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example.c
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example.c
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/* USER CODE BEGIN Header */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
static void MX_TIM1_Init(void);
static void MX_I2C1_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
#include "../lib/Nokia5110_LCD.h"
#include "../lib/Encoder/RotaryEncoder.h"
#include "../lib/DS1307/DS1307.h"
int main(void) {
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
SystemClock_Config();
MX_GPIO_Init();
MX_SPI1_Init();
MX_TIM1_Init();
MX_I2C1_Init();
initN5110(SPI1);
I2C i2C = initI2C(I2C1, I2C_ADDRESSING_MODE_7BIT, 10); // set low timeout for faster search
printStringN5110("Searching...");
int i;
I2CStatus status;
for (i = 0; i < 255; i++) { // search available module
status = isDeviceReady(&i2C, i);
if (status == I2C_OK) { // module is found
break;
}
}
clearN5110();
if (status == I2C_OK) {
printStringN5110("Module found!");
goToXYN5110(0, 1);
printfStringN5110("Address: 0x%.2X", i);
} else {
printStringN5110("Not found!");
}
while (1) {
}
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void) {
LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
while (LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2) {
}
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE2);
LL_RCC_HSI_SetCalibTrimming(16);
LL_RCC_HSI_Enable();
/* Wait till HSI is ready */
while (LL_RCC_HSI_IsReady() != 1) {
}
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, LL_RCC_PLLM_DIV_16, 336, LL_RCC_PLLP_DIV_4);
LL_RCC_PLL_Enable();
/* Wait till PLL is ready */
while (LL_RCC_PLL_IsReady() != 1) {
}
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
/* Wait till System clock is ready */
while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL) {
}
LL_Init1msTick(84000000);
LL_SetSystemCoreClock(84000000);
LL_RCC_SetTIMPrescaler(LL_RCC_TIM_PRESCALER_TWICE);
}
/**
* @brief I2C1 Initialization Function
* @param None
* @retval None
*/
static void MX_I2C1_Init(void) {
/* USER CODE BEGIN I2C1_Init 0 */
/* USER CODE END I2C1_Init 0 */
LL_I2C_InitTypeDef I2C_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_6 | LL_GPIO_PIN_7;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1);
/* USER CODE BEGIN I2C1_Init 1 */
// LL_I2C_EnableReset(I2C1);
// LL_mDelay(10);
// LL_I2C_DisableReset(I2C1);
// LL_mDelay(10);
/* USER CODE END I2C1_Init 1 */
/** I2C Initialization
*/
LL_I2C_DisableOwnAddress2(I2C1);
LL_I2C_DisableGeneralCall(I2C1);
LL_I2C_EnableClockStretching(I2C1);
I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
I2C_InitStruct.ClockSpeed = 100000;
I2C_InitStruct.DutyCycle = LL_I2C_DUTYCYCLE_2;
I2C_InitStruct.OwnAddress1 = 0;
I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT;
LL_I2C_Init(I2C1, &I2C_InitStruct);
LL_I2C_SetOwnAddress2(I2C1, 0);
/* USER CODE BEGIN I2C1_Init 2 */
/* USER CODE END I2C1_Init 2 */
}
/**
* @brief SPI1 Initialization Function
* @param None
* @retval None
*/
static void MX_SPI1_Init(void) {
/* USER CODE BEGIN SPI1_Init 0 */
/* USER CODE END SPI1_Init 0 */
LL_SPI_InitTypeDef SPI_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/**SPI1 GPIO Configuration
PA5 ------> SPI1_SCK
PA6 ------> SPI1_MISO
PA7 ------> SPI1_MOSI
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_5 | LL_GPIO_PIN_6 | LL_GPIO_PIN_7;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN SPI1_Init 1 */
/* USER CODE END SPI1_Init 1 */
/* SPI1 parameter configuration*/
SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV8;
SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
SPI_InitStruct.CRCPoly = 10;
LL_SPI_Init(SPI1, &SPI_InitStruct);
LL_SPI_SetStandard(SPI1, LL_SPI_PROTOCOL_MOTOROLA);
/* USER CODE BEGIN SPI1_Init 2 */
/* USER CODE END SPI1_Init 2 */
}
/**
* @brief TIM1 Initialization Function
* @param None
* @retval None
*/
static void MX_TIM1_Init(void) {
/* USER CODE BEGIN TIM1_Init 0 */
/* USER CODE END TIM1_Init 0 */
LL_TIM_InitTypeDef TIM_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* Peripheral clock enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM1);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/**TIM1 GPIO Configuration
PA8 ------> TIM1_CH1
PA9 ------> TIM1_CH2
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_8 | LL_GPIO_PIN_9;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_DOWN;
GPIO_InitStruct.Alternate = LL_GPIO_AF_1;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN TIM1_Init 1 */
/* USER CODE END TIM1_Init 1 */
LL_TIM_SetEncoderMode(TIM1, LL_TIM_ENCODERMODE_X2_TI1);
LL_TIM_IC_SetActiveInput(TIM1, LL_TIM_CHANNEL_CH1, LL_TIM_ACTIVEINPUT_DIRECTTI);
LL_TIM_IC_SetPrescaler(TIM1, LL_TIM_CHANNEL_CH1, LL_TIM_ICPSC_DIV1);
LL_TIM_IC_SetFilter(TIM1, LL_TIM_CHANNEL_CH1, LL_TIM_IC_FILTER_FDIV1);
LL_TIM_IC_SetPolarity(TIM1, LL_TIM_CHANNEL_CH1, LL_TIM_IC_POLARITY_RISING);
LL_TIM_IC_SetActiveInput(TIM1, LL_TIM_CHANNEL_CH2, LL_TIM_ACTIVEINPUT_DIRECTTI);
LL_TIM_IC_SetPrescaler(TIM1, LL_TIM_CHANNEL_CH2, LL_TIM_ICPSC_DIV1);
LL_TIM_IC_SetFilter(TIM1, LL_TIM_CHANNEL_CH2, LL_TIM_IC_FILTER_FDIV1);
LL_TIM_IC_SetPolarity(TIM1, LL_TIM_CHANNEL_CH2, LL_TIM_IC_POLARITY_RISING);
TIM_InitStruct.Prescaler = 0;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.Autoreload = 65535;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
TIM_InitStruct.RepetitionCounter = 0;
LL_TIM_Init(TIM1, &TIM_InitStruct);
LL_TIM_DisableARRPreload(TIM1);
LL_TIM_SetTriggerOutput(TIM1, LL_TIM_TRGO_RESET);
LL_TIM_DisableMasterSlaveMode(TIM1);
/* USER CODE BEGIN TIM1_Init 2 */
/* USER CODE END TIM1_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void) {
LL_EXTI_InitTypeDef EXTI_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
/**/
LL_GPIO_ResetOutputPin(GPIOC, N5110_RESET_Pin | N5110_DC_Pin);
/**/
LL_GPIO_ResetOutputPin(CHIP_SELECT_GPIO_Port, CHIP_SELECT_Pin);
/**/
LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTC, LL_SYSCFG_EXTI_LINE13);
/**/
EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_13;
EXTI_InitStruct.LineCommand = ENABLE;
EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
LL_EXTI_Init(&EXTI_InitStruct);
/**/
LL_GPIO_SetPinPull(B1_GPIO_Port, B1_Pin, LL_GPIO_PULL_NO);
/**/
LL_GPIO_SetPinMode(B1_GPIO_Port, B1_Pin, LL_GPIO_MODE_INPUT);
/**/
GPIO_InitStruct.Pin = N5110_RESET_Pin | N5110_DC_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
LL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/**/
GPIO_InitStruct.Pin = CHIP_SELECT_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_MEDIUM;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
LL_GPIO_Init(CHIP_SELECT_GPIO_Port, &GPIO_InitStruct);
/**/
GPIO_InitStruct.Pin = ENCODER_BUTTON_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
LL_GPIO_Init(ENCODER_BUTTON_GPIO_Port, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void) {
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
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,
ex: 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****/