1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#include <stm32f0xx_hal.h>
#include "ppu/ppu.h"
#include "ppu/internals.h"
#include "stm32/setup.h"
void hh_ppu_init() {}
void hh_ppu_deinit() {}
void hh_ppu_vram_dwrite(uint8_t* data, size_t size) {
// HAL_SPI_Transmit(&hspi1, data, size, HAL_MAX_DELAY);
for (size_t i = 0; i < size; i += 4) {
if (i+4 > size) break;
uint8_t test[4] = { data[i+0], data[i+1], data[i+2], data[i+3], };
HAL_SPI_Transmit(&hspi1, test, 4, HAL_MAX_DELAY);
// HAL_Delay(100);
}
HAL_SPI_Transmit(&hspi1, (uint8_t[4]){ 0xff }, 4, HAL_MAX_DELAY);
// reset SPI
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
}
|