* @file : main.c
* @brief : Main program body
******************************************************************************
- * This notice applies to any and all portions of this file
+ ** This notice applies to any and all portions of this file
* that are not between comment pairs USER CODE BEGIN and
* USER CODE END. Other portions of this file, whether
* inserted by the user or by software development tools
* are owned by their respective copyright owners.
*
- * Copyright (c) 2018 STMicroelectronics International N.V.
- * All rights reserved.
+ * COPYRIGHT(c) 2018 STMicroelectronics
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions are met:
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
*
- * 1. Redistribution of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of other
- * contributors to this software may be used to endorse or promote products
- * derived from this software without specific written permission.
- * 4. This software, including modifications and/or derivative works of this
- * software, must execute solely and exclusively on microcontroller or
- * microprocessor devices manufactured by or for STMicroelectronics.
- * 5. Redistribution and use of this software other than as permitted under
- * this license is void and will automatically terminate your rights under
- * this license.
- *
- * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
- * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
- * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f1xx_hal.h"
-#include "usb_device.h"
+#include "usb.h"
/* USER CODE BEGIN Includes */
/* Private variables ---------------------------------------------------------*/
+PCD_HandleTypeDef hpcd_USB_FS;
+
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
-USBD_HandleTypeDef USBD_Device;
+struct usb usb;
/* USER CODE END PV */
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void MX_I2C2_Init(void);
+static void MX_USB_PCD_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN 0 */
+#include <stdarg.h>
+#include <stdint.h>
+#include <string.h>
+
+void semi_put_char(char c)
+{
+ // This is tricky, we need to work around GCC bugs
+ volatile char cc = c;
+ asm volatile (
+ "mov r0, #0x03\n" /* SYS_WRITEC */
+ "mov r1, %[msg]\n"
+ "bkpt #0xAB\n"
+ :
+ : [msg] "r" (&cc)
+ : "r0", "r1"
+ );
+}
+
+void semi_write_string(char *c)
+{
+ asm volatile (
+ "mov r0, #0x04\n" /* SYS_WRITE0 */
+ "mov r1, %[msg]\n"
+ "bkpt #0xAB\n"
+ :
+ : [msg] "r" (c)
+ : "r0", "r1"
+ );
+}
+
+void debug_putc(int c)
+{
+ static char debug_buf[16];
+ static int debug_i;
+ debug_buf[debug_i++] = c;
+ if (c == '\n' || debug_i >= sizeof(debug_buf) - 1)
+ {
+ debug_buf[debug_i] = 0;
+ semi_write_string(debug_buf);
+ debug_i = 0;
+ }
+}
+
+void debug_puts(const char *s)
+{
+ while (*s)
+ debug_putc(*s++);
+}
+
+enum printf_flags {
+ PF_ZERO_PAD = 1,
+ PF_SIGNED = 2,
+ PF_NEGATIVE = 4,
+ PF_UPPERCASE = 8,
+ PF_LEFT = 16,
+};
+
+static void printf_string(const char *s, uint width, uint flags)
+{
+ uint len = strlen(s);
+ uint pad = (len < width) ? width - len : 0;
+ char pad_char = (flags & PF_ZERO_PAD) ? '0' : ' ';
+
+ if (flags & PF_LEFT)
+ debug_puts(s);
+ while (pad--)
+ debug_putc(pad_char);
+ if (!(flags & PF_LEFT))
+ debug_puts(s);
+}
+
+static void printf_number(uint i, uint width, uint flags, uint base)
+{
+ char buf[16];
+ char *w = buf + sizeof(buf);
+
+ if (flags & PF_SIGNED)
+ {
+ if ((int) i < 0)
+ {
+ i = - (int) i;
+ flags |= PF_NEGATIVE;
+ }
+ }
+
+ *--w = 0;
+ do
+ {
+ uint digit = i % base;
+ if (digit < 10)
+ *--w = '0' + digit;
+ else
+ *--w = ((flags & PF_UPPERCASE) ? 'A' : 'a') + digit - 10;
+ i /= base;
+ }
+ while (i);
+
+ if (flags & PF_NEGATIVE)
+ *--w = '-';
+
+ printf_string(w, width, flags);
+}
+
+void debug_printf(const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+
+ while (*fmt)
+ {
+ int c = *fmt++;
+ if (c != '%')
+ {
+ debug_putc(c);
+ continue;
+ }
+
+ uint width = 0;
+ uint flags = 0;
+
+ if (*fmt == '-')
+ {
+ fmt++;
+ flags |= PF_LEFT;
+ }
+
+ if (*fmt == '0')
+ {
+ fmt++;
+ flags |= PF_ZERO_PAD;
+ }
+
+ while (*fmt >= '0' && *fmt <= '9')
+ width = 10*width + *fmt++ - '0';
+
+ c = *fmt++;
+ switch (c)
+ {
+ case 'd':
+ printf_number(va_arg(args, int), width, flags | PF_SIGNED, 10);
+ break;
+ case 'u':
+ printf_number(va_arg(args, int), width, flags, 10);
+ break;
+ case 'X':
+ flags |= PF_UPPERCASE;
+ // fall-thru
+ case 'x':
+ printf_number(va_arg(args, int), width, flags, 16);
+ break;
+ case 's':
+ printf_string(va_arg(args, char *), width, flags);
+ break;
+ default:
+ debug_putc(c);
+ continue;
+ }
+ }
+
+ va_end(args);
+}
+
/* USER CODE END 0 */
/**
MX_GPIO_Init();
MX_I2C1_Init();
MX_I2C2_Init();
- MX_USB_DEVICE_Init();
+ MX_USB_PCD_Init();
/* USER CODE BEGIN 2 */
+ usb_init(&usb, &hpcd_USB_FS);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
+ int cnt = 0;
while (1)
{
LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
- LL_mDelay(1000);
+ LL_mDelay(500);
LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
- LL_mDelay(1000);
+ LL_mDelay(500);
+ debug_printf("Counter = %d\n", cnt++);
/* USER CODE END WHILE */
}
+/* USB init function */
+static void MX_USB_PCD_Init(void)
+{
+ hpcd_USB_FS.Instance = USB;
+ hpcd_USB_FS.Init.dev_endpoints = 8;
+ hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
+ hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_64;
+ hpcd_USB_FS.Init.low_power_enable = DISABLE;
+ hpcd_USB_FS.Init.lpm_enable = DISABLE;
+ hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
+ if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+}
+
/** Configure pins as
* Analog
* Input
projects / home-hw.git / blobdiff