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added NfcV emulation

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This commit is contained in:
g3gg0
2022-11-14 21:12:18 +01:00
parent fe216b4ddd
commit bcd33ca125
18 changed files with 1150 additions and 48 deletions
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11
lib/digital_signal/digital_signal.c
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@@ -16,7 +16,7 @@ DigitalSignal* digital_signal_alloc(uint32_t max_edges_cnt) {
signal->start_level = true;
signal->edges_max_cnt = max_edges_cnt;
signal->edge_timings = malloc(max_edges_cnt * sizeof(uint32_t));
signal->reload_reg_buff = malloc(max_edges_cnt * sizeof(uint32_t));
signal->reload_reg_buff = malloc(signal->edges_max_cnt * sizeof(uint32_t));
signal->edge_cnt = 0;
return signal;
@@ -37,7 +37,10 @@ bool digital_signal_append(DigitalSignal* signal_a, DigitalSignal* signal_b) {
if(signal_a->edges_max_cnt < signal_a->edge_cnt + signal_b->edge_cnt) {
return false;
}
/* in case there are no edges in our target signal, the signal to append makes the rules */
if(!signal_a->edge_cnt) {
signal_a->start_level = signal_b->start_level;
}
bool end_level = signal_a->start_level;
if(signal_a->edge_cnt) {
end_level = signal_a->start_level ^ !(signal_a->edge_cnt % 2);
@@ -84,6 +87,7 @@ void digital_signal_prepare_arr(DigitalSignal* signal) {
uint32_t r_count_tick_arr = 0;
uint32_t r_rest_div = 0;
for(size_t i = 0; i < signal->edge_cnt - 1; i++) {
r_count_tick_arr = t_signal_rest / T_TIM;
r_rest_div = t_signal_rest % T_TIM;
@@ -162,7 +166,8 @@ void digital_signal_send(DigitalSignal* signal, const GpioPin* gpio) {
LL_TIM_EnableCounter(TIM2);
while(!LL_DMA_IsActiveFlag_TC2(DMA1))
;
{
}
LL_DMA_ClearFlag_TC1(DMA1);
LL_DMA_ClearFlag_TC2(DMA1);