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Get SD card reads working

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This commit is contained in:
Byron Lathi
2023-07-23 22:44:19 -07:00
parent d16675ed3c
commit 096472e084
4 changed files with 28 additions and 20 deletions
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2
sw/bootloader/Makefile
View File

@@ -15,7 +15,7 @@ LISTS=lists
TESTS=tests
SRCS=$(wildcard *.s) $(wildcard *.c)
SRCS+=$(filter-out $(wildcard tests/*), $(wildcard **/*.s)) $(filter-out $(wildcard tests/*) $(wildcard filesystem/*) devices/sd_print.c, $(wildcard **/*.c))
SRCS+=$(filter-out $(wildcard tests/*), $(wildcard **/*.s)) $(filter-out $(wildcard tests/*) $(wildcard filesystem/*), $(wildcard **/*.c))
OBJS+=$(patsubst %.s,%.o,$(filter %s,$(SRCS)))
OBJS+=$(patsubst %.c,%.o,$(filter %c,$(SRCS)))

4
sw/bootloader/devices/sd_card.c
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@@ -282,8 +282,6 @@ uint8_t SD_readSingleBlock(uint32_t addr, uint8_t *buf, uint8_t *token)
uint16_t readAttempts;
uint16_t i;
/*
// set token to none
*token = 0xFF;
@@ -326,8 +324,6 @@ uint8_t SD_readSingleBlock(uint32_t addr, uint8_t *buf, uint8_t *token)
spi_deselect(0);
spi_exchange(0xFF);
*/
return res1;
}

14
sw/bootloader/devices/sd_print.c
View File

@@ -3,6 +3,7 @@
#include "sd_print.h"
#include "sd_card.h"
/*
void SD_printR1(uint8_t res)
{
if(res == 0xFF)
@@ -26,7 +27,9 @@ void SD_printR1(uint8_t res)
if(IN_IDLE(res))
cputs("\tIn Idle State\r\n");
}
*/
/*
void SD_printR2(uint8_t *res)
{
SD_printR1(res[0]);
@@ -52,7 +55,9 @@ void SD_printR2(uint8_t *res)
if(CARD_LOCKED(res[1]))
cputs("\tCard Locked\r\n");
}
*/
/*
void SD_printR3(uint8_t *res)
{
SD_printR1(res[0]);
@@ -84,7 +89,9 @@ void SD_printR3(uint8_t *res)
if(VDD_3536(res[2])) cputs("3.5-3.6");
cputs("\r\n");
}
*/
/*
void SD_printR7(uint8_t *res)
{
SD_printR1(res[0]);
@@ -112,7 +119,9 @@ void SD_printR7(uint8_t *res)
cprintf("%x", res[4]);
cputs("\r\n");
}
*/
/*
void SD_printCSD(uint8_t *buf)
{
cputs("CSD:\r\n");
@@ -139,6 +148,7 @@ void SD_printCSD(uint8_t *buf)
cprintf("%x", buf[9]);
cputs("\r\n");
}
*/
void SD_printBuf(uint8_t *buf)
{
@@ -146,7 +156,7 @@ void SD_printBuf(uint8_t *buf)
uint16_t i;
for(i = 0; i < SD_BLOCK_LEN; i++)
{
cprintf("%x", *buf++);
cprintf("%2x", *buf++);
if(colCount == 19)
{
cputs("\r\n");
@@ -161,6 +171,7 @@ void SD_printBuf(uint8_t *buf)
cputs("\r\n");
}
/*
void SD_printDataErrToken(uint8_t token)
{
if(token & 0xF0)
@@ -174,3 +185,4 @@ void SD_printDataErrToken(uint8_t token)
if(SD_TOKEN_ERROR(token))
cputs("\tError\r\n");
}
*/

28
sw/bootloader/main.c
View File

@@ -24,31 +24,31 @@ int main() {
// initialize sd card
if(SD_init() != SD_SUCCESS)
{
cputs("Error init SD CARD\r\n");
cputs("Error\r\n");
}
else
{
cputs("SD Card init\r\n");
cputs("Success\r\n");
// read sector 0
// cputs("\r\nReading sector: 0x");
cputs("\r\nReading sector: 0x");
// ((uint8_t)(addr >> 24));
// cprintf("%x", (uint8_t)(addr >> 16));
// cprintf("%x", (uint8_t)(addr >> 8));
// cprintf("%x", (uint8_t)addr);
// res[0] = SD_readSingleBlock(addr, buf, &token);
// cputs("\r\nResponse:\r\n");
// //SD_printR1(res[0]);
res[0] = SD_readSingleBlock(addr, buf, &token);
cputs("\r\nResponse:\r\n");
//SD_printR1(res[0]);
// if no error, print buffer
// if((res[0] == 0x00) && (token == SD_START_TOKEN))
// SD_printBuf(buf);
// else if error token received, print
// else if(!(token & 0xF0))
// {
// cputs("Ercputsror token:\r\n");
// SD_printDataErrToken(token);
// }
if((res[0] == 0x00) && (token == SD_START_TOKEN))
SD_printBuf(buf);
//else if error token received, print
else if(!(token & 0xF0))
{
cputs("Error token:\r\n");
//SD_printDataErrToken(token);
}
// update address to 0x00000100
// addr = 0x00000100;