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add BME280, try to work with SPI TFT display (no reaction yet)

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Edward Emelianov
2023-05-08 01:30:34 +03:00
parent e0352dde3f
commit 16f3b31f4f
14 changed files with 187 additions and 30 deletions
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2
F3:F303/NitrogenFlooding/strfunc.c
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@@ -272,7 +272,7 @@ const char *getint(const char *txt, int32_t *I){
static const float pwr10[] = {1.f, 10.f, 100.f, 1000.f, 10000.f};
static const float rounds[] = {0.5f, 0.05f, 0.005f, 0.0005f, 0.00005f};
#define P10L (sizeof(pwr10)/sizeof(uint32_t) - 1)
const char *float2str(float x, uint8_t prec){
char *float2str(float x, uint8_t prec){
static char str[16] = {0}; // -117.5494E-36\0 - 14 symbols max!
if(prec > P10L) prec = P10L;
if(isnan(x)){ memcpy(str, "NAN", 4); return str;}