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9de7e32ab675238a16985f5a4f683a57e8ac06ba
USB4VC/companion_boards/spitestf042/Src/main.c
dekunukem 9de7e32ab6 ps2 mouse tested working
2021-10-30 16:19:55 +01:00

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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"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
SPI_HandleTypeDef hspi1;
TIM_HandleTypeDef htim2;
UART_HandleTypeDef huart1;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
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, ps2kb_leds, ps2mouse_host_cmd, buffered_code, buffered_value;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_SPI1_Init(void);
static void MX_TIM2_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);
}
uint16_t byte_to_uint16_t(uint8_t lsb, uint8_t msb)
{
return (uint16_t)((msb << 8) | lsb);
}
void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
{
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
memcpy(backup_spi1_recv_buf, spi_recv_buf, SPI_BUF_SIZE);
if(backup_spi1_recv_buf[0] != 0xde)
{
printf("WRONG");
while(1)
;
}
if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_KB_EVENT)
ps2kb_buf_add(&my_ps2kb_buf, backup_spi1_recv_buf[6], backup_spi1_recv_buf[8]);
if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_MOUSE_EVENT)
{
mouse_event this_event;
this_event.movement_x = byte_to_int16_t(backup_spi1_recv_buf[4], backup_spi1_recv_buf[5]);
this_event.movement_y = -1 * byte_to_int16_t(backup_spi1_recv_buf[6], backup_spi1_recv_buf[7]);
this_event.scroll_vertical = -1 * byte_to_int16_t(backup_spi1_recv_buf[8], backup_spi1_recv_buf[9]);
this_event.button_left = backup_spi1_recv_buf[13];
this_event.button_right = backup_spi1_recv_buf[14];
this_event.button_middle = backup_spi1_recv_buf[15];
this_event.button_side = backup_spi1_recv_buf[16];
this_event.button_extra = backup_spi1_recv_buf[17];
ps2mouse_buf_add(&my_ps2mouse_buf, &this_event);
}
if(backup_spi1_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_REQ_ACK)
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_RESET);
}
/* 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_USART1_UART_Init();
MX_SPI1_Init();
MX_TIM2_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);
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
printf("hello world\n");
mouse_event* this_mouse_event;
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(ps2mouse_get_bus_status() == PS2_BUS_REQ_TO_SEND)
{
ps2mouse_read(&ps2mouse_host_cmd, 10);
// printf("mouse req: %d", ps2mouse_host_cmd);
ps2mouse_host_req_reply(ps2mouse_host_cmd);
}
this_mouse_event = ps2mouse_buf_get(&my_ps2mouse_buf);
if(this_mouse_event != NULL)
{
ps2mouse_send_update(this_mouse_event);
}
// if(ps2kb_get_bus_status() == PS2_BUS_REQ_TO_SEND)
// {
// 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_KB_LED_REQ;
// spi_transmit_buf[3] = ps2kb_leds;
// HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_SET);
// }
// }
// if(ps2kb_buf_get(&my_ps2kb_buf, &buffered_code, &buffered_value) == 0)
// ps2kb_press_key(buffered_code, buffered_value);
}
/* 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_PCLK1;
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);
}
/* 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__);
}
}
/** 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_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOF, PS2MOUSE_CLK_Pin|PS2MOUSE_DATA_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, PS2KB_CLK_Pin|PS2KB_DATA_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_RESET);
/*Configure GPIO pins : PS2MOUSE_CLK_Pin PS2MOUSE_DATA_Pin */
GPIO_InitStruct.Pin = PS2MOUSE_CLK_Pin|PS2MOUSE_DATA_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 pins : PS2KB_CLK_Pin PS2KB_DATA_Pin */
GPIO_InitStruct.Pin = PS2KB_CLK_Pin|PS2KB_DATA_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*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);
}
/* 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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