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I2C bus upgrade (#432)

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Zaltora 2017-09-01 06:29:32 -03:00 • committed by Ruslan V. Uss
parent d100f42b1f
commit b83c2629b9
56 changed files with 909 additions and 804 deletions
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19
examples/ads1115_test/main.c
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@ -17,6 +17,7 @@
// Connect ADDR pin to GND
#define ADDR ADS111X_ADDR_GND
#define I2C_BUS 0
#define SCL_PIN 5
#define SDA_PIN 4
@ -28,23 +29,27 @@ void user_init(void)
uart_set_baud(0, 115200);
printf("SDK version:%s\n", sdk_system_get_sdk_version());
i2c_init(SCL_PIN, SDA_PIN);
i2c_dev_t dev = {
.addr = ADDR,
.bus = I2C_BUS,
};
i2c_init(I2C_BUS, SCL_PIN, SDA_PIN, I2C_FREQ_100K);
ads111x_set_mode(ADDR, ADS111X_MODE_CONTUNOUS);
ads111x_set_data_rate(ADDR, ADS111X_DATA_RATE_32);
ads111x_set_mode(&dev, ADS111X_MODE_CONTUNOUS);
ads111x_set_data_rate(&dev, ADS111X_DATA_RATE_32);
ads111x_set_input_mux(ADDR, ADS111X_MUX_0_GND);
ads111x_set_gain(ADDR, GAIN);
ads111x_set_input_mux(&dev, ADS111X_MUX_0_GND);
ads111x_set_gain(&dev, GAIN);
float gain_val = ads111x_gain_values[GAIN];
while (true)
{
// wait for conversion end
while (ads111x_busy(ADDR)) {}
while (ads111x_busy(&dev)) {}
// Read result
int16_t raw = ads111x_get_value(ADDR);
int16_t raw = ads111x_get_value(&dev);
float voltage = gain_val / ADS111X_MAX_VALUE * raw;