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author | Josh Blum <josh@joshknows.com> | 2010-12-22 19:19:14 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-12-22 19:19:14 -0800 |
commit | 22ed61f97815856bf74cec25ae6bca88bfbe5f44 (patch) | |
tree | 7d87d49b46f9507ff10486097e6d79e4bee4cb81 /firmware/zpu/lib/hal_uart.h | |
parent | 71fc99d006f2347a356c5339905593f64ff902ec (diff) | |
download | uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.tar.gz uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.tar.bz2 uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.zip |
zpu: renamed the directory for the usrp2 fw to zpu to reflect the cpu type
Diffstat (limited to 'firmware/zpu/lib/hal_uart.h')
-rw-r--r-- | firmware/zpu/lib/hal_uart.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/firmware/zpu/lib/hal_uart.h b/firmware/zpu/lib/hal_uart.h new file mode 100644 index 000000000..758c8cb5e --- /dev/null +++ b/firmware/zpu/lib/hal_uart.h @@ -0,0 +1,94 @@ +/* -*- c -*- */ +/* + * Copyright 2007,2008 Free Software Foundation, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef INCLUDED_HAL_UART_H +#define INCLUDED_HAL_UART_H + +/*! + * \brief uart mode flags + */ +#define UART_MODE_RAW 0x0000 // no mapping on input or output +#define UART_MODE_ONLCR 0x0001 // map \n to \r\n on output (default) + +#define DEFAULT_UART UART_DEBUG //which UART printf, gets, etc. use + +#define HAL_UART_TIMEOUT_MS 300 + +typedef enum { + US_9600 = 0, + US_19200 = 1, + US_38400 = 2, + US_57600 = 3, + US_115200 = 4, + US_230400 = 5 +} hal_uart_speed_t; + +typedef struct { + hal_uart_speed_t speed; +} hal_uart_config_t; + +typedef enum { + UART_DEBUG = 0, + UART_EXP = 1, + UART_GPS = 2 +} hal_uart_name_t; + +/* + * \brief Set uart mode + */ +void hal_uart_set_mode(hal_uart_name_t uart, int flags); + +/*! + * \brief one-time call to init + */ +void hal_uart_init(void); + +/*! + * \brief Set uart parameters + * Default is 115,200 bps, 8N1. + */ +void hal_uart_set_config(const hal_uart_config_t *c); + +/*! + * \brief Get uart configuation. + */ +void hal_uart_get_config(hal_uart_config_t *c); + +/*! + * \brief Enqueue \p ch for output over serial port + */ +void hal_uart_putc(hal_uart_name_t u, int ch); + +/*! + * \brief Enqueue \p ch for output over serial port, silent fail if queue is full + */ +void hal_uart_putc_nowait(hal_uart_name_t u, int ch); + +/* + * \brief Blocking read of next char from serial port + */ +int hal_uart_getc(hal_uart_name_t u); + +/* + * \brief Blocking read of next char from serial port with timeout + */ +int hal_uart_getc_timeout(hal_uart_name_t u); + +int hal_uart_rx_flush(hal_uart_name_t u); + +#endif /* INCLUDED_HAL_UART_H */ |