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b9d3f4803b07c218df78e9ac64deeb810b5124a3
USB4VC/firmware/ibmpc/Src/main.c
dekunukem b9d3f4803b added protocol capability read and write
2021-12-16 23:16:47 +00:00

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/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
** 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) 2021 STMicroelectronics
*
* 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.
*
* 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 "stm32f0xx_hal.h"
/* USER CODE BEGIN Includes */
#include "delay_us.h"
#include "shared.h"
#include "helpers.h"
#include "ps2kb.h"
#include <string.h>
#include "ps2mouse.h"
#include "mcp4451.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c2;
SPI_HandleTypeDef hspi1;
TIM_HandleTypeDef htim2;
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart3;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
const uint8_t board_id = 1;
const uint8_t version_major = 0;
const uint8_t version_minor = 1;
const uint8_t version_patch = 0;
uint8_t hw_revision;
uint8_t spi_transmit_buf[SPI_BUF_SIZE];
uint8_t backup_spi1_recv_buf[SPI_BUF_SIZE];
uint8_t spi_recv_buf[SPI_BUF_SIZE];
ps2kb_buf my_ps2kb_buf;
ps2mouse_buf my_ps2mouse_buf;
uint8_t ps2kb_host_cmd, ps2mouse_host_cmd, buffered_code, buffered_value, ps2mouse_bus_status, ps2kb_bus_status;
mouse_event latest_mouse_event;
ps2_outgoing_buf my_ps2_outbuf;
#define SERIAL_MOUSE_BUF_SIZE 3
uint8_t serial_mouse_output_buf[SERIAL_MOUSE_BUF_SIZE];
uint8_t serial_mouse_rts_response;
volatile uint8_t rts_active;
uint8_t spi_error_occured;
#define SUPPORTED_PROTOCOL_SIZE 5
uint8_t protocol_status[SUPPORTED_PROTOCOL_SIZE] =
{
PROTOCOL_AT_PS2_KB | 0x80,
PROTOCOL_XT_KB | 0x80,
PROTOCOL_PS2_MOUSE | 0x80,
PROTOCOL_MICROSOFT_SERIAL_MOUSE | 0x80,
PROTOCOL_GENERIC_GAMEPORT_GAMEPAD | 0x80,
};
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C2_Init(void);
static void MX_SPI1_Init(void);
static void MX_TIM2_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_USART3_UART_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE *f)
{
HAL_UART_Transmit(&huart1, (unsigned char *)&ch, 1, 100);
return ch;
}
int16_t byte_to_int16_t(uint8_t lsb, uint8_t msb)
{
return (int16_t)((msb << 8) | lsb);
}
/*
This is called when a new SPI packet is received
This is part of an ISR, so keep it short!
*/
void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
{
HAL_GPIO_WritePin(ACT_LED_GPIO_Port, ACT_LED_Pin, GPIO_PIN_SET);
memcpy(backup_spi1_recv_buf, spi_recv_buf, SPI_BUF_SIZE);
if(backup_spi1_recv_buf[0] != 0xde)
{
spi_error_occured = 1;
}
else if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_KEYBOARD_EVENT)
{
ps2kb_buf_add(&my_ps2kb_buf, backup_spi1_recv_buf[4], backup_spi1_recv_buf[6]);
}
else if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_MOUSE_EVENT)
{
latest_mouse_event.movement_x = byte_to_int16_t(backup_spi1_recv_buf[4], backup_spi1_recv_buf[5]);
latest_mouse_event.movement_y = -1 * byte_to_int16_t(backup_spi1_recv_buf[6], backup_spi1_recv_buf[7]);
latest_mouse_event.scroll_vertical = -1 * byte_to_int16_t(backup_spi1_recv_buf[8], backup_spi1_recv_buf[9]);
latest_mouse_event.button_left = backup_spi1_recv_buf[13];
latest_mouse_event.button_right = backup_spi1_recv_buf[14];
latest_mouse_event.button_middle = backup_spi1_recv_buf[15];
latest_mouse_event.button_side = backup_spi1_recv_buf[16];
latest_mouse_event.button_extra = backup_spi1_recv_buf[17];
ps2mouse_buf_add(&my_ps2mouse_buf, &latest_mouse_event);
}
else if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_REQ_ACK)
{
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_RESET);
}
else if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_INFO_REQUEST)
{
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
spi_transmit_buf[SPI_BUF_INDEX_MAGIC] = SPI_MISO_MAGIC;
spi_transmit_buf[SPI_BUF_INDEX_SEQNUM] = backup_spi1_recv_buf[SPI_BUF_INDEX_SEQNUM];
spi_transmit_buf[SPI_BUF_INDEX_MSG_TYPE] = SPI_MISO_MSG_TYPE_INFO_REQUEST;
spi_transmit_buf[3] = board_id;
spi_transmit_buf[4] = hw_revision;
spi_transmit_buf[5] = version_major;
spi_transmit_buf[6] = version_minor;
spi_transmit_buf[7] = version_patch;
for (int i = 0; i < SUPPORTED_PROTOCOL_SIZE; ++i)
spi_transmit_buf[8+i] = protocol_status[i];
}
else if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_SET_PROTOCOL)
{
for (int i = 3; i < SPI_BUF_SIZE; ++i)
{
if(backup_spi1_recv_buf[i] == 0)
break;
uint8_t* result = find_in_array_7bit(backup_spi1_recv_buf[i], protocol_status, protocol_status + SUPPORTED_PROTOCOL_SIZE - 1);
if(result != NULL)
{
*result = backup_spi1_recv_buf[i];
// handle protocol on/off setup here
}
}
}
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
HAL_GPIO_WritePin(ACT_LED_GPIO_Port, ACT_LED_Pin, GPIO_PIN_RESET);
}
void ps2mouse_update(void)
{
ps2mouse_bus_status = ps2mouse_get_bus_status();
if(ps2mouse_bus_status == PS2_BUS_INHIBIT)
{
ps2mouse_release_lines();
return;
}
else if(ps2mouse_bus_status == PS2_BUS_REQ_TO_SEND)
{
ps2mouse_read(&ps2mouse_host_cmd, 10);
ps2mouse_host_req_reply(ps2mouse_host_cmd, &latest_mouse_event);
return;
}
mouse_event* this_mouse_event = ps2mouse_buf_peek(&my_ps2mouse_buf);
if(this_mouse_event == NULL)
return;
if(ps2mouse_get_outgoing_data(this_mouse_event, &my_ps2_outbuf))
{
// if return value is not 0, no need to send out packets
ps2mouse_buf_pop(&my_ps2mouse_buf);
return;
}
// only pop the item if sending is complete
if(ps2mouse_send_update(&my_ps2_outbuf) == 0)
ps2mouse_buf_pop(&my_ps2mouse_buf);
}
void ps2kb_update(void)
{
ps2kb_bus_status = ps2kb_get_bus_status();
if(ps2kb_bus_status == PS2_BUS_INHIBIT)
{
ps2kb_release_lines();
return;
}
else if(ps2kb_bus_status == PS2_BUS_REQ_TO_SEND)
{
uint8_t ps2kb_leds = 0xff;
ps2kb_read(&ps2kb_host_cmd, 10);
keyboard_reply(ps2kb_host_cmd, &ps2kb_leds);
if(ps2kb_leds != 0xff)
{
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
spi_transmit_buf[SPI_BUF_INDEX_MAGIC] = SPI_MISO_MAGIC;
spi_transmit_buf[SPI_BUF_INDEX_SEQNUM] = backup_spi1_recv_buf[SPI_BUF_INDEX_SEQNUM];
spi_transmit_buf[SPI_BUF_INDEX_MSG_TYPE] = SPI_MISO_MSG_TYPE_KB_LED_REQUEST;
if(ps2kb_leds & 0x1) // scroll lock LED
spi_transmit_buf[3] = 1;
if(ps2kb_leds & 0x2) // num lock LED
spi_transmit_buf[4] = 1;
if(ps2kb_leds & 0x4) // caps lock LED
spi_transmit_buf[5] = 1;
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_SET);
}
}
if(ps2kb_buf_peek(&my_ps2kb_buf, &buffered_code, &buffered_value) == 0)
{
ps2kb_press_key(buffered_code, buffered_value);
ps2kb_buf_pop(&my_ps2kb_buf);
}
}
// GPIO external interrupt callback
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == UART3_RTS_Pin)
rts_active = 1;
}
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
;
}
// https://everything2.com/title/Mouse+protocol
void serial_mouse_update(void)
{
if(rts_active)
{
serial_mouse_rts_response = 0x4d; // 0x4d = 'M'
HAL_UART_Transmit_IT(&huart3, &serial_mouse_rts_response, 1);
rts_active = 0;
}
mouse_event* this_mouse_event = ps2mouse_buf_peek(&my_ps2mouse_buf);
if(this_mouse_event == NULL)
return;
memset(serial_mouse_output_buf, 0, SERIAL_MOUSE_BUF_SIZE);
serial_mouse_output_buf[0] = 0xc0;
if(this_mouse_event->button_left)
serial_mouse_output_buf[0] |= 0x20;
if(this_mouse_event->button_right)
serial_mouse_output_buf[0] |= 0x10;
uint8_t serial_y = -1 * this_mouse_event->movement_y;
if(serial_y & 0x80)
serial_mouse_output_buf[0] |= 0x8;
if(serial_y & 0x40)
serial_mouse_output_buf[0] |= 0x4;
if(this_mouse_event->movement_x & 0x80)
serial_mouse_output_buf[0] |= 0x2;
if(this_mouse_event->movement_x & 0x40)
serial_mouse_output_buf[0] |= 0x1;
serial_mouse_output_buf[1] = 0x3f & this_mouse_event->movement_x;
serial_mouse_output_buf[2] = 0x3f & serial_y;
ps2mouse_buf_pop(&my_ps2mouse_buf);
HAL_UART_Transmit_IT(&huart3, serial_mouse_output_buf, 3);
}
void spi_error_dump_reboot(void)
{
printf("SPI ERROR\n");
for (int i = 0; i < SPI_BUF_SIZE; ++i)
printf("%d ", backup_spi1_recv_buf[i]);
printf("\nrebooting...\n");
for (int i = 0; i < 100; ++i)
{
HAL_GPIO_TogglePin(ERR_LED_GPIO_Port, ERR_LED_Pin);
HAL_Delay(100);
}
NVIC_SystemReset();
}
const char boot_message[] = "USB4VC Protocol Board\nIBM PC Compatible\ndekuNukem 2022";
/* USER CODE END 0 */
/**
* @brief The application entry point.
*
* @retval None
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_I2C2_Init();
MX_SPI1_Init();
MX_TIM2_Init();
MX_USART1_UART_Init();
MX_USART3_UART_Init();
/* USER CODE BEGIN 2 */
delay_us_init(&htim2);
ps2kb_init(PS2KB_CLK_GPIO_Port, PS2KB_CLK_Pin, PS2KB_DATA_GPIO_Port, PS2KB_DATA_Pin);
ps2mouse_init(PS2MOUSE_CLK_GPIO_Port, PS2MOUSE_CLK_Pin, PS2MOUSE_DATA_GPIO_Port, PS2MOUSE_DATA_Pin);
ps2kb_buf_init(&my_ps2kb_buf, 16);
ps2mouse_buf_init(&my_ps2mouse_buf, 16);
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
mcp4451_reset();
if(mcp4451_is_available() == 0)
hw_revision = 1;
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
printf("%s\nrev%d v%d.%d.%d\n", boot_message, hw_revision, version_major, version_minor, version_patch);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
// DONT FORGET
// huart3.Init.WordLength = UART_WORDLENGTH_7B;
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
ps2mouse_update();
// serial_mouse_update();
ps2kb_update();
if(spi_error_occured)
spi_error_dump_reboot();
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_SYSCLK;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* I2C2 init function */
static void MX_I2C2_Init(void)
{
hi2c2.Instance = I2C2;
hi2c2.Init.Timing = 0x20303E5D;
hi2c2.Init.OwnAddress1 = 0;
hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c2.Init.OwnAddress2 = 0;
hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure Analogue filter
*/
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure Digital filter
*/
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* SPI1 init function */
static void MX_SPI1_Init(void)
{
/* SPI1 parameter configuration*/
hspi1.Instance = SPI1;
hspi1.Init.Mode = SPI_MODE_SLAVE;
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi1.Init.NSS = SPI_NSS_HARD_INPUT;
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi1.Init.CRCPolynomial = 7;
hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
if (HAL_SPI_Init(&hspi1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* TIM2 init function */
static void MX_TIM2_Init(void)
{
TIM_ClockConfigTypeDef sClockSourceConfig;
TIM_MasterConfigTypeDef sMasterConfig;
htim2.Instance = TIM2;
htim2.Init.Prescaler = 47;
htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
htim2.Init.Period = 4294967295;
htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* USART1 init function */
static void MX_USART1_UART_Init(void)
{
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
huart1.Init.WordLength = UART_WORDLENGTH_8B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_UART_Init(&huart1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* USART3 init function */
static void MX_USART3_UART_Init(void)
{
huart3.Instance = USART3;
huart3.Init.BaudRate = 1200;
huart3.Init.WordLength = UART_WORDLENGTH_7B;
huart3.Init.StopBits = UART_STOPBITS_1;
huart3.Init.Parity = UART_PARITY_NONE;
huart3.Init.Mode = UART_MODE_TX_RX;
huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart3.Init.OverSampling = UART_OVERSAMPLING_16;
huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT|UART_ADVFEATURE_DMADISABLEONERROR_INIT;
huart3.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
huart3.AdvancedInit.DMADisableonRxError = UART_ADVFEATURE_DMA_DISABLEONRXERROR;
if (HAL_UART_Init(&huart3) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOC, GAMEPAD_B4_Pin|GAMEPAD_B2_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOF, GAMEPAD_B3_Pin|GAMEPAD_B1_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, POT_RESET_Pin|PS2MOUSE_DATA_Pin|PS2MOUSE_CLK_Pin|PS2KB_DATA_Pin
|PS2KB_CLK_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(ACT_LED_GPIO_Port, ACT_LED_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(ERR_LED_GPIO_Port, ERR_LED_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin : SLAVE_REQ_Pin */
GPIO_InitStruct.Pin = SLAVE_REQ_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(SLAVE_REQ_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : GAMEPAD_B4_Pin GAMEPAD_B2_Pin */
GPIO_InitStruct.Pin = GAMEPAD_B4_Pin|GAMEPAD_B2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/*Configure GPIO pins : GAMEPAD_B3_Pin GAMEPAD_B1_Pin */
GPIO_InitStruct.Pin = GAMEPAD_B3_Pin|GAMEPAD_B1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
/*Configure GPIO pin : UART3_RTS_Pin */
GPIO_InitStruct.Pin = UART3_RTS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(UART3_RTS_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : POT_RESET_Pin ERR_LED_Pin */
GPIO_InitStruct.Pin = POT_RESET_Pin|ERR_LED_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/*Configure GPIO pin : ACT_LED_Pin */
GPIO_InitStruct.Pin = ACT_LED_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(ACT_LED_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : PS2MOUSE_DATA_Pin PS2MOUSE_CLK_Pin PS2KB_DATA_Pin PS2KB_CLK_Pin */
GPIO_InitStruct.Pin = PS2MOUSE_DATA_Pin|PS2MOUSE_CLK_Pin|PS2KB_DATA_Pin|PS2KB_CLK_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI0_1_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(EXTI0_1_IRQn);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param file: The file name as string.
* @param line: The line in file as a number.
* @retval None
*/
void _Error_Handler(char *file, int line)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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