diff options
author | Paul Selkirk <paul@psgd.org> | 2016-03-16 10:18:50 -0400 |
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committer | Paul Selkirk <paul@psgd.org> | 2016-03-16 10:18:50 -0400 |
commit | 533898d765397abb07be72d7c394a8908157ad8c (patch) | |
tree | f5e88b52f52f0f1896c887c4445e152767269aec /stm-uart.c | |
parent | c77986dcefbf2123caea6c2fb0573eb81226348c (diff) |
Added uart_recv_char() to support RPC.
Moved hal_io_fmc.c to libhal repo.
Diffstat (limited to 'stm-uart.c')
-rw-r--r-- | stm-uart.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -41,21 +41,27 @@ UART_HandleTypeDef huart2; /* send a single character */ -void uart_send_char(uint8_t ch) +HAL_StatusTypeDef uart_send_char(uint8_t ch) { - HAL_UART_Transmit(&huart2, &ch, 1, 0x1); + return HAL_UART_Transmit(&huart2, &ch, 1, 0x1); +} + +/* receive a single character */ +HAL_StatusTypeDef uart_recv_char(uint8_t *cp) +{ + return HAL_UART_Receive(&huart2, cp, 1, 0x0); } /* send a string */ -void uart_send_string(char *s) +HAL_StatusTypeDef uart_send_string(char *s) { - HAL_UART_Transmit(&huart2, (uint8_t *) s, strlen(s), 0x1); + return HAL_UART_Transmit(&huart2, (uint8_t *) s, strlen(s), 0x1); } /* Generalized routine to send binary, decimal, and hex integers. * This code is adapted from Chris Giese's printf.c */ -void uart_send_number(uint32_t num, uint8_t digits, uint8_t radix) +HAL_StatusTypeDef uart_send_number(uint32_t num, uint8_t digits, uint8_t radix) { #define BUFSIZE 32 char buf[BUFSIZE]; @@ -83,5 +89,5 @@ void uart_send_number(uint32_t num, uint8_t digits, uint8_t radix) /* number is larger than the specified number of digits */ digits = buf + BUFSIZE - where; - HAL_UART_Transmit(&huart2, (uint8_t *) where, digits, 0x1); + return HAL_UART_Transmit(&huart2, (uint8_t *) where, digits, 0x1); } |