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soft-SPI driver for edu-riscv64,which mainly for SDcard. edu-riscv64 examples including filesystem/RS485/gpio/loraE220/RTC from Wu_zheng

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it is OK
This commit is contained in:
xuedongliang
2022-11-16 15:22:09 +08:00
parent afc27bce65 f22fbc3c94
commit 992b8f62ab
47 changed files with 3938 additions and 39 deletions
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Ubiquitous/XiZi_IIoT/resources/include/sd_spi.h
+2 -2
View File
@@ -28,11 +28,11 @@
extern "C" {
#endif
#define SPI_SD_FREQUENCY 400000
#define SPI_SD_FREQUENCY 400000
#define SPI_SD_TIMEOUT_NUM 100
#define SD_CMD_RESPONE_LENGTH 5
#define SD_CMD_CSD_LENGTH 16
#define SD_BLOCK_LENGTH 512
#define SD_BLOCK_LENGTH 512
#define SD_TIMEOUT(cnt, time) \
do \
Ubiquitous/XiZi_IIoT/resources/spi/sd_card_spi/sd_spi.c
+5 -7
View File
@@ -96,9 +96,8 @@ static uint32 SdSendCmdByte(SpiSdDeviceType spi_sd_dev, struct SdCmdParam *sd_cm
if ((SD_CMD_17 == sd_cmd_param->sd_cmd_type) || (SD_CMD_18 == sd_cmd_param->sd_cmd_type)) {
MdelayKTask(100);
}
SD_TIMEOUT(start_time, 2 * SPI_SD_TIMEOUT_NUM);
}while((0 != (read[0] & 0x80)));
}while(0 != (read[0] & 0x80));
switch (sd_cmd_param->sd_respone_type)
{
@@ -672,7 +671,7 @@ static uint32 SdHwReadCSD(SpiSdDeviceType spi_sd_dev)
g_sd_cmd_param.sd_cmd_type = SD_CMD_9;
g_sd_cmd_param.sd_cmd_args = 0x00;
g_sd_cmd_param.sd_cmd_crc = 0x00;
g_sd_cmd_param.sd_respone_type = SD_RESPONE_2;
g_sd_cmd_param.sd_respone_type = SD_RESPONE_1;
/*pull down the cs pin*/
SpiDevConfigureCs(&spi_sd_dev->spi_dev->haldev, 1, 0);
@@ -691,7 +690,7 @@ static uint32 SdHwReadCSD(SpiSdDeviceType spi_sd_dev)
if (0xFE != g_sd_cmd_param.sd_respone_data[1]) {
/*Step2 : SPI write data 0xFF until read 0xFE*/
uint8 data = 0xFF;
uint8 read_spi;
uint8 read_spi=0x00;
uint32 start_time;
write_param.buffer = (void *)&data;
@@ -705,7 +704,6 @@ static uint32 SdHwReadCSD(SpiSdDeviceType spi_sd_dev)
{
BusDevWriteData(&spi_sd_dev->spi_dev->haldev, &write_param);
BusDevReadData(&spi_sd_dev->spi_dev->haldev, &read_param);
SD_TIMEOUT(start_time, 10 * SPI_SD_TIMEOUT_NUM);
}while(0xFE != read_spi);
}
@@ -768,7 +766,7 @@ static uint32 SdReadSingleBlock(SpiSdDeviceType spi_sd_dev, uint32 id, uint8 *re
return ERROR;
}
/*Step2 : SPI write data 0xFF until read 0xFE*/
/*Step2 : SPI read until 0xFE*/
uint8 data = 0xFF;
uint8 read[2];
uint32 start_time;
@@ -782,7 +780,6 @@ static uint32 SdReadSingleBlock(SpiSdDeviceType spi_sd_dev, uint32 id, uint8 *re
do
{
BusDevWriteData(&spi_sd_dev->spi_dev->haldev, &write_param);
BusDevReadData(&spi_sd_dev->spi_dev->haldev, &read_param);
SD_TIMEOUT(start_time, 100 * SPI_SD_TIMEOUT_NUM);
@@ -1077,6 +1074,7 @@ static uint32 SdWriteMultiBlock(SpiSdDeviceType spi_sd_dev, uint32 id, const voi
}
/*Step8 : SPI write 0xFD, multi block write data done*/
data = 0xFD;
write_param.buffer = (void *)&data;
write_param.size = 1;
BusDevWriteData(&spi_sd_dev->spi_dev->haldev, &write_param);