o Better LCD code, increased per command delay.

1 files changed, 9 insertions, 1 deletions

diff --git a/LiquidCrystal.c b/LiquidCrystal.c
index eed30c8..3411ea8 100644
--- a/LiquidCrystal.c
+++ b/LiquidCrystal.c
@@ -53,7 +53,9 @@ static void write_value(uint8_t value, bool is_data, uint32_t delay) {
     write_4(value >> 4);
     write_4(value);
 
-    nrf_delay_us(delay);
+    // something is going too fast. have to investigate.
+//    nrf_delay_us(delay);
+    nrf_delay_ms(delay);
 }
 
 void liquid_crystal_write_char(char chr) {
@@ -66,6 +68,12 @@ void liquid_crystal_write_string(char *chr) {
     }
 }
 
+void liquid_crystal_write_string_len(char *chr, size_t max_len) {
+    for (; *chr != '\0' && max_len > 0; chr++, max_len--) {
+        liquid_crystal_write_char(*chr);
+    }
+}
+
 void liquid_crystal_clear() {
     // The documentation doesn't specify a value, but everything else is 37us
     write_value(LIQUID_CRYSTAL_CMD_CLEAR, false, 50);