FreeCalypso > hg > freecalypso-sw
view loadtools/tpinterf3.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | 6fb41cfa773d |
children |
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/* * The do_r16() and do_w16() functions implemented in this module * provide programmatic access to the r16 and w16 commands on the target. * They will be used to implement some flash operations. */ #include <sys/types.h> #include <stdio.h> #include <stdint.h> #include <string.h> #include <strings.h> #include <stdlib.h> extern char target_response_line[]; do_r16(addr, retptr) uint32_t addr; uint16_t *retptr; { char addr_arg[10], *argv[3]; int stat; char *strtoul_endp; sprintf(addr_arg, "%lx", (u_long) addr); argv[0] = "r16"; argv[1] = addr_arg; argv[2] = 0; tpinterf_make_cmd(argv); if (tpinterf_send_cmd() < 0) return(-1); stat = tpinterf_capture_output_oneline(1); if (stat != 1) { errout: fprintf(stderr, "error: malformed response to r16 command\n"); return(-1); } if (strlen(target_response_line) != 4) goto errout; *retptr = strtoul(target_response_line, &strtoul_endp, 16); if (strtoul_endp != target_response_line + 4) goto errout; return(0); } do_w16(addr, data) uint32_t addr; uint16_t data; { char addr_arg[10], data_arg[10], *argv[4]; sprintf(addr_arg, "%lx", (u_long) addr); sprintf(data_arg, "%lx", (u_long) data); argv[0] = "w16"; argv[1] = addr_arg; argv[2] = data_arg; argv[3] = 0; tpinterf_make_cmd(argv); if (tpinterf_send_cmd() < 0) return(-1); return tpinterf_pass_output(1); }