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@ -10,12 +10,15 @@ BMX055_Accel::BMX055_Accel(I2CBus *bus) : I2CSensor(bus) {} |
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int BMX055_Accel::init() { |
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int BMX055_Accel::init() { |
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int ret = verify_chip_id(BMX055_ACCEL_I2C_REG_ID, {BMX055_ACCEL_CHIP_ID}); |
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int ret = verify_chip_id(BMX055_ACCEL_I2C_REG_ID, {BMX055_ACCEL_CHIP_ID}); |
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if (ret == -1) return -1; |
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if (ret == -1) { |
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goto fail; |
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} |
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ret = set_register(BMX055_ACCEL_I2C_REG_PMU, BMX055_ACCEL_NORMAL_MODE); |
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ret = set_register(BMX055_ACCEL_I2C_REG_PMU, BMX055_ACCEL_NORMAL_MODE); |
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if (ret < 0) { |
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if (ret < 0) { |
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goto fail; |
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goto fail; |
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} |
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} |
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// bmx055 accel has a 1.3ms wakeup time from deep suspend mode
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// bmx055 accel has a 1.3ms wakeup time from deep suspend mode
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util::sleep_for(10); |
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util::sleep_for(10); |
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@ -36,11 +39,15 @@ int BMX055_Accel::init() { |
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goto fail; |
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goto fail; |
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} |
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} |
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enabled = true; |
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fail: |
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fail: |
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return ret; |
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return ret; |
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} |
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} |
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int BMX055_Accel::shutdown() { |
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int BMX055_Accel::shutdown() { |
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if (!enabled) return 0; |
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// enter deep suspend mode (lowest power mode)
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// enter deep suspend mode (lowest power mode)
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int ret = set_register(BMX055_ACCEL_I2C_REG_PMU, BMX055_ACCEL_DEEP_SUSPEND); |
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int ret = set_register(BMX055_ACCEL_I2C_REG_PMU, BMX055_ACCEL_DEEP_SUSPEND); |
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if (ret < 0) { |
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if (ret < 0) { |
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