successfully reading temperature from BMX
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@ -46,7 +46,7 @@ int main(void)
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}
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}
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printf("Initialized %s\n", dev->name);
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LOG_INF("Initialized %s\n", dev->name);
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if (cfb_framebuffer_init(dev))
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{
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@ -106,7 +106,7 @@ int main(void)
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LOG_ERR("Device %s not ready\n", bmx->name);
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return 0;
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}
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printf("Initialized %s\n", bmx->name);
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LOG_INF("Initialized %s\n", bmx->name);
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// hdc = DEVICE_DT_GET(DT_NODELABEL(hdc1080));
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// if (!device_is_ready(dev))
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@ -156,7 +156,20 @@ int main(void)
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LOG_ERR("Could not get pressure (%d)", ret);
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return 0;
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}
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ret = sensor_channel_get(bmp, SENSOR_CHAN_AMBIENT_TEMP, &temperature);
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// ret = sensor_channel_get(bmp, SENSOR_CHAN_AMBIENT_TEMP, &temperature);
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// if (ret < 0)
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// {
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// LOG_ERR("Could not get temperature (%d)", ret);
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// return 0;
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// }
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ret = sensor_sample_fetch(bmx);
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if (ret < 0)
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{
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LOG_ERR("Could not fetch sample (%d)", ret);
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return 0;
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}
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ret = sensor_channel_get(bmx, SENSOR_CHAN_DIE_TEMP, &temperature);
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if (ret < 0)
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{
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LOG_ERR("Could not get temperature (%d)", ret);
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@ -182,7 +195,7 @@ int main(void)
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sprintf(str_t, "T:%03d.%04d", temperature.val1, temperature.val2 / 100);
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sprintf(str_h, "H:%05d.%06d", humidity.val1, humidity.val2);
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printf("%s\t%s\t%s\t%s\n", str_v, str_i, str_p, str_t);
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// printf("%s\t%s\t%s\t%s\n", str_v, str_i, str_p, str_t);
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cfb_framebuffer_clear(dev, false);
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if (cfb_print(dev, str_v, 0, 0))
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@ -13,9 +13,72 @@
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(bmx055, CONFIG_SENSOR_LOG_LEVEL);
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// Accelerometer registers
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const uint8_t REG_BWG_CHIPID = 0x00;
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const uint8_t REG_ACCD_X_LSB = 0x02;
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const uint8_t REG_ACCD_X_MSB = 0x03;
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const uint8_t REG_ACCD_Y_LSB = 0x04;
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const uint8_t REG_ACCD_Y_MSB = 0x05;
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const uint8_t REG_ACCD_Z_LSB = 0x06;
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const uint8_t REG_ACCD_Z_MSB = 0x07;
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const uint8_t REG_ACCD_TEMP = 0x08;
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const uint8_t REG_INT_STATUS_0 = 0x09;
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const uint8_t REG_INT_STATUS_1 = 0x0A;
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const uint8_t REG_INT_STATUS_2 = 0x0B;
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const uint8_t REG_INT_STATUS_3 = 0x0C;
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const uint8_t REG_FIFO_STATUS = 0x0E;
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const uint8_t REG_PMU_RANGE = 0x0F;
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const uint8_t REG_PMU_BW = 0x10;
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const uint8_t REG_PMU_LPW = 0x11;
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const uint8_t REG_PMU_LOW_POWER = 0x12;
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const uint8_t REG_ACCD_HBW = 0x13;
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const uint8_t REG_BGW_SOFTRESET = 0x14;
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const uint8_t REG_INT_EN_0 = 0x16;
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const uint8_t REG_INT_EN_1 = 0x17;
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const uint8_t REG_INT_EN_2 = 0x18;
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const uint8_t REG_INT_MAP_0 = 0x19;
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const uint8_t REG_INT_MAP_1 = 0x1A;
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const uint8_t REG_INT_MAP_2 = 0x1B;
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const uint8_t REG_INT_SRC = 0x1E;
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const uint8_t REG_INT_OUT_CTRL = 0x20;
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const uint8_t REG_INT_RST_LATCH = 0x21;
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const uint8_t REG_INT_0 = 0x22;
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const uint8_t REG_INT_1 = 0x23;
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const uint8_t REG_INT_2 = 0x24;
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const uint8_t REG_INT_3 = 0x25;
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const uint8_t REG_INT_4 = 0x26;
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const uint8_t REG_INT_5 = 0x27;
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const uint8_t REG_INT_6 = 0x28;
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const uint8_t REG_INT_7 = 0x29;
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const uint8_t REG_INT_8 = 0x2A;
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const uint8_t REG_INT_9 = 0x2B;
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const uint8_t REG_INT_A = 0x2C;
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const uint8_t REG_INT_B = 0x2D;
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const uint8_t REG_INT_C = 0x2E;
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const uint8_t REG_INT_D = 0x2F;
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const uint8_t REG_FIFO_CONFIG_0 = 0x30;
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const uint8_t REG_PMU_SELF_TEST = 0x32;
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const uint8_t REG_TRIM_NVM_CTRL = 0x33;
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const uint8_t REG_BGW_SPI3_WDT = 0x34;
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const uint8_t REG_OFC_CTRL = 0x36;
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const uint8_t REG_OFC_SETTING = 0x37;
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const uint8_t REG_OFC_OFFSET_X = 0x38;
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const uint8_t REG_OFC_OFFSET_Y = 0x39;
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const uint8_t REG_OFC_OFFSET_Z = 0x3A;
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const uint8_t REG_TRIM_GP0 = 0x3B;
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const uint8_t REG_TRIM_GP1 = 0x3C;
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const uint8_t REG_FIFO_CONFIG_1 = 0x3E;
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const uint8_t REG_FIFO_DATA = 0x3F;
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struct bmx055_data
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{
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int state;
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int16_t accel_x;
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int16_t accel_y;
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int16_t accel_z;
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int16_t gyro_x;
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int16_t gyro_y;
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int16_t gyro_z;
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int8_t temperature;
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};
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struct bmx055_config
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@ -29,40 +92,19 @@ struct bmx055_config
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#endif /* CONFIG_INA230_TRIGGER */
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};
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// int bmx055_reg_read(const struct i2c_dt_spec *bus, uint8_t reg, uint8_t *val)
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// {
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// uint8_t data[2];
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// int ret;
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// ret = i2c_burst_read_dt(bus, reg, data, sizeof(data));
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// if (ret < 0)
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// {
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// return ret;
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// }
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// *val = sys_get_be16(data);
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// return ret;
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// }
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// int bmx055_reg_write(const struct i2c_dt_spec *bus, uint8_t reg, uint8_t val)
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// {
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// uint8_t tx_buf[2];
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// tx_buf[0] = reg;
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// tx_buf[1] = val;
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// return i2c_write_dt(bus, tx_buf, sizeof(tx_buf));
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// }
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static int bmx055_sample_fetch(const struct device *dev,
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enum sensor_channel chan)
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{
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// const struct bmx055_config *config = dev->config;
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const struct bmx055_config *config = dev->config;
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struct bmx055_data *data = dev->data;
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int ret;
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// data->state = gpio_pin_get_dt(&config->input);
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data->state = 0;
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ret = i2c_burst_read_dt(&config->bus, REG_ACCD_TEMP, &data->temperature, sizeof(data->temperature));
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if (ret < 0)
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{
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LOG_ERR("Failed to read temperature register!");
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return ret;
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}
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return 0;
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}
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@ -73,13 +115,17 @@ static int bmx055_channel_get(const struct device *dev,
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{
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struct bmx055_data *data = dev->data;
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if (chan != SENSOR_CHAN_PROX)
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switch (chan)
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{
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case SENSOR_CHAN_DIE_TEMP:
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// 0.5K/LSB, center temperature is 23C
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val->val1 = 23 + data->temperature / 2;
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val->val2 = 0; // TODO: don't throw out LSB
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break;
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default:
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return -ENOTSUP;
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}
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val->val1 = data->state;
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return 0;
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}
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@ -99,7 +145,6 @@ static int bmx055_init(const struct device *dev)
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return -ENODEV;
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}
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const uint8_t REG_BWG_CHIPID = 0x00;
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uint8_t chip_id;
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ret = i2c_burst_read_dt(&config->bus, REG_BWG_CHIPID, &chip_id, sizeof(chip_id));
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if (ret < 0)
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