From ddec3a474238d8bd600ec2cc0a1416be4d82ebf2 Mon Sep 17 00:00:00 2001 From: Francisco Date: Wed, 10 Jul 2024 17:18:59 -0300 Subject: [PATCH] Increment delay at the end of init secuence fix issue with ESP32 at higher SPI clock speeds on display st7920 --- csrc/u8x8_d_st7920.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/csrc/u8x8_d_st7920.c b/csrc/u8x8_d_st7920.c index 150d2b2f..217cf300 100644 --- a/csrc/u8x8_d_st7920.c +++ b/csrc/u8x8_d_st7920.c @@ -52,7 +52,7 @@ static const uint8_t u8x8_d_st7920_init_seq[] = { U8X8_C(0x006), /* Entry mode: Cursor move to right ,DDRAM address counter (AC) plus 1, no shift */ U8X8_C(0x002), /* disable scroll, enable CGRAM adress */ U8X8_C(0x001), /* clear RAM, needs 1.6 ms */ - U8X8_DLY(4), /* delay 2ms */ + U8X8_DLY(10), /* delay 10ms */ U8X8_END_TRANSFER(), /* disable chip */ @@ -403,4 +403,4 @@ uint8_t u8x8_d_st7920_256x32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *a return u8x8_d_st7920_common(u8x8, msg, arg_int, arg_ptr); } return 1; -} \ No newline at end of file +}