diff options
Diffstat (limited to 'stm-uart.h')
-rw-r--r-- | stm-uart.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/stm-uart.h b/stm-uart.h new file mode 100644 index 0000000..7019a48 --- /dev/null +++ b/stm-uart.h @@ -0,0 +1,49 @@ +/* + * stm-uart.h + * --------- + * Functions and defines to use the UART. + * + * Copyright (c) 2015, NORDUnet A/S All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the NORDUnet nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __STM32_UART_H +#define __STM32_UART_H + +#include "stm32f4xx_hal.h" + +#define USART2_BAUD_RATE 115200 + +extern void uart_send_char(uint8_t ch); +extern void uart_send_string(char *s); +extern void uart_send_number(uint32_t num, uint8_t digits, uint8_t radix); +#define uart_send_binary(num, bits) uart_send_number(num, bits, 2) +#define uart_send_integer(num, digits) uart_send_number(num, digits, 10) +#define uart_send_hex(num, digits) uart_send_number(num, digits, 16) + +#endif /* __STM32_UART_H */ |