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[BSP] fix the formating issue for drv_spi in ls2k

This commit is contained in:
BernardXiong 2021-09-25 11:53:23 +08:00
parent 5e643ff619
commit d9057a3263
1 changed files with 18 additions and 11 deletions
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29
bsp/ls2kdev/drivers/drv_spi.c
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@ -15,36 +15,38 @@
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <rtthread.h>
#include <drivers/spi.h>
#include "drv_spi.h"
#ifdef RT_USING_SPI
#ifdef RT_USING_SPI_GPIOCS
#include <drivers/pin.h>
#endif
static void spi_init(uint8_t spre_spr, uint8_t copl, uint8_t cpha)
{
SET_SPI(SPSR, 0xc0);
SET_SPI(SPSR, 0xc0);
SET_SPI(PARAM, 0x40);
SET_SPI(PARAM2, 0x01);
SET_SPI(SPER, (spre_spr & 0b00001100) >> 2);
SET_SPI(SPCR, 0x50 | copl << 3 | cpha << 2 | (spre_spr & 0b00000011));
SET_SPI(SPCR, 0x50 | copl << 3 | cpha << 2 | (spre_spr & 0b00000011));
SET_SPI(SOFTCS, 0xff);
}
static void spi_set_csn(uint8_t val)
rt_inline void spi_set_csn(uint8_t val)
{
SET_SPI(SOFTCS, val);
}
#ifdef RT_USING_SPI_GPIOCS
#include <drivers/pin.h>
#endif
static void spi_set_cs(unsigned char cs, int new_status)
static void spi_set_cs(unsigned char cs, int new_status)
{
if (cs < 4)
{
unsigned char val = 0;
val = GET_SPI(SOFTCS);
val |= 0x01 << cs ; // csen=1
val |= 0x01 << cs ; // csen=1
if (new_status) // cs = 1
{
val |= (0x10 << cs); // csn=1
@ -64,6 +66,7 @@ static void spi_set_cs(unsigned char cs, int new_status)
}
#endif
}
static uint8_t spi_write_for_response(uint8_t data)
{
uint8_t val;
@ -94,6 +97,7 @@ static int cmd_spi_init(int argc, char *argv[])
}
}
MSH_CMD_EXPORT(cmd_spi_init, cmd_spi_init);
static int cmd_spi_set_csn(int argc, char *argv[])
{
uint8_t val, csn;
@ -110,6 +114,7 @@ static int cmd_spi_set_csn(int argc, char *argv[])
}
}
MSH_CMD_EXPORT(cmd_spi_set_csn, cmd_spi_set_csn);
static int cmd_spi_write(int argc, char *argv[])
{
uint8_t data, resp;
@ -129,6 +134,7 @@ MSH_CMD_EXPORT(cmd_spi_write, cmd_spi_write);
static rt_err_t configure(struct rt_spi_device *device, struct rt_spi_configuration *configuration);
static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message);
const static unsigned char SPI_DIV_TABLE[] = {0b0000, 0b0001, 0b0100, 0b0010, 0b0011, 0b0101, 0b0110, 0b0111, 0b1000, 0b1001, 0b1010, 0b1011};
// 2 4 8 16 32 64 128 256 512 1024 2048 4096
static rt_err_t configure(struct rt_spi_device *device,
@ -171,8 +177,8 @@ static rt_err_t configure(struct rt_spi_device *device,
return RT_EOK;
}
static rt_uint32_t xfer(struct rt_spi_device *device,
struct rt_spi_message *message)
static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message)
{
unsigned char cs = 0;
@ -214,18 +220,19 @@ static rt_uint32_t xfer(struct rt_spi_device *device,
}
return message->length;
}
static struct rt_spi_ops loongson_spi_ops =
{
.configure = configure,
.xfer = xfer
};
static struct rt_spi_bus loongson_spi;
static int loongson_spi_init()
{
//rt_kprintf("spi_init\n");
return rt_spi_bus_register(&loongson_spi, "spi", &loongson_spi_ops);
}
INIT_BOARD_EXPORT(loongson_spi_init);
#endif
/*@}*/