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correct midi for stm32f051

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Kizarm 2024-03-09 12:20:35 +01:00
parent 9255d8d7e1
commit 4a3aaa1a0e
1 changed files with 3 additions and 1 deletions
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4
stm32f051/pcmdma.cpp
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@ -31,6 +31,8 @@ static void Dma1Ch5Init (void * addr) {
static PcmDma * PcmDmaInstance = nullptr;
PcmDma::PcmDma() noexcept : pL(buffer), pH(buffer + HALF_LEN) {
PcmDmaInstance = this;
const GpioClass de (GpioPortA, 12);
de << true; // použitý hardware používá jako budič sluchátek 75176 (RS485), nutno vybavit
for (unsigned n=0; n<FULL_LEN; n++) buffer[n] = MAXPWM >> 1;
GpioClass pin1p (GpioPortA, 9, GPIO_Mode_AF);
GpioClass pin1n (GpioPortB, 0, GPIO_Mode_AF);
@ -57,7 +59,7 @@ PcmDma::PcmDma() noexcept : pL(buffer), pH(buffer + HALF_LEN) {
});
// Set Output, dead time
TIM1.BDTR.modify([](TIM1_Type::BDTR_DEF & r) -> auto {
r.B.DTG = 48u; // dead: 1 us
//r.B.DTG = 48u; // dead: 1 us
r.B.MOE = SET; // Main output enable
//r.B.OSSR = 1u; // Off-state selection for Run mode - TODO
return r.R;