From 7d7389cac55952fcb794d2632747a8adc1e119ee Mon Sep 17 00:00:00 2001 From: Dien-Nhung Nguyen-Phu Date: Wed, 15 May 2024 12:43:35 +0700 Subject: init blink project generated project from EVT --- .../StdPeriphDriver/CH58x_spi0.c | 368 +++++++++++++++++++++ 1 file changed, 368 insertions(+) create mode 100644 CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_spi0.c (limited to 'CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_spi0.c') diff --git a/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_spi0.c b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_spi0.c new file mode 100644 index 0000000..7b75bdf --- /dev/null +++ b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_spi0.c @@ -0,0 +1,368 @@ +/********************************** (C) COPYRIGHT ******************************* + * File Name : CH58x_SPI0.c + * Author : WCH + * Version : V1.2 + * Date : 2021/11/17 + * Description + ********************************************************************************* + * 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. + *******************************************************************************/ + +#include "CH58x_common.h" + +/********************************************************************* + * @fn SPI0_MasterDefInit + * + * @brief 主机模式默认初始化：模式0+3线全双工+8MHz + * + * @param none + * + * @return none + */ +void SPI0_MasterDefInit(void) +{ + R8_SPI0_CLOCK_DIV = 4; // 主频时钟4分频 + R8_SPI0_CTRL_MOD = RB_SPI_ALL_CLEAR; + R8_SPI0_CTRL_MOD = RB_SPI_MOSI_OE | RB_SPI_SCK_OE; + R8_SPI0_CTRL_CFG |= RB_SPI_AUTO_IF; // 访问BUFFER/FIFO自动清除IF_BYTE_END标志 + R8_SPI0_CTRL_CFG &= ~RB_SPI_DMA_ENABLE; // 不启动DMA方式 +} + +/********************************************************************* + * @fn SPI0_CLKCfg + * + * @brief SPI0 基准时钟配置，= d*Tsys + * + * @param c - 时钟分频系数 + * + * @return none + */ +void SPI0_CLKCfg(uint8_t c) +{ + if(c == 2) + { + R8_SPI0_CTRL_CFG |= RB_SPI_MST_DLY_EN; + } + else + { + R8_SPI0_CTRL_CFG &= ~RB_SPI_MST_DLY_EN; + } + R8_SPI0_CLOCK_DIV = c; +} + +/********************************************************************* + * @fn SPI0_DataMode + * + * @brief 设置数据流模式 + * + * @param m - 数据流模式 refer to ModeBitOrderTypeDef + * + * @return none + */ +void SPI0_DataMode(ModeBitOrderTypeDef m) +{ + switch(m) + { + case Mode0_LowBitINFront: + R8_SPI0_CTRL_MOD &= ~RB_SPI_MST_SCK_MOD; + R8_SPI0_CTRL_CFG |= RB_SPI_BIT_ORDER; + break; + case Mode0_HighBitINFront: + R8_SPI0_CTRL_MOD &= ~RB_SPI_MST_SCK_MOD; + R8_SPI0_CTRL_CFG &= ~RB_SPI_BIT_ORDER; + break; + case Mode3_LowBitINFront: + R8_SPI0_CTRL_MOD |= RB_SPI_MST_SCK_MOD; + R8_SPI0_CTRL_CFG |= RB_SPI_BIT_ORDER; + break; + case Mode3_HighBitINFront: + R8_SPI0_CTRL_MOD |= RB_SPI_MST_SCK_MOD; + R8_SPI0_CTRL_CFG &= ~RB_SPI_BIT_ORDER; + break; + default: + break; + } +} + +/********************************************************************* + * @fn SPI0_MasterSendByte + * + * @brief 发送单字节 (buffer) + * + * @param d - 发送字节 + * + * @return none + */ +void SPI0_MasterSendByte(uint8_t d) +{ + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; + R8_SPI0_BUFFER = d; + while(!(R8_SPI0_INT_FLAG & RB_SPI_FREE)); +} + +/********************************************************************* + * @fn SPI0_MasterRecvByte + * + * @brief 接收单字节 (buffer) + * + * @param none + * + * @return 接收到的字节 + */ +uint8_t SPI0_MasterRecvByte(void) +{ + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; + R8_SPI0_BUFFER = 0xFF; // 启动传输 + while(!(R8_SPI0_INT_FLAG & RB_SPI_FREE)); + return (R8_SPI0_BUFFER); +} + +/********************************************************************* + * @fn SPI0_MasterTrans + * + * @brief 使用FIFO连续发送多字节 + * + * @param pbuf - 待发送的数据内容首地址 + * @param len - 请求发送的数据长度，最大4095 + * + * @return none + */ +void SPI0_MasterTrans(uint8_t *pbuf, uint16_t len) +{ + uint16_t sendlen; + + sendlen = len; + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; // 设置数据方向为输出 + R16_SPI0_TOTAL_CNT = sendlen; // 设置要发送的数据长度 + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END; + while(sendlen) + { + if(R8_SPI0_FIFO_COUNT < SPI_FIFO_SIZE) + { + R8_SPI0_FIFO = *pbuf; + pbuf++; + sendlen--; + } + } + while(R8_SPI0_FIFO_COUNT != 0); // 等待FIFO中的数据全部发送完成 +} + +/********************************************************************* + * @fn SPI0_MasterRecv + * + * @brief 使用FIFO连续接收多字节 + * + * @param pbuf - 待接收的数据首地址 + * @param len - 待接收的数据长度，最大4095 + * + * @return none + */ +void SPI0_MasterRecv(uint8_t *pbuf, uint16_t len) +{ + uint16_t readlen; + + readlen = len; + R8_SPI0_CTRL_MOD |= RB_SPI_FIFO_DIR; // 设置数据方向为输入 + R16_SPI0_TOTAL_CNT = len; // 设置需要接收的数据长度，FIFO方向为输入长度不为0则会启动传输 */ + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END; + while(readlen) + { + if(R8_SPI0_FIFO_COUNT) + { + *pbuf = R8_SPI0_FIFO; + pbuf++; + readlen--; + } + } +} + +/********************************************************************* + * @fn SPI0_MasterDMATrans + * + * @brief DMA方式连续发送数据 + * + * @param pbuf - 待发送数据起始地址,需要四字节对其 + * @param len - 待发送数据长度 + * + * @return none + */ +void SPI0_MasterDMATrans(uint8_t *pbuf, uint16_t len) +{ + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; + R16_SPI0_DMA_BEG = (uint32_t)pbuf; + R16_SPI0_DMA_END = (uint32_t)(pbuf + len); + R16_SPI0_TOTAL_CNT = len; + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END | RB_SPI_IF_DMA_END; + R8_SPI0_CTRL_CFG |= RB_SPI_DMA_ENABLE; + while(!(R8_SPI0_INT_FLAG & RB_SPI_IF_CNT_END)); + R8_SPI0_CTRL_CFG &= ~RB_SPI_DMA_ENABLE; +} + +/********************************************************************* + * @fn SPI0_MasterDMARecv + * + * @brief DMA方式连续接收数据 + * + * @param pbuf - 待接收数据存放起始地址,需要四字节对其 + * @param len - 待接收数据长度 + * + * @return none + */ +void SPI0_MasterDMARecv(uint8_t *pbuf, uint16_t len) +{ + R8_SPI0_CTRL_MOD |= RB_SPI_FIFO_DIR; + R16_SPI0_DMA_BEG = (uint32_t)pbuf; + R16_SPI0_DMA_END = (uint32_t)(pbuf + len); + R16_SPI0_TOTAL_CNT = len; + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END | RB_SPI_IF_DMA_END; + R8_SPI0_CTRL_CFG |= RB_SPI_DMA_ENABLE; + while(!(R8_SPI0_INT_FLAG & RB_SPI_IF_CNT_END)); + R8_SPI0_CTRL_CFG &= ~RB_SPI_DMA_ENABLE; +} + +/********************************************************************* + * @fn SPI0_SlaveInit + * + * @brief 设备模式默认初始化，建议设置MISO的GPIO对应为输入模式 + * + * @return none + */ +void SPI0_SlaveInit(void) +{ + R8_SPI0_CTRL_MOD = RB_SPI_ALL_CLEAR; + R8_SPI0_CTRL_MOD = RB_SPI_MISO_OE | RB_SPI_MODE_SLAVE; + R8_SPI0_CTRL_CFG |= RB_SPI_AUTO_IF; +} + +/********************************************************************* + * @fn SPI0_SlaveRecvByte + * + * @brief 从机模式，接收一字节数据 + * + * @return 接收到数据 + */ +uint8_t SPI0_SlaveRecvByte(void) +{ + R8_SPI0_CTRL_MOD |= RB_SPI_FIFO_DIR; + while(R8_SPI0_FIFO_COUNT == 0); + return R8_SPI0_FIFO; +} + +/********************************************************************* + * @fn SPI0_SlaveSendByte + * + * @brief 从机模式，发送一字节数据 + * + * @param d - 待发送数据 + * + * @return none + */ +void SPI0_SlaveSendByte(uint8_t d) +{ + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; + R8_SPI0_FIFO = d; + while(R8_SPI0_FIFO_COUNT != 0); // 等待发送完成 +} + +/********************************************************************* + * @fn SPI0_SlaveRecv + * + * @brief 从机模式，接收多字节数据 + * + * @param pbuf - 接收收数据存放起始地址 + * @param len - 请求接收数据长度 + * + * @return none + */ +void SPI0_SlaveRecv(uint8_t *pbuf, uint16_t len) +{ + uint16_t revlen; + + revlen = len; + R8_SPI0_CTRL_MOD |= RB_SPI_FIFO_DIR; + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END; + while(revlen) + { + if(R8_SPI0_FIFO_COUNT) + { + *pbuf = R8_SPI0_FIFO; + pbuf++; + revlen--; + } + } +} + +/********************************************************************* + * @fn SPI0_SlaveTrans + * + * @brief 从机模式，发送多字节数据 + * + * @param pbuf - 待发送的数据内容首地址 + * @param len - 请求发送的数据长度，最大4095 + * + * @return none + */ +void SPI0_SlaveTrans(uint8_t *pbuf, uint16_t len) +{ + uint16_t sendlen; + + sendlen = len; + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; // 设置数据方向为输出 + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END; + while(sendlen) + { + if(R8_SPI0_FIFO_COUNT < SPI_FIFO_SIZE) + { + R8_SPI0_FIFO = *pbuf; + pbuf++; + sendlen--; + } + } + while(R8_SPI0_FIFO_COUNT != 0); // 等待FIFO中的数据全部发送完成 +} + +/********************************************************************* + * @fn SPI0_SlaveDMARecv + * + * @brief DMA方式连续接收数据 + * + * @param pbuf - 待接收数据存放起始地址,需要四字节对其 + * @param len - 待接收数据长度 + * + * @return none + */ +void SPI0_SlaveDMARecv(uint8_t *pbuf, uint16_t len) +{ + R8_SPI0_CTRL_MOD |= RB_SPI_FIFO_DIR; + R16_SPI0_DMA_BEG = (uint32_t)pbuf; + R16_SPI0_DMA_END = (uint32_t)(pbuf + len); + R16_SPI0_TOTAL_CNT = len; + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END | RB_SPI_IF_DMA_END; + R8_SPI0_CTRL_CFG |= RB_SPI_DMA_ENABLE; + while(!(R8_SPI0_INT_FLAG & RB_SPI_IF_CNT_END)); + R8_SPI0_CTRL_CFG &= ~RB_SPI_DMA_ENABLE; +} + +/********************************************************************* + * @fn SPI0_SlaveDMATrans + * + * @brief DMA方式连续发送数据 + * + * @param pbuf - 待发送数据起始地址,需要四字节对其 + * @param len - 待发送数据长度 + * + * @return none + */ +void SPI0_SlaveDMATrans(uint8_t *pbuf, uint16_t len) +{ + R8_SPI0_CTRL_MOD &= ~RB_SPI_FIFO_DIR; + R16_SPI0_DMA_BEG = (uint32_t)pbuf; + R16_SPI0_DMA_END = (uint32_t)(pbuf + len); + R16_SPI0_TOTAL_CNT = len; + R8_SPI0_INT_FLAG = RB_SPI_IF_CNT_END | RB_SPI_IF_DMA_END; + R8_SPI0_CTRL_CFG |= RB_SPI_DMA_ENABLE; + while(!(R8_SPI0_INT_FLAG & RB_SPI_IF_CNT_END)); + R8_SPI0_CTRL_CFG &= ~RB_SPI_DMA_ENABLE; +} -- cgit v1.2.3