diff options
| author | Nathan Conrad <[email protected]> | 2019-09-16 20:25:50 -0400 |
|---|---|---|
| committer | Nathan Conrad <[email protected]> | 2019-09-16 20:25:50 -0400 |
| commit | d341337c6a80622c22fc002b35a65b40bdf15b4b (patch) | |
| tree | 1c50ecb720b6715bac2cd6a1bc80adcd40771150 /src | |
| parent | 6b9783ceadf36d6507a624b8413adf9686d6e541 (diff) | |
Implement remote wakeup + perhaps better sleep?
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c index d3cbef43c..0559a4087 100644 --- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c +++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c @@ -308,6 +308,17 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num) void dcd_remote_wakeup(uint8_t rhport) { (void) rhport; + uint32_t start; + + USB->CNTR |= (uint16_t)USB_CNTR_RESUME; + /* Wait 1 to 15 ms */ + /* Busy loop is bad, but the osal_task_delay() isn't implemented for the "none" OSAL */ + start = board_millis(); + while ((board_millis() - start) < 2) + { + ; + } + USB->CNTR &= (uint16_t)(~USB_CNTR_RESUME); } // I'm getting a weird warning about missing braces here that I don't @@ -538,10 +549,10 @@ static void dcd_fs_irqHandler(void) { } if (int_status & USB_ISTR_WKUP) { - reg16_clear_bits(&USB->CNTR, USB_CNTR_LPMODE); reg16_clear_bits(&USB->CNTR, USB_CNTR_FSUSP); reg16_clear_bits(&USB->ISTR, USB_ISTR_WKUP); + dcd_event_bus_signal(0, DCD_EVENT_RESUME, true); } if (int_status & USB_ISTR_SUSP) @@ -552,6 +563,7 @@ static void dcd_fs_irqHandler(void) { /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */ reg16_clear_bits(&USB->ISTR, USB_ISTR_SUSP); + dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true); } if(int_status & USB_ISTR_SOF) { |