EMTime/libopencm3-examples
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Intermediate step in the examples tree, looking to get USB working correctly on the

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429 still
This commit is contained in:
Chuck McManis
2014-05-31 14:01:37 -07:00
committed by Piotr Esden-Tempski
parent e4d106dce6
commit a3ff2c9250
5 changed files with 18 additions and 6 deletions
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12
examples/stm32/f4/stm32f4-disco/lcd-serial/sdram.c
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@@ -67,8 +67,12 @@ sdram_init(void) {
/*
* First all the GPIO pins that end up as SDRAM pins
*/
rcc_periph_clock_enable(RCC_GPIOB | RCC_GPIOC | RCC_GPIOD |
RCC_GPIOE | RCC_GPIOF | RCC_GPIOG);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOE);
rcc_periph_clock_enable(RCC_GPIOF);
rcc_periph_clock_enable(RCC_GPIOG);
for (i = 0; i < 6; i++) {
gpio_mode_setup(sdram_pins[i].gpio, GPIO_MODE_AF, GPIO_PUPD_NONE,
@@ -79,7 +83,11 @@ sdram_init(void) {
}
/* Enable the SDRAM Controller */
#if 1
rcc_periph_clock_enable(RCC_FSMC);
#else
rcc_peripheral_enable_clock(&RCC_AHB3ENR, RCC_AHB3ENR_FMCEN);
#endif
/* Note the STM32F429-DISCO board has the ram attached to bank 2 */
/* Timing parameters computed for a 168Mhz clock */

5
examples/stm32/f4/stm32f4-disco/sdram/sdram.c
View File

@@ -73,15 +73,12 @@ sdram_init(void) {
/*
* First all the GPIO pins that end up as SDRAM pins
*/
rcc_periph_clock_enable(RCC_GPIOB | RCC_GPIOC | RCC_GPIOD |
RCC_GPIOE | RCC_GPIOF | RCC_GPIOG);
/*
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOE);
rcc_periph_clock_enable(RCC_GPIOF);
rcc_periph_clock_enable(RCC_GPIOG);
*/
for (i = 0; i < 6; i++) {
gpio_mode_setup(sdram_pins[i].gpio, GPIO_MODE_AF, GPIO_PUPD_NONE,

1
examples/stm32/f4/stm32f4-disco/spi/Makefile
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@@ -1,3 +1,4 @@
CFLAGS = -DTEST
OBJS = clock.o console.o
BINARY = spi-mems

2
examples/stm32/f4/stm32f4-discovery/usb_cdcacm/Makefile
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@@ -17,6 +17,8 @@
## along with this library. If not, see <http://www.gnu.org/licenses/>.
##
OBJS = console.o
BINARY = cdcacm
LDSCRIPT = ../stm32f4-discovery.ld

4
examples/stm32/f4/stm32f4-discovery/usb_cdcacm/cdcacm.c
View File

@@ -23,6 +23,7 @@
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/cdc.h>
#include <libopencm3/cm3/scb.h>
#include "console.h"
static const struct usb_device_descriptor dev = {
.bLength = USB_DT_DEVICE_SIZE,
@@ -208,6 +209,7 @@ static void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep)
static void cdcacm_set_config(usbd_device *usbd_dev, uint16_t wValue)
{
console_puts("set config called.\n");
(void)wValue;
usbd_ep_setup(usbd_dev, 0x01, USB_ENDPOINT_ATTR_BULK, 64,
@@ -227,6 +229,8 @@ int main(void)
usbd_device *usbd_dev;
rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_120MHZ]);
console_setup();
console_puts("USB demo (orig)\n");
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_OTGFS);