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data_io: use 2k sector buffer

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This commit is contained in:
Gyorgy Szombathelyi
2021-05-22 20:53:14 +02:00
parent 6417550b83
commit 2855dc22d5
1 changed files with 4 additions and 3 deletions
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7
data_io.c
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@@ -66,13 +66,13 @@ static void data_io_file_tx_send(FIL *file) {
while(bytes2send) {
iprintf(".");
unsigned short c, chunk = (bytes2send>512)?512:bytes2send;
unsigned short c, chunk = (bytes2send>2048)?2048:bytes2send;
char *p;
if (rom_direct_upload) {
// upload directly from the SD-Card if the core supports that
bytes2send = (file->obj.objsize + 511) & 0xfffffe00;
file->obj.objsize = bytes2send;
file->obj.objsize = bytes2send; // hack to foul FatFs think the last block is a full sector
f_read(file, 0, bytes2send, &br);
bytes2send = 0;
} else {
@@ -81,6 +81,7 @@ static void data_io_file_tx_send(FIL *file) {
EnableFpga();
SPI(DIO_FILE_TX_DAT);
// spi_write(sector_buffer, chunk); // DMA -- too fast for some cores
for(p = sector_buffer, c=0;c < chunk;c++)
SPI(*p++);
@@ -150,7 +151,7 @@ static void data_io_file_rx_receive(FIL *file, unsigned int len) {
while(bytes2receive) {
iprintf(".");
unsigned short c, chunk = (bytes2receive>512)?512:bytes2receive;
unsigned short c, chunk = (bytes2receive>2048)?2048:bytes2receive;
char *p;
EnableFpga();