diff options
Diffstat (limited to 'ports/stm32f4/supervisor')
| -rwxr-xr-x | ports/stm32f4/supervisor/cpu.s | 27 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/internal_flash.c | 73 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/internal_flash.h | 37 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/internal_flash_root_pointers.h | 31 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/port.c | 80 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/qspi_flash.c | 162 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/serial.c | 75 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/usb.c | 80 |
8 files changed, 565 insertions, 0 deletions
diff --git a/ports/stm32f4/supervisor/cpu.s b/ports/stm32f4/supervisor/cpu.s new file mode 100755 index 000000000..9e6807a5e --- /dev/null +++ b/ports/stm32f4/supervisor/cpu.s @@ -0,0 +1,27 @@ +.syntax unified +.cpu cortex-m4 +.thumb +.text +.align 2 + +@ uint cpu_get_regs_and_sp(r0=uint regs[10]) +.global cpu_get_regs_and_sp +.thumb +.thumb_func +.type cpu_get_regs_and_sp, %function +cpu_get_regs_and_sp: +@ store registers into given array +str r4, [r0], #4 +str r5, [r0], #4 +str r6, [r0], #4 +str r7, [r0], #4 +str r8, [r0], #4 +str r9, [r0], #4 +str r10, [r0], #4 +str r11, [r0], #4 +str r12, [r0], #4 +str r13, [r0], #4 + +@ return the sp +mov r0, sp +bx lr diff --git a/ports/stm32f4/supervisor/internal_flash.c b/ports/stm32f4/supervisor/internal_flash.c new file mode 100644 index 000000000..fa776ae1d --- /dev/null +++ b/ports/stm32f4/supervisor/internal_flash.c @@ -0,0 +1,73 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "supervisor/flash.h" + +#include <stdint.h> +#include <string.h> + +#include "extmod/vfs.h" +#include "extmod/vfs_fat.h" +#include "py/mphal.h" +#include "py/obj.h" +#include "py/runtime.h" +#include "lib/oofatfs/ff.h" + + +/*------------------------------------------------------------------*/ +/* Internal Flash API + *------------------------------------------------------------------*/ +static inline uint32_t lba2addr(uint32_t block) { +} + +void supervisor_flash_init(void) { +} + +uint32_t supervisor_flash_get_block_size(void) { + return FILESYSTEM_BLOCK_SIZE; +} + +uint32_t supervisor_flash_get_block_count(void) { + return false; +} + +void supervisor_flash_flush(void) { + +} + +mp_uint_t supervisor_flash_read_blocks(uint8_t *dest, uint32_t block, uint32_t num_blocks) { + + return 0; // success +} + +mp_uint_t supervisor_flash_write_blocks(const uint8_t *src, uint32_t lba, uint32_t num_blocks) { + + + return 0; // success +} + +void supervisor_flash_release_cache(void) { +} + diff --git a/ports/stm32f4/supervisor/internal_flash.h b/ports/stm32f4/supervisor/internal_flash.h new file mode 100644 index 000000000..8c015a3e4 --- /dev/null +++ b/ports/stm32f4/supervisor/internal_flash.h @@ -0,0 +1,37 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_H +#define MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_H + +#include <stdbool.h> +#include <stdint.h> + +#include "py/mpconfig.h" + +#define INTERNAL_FLASH_SYSTICK_MASK (0x1ff) // 512ms +#define INTERNAL_FLASH_IDLE_TICK(tick) (((tick) & INTERNAL_FLASH_SYSTICK_MASK) == 2) + +#endif // MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_H diff --git a/ports/stm32f4/supervisor/internal_flash_root_pointers.h b/ports/stm32f4/supervisor/internal_flash_root_pointers.h new file mode 100644 index 000000000..7a8681bd9 --- /dev/null +++ b/ports/stm32f4/supervisor/internal_flash_root_pointers.h @@ -0,0 +1,31 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_ROOT_POINTERS_H +#define MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_ROOT_POINTERS_H + +#define FLASH_ROOT_POINTERS + +#endif // MICROPY_INCLUDED_STM32F4_INTERNAL_FLASH_ROOT_POINTERS_H diff --git a/ports/stm32f4/supervisor/port.c b/ports/stm32f4/supervisor/port.c new file mode 100644 index 000000000..af4d1b8d8 --- /dev/null +++ b/ports/stm32f4/supervisor/port.c @@ -0,0 +1,80 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries + * Copyright (c) 2019 Lucian Copeland for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <stdint.h> +#include "supervisor/port.h" +#include "boards/board.h" +#include "tick.h" + +#include "stm32f4/clocks.h" +#include "stm32f4/gpio.h" + +#include "stm32f4xx_hal.h" + +//#include "shared-bindings/rtc/__init__.h" + +static void power_warning_handler(void) { + reset_into_safe_mode(BROWNOUT); +} + +safe_mode_t port_init(void) { + HAL_Init(); + + stm32f4_peripherals_clocks_init(); + stm32f4_peripherals_gpio_init(); + + tick_init(); + board_init(); + + return NO_SAFE_MODE; +} + +void reset_port(void) { + +} + +void reset_to_bootloader(void) { + +} + +void reset_cpu(void) { + +} + +extern uint32_t _ebss; +// Place the word to save just after our BSS section that gets blanked. +void port_set_saved_word(uint32_t value) { + _ebss = value; +} + +uint32_t port_get_saved_word(void) { + return _ebss; +} + +// void HardFault_Handler(void) { + +// } diff --git a/ports/stm32f4/supervisor/qspi_flash.c b/ports/stm32f4/supervisor/qspi_flash.c new file mode 100644 index 000000000..f3915273b --- /dev/null +++ b/ports/stm32f4/supervisor/qspi_flash.c @@ -0,0 +1,162 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 hathach for Adafruit Industries + * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "supervisor/spi_flash_api.h" + +#include <stdint.h> +#include <string.h> + +#include "py/mpconfig.h" // for EXTERNAL_FLASH_QSPI_DUAL +//#include "nrfx_qspi.h" + +//#include "shared-bindings/microcontroller/__init__.h" + +#include "supervisor/shared/external_flash/common_commands.h" +#include "supervisor/shared/external_flash/qspi_flash.h" + +bool spi_flash_command(uint8_t command) { + // nrf_qspi_cinstr_conf_t cinstr_cfg = { + // .opcode = command, + // .length = 1, + // .io2_level = true, + // .io3_level = true, + // .wipwait = false, + // .wren = false + // }; + return false; //nrfx_qspi_cinstr_xfer(&cinstr_cfg, NULL, NULL) == NRFX_SUCCESS; +} + +bool spi_flash_read_command(uint8_t command, uint8_t* response, uint32_t length) { + // nrf_qspi_cinstr_conf_t cinstr_cfg = { + // .opcode = command, + // .length = length + 1, + // .io2_level = true, + // .io3_level = true, + // .wipwait = false, + // .wren = false + // }; + // return nrfx_qspi_cinstr_xfer(&cinstr_cfg, NULL, response) == NRFX_SUCCESS; + return false; + +} + +bool spi_flash_write_command(uint8_t command, uint8_t* data, uint32_t length) { + // nrf_qspi_cinstr_conf_t cinstr_cfg = { + // .opcode = command, + // .length = length + 1, + // .io2_level = true, + // .io3_level = true, + // .wipwait = false, + // .wren = false // We do this manually. + // }; + // return nrfx_qspi_cinstr_xfer(&cinstr_cfg, data, NULL) == NRFX_SUCCESS; + return false; +} + +bool spi_flash_sector_command(uint8_t command, uint32_t address) { + // if (command != CMD_SECTOR_ERASE) { + // return false; + // } + // return nrfx_qspi_erase(NRF_QSPI_ERASE_LEN_4KB, address) == NRFX_SUCCESS; + return false; +} + +bool spi_flash_write_data(uint32_t address, uint8_t* data, uint32_t length) { + // return nrfx_qspi_write(data, length, address) == NRFX_SUCCESS; + return false; +} + +bool spi_flash_read_data(uint32_t address, uint8_t* data, uint32_t length) { + // return nrfx_qspi_read(data, length, address) == NRFX_SUCCESS; + return false; +} + +void spi_flash_init(void) { + // Init QSPI flash +// nrfx_qspi_config_t qspi_cfg = { +// .xip_offset = 0, +// .pins = { +// .sck_pin = MICROPY_QSPI_SCK, +// .csn_pin = MICROPY_QSPI_CS, +// .io0_pin = MICROPY_QSPI_DATA0, +// .io1_pin = NRF_QSPI_PIN_NOT_CONNECTED, +// .io2_pin = NRF_QSPI_PIN_NOT_CONNECTED, +// .io3_pin = NRF_QSPI_PIN_NOT_CONNECTED, + +// }, +// .prot_if = { +// .readoc = NRF_QSPI_READOC_FASTREAD, +// .writeoc = NRF_QSPI_WRITEOC_PP, +// .addrmode = NRF_QSPI_ADDRMODE_24BIT, +// .dpmconfig = false +// }, +// .phy_if = { +// .sck_freq = NRF_QSPI_FREQ_32MDIV16, // Start at a slow 2MHz and speed up once we know what we're talking to. +// .sck_delay = 10, // min time CS must stay high before going low again. in unit of 62.5 ns +// .spi_mode = NRF_QSPI_MODE_0, +// .dpmen = false +// }, +// .irq_priority = 7, +// }; + +// #if EXTERNAL_FLASH_QSPI_DUAL +// qspi_cfg.pins.io1_pin = MICROPY_QSPI_DATA1; +// qspi_cfg.prot_if.readoc = NRF_QSPI_READOC_READ2O; +// qspi_cfg.prot_if.writeoc = NRF_QSPI_WRITEOC_PP2O; +// #else +// qspi_cfg.pins.io1_pin = MICROPY_QSPI_DATA1; +// qspi_cfg.pins.io2_pin = MICROPY_QSPI_DATA2; +// qspi_cfg.pins.io3_pin = MICROPY_QSPI_DATA3; +// qspi_cfg.prot_if.readoc = NRF_QSPI_READOC_READ4IO; +// qspi_cfg.prot_if.writeoc = NRF_QSPI_WRITEOC_PP4O; +// #endif + +// // No callback for blocking API +// nrfx_qspi_init(&qspi_cfg, NULL, NULL); +} + +void spi_flash_init_device(const external_flash_device* device) { + // check_quad_enable(device); + + // // Switch to single output line if the device doesn't support quad programs. + // if (!device->supports_qspi_writes) { + // NRF_QSPI->IFCONFIG0 &= ~QSPI_IFCONFIG0_WRITEOC_Msk; + // NRF_QSPI->IFCONFIG0 |= QSPI_IFCONFIG0_WRITEOC_PP << QSPI_IFCONFIG0_WRITEOC_Pos; + // } + + // // Speed up as much as we can. + // // Start at 16 MHz and go down. + // // At 32 MHz GD25Q16C doesn't work reliably on Feather 52840, even though it should work up to 104 MHz. + // // sckfreq = 0 is 32 Mhz + // // sckfreq = 1 is 16 MHz, etc. + // uint8_t sckfreq = 1; + // while (32000000 / (sckfreq + 1) > device->max_clock_speed_mhz * 1000000 && sckfreq < 16) { + // sckfreq += 1; + // } + // NRF_QSPI->IFCONFIG1 &= ~QSPI_IFCONFIG1_SCKFREQ_Msk; + // NRF_QSPI->IFCONFIG1 |= sckfreq << QSPI_IFCONFIG1_SCKFREQ_Pos; +} diff --git a/ports/stm32f4/supervisor/serial.c b/ports/stm32f4/supervisor/serial.c new file mode 100644 index 000000000..3154dc3e5 --- /dev/null +++ b/ports/stm32f4/supervisor/serial.c @@ -0,0 +1,75 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017, 2018 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/mphal.h" +#include <string.h> +#include "supervisor/serial.h" +#include "stm32f4xx_hal.h" + +UART_HandleTypeDef huart2; + +void serial_init(void) { + huart2.Instance = USART2; + huart2.Init.BaudRate = 9600; + huart2.Init.WordLength = UART_WORDLENGTH_8B; + huart2.Init.StopBits = UART_STOPBITS_1; + huart2.Init.Parity = UART_PARITY_NONE; + huart2.Init.Mode = UART_MODE_TX_RX; + huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; + huart2.Init.OverSampling = UART_OVERSAMPLING_16; + if (HAL_UART_Init(&huart2) == HAL_OK) + { + //HAL_GPIO_WritePin(GPIOE, GPIO_PIN_1, GPIO_PIN_RESET); + } + //HAL_UART_Transmit(&huart2, (uint8_t*)"Serial On", 9, 5000); + //HAL_GPIO_WritePin(GPIOE, GPIO_PIN_2, GPIO_PIN_RESET); +} + +bool serial_connected(void) { + return true; +} + +char serial_read(void) { + uint8_t data; + HAL_UART_Receive(&huart2, &data, 1,5000); + return data; +} + +bool serial_bytes_available(void) { + return __HAL_UART_GET_FLAG(&huart2, UART_FLAG_RXNE); +} + +void serial_write(const char* text) { + serial_write_substring(text, strlen(text)); +} + +void serial_write_substring(const char *text, uint32_t len) { + if (len == 0) { + return; + } + HAL_UART_Transmit(&huart2, (uint8_t*)text, len, 5000); +} + diff --git a/ports/stm32f4/supervisor/usb.c b/ports/stm32f4/supervisor/usb.c new file mode 100644 index 000000000..913523523 --- /dev/null +++ b/ports/stm32f4/supervisor/usb.c @@ -0,0 +1,80 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 hathach for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include "tick.h" +#include "supervisor/usb.h" +#include "lib/utils/interrupt_char.h" +#include "lib/mp-readline/readline.h" +#include "stm32f4xx_hal.h" + +#define USB_OTGFS_VBUS_Pin GPIO_PIN_9 +#define USB_OTGFS_VBUS_GPIO_Port GPIOA +#define USB_OTGFS_ID_Pin GPIO_PIN_10 +#define USB_OTGFS_ID_GPIO_Port GPIOA +#define USB_OTGFS_DM_Pin GPIO_PIN_11 +#define USB_OTGFS_DM_GPIO_Port GPIOA +#define USB_OTGFS_DP_Pin GPIO_PIN_12 +#define USB_OTGFS_DP_GPIO_Port GPIOA + + +void init_usb_hardware(void) { + // HAL_GPIO_WritePin(GPIOE, GPIO_PIN_1, GPIO_PIN_RESET); //LED 2 + GPIO_InitTypeDef GPIO_InitStruct = {0}; + /**USB_OTG_FS GPIO Configuration + PA10 ------> USB_OTG_FS_ID + PA11 ------> USB_OTG_FS_DM + PA12 ------> USB_OTG_FS_DP + */ + GPIO_InitStruct.Pin = USB_OTGFS_VBUS_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_INPUT; + GPIO_InitStruct.Pull = GPIO_NOPULL; + HAL_GPIO_Init(USB_OTGFS_VBUS_GPIO_Port, &GPIO_InitStruct); + + GPIO_InitStruct.Pin = USB_OTGFS_DM_Pin|USB_OTGFS_DP_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + //TinyUSB suggestion + GPIO_InitStruct.Pin = USB_OTGFS_ID_Pin; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* Peripheral clock enable */ + __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); + + /* Peripheral interrupt init */ + HAL_NVIC_SetPriority(OTG_FS_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(OTG_FS_IRQn); + + //HAL_GPIO_WritePin(GPIOE, GPIO_PIN_2, GPIO_PIN_RESET); //LED 3 +} |