243 lines
6.6 KiB
C
243 lines
6.6 KiB
C
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#include "oled.h"
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#include "i2c.h"
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extern u8g2_t u8g2;
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uint8_t u8x8_byte_hw_i2c(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)//Ӳ<><D3B2>I2C
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{
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/* u8g2/u8x8 will never send more than 32 bytes between START_TRANSFER and END_TRANSFER */
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static uint8_t buffer[128];
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static uint8_t buf_idx;
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uint8_t *data;
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switch (msg)
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{
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case U8X8_MSG_BYTE_INIT:
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{
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/* add your custom code to init i2c subsystem */
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MX_I2C1_Init(); //I2C<32><43>ʼ<EFBFBD><CABC>
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}
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break;
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case U8X8_MSG_BYTE_START_TRANSFER:
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{
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buf_idx = 0;
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}
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break;
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case U8X8_MSG_BYTE_SEND:
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{
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data = (uint8_t *)arg_ptr;
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while (arg_int > 0)
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{
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buffer[buf_idx++] = *data;
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data++;
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arg_int--;
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}
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}
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break;
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case U8X8_MSG_BYTE_END_TRANSFER:
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{
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int ret = HAL_I2C_Master_Transmit(&hi2c1, (OLED_ADDRESS), buffer, buf_idx, 1000);
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if (ret != HAL_OK)
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{
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return 0;
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}
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}
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break;
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case U8X8_MSG_BYTE_SET_DC:
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break;
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default:
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return 0;
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}
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return 1;
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}
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uint8_t stm32_gpio_and_delay(U8X8_UNUSED u8x8_t *u8x8, U8X8_UNUSED uint8_t msg, U8X8_UNUSED uint8_t arg_int, U8X8_UNUSED void *arg_ptr)
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{
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#if 0
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switch (msg)
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{
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// case U8X8_MSG_GPIO_AND_DELAY_INIT:
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// oled_init();
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// break;
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case U8X8_MSG_GPIO_SPI_DATA:
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if(arg_int)OLED_SDIN_Set();
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else OLED_SDIN_Clr();
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break;
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case U8X8_MSG_GPIO_SPI_CLOCK:
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if(arg_int)OLED_SCLK_Set();
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else OLED_SCLK_Clr();
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break;
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case U8X8_MSG_GPIO_CS:
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//CS????
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case U8X8_MSG_GPIO_DC:
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if(arg_int)OLED_DC_Set();
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else OLED_DC_Clr();
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break;
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case U8X8_MSG_GPIO_RESET:
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if(arg_int)OLED_RST_Set();
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else OLED_RST_Clr();
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break;
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//Function which delays 100ns
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case U8X8_MSG_DELAY_100NANO:
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__NOP();
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break;
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case U8X8_MSG_DELAY_MILLI:
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LL_mDelay(arg_int);
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break;
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default:
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return 0;//A message was received which is not implemented, return 0 to indicate an error
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}
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return 1;
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#elif 0
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// printf("%s:msg = %d,arg_int = %d\r\n",__FUNCTION__,msg,arg_int);
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switch (msg)
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{
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// case U8X8_MSG_GPIO_AND_DELAY_INIT:
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// oled_init();
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// break;
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case U8X8_MSG_DELAY_100NANO: // delay arg_int * 100 nano seconds
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__NOP();
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break;
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case U8X8_MSG_DELAY_10MICRO: // delay arg_int * 10 micro seconds
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for (uint16_t n = 0; n < 320; n++)
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{
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__NOP();
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}
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break;
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case U8X8_MSG_DELAY_MILLI: // delay arg_int * 1 milli second
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LL_mDelay(1);
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break;
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case U8X8_MSG_DELAY_I2C: // arg_int is the I2C speed in 100KHz, e.g. 4 = 400 KHz
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// delay 5us
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delay_us(5); // arg_int=1: delay by 5us, arg_int = 4: delay by 1.25us
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case U8X8_MSG_GPIO_I2C_CLOCK: // arg_int=0: Output low at I2C clock pin
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if (arg_int == 1)
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{
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LL_GPIO_SetOutputPin(LCD_SCL_GPIO_Port, LCD_SCL_Pin);
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// HAL_GPIO_WritePin(GPIOB, SCL2_Pin, GPIO_PIN_SET);
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}
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else if (arg_int == 0)
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{
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LL_GPIO_ResetOutputPin(LCD_SCL_GPIO_Port, LCD_SCL_Pin);
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// HAL_GPIO_WritePin(GPIOB, SCL2_Pin, GPIO_PIN_RESET);
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}
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break; // arg_int=1: Input dir with pullup high for I2C clock pin
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case U8X8_MSG_GPIO_I2C_DATA: // arg_int=0: Output low at I2C data pin
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// printf("U8X8_MSG_GPIO_I2C_DATA:%d\r\n",arg_int);
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if (arg_int == 1)
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{
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LL_GPIO_SetOutputPin(LCD_SDA_GPIO_Port, LCD_SDA_Pin);
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// HAL_GPIO_WritePin(GPIOB, SDA2_Pin, GPIO_PIN_SET);
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}
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else if (arg_int == 0)
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{
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LL_GPIO_ResetOutputPin(LCD_SDA_GPIO_Port, LCD_SDA_Pin);
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// HAL_GPIO_WritePin(GPIOB, SDA2_Pin, GPIO_PIN_RESET);
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}
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break; // arg_int=1: Input dir with pullup high for I2C data pin
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default:
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u8x8_SetGPIOResult(u8x8, 1); // default return value
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break;
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}
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return 1;
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#elif 0
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switch (msg)
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{
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case U8X8_MSG_GPIO_AND_DELAY_INIT:
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break;
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case U8X8_MSG_DELAY_MILLI:
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LL_mDelay(arg_int);
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break;
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case U8X8_MSG_GPIO_I2C_CLOCK:
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break;
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case U8X8_MSG_GPIO_I2C_DATA:
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break;
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default:
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return 0;
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}
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return 1; // command processed successfully.
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#elif 1
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switch (msg)
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{
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case U8X8_MSG_DELAY_100NANO: // delay arg_int * 100 nano seconds
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__NOP();
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break;
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case U8X8_MSG_DELAY_10MICRO: // delay arg_int * 10 micro seconds
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for (uint16_t n = 0; n < 320; n++)
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{
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__NOP();
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}
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break;
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case U8X8_MSG_DELAY_MILLI: // delay arg_int * 1 milli second
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HAL_Delay(1);
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break;
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case U8X8_MSG_DELAY_I2C: // arg_int is the I2C speed in 100KHz, e.g. 4 = 400 KHz
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// delay_us(5);
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for (uint16_t n = 0; n < 160; n++)
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{
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__NOP();
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}
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break; // arg_int=1: delay by 5us, arg_int = 4: delay by 1.25us
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case U8X8_MSG_GPIO_I2C_CLOCK: // arg_int=0: Output low at I2C clock pin
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break; // arg_int=1: Input dir with pullup high for I2C clock pin
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case U8X8_MSG_GPIO_I2C_DATA: // arg_int=0: Output low at I2C data pin
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break; // arg_int=1: Input dir with pullup high for I2C data pin
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case U8X8_MSG_GPIO_MENU_SELECT:
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u8x8_SetGPIOResult(u8x8, /* get menu select pin state */ 0);
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break;
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case U8X8_MSG_GPIO_MENU_NEXT:
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u8x8_SetGPIOResult(u8x8, /* get menu next pin state */ 0);
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break;
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case U8X8_MSG_GPIO_MENU_PREV:
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u8x8_SetGPIOResult(u8x8, /* get menu prev pin state */ 0);
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break;
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case U8X8_MSG_GPIO_MENU_HOME:
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u8x8_SetGPIOResult(u8x8, /* get menu home pin state */ 0);
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break;
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default:
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u8x8_SetGPIOResult(u8x8, 1); // default return value
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break;
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}
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return 1;
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}
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#endif
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void oled_init(void)
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{
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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GPIO_InitStruct.Pin = SPI1_CS_Pin | SPI1_SCK_Pin | SPI1_MISO_Pin | SPI1_MOSI_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = PWM1_Pin;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// OLED_RST_Set();
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// LL_mDelay(100);
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// OLED_RST_Clr();
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// LL_mDelay(100);
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// OLED_RST_Set();
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// GPIO_InitStruct.Pin = LCD_SCL_Pin | LCD_SDA_Pin;
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// GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
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// GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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// GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
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// LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// LL_GPIO_SetOutputPin(GPIOB, LCD_SCL_Pin|LCD_SDA_Pin);
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// I2C1->CR1 = I2C_CR1_SWRST; //<2F><>λI2C<32><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// I2C1->CR1 = 0; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// u8g2_Setup_sh1106_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_4wire_sw_spi, stm32_gpio_and_delay);
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// u8g2_Setup_sh1106_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_sw_i2c, stm32_gpio_and_delay);
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u8g2_Setup_sh1106_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_hw_i2c, stm32_gpio_and_delay);
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u8g2_InitDisplay(&u8g2);
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u8g2_SetPowerSave(&u8g2, 0);
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}
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