Mario Hüttel
8bbc2e60f8
* Shellmatta implemented using UART * Version string implemented * Increased heap size * Add shellmatta printf support
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
#include <stdint.h>
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#include <stddef.h>
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#ifndef UART_UART_H_
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#define UART_UART_H_
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#define UART_RECEIVE_DMA_STREAM
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#define UART_SEND_DMA_STREAM
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#define UART_PORT_RCC_MASK RCC_AHB1ENR_GPIOAEN
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#define UART_PORT GPIOA
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#define UART_PERIPH USART1
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#define UART_RCC_MASK RCC_APB2ENR_USART1EN
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#define UART_RX_PIN 10
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#define UART_TX_PIN 9
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#define UART_RX_PIN_ALTFUNC 7
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#define UART_TX_PIN_ALTFUNC 7
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/* UART_DIV is 45.5625 => 115200 @ 84 MHz */
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#define UART_DIV_FRACTION 9U /* Equals 9/16 = 0.5625 */
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#define UART_DIV_MANTISSA 45U /* Equals 45 */
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#define UART_BRR_REG_VALUE ((UART_DIV_MANTISSA<<4) | UART_DIV_FRACTION);
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void initUART();
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void sendChar(char c);
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void sendString(char* s, int count);
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void uart_init_with_dma();
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void uart_disable();
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void uart_send_char(char c);
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void uart_send_array(const char *data, uint32_t len);
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void uart_send_string(char *string);
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void uart_send_array_with_dma(char *data, uint32_t len);
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void uart_send_string_with_dma(char *string);
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int uart_receive_data_with_dma(const char **data, size_t *len);
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#endif /* UART_UART_H_ */
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