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AP_HAL_AVR LCDTest: fix build

This commit is contained in:
Pat Hickey 2012-09-20 16:13:05 -07:00 committed by Andrew Tridgell
parent 6d9ac42618
commit e83504f80d
1 changed files with 11 additions and 11 deletions
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22
libraries/AP_HAL_AVR/examples/LCDTest/LCrystal.cpp
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@ -100,7 +100,7 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
// according to datasheet, we need at least 40ms after power rises above 2.7V
// before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
hal.scheduler->delayMicroseconds(50000);
hal.scheduler->delay_microseconds(50000);
// Now we pull both RS and R/W low to begin commands
hal.gpio->write(_rs_pin, 0);
hal.gpio->write(_enable_pin, 0);
@ -115,15 +115,15 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
// we start in 8bit mode, try to set 4 bit mode
write4bits(0x03);
hal.scheduler->delayMicroseconds(4500); // wait min 4.1ms
hal.scheduler->delay_microseconds(4500); // wait min 4.1ms
// second try
write4bits(0x03);
hal.scheduler->delayMicroseconds(4500); // wait min 4.1ms
hal.scheduler->delay_microseconds(4500); // wait min 4.1ms
// third go!
write4bits(0x03);
hal.scheduler->delayMicroseconds(150);
hal.scheduler->delay_microseconds(150);
// finally, set to 4-bit interface
write4bits(0x02);
@ -133,11 +133,11 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
// Send function set command sequence
command(LCD_FUNCTIONSET | _displayfunction);
hal.scheduler->delayMicroseconds(4500); // wait more than 4.1ms
hal.scheduler->delay_microseconds(4500); // wait more than 4.1ms
// second try
command(LCD_FUNCTIONSET | _displayfunction);
hal.scheduler->delayMicroseconds(150);
hal.scheduler->delay_microseconds(150);
// third go
command(LCD_FUNCTIONSET | _displayfunction);
@ -164,13 +164,13 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
void LiquidCrystal::clear()
{
command(LCD_CLEARDISPLAY); // clear display, set cursor position to zero
hal.scheduler->delayMicroseconds(2000); // this command takes a long time!
hal.scheduler->delay_microseconds(2000); // this command takes a long time!
}
void LiquidCrystal::home()
{
command(LCD_RETURNHOME); // set cursor position to zero
hal.scheduler->delayMicroseconds(2000); // this command takes a long time!
hal.scheduler->delay_microseconds(2000); // this command takes a long time!
}
void LiquidCrystal::setCursor(uint8_t col, uint8_t row)
@ -287,11 +287,11 @@ void LiquidCrystal::send(uint8_t value, uint8_t mode) {
void LiquidCrystal::pulseEnable(void) {
hal.gpio->write(_enable_pin, 0);
hal.scheduler->delayMicroseconds(1);
hal.scheduler->delay_microseconds(1);
hal.gpio->write(_enable_pin, 1);
hal.scheduler->delayMicroseconds(1); // enable pulse must be >450ns
hal.scheduler->delay_microseconds(1); // enable pulse must be >450ns
hal.gpio->write(_enable_pin, 0);
hal.scheduler->delayMicroseconds(100); // commands need > 37us to settle
hal.scheduler->delay_microseconds(100); // commands need > 37us to settle
}
void LiquidCrystal::write4bits(uint8_t value) {