2023-03-02 11:01:51 +08:00

150 lines
3.6 KiB
C

#include "py32f0xx_hal_dma.h"
#include "py32f0xx_hal_i2c.h"
#include "py32f0xx_bsp_printf.h"
#include "ssd1306.h"
#define I2C_ADDRESS 0xA0 /* host address */
#define I2C_STATE_READY 0
#define I2C_STATE_BUSY_TX 1
#define I2C_STATE_BUSY_RX 2
I2C_HandleTypeDef I2cHandle;
void APP_ErrorHandler(void);
static void APP_I2C_Config(void);
int main(void)
{
int y1, y2;
HAL_Init();
BSP_USART_Config();
printf("SystemClk:%ld\r\n", SystemCoreClock);
APP_I2C_Config();
uint8_t res = SSD1306_Init();
printf("OLED init: %d\n", res);
SSD1306_DrawLine(0, 0, 127, 0, 1);
SSD1306_DrawLine(0, 0, 0, 63, 1);
SSD1306_DrawLine(127, 0, 127, 63, 1);
SSD1306_DrawLine(0, 63, 127, 63, 1);
SSD1306_GotoXY(5, 5);
SSD1306_Puts("OLED:128x64", &Font_11x18, 1);
SSD1306_GotoXY(10, 52);
SSD1306_Puts("Font size: 11x18", &Font_6x10, 1);
SSD1306_UpdateScreen(); // display
HAL_Delay(1000);
SSD1306_Fill(0);
SSD1306_GotoXY(5, 5);
SSD1306_Puts("OLED:128x64", &Font_11x18, 1);
SSD1306_GotoXY(10, 52);
SSD1306_Puts("SSD1306 Demo", &Font_6x12, 1);
SSD1306_UpdateScreen();
HAL_Delay(1000);
SSD1306_ToggleInvert(); // Invert display
SSD1306_UpdateScreen();
HAL_Delay(1000);
SSD1306_ToggleInvert(); // Invert display
SSD1306_UpdateScreen();
HAL_Delay(1000);
SSD1306_Fill(0);
y1 = 64, y2 = 0;
while (y1 > 0)
{
SSD1306_DrawLine(0, y1, 127, y2, 1);
SSD1306_UpdateScreen();
y1 -= 2;
y2 += 2;
}
HAL_Delay(1000);
SSD1306_Fill(0);
y1 = 127, y2 = 0;
while (y1 > 0)
{
SSD1306_DrawLine(y1, 0, y2, 63, 1);
SSD1306_UpdateScreen();
y1 -= 2;
y2 += 2;
}
HAL_Delay(1000);
SSD1306_Fill(1);
SSD1306_UpdateScreen();
SSD1306_DrawCircle(64, 32, 25, 0);
SSD1306_UpdateScreen();
SSD1306_DrawCircle(128, 32, 25, 0);
SSD1306_UpdateScreen();
SSD1306_DrawCircle(0, 32, 25, 0);
SSD1306_UpdateScreen();
SSD1306_DrawCircle(32, 32, 25, 0);
SSD1306_UpdateScreen();
SSD1306_DrawCircle(96, 32, 25, 0);
SSD1306_UpdateScreen();
HAL_Delay(1000);
SSD1306_Fill(0);
SSD1306_UpdateScreen();
int32_t i = -100;
char buf[10];
while (i <= 100)
{
memset(&buf[0], 0, sizeof(buf));
sprintf(buf, "%ld", i);
SSD1306_GotoXY(50, 27);
SSD1306_Puts(buf, &Font_6x10, 1);
SSD1306_DrawLine(64, 10, (i + 100) * 128 / 200, (i + 100) * 64 / 200, 1);
SSD1306_UpdateScreen();
SSD1306_Fill(0);
i++;
}
SSD1306_GotoXY(50, 27);
sprintf(buf, "END");
SSD1306_Puts(buf, &Font_6x10, 1);
SSD1306_UpdateScreen();
while(1);
}
static void APP_I2C_Config(void)
{
I2cHandle.Instance = I2C;
I2cHandle.Init.ClockSpeed = 100000; // 100KHz ~ 400KHz
I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_16_9;
I2cHandle.Init.OwnAddress1 = I2C_ADDRESS;
I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&I2cHandle) != HAL_OK)
{
APP_ErrorHandler();
}
}
void APP_I2C_Transmit(uint8_t devAddress, uint8_t memAddress, uint8_t *pData, uint16_t len)
{
HAL_I2C_Mem_Write(&I2cHandle, devAddress, memAddress, I2C_MEMADD_SIZE_8BIT, pData, len, 5000);
}
void APP_ErrorHandler(void)
{
while (1);
}
#ifdef USE_FULL_ASSERT
/**
* @brief Export assert error source and line number
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
while (1);
}
#endif /* USE_FULL_ASSERT */