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| Rev 18 | Rev 20 | ||
|---|---|---|---|
| Line 58... | Line 58... | ||
| 58 | .delay_ms = user_delay_ms, |
58 | .delay_ms = user_delay_ms, |
| 59 | 59 | ||
| 60 | /* Update interface pointer with the structure that contains both device address and file descriptor */ |
60 | /* Update interface pointer with the structure that contains both device address and file descriptor */ |
| 61 | .dev_id = BMP280_I2C_ADDR_PRIM}; |
61 | .dev_id = BMP280_I2C_ADDR_PRIM}; |
| 62 | 62 | ||
| - | 63 | struct bmp280_dev bmpAtm = |
|
| - | 64 | { |
|
| - | 65 | .intf = BMP280_I2C_INTF, |
|
| - | 66 | .read = user_i2c_read, |
|
| - | 67 | .write = user_i2c_write, |
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| - | 68 | .delay_ms = user_delay_ms, |
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| - | 69 | ||
| - | 70 | /* Update interface pointer with the structure that contains both device address and file descriptor */ |
|
| - | 71 | .dev_id = BMP280_I2C_ADDR_SEC}; |
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| - | 72 | ||
| 63 | struct bmp280_config conf; |
73 | struct bmp280_config conf; |
| 64 | 74 | ||
| 65 | uint8_t init_bmp(I2C_HandleTypeDef *i2c) |
75 | uint8_t init_bmp(I2C_HandleTypeDef *i2c,struct bmp280_dev * bmp) |
| 66 | { |
76 | { |
| 67 | // copy the I2c handle over |
77 | // copy the I2c handle over |
| 68 | hi2c = i2c; |
78 | hi2c = i2c; |
| 69 | int8_t rslt = bmp280_init(&bmp); |
79 | int8_t rslt = bmp280_init(bmp); |
| 70 | if (rslt != BMP280_OK) |
80 | if (rslt != BMP280_OK) |
| 71 | return rslt; |
81 | return rslt; |
| 72 | 82 | ||
| 73 | rslt = bmp280_get_config(&conf, &bmp); |
83 | rslt = bmp280_get_config(&conf, bmp); |
| 74 | if (rslt != BMP280_OK) |
84 | if (rslt != BMP280_OK) |
| 75 | return rslt; |
85 | return rslt; |
| 76 | /* configuring the temperature oversampling, filter coefficient and output data rate */ |
86 | /* configuring the temperature oversampling, filter coefficient and output data rate */ |
| 77 | /* Overwrite the desired settings */ |
87 | /* Overwrite the desired settings */ |
| 78 | conf.filter = BMP280_FILTER_COEFF_4; |
88 | conf.filter = BMP280_FILTER_COEFF_4; |
| 79 | 89 | ||
| 80 | /* Temperature oversampling set at 4x */ |
90 | /* Temperature oversampling set at 1x */ |
| 81 | conf.os_temp = BMP280_OS_1X; |
91 | conf.os_temp = BMP280_OS_1X; |
| 82 | 92 | ||
| 83 | /* Pressure over sampling none (disabling pressure measurement) */ |
93 | /* Pressure over sampling 4x */ |
| 84 | conf.os_pres = BMP280_OS_4X; |
94 | conf.os_pres = BMP280_OS_4X; |
| 85 | 95 | ||
| 86 | /* Setting the output data rate as 8HZ(500ms) */ |
96 | /* Setting the output data rate as 8HZ(500ms) */ |
| 87 | conf.odr = BMP280_ODR_125_MS; |
97 | conf.odr = BMP280_ODR_125_MS; |
| 88 | rslt = bmp280_set_config(&conf, &bmp); |
98 | rslt = bmp280_set_config(&conf, bmp); |
| 89 | if (rslt != BMP280_OK) |
99 | if (rslt != BMP280_OK) |
| 90 | return rslt; |
100 | return rslt; |
| 91 | 101 | ||
| 92 | /* Always set the power mode after setting the configuration */ |
102 | /* Always set the power mode after setting the configuration */ |
| 93 | rslt = bmp280_set_power_mode(BMP280_NORMAL_MODE, &bmp); |
103 | rslt = bmp280_set_power_mode(BMP280_NORMAL_MODE, bmp); |
| 94 | return rslt; |
104 | return rslt; |
| 95 | } |
105 | } |