diff options
Diffstat (limited to 'source/dac.cpp')
| -rw-r--r-- | source/dac.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/source/dac.cpp b/source/dac.cpp index ce9c465..2772928 100644 --- a/source/dac.cpp +++ b/source/dac.cpp @@ -2,7 +2,7 @@ * @file dac.cpp * @brief Manages signal creation using the DAC. * - * Copyright (C) 2020 Clyne Sullivan + * Copyright (C) 2021 Clyne Sullivan * * Distributed under the GNU GPL v3 or later. You should have received a copy of * the GNU General Public License along with this program. @@ -22,9 +22,16 @@ const DACConfig DAC::m_config = { .cr = 0 }; +static int dacIsDone = -1; +static void dacEndCallback(DACDriver *dacd) +{ + if (dacd == &DACD2) + dacIsDone = dacIsBufferComplete(dacd) ? 1 : 0; +} + const DACConversionGroup DAC::m_group_config = { .num_channels = 1, - .end_cb = nullptr, + .end_cb = dacEndCallback, .error_cb = nullptr, #if defined(TARGET_PLATFORM_H7) .trigger = 5 // TIM6_TRGO @@ -45,11 +52,18 @@ void DAC::begin() void DAC::start(int channel, dacsample_t *buffer, size_t count) { if (channel >= 0 && channel < 2) { + if (channel == 1) + dacIsDone = -1; dacStartConversion(m_driver[channel], &m_group_config, buffer, count); SClock::start(); } } +int DAC::sigGenWantsMore() +{ + return dacIsDone; +} + void DAC::stop(int channel) { if (channel >= 0 && channel < 2) { |