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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-02-01 10:14:56 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-02-06 22:03:09 -0500 |
| commit | eb8db46ca3dc23286da5cf5e1c23af2456080172 (patch) | |
| tree | a594111424e8a51ed3b5082254282cfb35524aef /src/stm32f1/usbserial.c | |
| parent | 1096075d9b2d10302abd42cfdeef155f145f64e1 (diff) | |
| download | kutter-eb8db46ca3dc23286da5cf5e1c23af2456080172.tar.gz kutter-eb8db46ca3dc23286da5cf5e1c23af2456080172.tar.xz kutter-eb8db46ca3dc23286da5cf5e1c23af2456080172.zip | |
stm32f1: Use internal functions for early USB gpio toggle
Avoid using the "low-level" library timing utilities. This is in
preparation for using SysTick as part of the timer implementation.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/stm32f1/usbserial.c')
| -rw-r--r-- | src/stm32f1/usbserial.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/stm32f1/usbserial.c b/src/stm32f1/usbserial.c index 20e1da0d..641aacc0 100644 --- a/src/stm32f1/usbserial.c +++ b/src/stm32f1/usbserial.c @@ -5,13 +5,13 @@ // This file may be distributed under the terms of the GNU GPLv3 license. #include <string.h> // NULL +#include "board/gpio.h" // gpio_out_setup #include "board/io.h" // writeb #include "board/usb_cdc.h" // usb_notify_ep0 #include "board/usb_cdc_ep.h" // USB_CDC_EP_BULK_IN +#include "internal.h" // GPIO #include "sched.h" // DECL_INIT #include "stm32f1xx.h" // USB -#include "stm32f1xx_ll_gpio.h" // LL_GPIO_SetOutputPin -#include "stm32f1xx_ll_utils.h" // LL_mDelay /**************************************************************** @@ -226,10 +226,9 @@ void usb_init(void) { // Pull the D+ pin low briefly to signal a new connection - LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_12); - LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_12, LL_GPIO_MODE_OUTPUT); - LL_mDelay(5); - LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_12, LL_GPIO_MODE_FLOATING); + gpio_out_setup(GPIO('A', 12), 0); + udelay(5000); + gpio_in_setup(GPIO('A', 12), 0); // Setup USB packet memory btable_configure(); |