Merge branch 'lonkaars:dev' into dev

14 files changed, 356 insertions, 7 deletions

diff --git a/src/stm32/TODO/hh_combat.h b/src/stm32/TODO/hh_combat.h
new file mode 100644
index 0000000..16c41f5
--- /dev/null
+++ b/src/stm32/TODO/hh_combat.h
@@ -0,0 +1,9 @@
+#include "hh_entity.h"
+
+
+// attacktypes:
+
+/// @brief basic attack
+/// @param dmg damage number
+/// @param target entity under attack (damage changes this hp value)
+void hh_attack_basic( int8_t dmg, hh_entity* target );
diff --git a/src/stm32/TODO/hh_draw_screen.h b/src/stm32/TODO/hh_draw_screen.h
new file mode 100644
index 0000000..f5d7507
--- /dev/null
+++ b/src/stm32/TODO/hh_draw_screen.h
@@ -0,0 +1 @@
+// every function call for drawing the screen goes here.
diff --git a/src/stm32/TODO/hh_entity.c b/src/stm32/TODO/hh_entity.c
new file mode 100644
index 0000000..fa550d5
--- /dev/null
+++ b/src/stm32/TODO/hh_entity.c
@@ -0,0 +1,41 @@
+#include <stdbool.h>
+
+#include "hh_entity.h"
+#include "maths.h"
+
+/*
+    PLAYER: (pos on X)
+    ,___,
+    |   |
+    | X |
+    |___|
+
+*/
+
+bool hh_collision(vec2* pos1, vec2* pos2){
+    if (pos2->x == CLAMP(pos2->x,pos1->x,pos1->x+1.0f)){// hit x
+        return true;
+    }
+
+    if (pos2->y == CLAMP(pos2->y,pos1->y,pos1->y+0.99f)){// hit y
+        return true;
+    }
+    return false;
+}
+
+void hh_solve_collision(vec2* pos_environment, hh_entity* entity){
+    if (entity->vec.x > 0.0f){
+        entity->pos.x = MIN(entity->pos.x,pos_environment->x-1.0f);
+        entity->vec.x = 0.0f;
+    } else if (entity->vec.x < 0.0f){
+        entity->pos.x = MAX(entity->pos.x,pos_environment->x+1.0f);
+        entity->vec.x = 0.0f;
+    } else if (entity->vec.y > 0.0f){
+        entity->pos.x = MIN(entity->pos.x,pos_environment->x-1.0f);
+        entity->vec.x = 0.0f;
+    } else if (entity->vec.y < 0.0f){
+        entity->pos.x = MAX(entity->pos.x,pos_environment->x+1.0f);
+        entity->vec.x = 0.0f;
+    }
+}
+
diff --git a/src/stm32/TODO/hh_entity.h b/src/stm32/TODO/hh_entity.h
new file mode 100644
index 0000000..fdbeb8a
--- /dev/null
+++ b/src/stm32/TODO/hh_entity.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "maths.h"
+
+typedef struct {
+    vec2 pos, vec;
+    bool is_grounded;
+    int8_t hp;
+    //armor/block?
+}hh_entity;
+
+/// @brief detect for collision enity and eviroment
+/// @param pos1 position of environment tile to be checked
+/// @param pos2 position entity
+/// @return true if collision between enity and environment
+bool hh_collision(vec2* pos1, vec2* pos2);
+
+/// @brief solve collisions
+/// @param environment position
+/// @param entity position
+/// @return solved new entity position
+void hh_solve_collision(vec2* pos_environment, hh_entity* entity);
diff --git a/src/stm32/TODO/hh_level.h b/src/stm32/TODO/hh_level.h
new file mode 100644
index 0000000..43b19a3
--- /dev/null
+++ b/src/stm32/TODO/hh_level.h
@@ -0,0 +1 @@
+//deal with loading/saving the correct level
diff --git a/src/stm32/TODO/hh_rand.h b/src/stm32/TODO/hh_rand.h
new file mode 100644
index 0000000..ea7c1d4
--- /dev/null
+++ b/src/stm32/TODO/hh_rand.h
@@ -0,0 +1 @@
+// deal with Pseudo random number generation here.
diff --git a/src/stm32/TODO/maths.c b/src/stm32/TODO/maths.c
new file mode 100644
index 0000000..2f4444a
--- /dev/null
+++ b/src/stm32/TODO/maths.c
@@ -0,0 +1,10 @@
+#include "maths.h"
+
+float clamp( float* x, float *min, float *max ){
+    if (*x < *min)
+        return *min;
+    else if (*x > *max)
+        return *max;
+    else
+        return *x;
+}
diff --git a/src/stm32/TODO/maths.h b/src/stm32/TODO/maths.h
new file mode 100644
index 0000000..0889c47
--- /dev/null
+++ b/src/stm32/TODO/maths.h
@@ -0,0 +1,16 @@
+#pragma once
+
+// #include <math.h>
+
+typedef struct {
+    u_int32_t x,y;
+} vec2;
+
+typedef vec2 vec_cen;//centered
+typedef vec2 vec_cor;//left upper corner
+
+#define HH_MATH_FIXED_POINT 7 //fixed point at decimal 7lsb (world positions in pixels (with fixed decimal point))
+
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#define CLAMP(N,LOWER,UPPER) (MIN(MAX(LOWER, N), UPPER))
diff --git a/src/stm32/TODO/player_controller.h b/src/stm32/TODO/player_controller.h
new file mode 100644
index 0000000..1e9b86c
--- /dev/null
+++ b/src/stm32/TODO/player_controller.h
@@ -0,0 +1,4 @@
+#include "maths.h"
+#include "hh_entity.h"
+
+// inputs
diff --git a/src/stm32/TODO/sprite_controller.h b/src/stm32/TODO/sprite_controller.h
new file mode 100644
index 0000000..c1fadff
--- /dev/null
+++ b/src/stm32/TODO/sprite_controller.h
@@ -0,0 +1,6 @@
+// handles sprites
+
+// Bg sprites
+
+
+// Fg or entity sprites
diff --git a/src/stm32/input.c b/src/stm32/input.c
new file mode 100644
index 0000000..e2d07cb
--- /dev/null
+++ b/src/stm32/input.c
@@ -0,0 +1,13 @@
+#include <stm32f0xx_hal_gpio.h>
+
+#include "input.h"
+
+hh_s_gamepad g_hh_controller_p1 = { 0 };
+hh_s_gamepad g_hh_controller_p2 = { 0 };
+
+void hh_input_read() {
+	g_hh_controller_p1.dpad_left = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_4);
+	g_hh_controller_p1.dpad_right = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_5);
+	g_hh_controller_p1.dpad_down = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_6);
+	g_hh_controller_p1.dpad_up = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_8);
+}
diff --git a/src/stm32/setup.c b/src/stm32/setup.c
new file mode 100644
index 0000000..2c3552b
--- /dev/null
+++ b/src/stm32/setup.c
@@ -0,0 +1,197 @@
+#include <stm32f0xx_hal.h>
+#include <stm32f0xx_hal_spi.h>
+#include <stm32f0xx_hal_uart.h>
+#include <stm32f0xx_hal_gpio.h>
+#include <FreeRTOS.h>
+#include <task.h>
+
+#include "main.h"
+#include "setup.h"
+#include "ppu/ppu.h"
+
+UART_HandleTypeDef huart2 = {
+	.Instance = USART2,
+	.Init.BaudRate = 115200,
+	.Init.WordLength = UART_WORDLENGTH_8B,
+	.Init.StopBits = UART_STOPBITS_1,
+	.Init.Parity = UART_PARITY_NONE,
+	.Init.Mode = UART_MODE_TX_RX,
+	.Init.HwFlowCtl = UART_HWCONTROL_NONE,
+	.Init.OverSampling = UART_OVERSAMPLING_16,
+	.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE,
+	.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT,
+};
+
+GPIO_InitTypeDef spi_gpio = {
+	.Pin = HH_IO_SPI_PINS,
+	.Mode = GPIO_MODE_AF_PP,
+	.Pull = GPIO_NOPULL,
+	.Speed = GPIO_SPEED_FREQ_HIGH,
+	.Alternate = GPIO_AF0_SPI1,
+};
+
+SPI_HandleTypeDef hspi1 = {
+	.Instance = SPI1,
+	.Init.Mode = SPI_MODE_MASTER,
+	.Init.Direction = SPI_DIRECTION_1LINE,
+	.Init.DataSize = SPI_DATASIZE_8BIT,
+	.Init.CLKPolarity = SPI_POLARITY_LOW,
+	.Init.CLKPhase = SPI_PHASE_1EDGE,
+	.Init.NSS = SPI_NSS_SOFT,
+	.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16,
+	.Init.FirstBit = SPI_FIRSTBIT_MSB,
+	.Init.TIMode = SPI_TIMODE_DISABLE,
+	.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE,
+	.Init.CRCPolynomial = 7,
+	.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE,
+	.Init.NSSPMode = SPI_NSS_PULSE_DISABLE,
+};
+
+TIM_HandleTypeDef htim3 = {
+	.Instance = TIM3,
+	.Init.Prescaler = 7999,
+	.Init.CounterMode = TIM_COUNTERMODE_UP,
+	.Init.Period = 65535,
+	.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1,
+	.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE,
+};
+
+static void hh_io_spi_setup();
+static void hh_io_tim_setup();
+static void hh_io_usart2_setup();
+static void hh_io_gpio_setup();
+static void hh_io_clock_setup();
+static void hh_io_setup_error_handler();
+
+void hh_setup() {
+	HAL_Init();
+
+	hh_io_clock_setup();
+	hh_io_usart2_setup();
+	hh_io_gpio_setup();
+	hh_io_spi_setup();
+	hh_io_tim_setup();
+
+	hh_ppu_init();
+}
+
+void hh_exit() {
+	hh_ppu_deinit();
+
+	HAL_DeInit();
+}
+
+void hh_io_clock_setup() {
+	if (HAL_OK != HAL_RCC_OscConfig(&(RCC_OscInitTypeDef){
+		.OscillatorType = RCC_OSCILLATORTYPE_HSI,
+		.HSIState = RCC_HSI_ON,
+		.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT,
+		.PLL.PLLState = RCC_PLL_ON,
+	})) return hh_io_setup_error_handler();
+
+	// cpu, ahb & apb clocks
+	if (HAL_OK != HAL_RCC_ClockConfig(&(RCC_ClkInitTypeDef){
+		.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1,
+		.SYSCLKSource = RCC_SYSCLKSOURCE_HSI,
+		.AHBCLKDivider = RCC_SYSCLK_DIV1,
+		.APB1CLKDivider = RCC_HCLK_DIV1,
+	}, FLASH_LATENCY_1)) return hh_io_setup_error_handler();
+
+	// usart2 clock (usb serial)
+	if (HAL_RCCEx_PeriphCLKConfig(&(RCC_PeriphCLKInitTypeDef){
+		.PeriphClockSelection = RCC_PERIPHCLK_USART2,
+		.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1,
+		.I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI,
+	}) != HAL_OK) return hh_io_setup_error_handler();
+}
+
+void hh_io_spi_setup() {
+	if (HAL_SPI_Init(&hspi1) != HAL_OK)
+		return hh_io_setup_error_handler();
+}
+
+void hh_io_usart2_setup() {
+	if (HAL_UART_Init(&huart2) != HAL_OK)
+		return hh_io_setup_error_handler();
+}
+
+void hh_io_tim_setup() {
+	if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
+		return hh_io_setup_error_handler();
+
+	if (HAL_TIM_ConfigClockSource(&htim3, &(TIM_ClockConfigTypeDef) {
+		.ClockSource = TIM_CLOCKSOURCE_INTERNAL
+	}) != HAL_OK) return hh_io_setup_error_handler();
+
+	if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &(TIM_MasterConfigTypeDef) {
+		.MasterOutputTrigger = TIM_TRGO_RESET,
+		.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE,
+	}) != HAL_OK) return hh_io_setup_error_handler();
+}
+
+void hh_io_gpio_setup() {
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOB_CLK_ENABLE();
+
+  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9, GPIO_PIN_SET);
+	HAL_GPIO_Init(GPIOA, &(GPIO_InitTypeDef) {
+		.Pin = GPIO_PIN_9,
+		.Mode = GPIO_MODE_OUTPUT_PP,
+		.Pull = GPIO_NOPULL,
+		.Speed = GPIO_SPEED_FREQ_LOW,
+	});
+	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,
+	});
+}
+
+void HAL_MspInit() {
+  __HAL_RCC_SYSCFG_CLK_ENABLE();
+  __HAL_RCC_PWR_CLK_ENABLE();
+}
+
+void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) {
+  if(hspi->Instance != SPI1) return;
+
+	__HAL_RCC_SPI1_CLK_ENABLE();
+	__HAL_RCC_GPIOA_CLK_ENABLE();
+
+	HAL_GPIO_Init(HH_IO_SPI_PORT, &spi_gpio);
+}
+
+void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi) {
+  if(hspi->Instance != SPI1) return;
+
+	__HAL_RCC_SPI1_CLK_DISABLE();
+
+	HAL_GPIO_DeInit(HH_IO_SPI_PORT, HH_IO_SPI_PINS);
+}
+
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base) {
+  if(htim_base->Instance != TIM3) return;
+
+	__HAL_RCC_TIM3_CLK_ENABLE();
+}
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base) {
+  if(htim_base->Instance != TIM3) return;
+
+	__HAL_RCC_TIM3_CLK_DISABLE();
+}
+
+void SysTick_Handler() {
+	HAL_IncTick();
+	if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED)
+		xPortSysTickHandler();
+}
+
+void HardFault_Handler() {
+	for(;;);
+}
+
+void hh_io_setup_error_handler() {
+	__disable_irq();
+	while (1);
+}
diff --git a/src/stm32/setup.h b/src/stm32/setup.h
new file mode 100644
index 0000000..66d5ff3
--- /dev/null
+++ b/src/stm32/setup.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <stm32f0xx_hal_spi.h>
+#include <stm32f0xx_hal_uart.h>
+#include <stm32f0xx_hal_tim.h>
+#include <stm32f0xx_hal_gpio.h>
+
+#define HH_IO_SPI_PINS (GPIO_PIN_5 | GPIO_PIN_7)
+#define HH_IO_SPI_PORT GPIOA
+
+extern UART_HandleTypeDef huart2; // NOLINT
+extern GPIO_InitTypeDef spi_gpio; // NOLINT
+extern SPI_HandleTypeDef hspi1; // NOLINT
+extern TIM_HandleTypeDef htim3; // NOLINT
+
+// required HAL setup functions
+void HAL_MspInit(); // NOLINT
+void HAL_UART_MspInit(UART_HandleTypeDef *huart); // NOLINT
+void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi); // NOLINT
+void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi); // NOLINT
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base); // NOLINT
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base); // NOLINT
+void HardFault_Handler(); // NOLINT
+void SysTick_Handler(); // NOLINT
diff --git a/src/stm32/stm32f0xx_hal_conf.h b/src/stm32/stm32f0xx_hal_conf.h
index fc27221..84a3b74 100644
--- a/src/stm32/stm32f0xx_hal_conf.h
+++ b/src/stm32/stm32f0xx_hal_conf.h
@@ -19,16 +19,18 @@
 #define DATA_CACHE_ENABLE 0U
 #define USE_SPI_CRC 0U
 
-#define HAL_RCC_MODULE_ENABLED
 #define HAL_MODULE_ENABLED
-#define HAL_I2C_MODULE_ENABLED
-#define HAL_GPIO_MODULE_ENABLED
-#define HAL_DMA_MODULE_ENABLED
-#define HAL_CORTEX_MODULE_ENABLED
-#define HAL_PWR_MODULE_ENABLED
-#define HAL_FLASH_MODULE_ENABLED
+#define HAL_SPI_MODULE_ENABLED
 #define HAL_TIM_MODULE_ENABLED
 #define HAL_UART_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_EXTI_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+// #define HAL_I2C_MODULE_ENABLED
 
 #ifdef HAL_RCC_MODULE_ENABLED
 #include <stm32f0xx_hal_rcc.h>