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Zhao_Jiasheng
2021-06-03 17:38:11 +08:00
parent 92301257f3
commit 89a2236b18
1993 changed files with 40 additions and 0 deletions
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Ubiquitous/XiUOS/board/aiit-arm32-board/third_party_driver/can/Kconfig
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config CAN_BUS_NAME_1
string "can bus name"
default "can1"
config CAN_DRIVER_NAME
string "can driver name"
default "can1_drv"
config CAN_1_DEVICE_NAME_1
string "can bus 1 device 1 name"
default "can1_dev1"
Ubiquitous/XiUOS/board/aiit-arm32-board/third_party_driver/can/Makefile
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SRC_FILES := hardware_can.c connect_can.c
include $(KERNEL_ROOT)/compiler.mk
Ubiquitous/XiUOS/board/aiit-arm32-board/third_party_driver/can/connect_can.c
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/*
* Copyright (c) Guangzhou Xingyi Electronic Technology Co., Ltd
*
* Change Logs:
* Date Author Notes
* 2014-7-4 alientek first version
*/
/**
* @file connect_can.c
* @brief support aiit-arm32-board can function and register to bus framework
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-22
*/
/*************************************************
File name: connect_can.c
Description: support can configure and spi bus register function
Others: hardware/can/can.c for references
History:
1. Date: 2021-04-22
Author: AIIT XUOS Lab
Modification:
1. support aiit-arm32-board can configure, write and read
2. support aiit-arm32-board can bus device and driver register
*************************************************/
#include <connect_can.h>
#include <hardware_gpio.h>
#include <hardware_rcc.h>
#include <misc.h>
static struct CanSendConfigure can_send_deconfig =
{
.stdid = 0x12,
.exdid = 0x12,
.ide = 0 ,
.rtr = 0,
.data_lenth = 8
};
static void CanGPIOInit(void)
{
CAN_FilterInitTypeDef can1_filter;
GPIO_InitTypeDef gpio_initstructure;
CAN_InitTypeDef can_initstruction;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);
gpio_initstructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_8;
gpio_initstructure.GPIO_Mode = GPIO_Mode_AF;
gpio_initstructure.GPIO_OType = GPIO_OType_PP;
gpio_initstructure.GPIO_Speed = GPIO_Speed_100MHz;
gpio_initstructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOB, &gpio_initstructure);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource9, GPIO_AF_CAN1);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_CAN1);
}
static void Can1NvicConfig(void)
{
NVIC_InitTypeDef can_nvic_config;
can_nvic_config.NVIC_IRQChannel = CAN1_RX0_IRQn;
can_nvic_config.NVIC_IRQChannelPreemptionPriority = 2;
can_nvic_config.NVIC_IRQChannelSubPriority = 2;
can_nvic_config.NVIC_IRQChannelCmd = ENABLE;
CAN_ITConfig(CAN1, CAN_IT_FMP0, ENABLE);
NVIC_Init(&can_nvic_config);
}
static uint32 CanModeInit(void *drv, struct BusConfigureInfo *configure_info)
{
NULL_PARAM_CHECK(drv);
NULL_PARAM_CHECK(configure_info);
CAN_FilterInitTypeDef can1_filter;
CAN_InitTypeDef can_initstruction;
struct CanDriverConfigure *config = ( struct CanDriverConfigure *)configure_info->private_data;
can_initstruction.CAN_TTCM = DISABLE;
can_initstruction.CAN_ABOM = DISABLE;
can_initstruction.CAN_AWUM = DISABLE;
can_initstruction.CAN_NART = ENABLE;
can_initstruction.CAN_TXFP = DISABLE;
can_initstruction.CAN_Mode = config->mode;
can_initstruction.CAN_RFLM = DISABLE;
can_initstruction.CAN_SJW = config->tsjw;
can_initstruction.CAN_BS1 = config->tbs1;
can_initstruction.CAN_BS2 = config->tbs2;
can_initstruction.CAN_Prescaler = config->brp;
CAN_Init(CAN1, &can_initstruction);
can1_filter.CAN_FilterNumber=0;
can1_filter.CAN_FilterMode=CAN_FilterMode_IdMask;
can1_filter.CAN_FilterScale=CAN_FilterScale_32bit;
can1_filter.CAN_FilterIdHigh=0x0000;
can1_filter.CAN_FilterIdLow=0x0000;
can1_filter.CAN_FilterMaskIdHigh=0x0000;
can1_filter.CAN_FilterMaskIdLow=0x0000;
can1_filter.CAN_FilterFIFOAssignment=CAN_Filter_FIFO0;
can1_filter.CAN_FilterActivation=ENABLE;
CAN_FilterInit(&can1_filter);
#ifdef CAN_USING_INTERRUPT
Can1NvicConfig();
#endif
return 0;
}
static uint32 CanSendMsg(void * dev , struct BusBlockWriteParam *write_param )
{
NULL_PARAM_CHECK(write_param);
uint8 *data = (uint8 * ) write_param->buffer;
u8 messege_box;
u16 i = 0;
u16 timer_count = 1000;
CanTxMsg tx_data;
tx_data.StdId = 0x55;
tx_data.ExtId = 0x00;
tx_data.IDE = 0;
tx_data.RTR = 0;
tx_data.DLC = write_param->size;
for(i = 0;i < tx_data.DLC;i ++) {
tx_data.Data[i] = data[i];
}
messege_box = CAN_Transmit(CAN1,&tx_data);
while (CAN_TransmitStatus(CAN1,messege_box)== CAN_TxStatus_Failed &&timer_count) {
timer_count--;
}
if (timer_count<=0) {
return ERROR;
}
return EOK;
}
static uint32 CanRecvMsg(void *dev , struct BusBlockReadParam *databuf)
{
NULL_PARAM_CHECK(dev);
int i;
uint8 * buf = (uint8 *)databuf->buffer;
CanRxMsg msg;
if (CAN_MessagePending(CAN1, CAN_FIFO0) == 0)
return 0;
CAN_Receive(CAN1, CAN_FIFO0, &msg);
for(i = 0 ;i < msg.DLC;i ++)
buf[i] = msg.Data[i];
databuf->size = msg.DLC ;
return msg.DLC;
}
static struct CanDevDone dev_done =
{
.open = NONE,
.close = NONE,
.write = CanSendMsg,
.read = CanRecvMsg
};
static struct CanHardwareDevice dev;
#ifdef CAN_USING_INTERRUPT
void CAN1_RX0_IRQHandler(void)
{
CanRxMsg rxmsg;
int i = 0;
CAN_Receive(CAN1, 0, &rxmsg);
for (i = 0;i < 8;i ++)
KPrintf("rxbuf [%d] = :%d",i,rxmsg.Data[i]);
}
DECLARE_HW_IRQ(CAN1_RX0_IRQn, CAN1_RX0_IRQHandler, NONE);
#endif
static int BoardCanBusInit(struct Stm32Can *stm32can_bus, struct CanDriver *can_driver)
{
x_err_t ret = EOK;
/*Init the can bus */
ret = CanBusInit(&stm32can_bus->can_bus, stm32can_bus->bus_name);
if (EOK != ret) {
KPrintf("Board_can_init canBusInit error %d\n", ret);
return ERROR;
}
/*Init the can driver*/
ret = CanDriverInit(can_driver, CAN_DRIVER_NAME);
if (EOK != ret) {
KPrintf("Board_can_init canDriverInit error %d\n", ret);
return ERROR;
}
/*Attach the can driver to the can bus*/
ret = CanDriverAttachToBus(CAN_DRIVER_NAME, stm32can_bus->bus_name);
if (EOK != ret) {
KPrintf("Board_can_init CanDriverAttachToBus error %d\n", ret);
return ERROR;
}
return ret;
}
static x_err_t HwCanDeviceAttach(const char *bus_name, const char *device_name)
{
NULL_PARAM_CHECK(bus_name);
NULL_PARAM_CHECK(device_name);
x_err_t result;
struct CanHardwareDevice *can_device;
/* attach the device to can bus*/
can_device = (struct CanHardwareDevice *)x_malloc(sizeof(struct CanHardwareDevice));
CHECK(can_device);
memset(can_device, 0, sizeof(struct CanHardwareDevice));
can_device->dev_done = &dev_done;
result = CanDeviceRegister(can_device, NONE, device_name);
if (EOK != result) {
KPrintf("board_can_init canDeviceInit device %s error %d\n", "can1", result);
return ERROR;
}
result = CanDeviceAttachToBus(device_name, bus_name);
if (result != EOK) {
SYS_ERR("%s attach to %s faild, %d\n", device_name, bus_name, result);
}
CHECK(result == EOK);
KPrintf("%s attach to %s done\n", device_name, bus_name);
return result;
}
struct Stm32Can can1;
int Stm32HwCanBusInit(void)
{
x_err_t ret = EOK;
struct Stm32Can *stm32_can_bus;
static struct CanDriver can_driver;
memset(&can_driver, 0, sizeof(struct CanDriver));
can_driver.configure = CanModeInit;
CanGPIOInit();
stm32_can_bus = &can1;
stm32_can_bus->instance = CAN1;
stm32_can_bus->bus_name = CAN_BUS_NAME_1;
stm32_can_bus->can_bus.private_data = &can1;
ret = BoardCanBusInit(stm32_can_bus, &can_driver);
if (EOK != ret) {
KPrintf(" can_bus_init %s error ret %u\n", stm32_can_bus->bus_name, ret);
return ERROR;
}
ret = HwCanDeviceAttach(CAN_BUS_NAME_1,CAN_1_DEVICE_NAME_1);
if (EOK != ret) {
KPrintf(" HwCanDeviceAttach %s error ret %u\n", stm32_can_bus->bus_name, ret);
return ERROR;
}
return EOK;
}
Ubiquitous/XiUOS/board/aiit-arm32-board/third_party_driver/can/hardware_can.c
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