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echoplayer: add PCM debug menu

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Display DMA error counters and the SAI underrun counter
in the debug menu.

Change-Id: I235bfcb0fa965d87c30deeb300535141eda5f974
This commit is contained in:
Aidan MacDonald 2026-02-27 20:33:06 +00:00 • committed by Solomon Peachy
parent 5c1ae51193
commit 84fa538979
2 changed files with 84 additions and 0 deletions
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57
firmware/target/arm/stm32/debug-stm32h7.c
View file

@ -86,11 +86,68 @@ static bool swd_menu(void)
return simplelist_show_list(&info); return simplelist_show_list(&info);
} }
#if defined(ECHO_R1)
extern volatile int pcm_sai_xrun_count;
extern volatile int pcm_dma_teif_count;
extern volatile int pcm_dma_dmeif_count;
extern volatile int pcm_dma_feif_count;
struct pcmdebug_counter
{
const char *name;
volatile int *value;
};
static const struct pcmdebug_counter pcmdebug_counters[] =
{
{"SAI xrun count", &pcm_sai_xrun_count},
{"DMA TEIF count", &pcm_dma_teif_count},
{"DMA DMEIF count", &pcm_dma_dmeif_count},
{"DMA FEIF count", &pcm_dma_feif_count},
};
static int pcmdebug_menu_action_cb(int action, struct gui_synclist *lists)
{
if (action == ACTION_STD_OK)
{
int item = gui_synclist_get_sel_pos(lists);
const struct pcmdebug_counter *counter = &pcmdebug_counters[item];
*counter->value = 0;
action = ACTION_REDRAW;
}
if (action == ACTION_NONE)
action = ACTION_REDRAW;
return action;
}
static const char *pcmdebug_menu_get_name(int item, void *data, char *buf, size_t bufsz)
{
const struct pcmdebug_counter *counter = &pcmdebug_counters[item];
(void)data;
snprintf(buf, bufsz, "%s: %d", counter->name, *counter->value);
return buf;
}
static bool pcm_debug_menu(void)
{
struct simplelist_info info;
simplelist_info_init(&info, "PCM debug", ARRAYLEN(pcmdebug_counters), NULL);
info.action_callback = pcmdebug_menu_action_cb;
info.get_name = pcmdebug_menu_get_name;
return simplelist_show_list(&info);
}
#endif
/* Menu definition */ /* Menu definition */
static const struct { static const struct {
const char *name; const char *name;
bool (*function) (void); bool (*function) (void);
} menuitems[] = { } menuitems[] = {
{"PCM debug", pcm_debug_menu},
{"SWD/JTAG", swd_menu}, {"SWD/JTAG", swd_menu},
}; };

27
firmware/target/arm/stm32/echoplayer/pcm-echoplayer.c
View file

@ -65,6 +65,11 @@ static volatile int play_active;
static int pcm_last_freq = -1; static int pcm_last_freq = -1;
volatile int pcm_sai_xrun_count;
volatile int pcm_dma_teif_count;
volatile int pcm_dma_dmeif_count;
volatile int pcm_dma_feif_count;
static void play_dma_start(const void *addr, size_t size) static void play_dma_start(const void *addr, size_t size)
{ {
commit_dcache_range(addr, size); commit_dcache_range(addr, size);
@ -151,8 +156,12 @@ static void sai_init(void)
SLOTSZ_V(DATASZ), /* slot size = data size */ SLOTSZ_V(DATASZ), /* slot size = data size */
FBOFF(0)); /* no bit offset in slot */ FBOFF(0)); /* no bit offset in slot */
/* Enable xrun error interrupt */
reg_writelf(sai1a, SAI_SUBBLOCK_IM, OVRUDR(1));
/* Enable interrupts in NVIC */ /* Enable interrupts in NVIC */
nvic_enable_irq(NVIC_IRQN_DMA1_STR0); nvic_enable_irq(NVIC_IRQN_DMA1_STR0);
nvic_enable_irq(NVIC_IRQN_SAI1);
} }
struct div_settings struct div_settings
@ -326,6 +335,15 @@ void dma1_ch0_irq_handler(void)
const void *addr; const void *addr;
size_t size; size_t size;
if (reg_vreadf(lisr, DMA_LISR, TEIF0))
pcm_dma_teif_count++;
if (reg_vreadf(lisr, DMA_LISR, DMEIF0))
pcm_dma_dmeif_count++;
if (reg_vreadf(lisr, DMA_LISR, FEIF0))
pcm_dma_feif_count++;
if (reg_vreadf(lisr, DMA_LISR, TEIF0) || if (reg_vreadf(lisr, DMA_LISR, TEIF0) ||
reg_vreadf(lisr, DMA_LISR, DMEIF0) || reg_vreadf(lisr, DMA_LISR, DMEIF0) ||
reg_vreadf(lisr, DMA_LISR, FEIF0)) reg_vreadf(lisr, DMA_LISR, FEIF0))
@ -352,3 +370,12 @@ void dma1_ch0_irq_handler(void)
panicf("%s: %08lx", __func__, lisr); panicf("%s: %08lx", __func__, lisr);
} }
} }
void sai1_irq_handler(void)
{
if (reg_readlf(sai1a, SAI_SUBBLOCK_SR, OVRUDR))
{
reg_assignlf(sai1a, SAI_SUBBLOCK_CLRFR, OVRUDR(1));
pcm_sai_xrun_count++;
}
}