. I am struggling to make work the functionalities I used to have with bmi160. I am using interrupts examples from GitHub https://github.com/BoschSensortec/BMI270-Sensor-API/tree/master/bmi270_legacy_examples but I got only one working - TAP interrupt. I am using bmi270 in 'legacy' mode. See below my initilisation function. I have 2 sensors: I use interrupts to wake up the MCU + accelemorter and gyro data to process. ss_dev_addr[SS_SENS1] = BMI270_ADDR1;
ss_dev_addr[SS_SENS2] = BMI270_ADDR2;
for (uint8_t i = SS_SENS1; i < SS_SENS_MAX; i++)
{
/* Init sensor */
ss_sens[i].intf = BMI2_I2C_INTF;
ss_sens[i].read = bmi_read;
ss_sens[i].write = bmi_write;
ss_sens[i].delay_us = bmi_delay_us;
ss_sens[i].intf_ptr = &ss_dev_addr[i];
ss_sens[i].read_write_len = 64;
ss_sens[i].config_file_ptr = NULL;
EM_ASSERT(rslt = bmi270_legacy_init(&ss_sens[i]),
EM_ERROR_SS,
EM_ACTION_RESET_SYSTEM);
bmi2_error_codes_print_result(rslt);
EM_ASSERT(ss_sens[i].chip_id == BMI270_CHIP_ID,
EM_ERROR_SS,
EM_ACTION_RESET_SYSTEM);
// Interrupt PINs configuration
struct bmi2_int_pin_config data_int_cfg;
data_int_cfg.pin_type = BMI2_INT1;
data_int_cfg.int_latch = BMI2_INT_NON_LATCH;
data_int_cfg.pin_cfg[0].output_en = BMI2_INT_OUTPUT_ENABLE; // Output enabled
data_int_cfg.pin_cfg[0].od = BMI2_INT_PUSH_PULL; // OpenDrain disabled
data_int_cfg.pin_cfg[0].lvl = BMI2_INT_ACTIVE_HIGH; // Signal Low Active
data_int_cfg.pin_cfg[0].input_en = BMI2_INT_INPUT_DISABLE; // Input Disabled
rslt = bmi2_set_int_pin_config(&data_int_cfg, &ss_sens[i]);
bmi2_error_codes_print_result(rslt);
} My understaing is using bmi270_legacy_init() instead of bmi270_init() would make bmi270 function as bmi160. Is that correct? Any advice would be much appreciated. Many thanks
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