summaryrefslogtreecommitdiff
path: root/src/rtc-test/src
diff options
context:
space:
mode:
Diffstat (limited to 'src/rtc-test/src')
-rw-r--r--src/rtc-test/src/main.c184
-rw-r--r--src/rtc-test/src/stm-uart.c109
-rw-r--r--src/rtc-test/src/stm32f4xx_hal_msp.c126
-rw-r--r--src/rtc-test/src/stm32f4xx_it.c54
-rw-r--r--src/rtc-test/src/stm_init.c199
5 files changed, 672 insertions, 0 deletions
diff --git a/src/rtc-test/src/main.c b/src/rtc-test/src/main.c
new file mode 100644
index 0000000..54730f6
--- /dev/null
+++ b/src/rtc-test/src/main.c
@@ -0,0 +1,184 @@
+/*
+ * Test code for the RTC.
+ *
+ * Dumps the SRAM and EEPROM on startup, then enables the oscillator.
+ * After that, the clock registers are read once a second - the first byte
+ * is seconds (and some control bits, so dont expect 0..59).
+ *
+ */
+#include <string.h>
+
+#include "stm_init.h"
+#include "stm-uart.h"
+
+#define DELAY() HAL_Delay(1000)
+
+#define RTC_ADDR 0xdf
+#define EEPROM_ADDR 0xaf
+
+#define RTC_ADDR_W RTC_ADDR ^ 1 /* turn off LSB to write */
+#define EEPROM_ADDR_W EEPROM_ADDR ^ 1 /* turn off LSB to write */
+
+#define SRAM_TOTAL_BYTES 0x5f
+#define EEPROM_TOTAL_BYTES 0x7f
+
+#define EEPROM_EUI48_OFFSET 0xf0
+#define EEPROM_EUI48_BYTES 8
+
+#define TIME_OFFSET 0x0 /* Time is at offest 0 in SRAM */
+#define TIME_BYTES 8
+
+
+uint8_t buf[1024];
+uint32_t i;
+
+
+uint32_t device_ready(uint16_t i2c_addr)
+{
+ uart_send_string("Checking readiness of 0x");
+ uart_send_hexbyte(i2c_addr);
+ uart_send_string("...");
+
+ i = HAL_I2C_IsDeviceReady (&hi2c2, i2c_addr, 10, 1000);
+ if (i == HAL_OK) {
+ uart_send_string("OK\r\n");
+ return 1;
+ }
+
+ uart_send_string("Not ready (");
+ uart_send_integer(i, 0);
+ uart_send_string(")\r\n");
+
+ return 0;
+}
+
+
+void send_byte(const uint16_t i2c_addr, const uint8_t value)
+{
+ uint8_t ch = value;
+
+ uart_send_string ("Sending ");
+ uart_send_hexbyte (ch);
+ uart_send_string (" to 0x");
+ uart_send_hexbyte(i2c_addr);
+ uart_send_string("...");
+
+ while (HAL_I2C_Master_Transmit (&hi2c2, i2c_addr, &ch, 1, 1000) != HAL_OK) {
+ if (HAL_I2C_GetError (&hi2c2) != HAL_I2C_ERROR_AF) {
+ uart_send_string("Timeout\r\n");
+ Error_Handler();
+ }
+ }
+
+ uart_send_string("OK\r\n");
+}
+
+void read_bytes (uint8_t *buf, const uint16_t i2c_addr, const uint8_t len)
+{
+ uart_send_string ("Reading ");
+ uart_send_integer (len, 0);
+ uart_send_string (" bytes from 0x");
+ uart_send_hexbyte(i2c_addr);
+ uart_send_string("...");
+
+ while (HAL_I2C_Master_Receive (&hi2c2, i2c_addr, buf, len, 1000) != HAL_OK) {
+ if (HAL_I2C_GetError (&hi2c2) != HAL_I2C_ERROR_AF) {
+ uart_send_string("Timeout\r\n");
+ Error_Handler();
+ }
+ }
+
+ uart_send_string("OK\r\n");
+}
+
+void request_data(uint8_t *buf, const uint16_t i2c_addr, const uint8_t offset, const uint8_t bytes)
+{
+ send_byte(i2c_addr, offset);
+ read_bytes(buf, i2c_addr, bytes);
+}
+
+void print_time()
+{
+ request_data(buf, RTC_ADDR, TIME_OFFSET, TIME_BYTES);
+
+ for (i = 0; i < TIME_BYTES; i++) {
+ uart_send_hexbyte(buf[i]);
+ uart_send_string(" ");
+ }
+}
+
+void dump_sram()
+{
+ request_data(buf, RTC_ADDR, 0x0, SRAM_TOTAL_BYTES);
+
+ uart_send_string("SRAM contents:\r\n");
+ uart_send_hexdump(buf, 0, SRAM_TOTAL_BYTES);
+
+ uart_send_string("\r\n");
+}
+
+void dump_eeprom()
+{
+ request_data(buf, EEPROM_ADDR, 0x0, EEPROM_TOTAL_BYTES);
+
+ uart_send_string("EEPROM contents:\r\n");
+ uart_send_hexdump(buf, 0, EEPROM_TOTAL_BYTES);
+ uart_send_string("\r\n");
+
+ request_data(buf, EEPROM_ADDR, EEPROM_EUI48_OFFSET, EEPROM_EUI48_BYTES);
+ uart_send_string("EEPROM EUI-48:\r\n");
+ uart_send_hexdump(buf, EEPROM_EUI48_OFFSET, EEPROM_EUI48_BYTES);
+
+ uart_send_string("\r\n");
+}
+
+void enable_oscillator()
+{
+ uart_send_string("Enabling oscillator...\r\n");
+
+ buf[0] = 0; /* Offset of RTCSEC */
+ buf[1] = 1 << 7; /* datasheet REGISTERS 5-1, bit 7 = ST (start oscillator) */
+
+ while (HAL_I2C_Master_Transmit (&hi2c2, RTC_ADDR_W, buf, 2, 1000) != HAL_OK) {
+ if (HAL_I2C_GetError (&hi2c2) != HAL_I2C_ERROR_AF) {
+ uart_send_string("Timeout\r\n");
+ Error_Handler();
+ }
+ }
+
+ uart_send_string("OK\r\n");
+}
+
+
+int
+main()
+{
+ stm_init();
+ uart_send_string("\r\n\r\n*** Init done\r\n");
+
+ dump_sram();
+ dump_eeprom();
+
+ enable_oscillator();
+
+ while (1)
+ {
+ memset(buf, 0, sizeof(buf));
+
+ if (! device_ready(RTC_ADDR)) {
+ goto fail;
+ }
+
+ print_time(buf);
+
+ uart_send_string("\r\n\r\n");
+
+ HAL_GPIO_TogglePin(LED_PORT, LED_GREEN);
+ DELAY();
+ continue;
+
+ fail:
+ HAL_GPIO_TogglePin(LED_PORT, LED_RED);
+ DELAY();
+ }
+}
diff --git a/src/rtc-test/src/stm-uart.c b/src/rtc-test/src/stm-uart.c
new file mode 100644
index 0000000..c98a889
--- /dev/null
+++ b/src/rtc-test/src/stm-uart.c
@@ -0,0 +1,109 @@
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+#include "stm-uart.h"
+
+#include <string.h>
+
+extern void Error_Handler();
+
+UART_HandleTypeDef huart2;
+
+
+/* Private variables ---------------------------------------------------------*/
+
+/* Private function prototypes -----------------------------------------------*/
+
+inline void uart_putc(uint8_t *ch) {
+ HAL_UART_Transmit(&huart2, ch, 1, 0x1);
+}
+
+void uart_send_binary(uint32_t num, uint8_t bits)
+{
+ uint32_t i;
+ unsigned char ch;
+
+ bits--; /* bits 4 should give i = 1000, not 10000 */
+
+ i = 1 << bits;
+ while (i) {
+ ch = '0';
+ if (num & i) {
+ ch = '1';
+ }
+
+ uart_putc(&ch);
+ i = i >> 1;
+ }
+}
+
+void uart_send_string(char *s)
+{
+ HAL_UART_Transmit(&huart2, (uint8_t *) s, strlen(s), 0x1);
+}
+
+void uart_send_integer(uint32_t data, uint32_t mag) {
+ uint32_t i, t;
+ unsigned char ch;
+
+ if (! mag) {
+ /* Find magnitude */
+ if (data < 10) {
+ ch = '0' + data;
+ HAL_UART_Transmit(&huart2, (uint8_t *) &ch, 1, 0x1);
+ return;
+ }
+
+ for (mag = 10; mag < data; mag = i) {
+ i = mag * 10;
+ if (i > data || i < mag)
+ break;
+ }
+ }
+ /* mag is now 10 if data is 45, and 1000 if data is 1009 */
+ for (i = mag; i; i /= 10) {
+ t = (data / i);
+ ch = '0' + t;
+ HAL_UART_Transmit(&huart2, (uint8_t *) &ch, 1, 0x1);
+ data -= (t * i);
+ }
+}
+
+void uart_send_hexbyte(const uint32_t data)
+{
+ int i, j = 8;
+ uint8_t ch;
+
+ while (j) {
+ j -= 4;
+ i = (data >> j) & 0x0f;
+ if (i > 9) {
+ ch = 'a' + i - 10;
+ uart_putc(&ch);
+ } else {
+ ch = '0' + i;
+ uart_putc(&ch);
+ }
+ }
+}
+
+void uart_send_hexdump(const uint8_t *buf, const uint8_t start_offset, const uint8_t end_offset)
+{
+ uint32_t i;
+
+ uart_send_string("00 -- ");
+
+ for (i = 0; i <= end_offset; i++) {
+ if (i && (! (i % 16))) {
+ uart_send_string("\r\n");
+
+ if (i != end_offset) {
+ /* Output new offset unless the last byte is reached */
+ uart_send_hexbyte(i);
+ uart_send_string(" -- ");
+ }
+ }
+
+ uart_send_hexbyte(*(buf + i));
+ uart_send_string(" ");
+ }
+}
diff --git a/src/rtc-test/src/stm32f4xx_hal_msp.c b/src/rtc-test/src/stm32f4xx_hal_msp.c
new file mode 100644
index 0000000..5d07889
--- /dev/null
+++ b/src/rtc-test/src/stm32f4xx_hal_msp.c
@@ -0,0 +1,126 @@
+/**
+ ******************************************************************************
+ * File Name : stm32f4xx_hal_msp.c
+ * Date : 08/07/2015 17:46:00
+ * Description : This file provides code for the MSP Initialization
+ * and de-Initialization codes.
+ ******************************************************************************
+ *
+ * COPYRIGHT(c) 2015 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 "stm32f4xx_hal.h"
+#include "stm_init.h"
+
+void HAL_UART_MspInit(UART_HandleTypeDef* huart)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+ int i;
+
+ if (huart->Instance == USART2) {
+ /* Peripheral clock enable */
+ __USART2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_3;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ for (i = 0; i < 10; i++) {
+ HAL_GPIO_TogglePin(LED_PORT, LED_RED);
+ HAL_Delay(50);
+ }
+ }
+
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
+{
+ if (huart->Instance == USART2) {
+ /* Peripheral clock disable */
+ __USART2_CLK_DISABLE();
+
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2 | GPIO_PIN_3);
+ }
+}
+
+void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct;
+ if (hi2c->Instance == I2C2) {
+ /**I2C2 GPIO Configuration
+ //PF0 ------> I2C2_SDA
+ //PF1 ------> I2C2_SCL
+
+ PH5 ------> I2C2_SDA
+ PH4 ------> I2C2_SCL
+ */
+
+ __GPIOH_CLK_ENABLE();
+
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
+ HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
+
+ /* Peripheral clock enable */
+ __I2C2_CLK_ENABLE();
+ }
+
+}
+
+void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
+{
+
+ if(hi2c->Instance==I2C2) {
+ /* Peripheral clock disable */
+ __I2C2_CLK_DISABLE();
+
+ /**I2C2 GPIO Configuration
+ PF0 ------> I2C2_SDA
+ PF1 ------> I2C2_SCL
+ */
+ HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0|GPIO_PIN_1);
+ }
+}
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/src/rtc-test/src/stm32f4xx_it.c b/src/rtc-test/src/stm32f4xx_it.c
new file mode 100644
index 0000000..b816d0d
--- /dev/null
+++ b/src/rtc-test/src/stm32f4xx_it.c
@@ -0,0 +1,54 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_it.c
+ * @date 08/07/2015 17:45:59
+ * @brief Interrupt Service Routines.
+ ******************************************************************************
+ *
+ * COPYRIGHT(c) 2015 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 "stm32f4xx_hal.h"
+#include "stm32f4xx.h"
+#include "stm32f4xx_it.h"
+
+/* External variables --------------------------------------------------------*/
+
+/******************************************************************************/
+/* Cortex-M4 Processor Interruption and Exception Handlers */
+/******************************************************************************/
+
+/**
+* @brief This function handles System tick timer.
+*/
+void SysTick_Handler(void)
+{
+ HAL_IncTick();
+ HAL_SYSTICK_IRQHandler();
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/src/rtc-test/src/stm_init.c b/src/rtc-test/src/stm_init.c
new file mode 100644
index 0000000..9da39f8
--- /dev/null
+++ b/src/rtc-test/src/stm_init.c
@@ -0,0 +1,199 @@
+/**
+ ******************************************************************************
+ * File Name : main.c
+ * Date : 08/07/2015 17:46:00
+ * Description : Main program body
+ ******************************************************************************
+ *
+ * COPYRIGHT(c) 2015 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 "stm_init.h"
+#include "stm-uart.h"
+#include "stm32f4xx_hal.h"
+
+//UART_HandleTypeDef huart2;
+I2C_HandleTypeDef hi2c2;
+
+/* Private variables ---------------------------------------------------------*/
+static GPIO_InitTypeDef GPIO_InitStruct;
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+static void MX_GPIO_Init(void);
+static void MX_I2C2_Init(void);
+static void MX_USART2_UART_Init(void);
+
+void stm_init(void)
+{
+
+ /* MCU Configuration----------------------------------------------------------*/
+
+ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+ HAL_Init();
+
+ /* Configure the system clock */
+ SystemClock_Config();
+
+ /* System interrupt init*/
+ /* Sets the priority grouping field */
+ HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
+ HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+
+ /* Initialize all configured peripherals */
+ MX_GPIO_Init();
+ MX_I2C2_Init();
+ MX_USART2_UART_Init();
+}
+
+/** System Clock Configuration
+ *
+ * HSE crystal at 25 MHz, end result is 180 MHz clock.
+ */
+void SystemClock_Config(void)
+{
+ RCC_ClkInitTypeDef RCC_ClkInitStruct;
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+
+ __PWR_CLK_ENABLE();
+
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLM = 25;
+ RCC_OscInitStruct.PLL.PLLN = 360;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = 4;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ HAL_PWREx_ActivateOverDrive();
+
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
+}
+
+/* I2C2 init function */
+void MX_I2C2_Init(void)
+{
+
+ hi2c2.Instance = I2C2;
+ hi2c2.Init.ClockSpeed = 10000;
+ hi2c2.Init.DutyCycle = I2C_DUTYCYCLE_2;
+ hi2c2.Init.OwnAddress1 = 0; /* Will operate as Master */
+ hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
+ hi2c2.Init.OwnAddress2 = 0;
+ hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
+ hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
+
+ if (HAL_I2C_Init(&hi2c2) != HAL_OK) {
+ Error_Handler();
+ }
+
+ //HAL_I2C_Init(&hi2c2);
+}
+
+/* USART2 init function */
+void MX_USART2_UART_Init(void)
+{
+ huart2.Instance = USART2;
+ huart2.Init.BaudRate = USART2_BAUD_RATE;
+ 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) {
+ /* Initialization Error */
+ Error_Handler();
+ }
+}
+
+/* LED init function */
+void MX_GPIO_Init(void)
+{
+ /* GPIO Ports Clock Enable */
+ __GPIOJ_CLK_ENABLE();
+
+ /* Configure LED GPIO pins PJ1==red, PJ2==yellow, PJ3==green, PJ4==blue */
+ GPIO_InitStruct.Pin = LED_RED | LED_YELLOW | LED_GREEN | LED_BLUE;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+ HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
+}
+
+/**
+ * @brief This function is executed in case of error occurrence.
+ * @param None
+ * @retval None
+ */
+void Error_Handler(void)
+{
+ HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
+ while (1) { ; }
+}
+
+#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,
+ ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+ /* USER CODE END 6 */
+
+}
+
+#endif
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 07:52:36 +0000