From bda744dc3ed0490bcbb22b22147b25e68a789f16 Mon Sep 17 00:00:00 2001 From: lonkaars Date: Tue, 4 Apr 2023 18:04:41 +0200 Subject: remove pull down resistor for SPI SR and test new SPI transmit --- src/ppu/stm.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'src/ppu') diff --git a/src/ppu/stm.c b/src/ppu/stm.c index e1d7e5d..d588a65 100644 --- a/src/ppu/stm.c +++ b/src/ppu/stm.c @@ -8,18 +8,10 @@ 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, data, size, HAL_MAX_DELAY); 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_Delay(100); // TODO: remove HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET); - // HAL_Delay(100); // TODO: remove } -- cgit v1.2.3