diff options
Diffstat (limited to 'bsp/ls1cdev/libraries/ls1c_spi.c')
| -rw-r--r-- | bsp/ls1cdev/libraries/ls1c_spi.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/bsp/ls1cdev/libraries/ls1c_spi.c b/bsp/ls1cdev/libraries/ls1c_spi.c index 6ad39d964c..13cd8dc620 100644 --- a/bsp/ls1cdev/libraries/ls1c_spi.c +++ b/bsp/ls1cdev/libraries/ls1c_spi.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -53,7 +53,7 @@ void *ls1c_spi_get_base(unsigned char SPIx) void ls1c_spi_print_all_regs_info(void *spi_base) { printf("[%s] SPCR=0x%x, SPSR=0x%x, SPER=0x%x, SFC_PARAM=0x%x, SFC_SOFTCS=0x%x, SFC_TIMING=0x%x\r\n", - __FUNCTION__, + __FUNCTION__, reg_read_8(spi_base + LS1C_SPI_SPCR_OFFSET), reg_read_8(spi_base + LS1C_SPI_SPSR_OFFSET), reg_read_8(spi_base + LS1C_SPI_SPER_OFFSET), @@ -121,8 +121,8 @@ unsigned int ls1c_spi_get_div(unsigned int max_speed_hz) } break; } -/* - printf("[%s] clk=%ld, max_speed_hz=%d, div_tmp=%d, bit=%d\r\n", +/* + printf("[%s] clk=%ld, max_speed_hz=%d, div_tmp=%d, bit=%d\r\n", __FUNCTION__, clk, max_speed_hz, div_tmp, bit); */ return div_tmp; @@ -169,15 +169,15 @@ void ls1c_spi_set_mode(void *spi_base, unsigned char cpol, unsigned char cpha) unsigned char val = 0; val = reg_read_8(spi_base + LS1C_SPI_SPCR_OFFSET); - + // 设置时钟极性--cpol val &= (~LS1C_SPI_SPCR_CPOL_MASK); // cpol清0 val |= (cpol << LS1C_SPI_SPCR_CPOL_BIT); // 写入新的cpol - + // 设置时钟相位--cpha val &= (~LS1C_SPI_SPCR_CPHA_MASK); // cpha清0 val |= (cpha << LS1C_SPI_SPCR_CPHA_BIT); // 写入新的cpha - + reg_write_8(val, spi_base + LS1C_SPI_SPCR_OFFSET); return ; @@ -195,7 +195,7 @@ void ls1c_spi_set_cs(void *spi_base, unsigned char cs, int new_status) unsigned char val = 0; val = reg_read_8(spi_base + LS1C_SPI_SFC_SOFTCS_OFFSET); - val |= 0x01 << cs ; //对应的csen=1 + val |= 0x01 << cs ; //对应的csen=1 if (new_status) // cs = 1 { val |= (0x10 << cs); // 指定csn=1 @@ -223,7 +223,7 @@ void ls1c_spi_wait_txrx_done(void *spi_base) if (LS1C_SPI_SPSR_SPIF_MASK & reg_read_8(spi_base + LS1C_SPI_SPSR_OFFSET)) break; } - + return ; } |