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Proper GPIO initialization for LTDC

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This commit is contained in:
Romain Goyet
2015-05-11 16:38:20 +02:00
parent 78f01dc981
commit 6e4ffa7402
1 changed files with 2 additions and 1 deletions
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3
platform/stm32f429/init_lcd.c
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@@ -133,7 +133,7 @@ static void init_rgb_gpios() {
RCC_AHB1ENR |= (
GPIOAEN | GPIOBEN | GPIOCEN | GPIODEN |
GPIOEEN | GPIOFEN | GPIOGEN | GPIOHEN |
GPIOIEN | GPIOJEN | GPIOJEN
GPIOIEN | GPIOJEN | GPIOKEN
);
// The LTDC is always mapped to AF14
@@ -141,6 +141,7 @@ static void init_rgb_gpios() {
for (int i=0; i<rgb_pin_count; i++) {
struct gpio_pin * pin = rgb_pins+i;
REGISTER_SET_VALUE(GPIO_AFR(pin->group, pin->number), AFR(pin->number), 14);
REGISTER_SET_VALUE(GPIO_MODER(pin->group), MODER(pin->number), GPIO_MODE_ALTERNATE_FUNCTION);
}
//FIXME: Apprently DMA should be enabled?