Cameron/pico-examples
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Make examples friendlier for non GCC compilers and fixed slave_mem_i2c.c to compile on boards without I2C pins (#336)

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This commit is contained in:
Graham Sanderson
2023-03-10 15:41:40 -06:00
committed by GitHub
parent 9d3fea1419
commit 60829a134a
39 changed files with 89 additions and 86 deletions
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8
pio/st7789_lcd/st7789_lcd.c
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@@ -30,6 +30,10 @@
#define SERIAL_CLK_DIV 1.f
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
// Format: cmd length (including cmd byte), post delay in units of 5 ms, then cmd payload
// Note the delays have been shortened a little
static const uint8_t st7789_init_seq[] = {
@@ -130,8 +134,8 @@ int main() {
if (theta > theta_max)
theta -= theta_max;
int32_t rotate[4] = {
cosf(theta) * (1 << UNIT_LSB), -sinf(theta) * (1 << UNIT_LSB),
sinf(theta) * (1 << UNIT_LSB), cosf(theta) * (1 << UNIT_LSB)
(int32_t) (cosf(theta) * (1 << UNIT_LSB)), (int32_t) (-sinf(theta) * (1 << UNIT_LSB)),
(int32_t) (sinf(theta) * (1 << UNIT_LSB)), (int32_t) (cosf(theta) * (1 << UNIT_LSB))
};
interp0->base[0] = rotate[0];
interp0->base[1] = rotate[2];