replace the environment commands for t_fine

mnr · Dec 4, 2023 · 8216c53 · 8216c53
1 parent 22cc6c0
commit 8216c53
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/vignettes/articles/i2cbme280.Rmd b/vignettes/articles/i2cbme280.Rmd
@@ -112,9 +112,9 @@ rpi_i2c_set(
 # Output value of "5123" equals 51.23 DegC
 cppFunction('int BME280_compensate_T_int32(long signed int adc_T, int dig_T1, int dig_T2, int dig_T3)
 {
-long signed int var1, var2, T;
+long signed int var1, var2, T, t_fine;
     Environment env = Environment::global_env();
-    long signed int t_fine = env["t_fine"];
+    long signed int t_fine;
 
 var1 = ((((adc_T>>3) - ((long signed int)dig_T1<<1))) * ((long signed int)dig_T2)) >> 11;
 var2 = (((((adc_T>>4) - ((long signed int)dig_T1)) * ((adc_T>>4) - ((long signed int)dig_T1))) >> 12) *((long signed int)dig_T3)) >> 14;
@@ -143,6 +143,9 @@ print(paste("temperature (c):", temperature_celsius))
 cppFunction('long unsigned int BME280_compensate_P_int32(long signed int adc_P, int dig_P1, int dig_P2, int dig_P3, int dig_P4, int dig_P5, int dig_P6)
 {
 long long unsigned int var1, var2, p;
+   Environment env = Environment::global_env();
+    long signed int t_fine = env["t_fine"];
+
 var1 = ((long long unsigned int)t_fine) - 128000;
 var2 = var1 * var1 * (long long unsigned int)dig_P6;
 var2 = var2 + (var1*((long long unsigned int)dig_P5)<<17);