![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
I2C not yet integrated
Tested working with single and differential voltages.
Connect SCL (pin 11) to D15 Connect SDA (pin 10) to D14 Connect pin 16 to +5v Connect pin 9 to gnd
Diff: main.cpp
- Revision:
- 4:85017622b676
- Parent:
- 3:34e56211d5b6
- Child:
- 5:8aa0f4e6788c
--- a/main.cpp Thu Dec 08 19:58:24 2016 +0000 +++ b/main.cpp Thu Dec 08 21:42:33 2016 +0000 @@ -9,7 +9,7 @@ //These pins for the nucleo nucleo f401re LTC2991 *ltc0 = new LTC2991(I2C_SDA, I2C_SCL); LTC2991 *ltc1 = new LTC2991(PB_3, PB_10); -LTC2991 *ltc2 = new LTC2991(PB_4, PA_8); +LTC2991 *ltc2 = new LTC2991(PA_8, PB_4); //void setup(); @@ -24,10 +24,10 @@ while (true) { pc.printf("boot\n"); - ack |= ltc0->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CHANNEL_ENABLE_REG, LTC2991_ENABLE_ALL_CHANNELS); //! Enables all channels - ack |= ltc0->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V1234_REG, 0x00); //! Sets registers to default starting values. - ack |= ltc0->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V5678_REG, 0x00); - ack |= ltc0->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_PWM_Tinternal_REG, LTC2991_REPEAT_MODE); //! Configures LTC2991 for Repeated Acquisition mode + ack |= ltc2->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CHANNEL_ENABLE_REG, LTC2991_ENABLE_ALL_CHANNELS); //! Enables all channels + ack |= ltc2->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V1234_REG, 0x00); //! Sets registers to default starting values. + ack |= ltc2->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V5678_REG, 0x00); + ack |= ltc2->LTC2991_register_write(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_PWM_Tinternal_REG, LTC2991_REPEAT_MODE); //! Configures LTC2991 for Repeated Acquisition mode if (ack != 0) { pc.printf("Error: No Acknowledge. Check I2C Address.\n"); @@ -52,9 +52,9 @@ int16_t code; float voltage; ack = 0; - ack |= ltc0->LTC2991_register_set_clear_bits(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V1234_REG, 0x00, LTC2991_V1_V2_DIFFERENTIAL_ENABLE | LTC2991_V1_V2_TEMP_ENABLE); - ack |= ltc0->LTC2991_adc_read_new_data(LTC2991_I2C_ADDRESS, LTC2991_V1_MSB_REG, &code, &data_valid, LTC2991_TIMEOUT); - voltage = ltc0->LTC2991_code_to_single_ended_voltage(code, LTC2991_SINGLE_ENDED_lsb); + ack |= ltc2->LTC2991_register_set_clear_bits(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V1234_REG, 0x00, LTC2991_V1_V2_DIFFERENTIAL_ENABLE | LTC2991_V1_V2_TEMP_ENABLE); + ack |= ltc2->LTC2991_adc_read_new_data(LTC2991_I2C_ADDRESS, LTC2991_V1_MSB_REG, &code, &data_valid, LTC2991_TIMEOUT); + voltage = ltc2->LTC2991_code_to_single_ended_voltage(code, LTC2991_SINGLE_ENDED_lsb); if (ack != 0) { pc.printf("Error: No Acknowledge.\n"); } else { @@ -67,9 +67,9 @@ int16_t code; float voltage; ack = 0; - ack |= ltc0->LTC2991_register_set_clear_bits(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V1234_REG, LTC2991_V1_V2_DIFFERENTIAL_ENABLE, LTC2991_V1_V2_TEMP_ENABLE); - ack |= ltc0->LTC2991_adc_read_new_data(LTC2991_I2C_ADDRESS, LTC2991_V2_MSB_REG, &code, &data_valid, LTC2991_TIMEOUT); - voltage = ltc0->LTC2991_code_to_differential_voltage(code, LTC2991_DIFFERENTIAL_lsb); + ack |= ltc2->LTC2991_register_set_clear_bits(LTC2991_I2C_ADDRESS, LTC2991_CONTROL_V1234_REG, LTC2991_V1_V2_DIFFERENTIAL_ENABLE, LTC2991_V1_V2_TEMP_ENABLE); + ack |= ltc2->LTC2991_adc_read_new_data(LTC2991_I2C_ADDRESS, LTC2991_V2_MSB_REG, &code, &data_valid, LTC2991_TIMEOUT); + voltage = ltc2->LTC2991_code_to_differential_voltage(code, LTC2991_DIFFERENTIAL_lsb); if (ack != 0) { pc.printf("Error: No Acknowledge.\n"); } else {