it's working

3 files changed, 13 insertions, 28 deletions

diff --git a/src/main.c b/src/main.c
index d8191b6..658fc94 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,30 +12,7 @@ void hh_ppu_vblank_interrupt() {
 #ifdef HH_TARGET_DESKTOP
 	if (g_hh_test_complete) return;
 #endif
-	// // uint8_t test[4] = { 0x0f, 0x0f, 0xf0, 0xf0 };
-	// uint8_t* test = malloc(4);
-	// test[0] = 0x00;
-	// test[1] = 0x00;
-	// test[2] = 0x00;
-	// test[3] = 0x00;
-	// while (1)
-	// 	hh_ppu_vram_dwrite(test, 4);
-	// return;
-	if (1) {
-		hh_ppu_vram_dwrite((uint8_t*) HH_PPUINTDEMO_ARR, HH_PPUINTDEMO_LENGTH);
-	}
-	if (0) {
-		for (size_t i = 0; i < HH_PPUINTDEMO_LENGTH; i += 4) {
-			if (i+4 > HH_PPUINTDEMO_LENGTH) break;
-			uint8_t test[4] = {
-				HH_PPUINTDEMO_ARR[i+0],
-				HH_PPUINTDEMO_ARR[i+1],
-				HH_PPUINTDEMO_ARR[i+2],
-				HH_PPUINTDEMO_ARR[i+3],
-			};
-			hh_ppu_vram_dwrite(test, 4);
-		}
-	}
+	hh_ppu_vram_dwrite((uint8_t*) HH_PPUINTDEMO_ARR, HH_PPUINTDEMO_LENGTH);
 	g_hh_test_complete = true;
 }
 
diff --git a/src/ppu/stm.c b/src/ppu/stm.c
index 8292d3c..8334090 100644
--- a/src/ppu/stm.c
+++ b/src/ppu/stm.c
@@ -8,9 +8,16 @@ 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);
+	// 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 }, size, HAL_MAX_DELAY);
 	// reset SPI
-	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, true);
-	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, false);
+	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
+	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
 }
 
diff --git a/src/stm32/setup.c b/src/stm32/setup.c
index b0abe7a..4f56535 100644
--- a/src/stm32/setup.c
+++ b/src/stm32/setup.c
@@ -137,13 +137,14 @@ void hh_io_gpio_setup() {
 		.Pin = GPIO_PIN_9,
 		.Mode = GPIO_MODE_OUTPUT_PP,
 		.Pull = GPIO_NOPULL,
-		.Speed = GPIO_SPEED_FREQ_LOW,
+		.Speed = GPIO_SPEED_FREQ_HIGH,
 	});
 	HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef) {
 		.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_8,
 		.Mode = GPIO_MODE_INPUT,
 		.Pull = GPIO_PULLDOWN,
 	});
+	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_RESET);
 }
 
 void HAL_MspInit() {