From 08b3909c40a192778719c6262bbee4745682948d Mon Sep 17 00:00:00 2001
From: jinlicong <493886250@qq.com>
Date: Fri, 31 May 2024 19:15:47 +0800
Subject: [PATCH] 测试和修改了一些功能bug
---
HARDWARE/SPI/SPI.c | 180 +++++++++++++++++++-----------------------------------------
1 files changed, 57 insertions(+), 123 deletions(-)
diff --git a/HARDWARE/SPI/SPI.c b/HARDWARE/SPI/SPI.c
index 5ffdc63..5253a5e 100644
--- a/HARDWARE/SPI/SPI.c
+++ b/HARDWARE/SPI/SPI.c
@@ -1,134 +1,68 @@
-
-/******************************************************************************
- * Copyright (C) 2014-2015 HangZhou SiZhu Co.,LTD.
- *
- *-----------------------------------------------------------------------------
- * File: spi.c
- * Description: spi gpio config , receive and send data code
- * Author: Lishoujian (867693272@qq.com)
- * Date: Jan 8, 2015
- *****************************************************************************/
-
-/* ----------------------- Platform includes --------------------------------*/
#include "spi.h"
-#include "stm32f10x.h"
-#include "systaskinit.h"
+#include "gpio.h"
-/******************************************
- * func: SPI3_ioconfig
- * desc: config gpio;initialize hardware interface of spi3
- * input: none
- * output: none
- * return: none
- *****************************************/
-
-void Fram_Flash_SPI_Init(void)
+void SPI3_Init(void)
{
- SPI_InitTypeDef SPI_InitStructure;
-
- SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
- SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
- SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
- SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; //CPOL low
- SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; //CPOA first edge
- SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
- SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2; //Baud Rate Prescaler is 256
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //send and receive data begin with high bit
- SPI_InitStructure.SPI_CRCPolynomial = 7;
- SPI_Init(Fram_Flash_SPI_NUM, &SPI_InitStructure);
-
- SPI_Cmd(Fram_Flash_SPI_NUM, ENABLE); //Enable SPI3
-
-}
-
-
-/******************************************
- * func: SPI_ReadWriteByte
- * desc: spi receive and send data
- * input: SPIx - SPI port , TxData - send data
- * output: none
- * return: the data received by spi
- *****************************************/
-u8 SPI_ReadWriteByte(SPI_TypeDef* SPIx,u8 TxData)
-{
- u8 retry=0;
- while (SPI_I2S_GetFlagStatus(SPIx, SPI_I2S_FLAG_TXE) == RESET) //���ָ����SPI��־λ�������:���ͻ���ձ�־λ
- {
- retry++;
- if(retry>200)return 0;
- }
- SPI_I2S_SendData(SPIx, TxData); //ͨ������SPIx����һ������
- retry=0;
-
- while (SPI_I2S_GetFlagStatus(SPIx, SPI_I2S_FLAG_RXNE) == RESET) //���ָ����SPI��־λ�������:���ܻ���ǿձ�־λ
- {
- retry++;
- if(retry>200)return 0;
- }
- return SPI_I2S_ReceiveData(SPIx); //����ͨ��SPIx������յ�����
-}
-
-
-
-
-
-
-u8 SPI1_ReadWriteByte(u8 TxData)
-{
- u8 retry=0;
- while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET) //���ָ����SPI��־λ�������:���ͻ���ձ�־λ
- {
- retry++;
- if(retry>200)return 0;
- }
- SPI_I2S_SendData(SPI1, TxData); //ͨ������SPIx����һ������
- retry=0;
+ CMU_PERCLK_SetableEx(PADCLK, ENABLE); //PADʱ�ӣ�GPIO��ʹ�ܺ���
- while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET) //���ָ����SPI��־λ�������:���ܻ���ǿձ�־λ
- {
- retry++;
- if(retry>200) return 0;
- }
+// AltFunIO(GPIOF, GPIO_Pin_15, ALTFUN_NORMAL); // SSN
+
+
+ AltFunIO(SPI3_PORT, SPI3_SCK_PIN, ALTFUN_NORMAL); // SCK
+ AltFunIO(SPI3_PORT, SPI3_MISO_PIN, ALTFUN_NORMAL); // MISO
+ AltFunIO(SPI3_PORT, SPI3_MOSI_PIN, ALTFUN_NORMAL); // MOSI
- return SPI_I2S_ReceiveData(SPI1); //����ͨ��SPIx������յ�����
+ CMU_PERCLK_SetableEx(SPI3CLK, ENABLE); //����SPI3����ʱ��
+
+ SPIx_CR1_IOSWAP_Set(SPI3, SPIx_CR1_IOSWAP_DEFAULT); // MISO��MOSIĬ������ ������
+ SPIx_CR1_MM_Set(SPI3, SPIx_CR1_MM_MASTER); //masterģʽ
+ SPIx_CR1_WAIT_Set(SPI3, SPIx_CR1_WAIT_1WAIT); // ÿ������һ֡�����һ��CLK
+ SPIx_CR1_BAUD_Set(SPI3, SPIx_CR1_BAUD_DIV4); //����������Ϊ����ʱ��2��Ƶ
+ SPIx_CR1_LSBF_Set(SPI3, SPIx_CR1_LSBF_MSB); //֡��ʽ�ȷ���MSB
+ SPIx_CR1_CPHOL_Set(SPI3, SPIx_CR1_CPHOL_LOW); //CLKֹͣ�ڵ͵�ƽ
+ SPIx_CR1_CPHA_Set(SPI3, SPIx_CR1_CPHA_1CLOCK); //��һ��ʱ�ӱ��ز�
+ SPIx_CR2_SSNSEN_Setable(SPI3, DISABLE); //SSN��Ӳ������
+
+ SPIx_CR2_RXO_Setable(SPI3, DISABLE); //SPI����Ϊȫ˫��
+ SPIx_CR2_DLEN_Set(SPI3, SPIx_CR2_DLEN_8BIT); //ͨ�������ֳ�8bit
+ SPIx_CR2_HALFDUPLEX_Set(SPI3, SPIx_CR2_HALFDUPLEX_SPI); //SPI����Ϊ��SPIģʽ
+ SPIx_CR2_SSNM_Set(SPI3, SPIx_CR2_SSNM_LOW); //ÿ�η���master��ssn���ֵ�
+ SPIx_CR2_TXO_AC_Setable(SPI3, DISABLE); //�ر�TXONLY�Զ���0
+ SPIx_CR2_TXO_Setable(SPI3, DISABLE); //�ر�TXONLYģʽ
+ // SPIx_CR2_SSN_Set(SPI3, SPIx_CR2_SSN_HIGH); //SSNSENΪ��ʱSNN����ߵ�ƽ
+
+ SPIx_CR3_SERRC_Clr(SPI3); //����ӻ������־
+ SPIx_CR3_MERRC_Clr(SPI3); //������������־
+ SPIx_CR3_RXBFC_Clr(SPI3); //���RXBUF
+ SPIx_CR3_TXBFC_Clr(SPI3); //���TXBUF
+
+ SPIx_CR2_SPIEN_Setable(SPI3, ENABLE); //ʹ��SPI3
}
-
-u8 SPI3_ReadWriteByte(u8 TxData)
-{
- uint8 retry=0;
- while (SPI_I2S_GetFlagStatus( SPI3, SPI_I2S_FLAG_TXE) == RESET) //send buffer empty flag
- {
- retry++;
- if(retry>200)return 0;
- }
- SPI_I2S_SendData(SPI3, TxData); //send data
- retry=0;
-
- while (SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_RXNE) == RESET) //receive buffer not empty flag
- {
- retry++;
- if(retry>200)return 0;
- }
- return SPI_I2S_ReceiveData(SPI3); //return received data
+uint8_t SpiWriteAndRead(uint32_t data)
+{
+ SPIx_TXBUF_Write(SPI3, data);
+ while (!SPIx_ISR_TXBE_Chk(SPI3));
+ while (!SPIx_ISR_RXBF_Chk(SPI3));
+ data = SPIx_RXBUF_Read(SPI3);
+
+ return data;
}
+void SpiWrite(uint8_t *data, uint32_t length)
+{
+ while (length--)
+ {
+ SpiWriteAndRead(*data);
+ data++;
+ }
+}
-u8 SPI2_ReadWriteByte(u8 TxData)
-{
- uint8 retry=0;
- while (SPI_I2S_GetFlagStatus( SPI2, SPI_I2S_FLAG_TXE) == RESET) //send buffer not empty flag
- {
- retry++;
- if(retry>200)return 0;
- }
- SPI_I2S_SendData(SPI2, TxData); //send data
- retry=0;
-
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET) //receive buffer not empty flag
- {
- retry++;
- if(retry>255)return 0;
- }
- return SPI_I2S_ReceiveData(SPI2); //return reveived data
+void SpiRead(uint8_t *data, uint32_t length)
+{
+ while (length--)
+ {
+ *data = SpiWriteAndRead(0x00);
+ data++;
+ }
}
--
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