diff options
Diffstat (limited to 'shared/tinyusb/mp_usbd_cdc.c')
| -rw-r--r-- | shared/tinyusb/mp_usbd_cdc.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/shared/tinyusb/mp_usbd_cdc.c b/shared/tinyusb/mp_usbd_cdc.c index 0fbecb0a86..b4151f685c 100644 --- a/shared/tinyusb/mp_usbd_cdc.c +++ b/shared/tinyusb/mp_usbd_cdc.c @@ -138,9 +138,12 @@ void tud_sof_cb(uint32_t frame_count) { #endif -#if MICROPY_HW_ENABLE_USBDEV && (MICROPY_HW_USB_CDC_1200BPS_TOUCH || MICROPY_HW_USB_CDC) +#if MICROPY_HW_ENABLE_USBDEV && ( \ + MICROPY_HW_USB_CDC_1200BPS_TOUCH || \ + MICROPY_HW_USB_CDC || \ + MICROPY_HW_USB_CDC_DTR_RTS_BOOTLOADER) -#if MICROPY_HW_USB_CDC_1200BPS_TOUCH +#if MICROPY_HW_USB_CDC_1200BPS_TOUCH || MICROPY_HW_USB_CDC_DTR_RTS_BOOTLOADER static mp_sched_node_t mp_bootloader_sched_node; static void usbd_cdc_run_bootloader_task(mp_sched_node_t *node) { @@ -149,6 +152,13 @@ static void usbd_cdc_run_bootloader_task(mp_sched_node_t *node) { } #endif +#if MICROPY_HW_USB_CDC_DTR_RTS_BOOTLOADER +static struct { + bool dtr : 1; + bool rts : 1; +} prev_line_state = {0}; +#endif + void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) { #if MICROPY_HW_USB_CDC && !MICROPY_EXCLUDE_SHARED_TINYUSB_USBD_CDC if (dtr) { @@ -159,6 +169,15 @@ void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) { tud_sof_cb_enable(true); } #endif + #if MICROPY_HW_USB_CDC_DTR_RTS_BOOTLOADER + if (dtr && !rts) { + if (prev_line_state.rts && !prev_line_state.dtr) { + mp_sched_schedule_node(&mp_bootloader_sched_node, usbd_cdc_run_bootloader_task); + } + } + prev_line_state.rts = rts; + prev_line_state.dtr = dtr; + #endif #if MICROPY_HW_USB_CDC_1200BPS_TOUCH if (dtr == false && rts == false) { // Device is disconnected. |