diff options
| author | lonkaars <loek@pipeframe.xyz> | 2023-04-04 18:04:41 +0200 |
|---|---|---|
| committer | lonkaars <loek@pipeframe.xyz> | 2023-04-04 18:04:41 +0200 |
| commit | bda744dc3ed0490bcbb22b22147b25e68a789f16 (patch) | |
| tree | 5fa2c1f133c4acfda55f2c51e4d77cdca112de61 /src/ppu | |
| parent | 9c0a8622c26743583966b653704d5bfc8b4c0c7d (diff) | |
remove pull down resistor for SPI SR and test new SPI transmit
Diffstat (limited to 'src/ppu')
| -rw-r--r-- | src/ppu/stm.c | 10 |
1 files changed, 1 insertions, 9 deletions
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 } |