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This commit is contained in:
Armel FAUVEAU
2024-12-23 05:02:56 +01:00
parent 2006ef9820
commit b4099fc1e7
5 changed files with 30 additions and 4 deletions
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19
driver/st7565.c
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@@ -219,6 +219,25 @@ uint8_t cmds[] = {
ST7565_Cmd(i);
}
}
int16_t map(int16_t x, int16_t in_min, int16_t in_max, int16_t out_min, int16_t out_max) {
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
void ST7565_Gauge(uint8_t line, uint8_t min, uint8_t max, uint8_t value)
{
gFrameBuffer[line][54] = 0x0c;
gFrameBuffer[line][55] = 0x12;
gFrameBuffer[line][121] = 0x12;
gFrameBuffer[line][122] = 0x0c;
uint8_t filled = map(value, min, max, 56, 120);
for (uint8_t i = 56; i <= 120; i++) {
gFrameBuffer[line][i] = (i <= filled) ? 0x2d : 0x21;
}
}
#endif
void ST7565_Init(void)

2
driver/st7565.h
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@@ -43,6 +43,8 @@ void ST7565_WriteByte(uint8_t Value);
#ifdef ENABLE_FEAT_F4HWN
void ST7565_ContrastAndInv(void);
void ST7565_Gauge(uint8_t line, uint8_t min, uint8_t max, uint8_t value);
int16_t map(int16_t x, int16_t in_min, int16_t in_max, int16_t out_min, int16_t out_max);
#endif
#endif