From d629902140406ac26fa65c1a7d559e6f1798206f Mon Sep 17 00:00:00 2001 From: lonkaars Date: Sun, 30 Oct 2022 17:22:54 +0100 Subject: add sensor range en/decoding functions --- shared/util.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) (limited to 'shared/util.c') diff --git a/shared/util.c b/shared/util.c index ea972b0..648631a 100644 --- a/shared/util.c +++ b/shared/util.c @@ -4,4 +4,28 @@ unsigned int ws_log16(unsigned int x) { unsigned int l = 0; while (x >>= 4) ++l; // bitshift right by 4 until x == 0 return l; -} \ No newline at end of file +} + +uint8_t ws_sensor_tmp_to_8(uint16_t temperature) { + return temperature / 256; +} + +uint8_t ws_sensor_hum_to_8(uint16_t humidity) { + return humidity / 256; +} + +uint8_t ws_sensor_atm_to_8(uint16_t atmospheric_pressure) { + return atmospheric_pressure / 256; +} + +float ws_sensor_tmp_to_f(uint8_t temperature) { + return ((175.72 * temperature) / 256.0) - 46.85; +} + +float ws_sensor_hum_to_f(uint8_t humidity) { + return ((125.0 * humidity) / 256.0) - 6.0; +} + +float ws_sensor_atm_to_f(uint8_t atmospheric_pressure) { + return ((20.0 * atmospheric_pressure) / 256.0) + 990.0; // datasheet no? +} -- cgit v1.2.3