From a5dcb9b2cb9b218235d183911343226fc7523bf6 Mon Sep 17 00:00:00 2001 From: alanbjohnston Date: Tue, 23 Jul 2019 08:48:22 -0400 Subject: [PATCH] fixed int16_t for current calc --- afsk/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/afsk/main.c b/afsk/main.c index bea38537..7543c61b 100644 --- a/afsk/main.c +++ b/afsk/main.c @@ -111,7 +111,7 @@ struct SensorData read_sensor_data(struct SensorConfig sensor) { wiringPiI2CWriteReg16(sensor.fd, INA219_REG_CONFIG, sensor.config); wiringPiI2CWriteReg16(sensor.fd, INA219_REG_CALIBRATION, sensor.calValue); // data.current = (float)((int16_t)wiringPiI2CReadReg16(sensor.fd, INA219_REG_CURRENT)) / (float)sensor.currentDivider; - int16_t value = (uint16_t)((wiringPiI2CRead(sensor.fd) << 8 ) | wiringPiI2CRead (sensor.fd)); + int16_t value = (int16_t)((wiringPiI2CRead(sensor.fd) << 8 ) | wiringPiI2CRead (sensor.fd)); data.current = (float)value / (float)sensor.currentDivider;; uint16_t value = (uint16_t)wireReadRegister(sensor.fd, INA219_REG_BUSVOLTAGE); data.voltage = ((double)(value >> 3) * 4) / 1000;