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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-11-26 09:49:43 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-11-26 09:49:43 -0500 |
| commit | 43dfb3c9ad0523efb34021261504c19708935adf (patch) | |
| tree | 545fd2bcd02045abcf622c983e53c187b7b37615 /src | |
| parent | fb485e862d3007554c6d8bbb9910f20d645d78b8 (diff) | |
| download | kutter-43dfb3c9ad0523efb34021261504c19708935adf.tar.gz kutter-43dfb3c9ad0523efb34021261504c19708935adf.tar.xz kutter-43dfb3c9ad0523efb34021261504c19708935adf.zip | |
lcd_hd44780: Minor change to timing delays
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src')
| -rw-r--r-- | src/lcd_hd44780.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lcd_hd44780.c b/src/lcd_hd44780.c index fe65f5cf..26fa63cb 100644 --- a/src/lcd_hd44780.c +++ b/src/lcd_hd44780.c @@ -54,7 +54,7 @@ hd44780_xmit_bits(uint8_t toggle, struct gpio_out e, struct gpio_out d4 gpio_out_toggle(d6); if (toggle & 0x80) gpio_out_toggle(d7); - ndelay(80); + ndelay(230); gpio_out_toggle(e); } @@ -65,7 +65,7 @@ hd44780_xmit_byte(struct hd44780 *h, uint8_t data) struct gpio_out e = h->e, d4 = h->d4, d5 = h->d5, d6 = h->d6, d7 = h->d7; hd44780_xmit_bits(h->last ^ data, e, d4, d5, d6, d7); h->last = data << 4; - ndelay(500 - 80); + ndelay(500 - 230); hd44780_xmit_bits(data ^ h->last, e, d4, d5, d6, d7); } |