stm32g031 hal oled

Dependencies:   SMALL_HAL_SSD1308_128x64_I2C

Committer:
caa45040
Date:
Thu Aug 11 00:16:18 2022 +0000
Revision:
0:2633b3dba75d
stm32g031 hal oled

Who changed what in which revision?

UserRevisionLine numberNew contents of line
caa45040 0:2633b3dba75d 1
caa45040 0:2633b3dba75d 2 //HAL_oled_16x24_031_1
caa45040 0:2633b3dba75d 3
caa45040 0:2633b3dba75d 4
caa45040 0:2633b3dba75d 5 #include "mbed.h"
caa45040 0:2633b3dba75d 6 #include "SSD1308.h"
caa45040 0:2633b3dba75d 7
caa45040 0:2633b3dba75d 8
caa45040 0:2633b3dba75d 9 int main() {
caa45040 0:2633b3dba75d 10
caa45040 0:2633b3dba75d 11 __HAL_RCC_GPIOA_CLK_ENABLE();
caa45040 0:2633b3dba75d 12
caa45040 0:2633b3dba75d 13 GPIO_InitTypeDef GPIO_InitStruct = {0};
caa45040 0:2633b3dba75d 14
caa45040 0:2633b3dba75d 15 GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
caa45040 0:2633b3dba75d 16 GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
caa45040 0:2633b3dba75d 17 GPIO_InitStruct.Pull = GPIO_PULLUP;
caa45040 0:2633b3dba75d 18 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
caa45040 0:2633b3dba75d 19 GPIO_InitStruct.Alternate = GPIO_AF6_I2C2;
caa45040 0:2633b3dba75d 20 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
caa45040 0:2633b3dba75d 21
caa45040 0:2633b3dba75d 22 GPIO_InitStruct.Pin = GPIO_PIN_0;
caa45040 0:2633b3dba75d 23 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
caa45040 0:2633b3dba75d 24 GPIO_InitStruct.Pull = GPIO_NOPULL;
caa45040 0:2633b3dba75d 25 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
caa45040 0:2633b3dba75d 26 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
caa45040 0:2633b3dba75d 27
caa45040 0:2633b3dba75d 28
caa45040 0:2633b3dba75d 29 __HAL_RCC_I2C2_CLK_ENABLE();
caa45040 0:2633b3dba75d 30
caa45040 0:2633b3dba75d 31 I2C_HandleTypeDef hi2c2;
caa45040 0:2633b3dba75d 32
caa45040 0:2633b3dba75d 33 hi2c2.Instance = I2C2;
caa45040 0:2633b3dba75d 34 hi2c2.Init.Timing = 0x10707DBC;
caa45040 0:2633b3dba75d 35 hi2c2.Init.OwnAddress1 = 0;
caa45040 0:2633b3dba75d 36 hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
caa45040 0:2633b3dba75d 37 hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
caa45040 0:2633b3dba75d 38 hi2c2.Init.OwnAddress2 = 0;
caa45040 0:2633b3dba75d 39 hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
caa45040 0:2633b3dba75d 40 hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
caa45040 0:2633b3dba75d 41 hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
caa45040 0:2633b3dba75d 42 HAL_I2C_Init(&hi2c2);
caa45040 0:2633b3dba75d 43
caa45040 0:2633b3dba75d 44 HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE);
caa45040 0:2633b3dba75d 45
caa45040 0:2633b3dba75d 46 HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0);
caa45040 0:2633b3dba75d 47
caa45040 0:2633b3dba75d 48
caa45040 0:2633b3dba75d 49 HAL_Delay(200);
caa45040 0:2633b3dba75d 50
caa45040 0:2633b3dba75d 51
caa45040 0:2633b3dba75d 52 SSD1308 oled = SSD1308( &hi2c2 , SSD1308_SA0);
caa45040 0:2633b3dba75d 53
caa45040 0:2633b3dba75d 54
caa45040 0:2633b3dba75d 55 //char n1_8[] = "12345678";
caa45040 0:2633b3dba75d 56 char n1_8[] = "87654321";
caa45040 0:2633b3dba75d 57 //char n1_8[] = "88888888";
caa45040 0:2633b3dba75d 58
caa45040 0:2633b3dba75d 59 int ii=0;
caa45040 0:2633b3dba75d 60 for(int nn=0; nn<8; nn++) {
caa45040 0:2633b3dba75d 61 // y x
caa45040 0:2633b3dba75d 62 oled.writeBigChar(0, ii*16,n1_8[nn]);
caa45040 0:2633b3dba75d 63 ii = ii + 1;
caa45040 0:2633b3dba75d 64 } //for
caa45040 0:2633b3dba75d 65
caa45040 0:2633b3dba75d 66 while(1) {
caa45040 0:2633b3dba75d 67
caa45040 0:2633b3dba75d 68 HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0, GPIO_PIN_SET);
caa45040 0:2633b3dba75d 69 HAL_Delay(200);
caa45040 0:2633b3dba75d 70
caa45040 0:2633b3dba75d 71 HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0, GPIO_PIN_RESET);
caa45040 0:2633b3dba75d 72 HAL_Delay(200);
caa45040 0:2633b3dba75d 73
caa45040 0:2633b3dba75d 74 }//while
caa45040 0:2633b3dba75d 75
caa45040 0:2633b3dba75d 76 }//main