Restructure include hierarchy

stm-firmware/include/stm-periph/uart/dma-ring-buffer.h

@@ -0,0 +1,40 @@
+#ifndef __DMA_RING_BUFFER_H__
+#define __DMA_RING_BUFFER_H__
+
+#include <stdbool.h>
+#include <stm32/stm32f4xx.h>
+#include <stddef.h>
+
+struct dma_ring_buffer_to_mem {
+	void *data_ptr;
+	size_t buffer_count;
+	DMA_Stream_TypeDef *dma;
+	size_t get_idx;
+	uint8_t base_dma_id;
+	size_t element_size;
+};
+
+struct dma_ring_buffer_to_periph {
+	void *src_buffer;
+	size_t buffer_count;
+	DMA_Stream_TypeDef *dma;
+	volatile size_t dma_get_idx_current;
+	volatile size_t dma_get_idx_future;
+	volatile size_t sw_put_idx;
+	uint8_t dma_base_id;
+	size_t element_size;
+};
+
+int dma_ring_buffer_periph_to_mem_initialize(struct dma_ring_buffer_to_mem *dma_buffer, uint8_t base_dma_id, DMA_Stream_TypeDef *dma_stream, size_t buffer_element_count, size_t element_size, void *data_buffer, void *src_reg, uint8_t dma_trigger_channel);
+int dma_ring_buffer_periph_to_mem_get_data(struct dma_ring_buffer_to_mem *buff, const void **data_buff, size_t *len);
+void dma_ring_buffer_periph_to_mem_stop(struct dma_ring_buffer_to_mem *buff);
+
+int dma_ring_buffer_mem_to_periph_initialize(struct dma_ring_buffer_to_periph *dma_buffer, uint8_t base_dma_id, DMA_Stream_TypeDef *dma_stream, size_t buffer_element_count, size_t element_size, void *data_buffer, uint8_t dma_trigger_channel, void *dest_reg);
+int dma_ring_buffer_mem_to_periph_insert_data(struct dma_ring_buffer_to_periph *buff, const void *data_to_insert, size_t count);
+void dma_ring_buffer_mem_to_periph_int_callback(struct dma_ring_buffer_to_periph *buff);
+void dma_ring_buffer_mem_to_periph_stop(struct dma_ring_buffer_to_periph *buff);
+
+#endif /* __DMA_RING_BUFFER_H__ */
+
+
+

stm-firmware/include/stm-periph/uart/uart.h

@@ -0,0 +1,54 @@
+#include <stdint.h>
+#include <stddef.h>
+
+#ifndef UART_UART_H_
+#define UART_UART_H_
+
+#define UART_RECEIVE_DMA_STREAM DMA2_Stream5
+
+#define UART_SEND_DMA_STREAM DMA2_Stream7
+
+#define UART_PERIPH USART1
+#define UART_RCC_MASK RCC_APB2ENR_USART1EN
+
+#ifdef DEBUGBUILD
+
+#define UART_PORT GPIOA
+#define UART_PORT_RCC_MASK RCC_AHB1ENR_GPIOAEN
+#define UART_RX_PIN 10
+#define UART_TX_PIN 9
+#define UART_RX_PIN_ALTFUNC 7
+#define UART_TX_PIN_ALTFUNC 7
+#else
+
+#endif
+
+/* UART_DIV is 45.5625 => 115200 @ 84 MHz */
+#define UART_DIV_FRACTION 9U /* Equals 9/16 = 0.5625 */
+#define UART_DIV_MANTISSA 45U /* Equals 45 */
+
+#define UART_BRR_REG_VALUE ((UART_DIV_MANTISSA<<4) | UART_DIV_FRACTION);
+
+void initUART();
+void sendChar(char c);
+void sendString(char* s, int count);
+
+
+void uart_init_with_dma();
+
+void uart_disable();
+
+void uart_send_char(char c);
+
+void uart_send_array(const char *data, uint32_t len);
+
+void uart_send_string(const char *string);
+
+void uart_send_array_with_dma(const char *data, uint32_t len);
+
+void uart_send_string_with_dma(const char *string);
+
+int uart_receive_data_with_dma(const char **data, size_t *len);
+
+
+#endif /* UART_UART_H_ */