bstanwell/ch32v20x-examples
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update 1.8

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qiyongshuang
2023-09-06 10:08:11 +08:00
parent b79c6ac80d
commit 64be955461
760 changed files with 42517 additions and 30957 deletions
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EVT/EXAM/I2C/I2C_EEPROM/User/main.c
+15 -13
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@@ -4,22 +4,22 @@
* Version : V1.0.0
* Date : 2021/06/06
* Description : Main program body.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/*
*@Note
I2C interface routine to operate EEPROM peripheral:
I2C1_SCL(PB10)\I2C1_SDA(PB11).
This example uses EEPROM for AT24Cxx series.
Steps:
READ EEPROM:Start + 0xA0 + 8bit Data Address + Start + 0xA1 + Read Data + Stop.
WRITE EERPOM:Start + 0xA0 + 8bit Data Address + Write Data + Stop.
*/
*I2C interface routine to operate EEPROM peripheral:
*I2C1_SCL(PB10)\I2C1_SDA(PB11).
*This example uses EEPROM for AT24Cxx series.
*Steps:
*READ EEPROM:Start + 0xA0 + 8bit Data Address + Start + 0xA1 + Read Data + Stop.
*WRITE EERPOM:Start + 0xA0 + 8bit Data Address + Write Data + Stop.
*
*/
#include "debug.h"
@@ -237,9 +237,11 @@ int main(void)
{
u8 data[SIZE];
SystemCoreClockUpdate();
Delay_Init();
USART_Printf_Init(115200);
printf("SystemClk:%d\r\n",SystemCoreClock);
printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
AT24CXX_Init();