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[bsp/ls1cdev]drv_spi.c astyle格式化代码

This commit is contained in:
zhuangwei123 2018-06-10 10:52:05 +08:00
parent b05a5a6f3d
commit e7f78855bd
1 changed files with 30 additions and 30 deletions
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22
bsp/ls1cdev/drivers/drv_spi.c
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@ -19,7 +19,7 @@
*
* Change Logs:
* Date Author Notes
* 2017-11-02 勤为本 first version
* 2017-11-02 勤为本 first version
* 2018-06-09 zhuangwei add spi0 cs0 support,remove msd_init
*/
@ -70,28 +70,28 @@ static rt_err_t configure(struct rt_spi_device *device,
spi_base = ls1c_spi_get_base(SPIx);
{
// 使能SPI控制器，master模式，关闭中断
// 使能SPI控制器，master模式，关闭中断
reg_write_8(0x53, spi_base + LS1C_SPI_SPCR_OFFSET);
// 清空状态寄存器
// 清空状态寄存器
reg_write_8(0xc0, spi_base + LS1C_SPI_SPSR_OFFSET);
// 1字节产生中断，采样(读)与发送(写)时机同时
// 1字节产生中断，采样(读)与发送(写)时机同时
reg_write_8(0x03, spi_base + LS1C_SPI_SPER_OFFSET);
// 关闭SPI flash
// 关闭SPI flash
val = reg_read_8(spi_base + LS1C_SPI_SFC_PARAM_OFFSET);
val &= 0xfe;
reg_write_8(val, spi_base + LS1C_SPI_SFC_PARAM_OFFSET);
// spi flash时序控制寄存器
// spi flash时序控制寄存器
reg_write_8(0x05, spi_base + LS1C_SPI_SFC_TIMING_OFFSET);
}
// baudrate
ls1c_spi_set_clock(spi_base, configuration->max_hz);
// 设置通信模式(时钟极性和相位)
// 设置通信模式(时钟极性和相位)
if (configuration->mode & RT_SPI_CPOL) // cpol
{
cpol = SPI_CPOL_1;
@ -149,7 +149,7 @@ static rt_uint32_t xfer(struct rt_spi_device *device,
ls1c_spi_set_cs(spi_base, cs, 0);
}
// 收发数据
// 收发数据
send_ptr = message->send_buf;
recv_ptr = message->recv_buf;
while (size--)
@ -201,9 +201,9 @@ static struct rt_spi_bus spi1_bus;
/*
* 初始化并注册龙芯1c的spi总线
* @SPI SPI总线，比如LS1C_SPI_0， LS1C_SPI_1
* @spi_bus_name 总线名字
* 初始化并注册龙芯1c的spi总线
* @SPI SPI总线，比如LS1C_SPI_0， LS1C_SPI_1
* @spi_bus_name 总线名字
* @ret
*/
rt_err_t ls1c_spi_bus_register(rt_uint8_t SPI, const char *spi_bus_name)