zecfoundation
/
zcash-fpga
mirror of https://github.com/ZcashFoundation/zcash-fpga.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Updates to c program

This commit is contained in:
bsdevlin 2019-06-29 14:28:27 +08:00
parent e598251549
commit 625d9484bf
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
aws/cl_zcash/software/runtime/test_zcash.c
View File

@ -207,11 +207,6 @@ int read_stream(uint8_t* data, unsigned int size) {
int read_len = 0;
int rc;
if (size == 0) {
printf("WARNING: Size was 0, cannot read into empty buffer!\n");
return 0;
}
rc = fpga_pci_peek(pci_bar_handle_bar0, AXI_FIFO_OFFSET, &rdata);
fail_on(rc, out, "Unable to read from FPGA!");
if ((rdata & (1 << 26)) == 0) return 0; // Nothing to read
@ -228,8 +223,14 @@ int read_stream(uint8_t* data, unsigned int size) {
rc = fpga_pci_peek(pci_bar_handle_bar0, AXI_FIFO_OFFSET + 0x24ULL, &rdata); //RLR - length of packet in bytes
fail_on(rc, out, "Unable to read from FPGA!");
printf("INFO: Read FIFO shows %d waiting to be read from FPGA\n", rdata);
while(rdata > 0 && size >= read_len+8) {
if (size < rdata) {
printf("ERROR: Size of buffer (%d bytes) not big enough to read data!\n", size);
return 0;
}
while(read_len < rdata) {
if (AXI4_enabled) {
rc = fpga_pci_peek64(pci_bar_handle_bar4, 0x1000, (uint64_t*)(&data[read_len]));
fail_on(rc, out, "Unable to read from FPGA PCIS!");