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Reduce touch overhead and cap frame rate at 24 FPS

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This commit is contained in:
Adolfo Reyna
2026-02-18 15:53:48 -05:00
parent 73a78069e3
commit fe6e403a98
4 changed files with 26 additions and 9 deletions
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10
lib/ft6336u/ft6336u.c
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@@ -27,8 +27,9 @@ static bool ft6336u_read_reg(uint8_t reg, uint8_t *value) {
continue;
}
// Add delay after write, before read (like Arduino library does)
sleep_us(10000); // 10ms delay
// Short settle time between register address write and read.
// 10ms here heavily throttles touch sampling during hold/move.
sleep_us(100); // 0.1ms
result = i2c_read_blocking(g_config->i2c, FT6336U_ADDR, value, 1, false);
if (result == 1) {
@@ -50,8 +51,9 @@ static bool ft6336u_read_regs(uint8_t reg, uint8_t *buf, size_t len) {
continue;
}
// Add delay after write, before read (like Arduino library does)
sleep_us(10000); // 10ms delay
// Short settle time between register address write and read.
// 10ms here heavily throttles touch sampling during hold/move.
sleep_us(100); // 0.1ms
result = i2c_read_blocking(g_config->i2c, FT6336U_ADDR, buf, len, false);
if (result == (int)len) {