diff options
| author | Keith Packard <keithp@keithp.com> | 2016-10-30 19:06:20 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2016-10-30 19:07:39 -0700 |
| commit | 148f6e0a107d9e88509958700351794f2f971312 (patch) | |
| tree | b8deba59053ff64b106ea5272cf9c4c8fa0b6d76 /src/stmf0/ao_arch_funcs.h | |
| parent | 26f2727eac0cca8930dde9d757bc094f73801859 (diff) | |
altos/stmf0: Add USART support
The STM32F0 usart can be operated much like the STM32L usart, but the
registers are all moved around.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/stmf0/ao_arch_funcs.h')
| -rw-r--r-- | src/stmf0/ao_arch_funcs.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h index 8b6234c4..d35bafbd 100644 --- a/src/stmf0/ao_arch_funcs.h +++ b/src/stmf0/ao_arch_funcs.h @@ -314,7 +314,18 @@ struct ao_stm_usart { struct ao_fifo rx_fifo; struct ao_fifo tx_fifo; struct stm_usart *reg; - uint8_t tx_started; + uint8_t tx_running; + uint8_t draining; +#if HAS_SERIAL_SW_FLOW + /* RTS - 0 if we have FIFO space, 1 if not + * CTS - 0 if we can send, 0 if not + */ + struct stm_gpio *gpio_rts; + struct stm_gpio *gpio_cts; + uint8_t pin_rts; + uint8_t pin_cts; + uint8_t rts; +#endif }; #if HAS_SERIAL_1 |