diff options
Diffstat (limited to 'ft2232_spi.c')
| -rw-r--r-- | ft2232_spi.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/ft2232_spi.c b/ft2232_spi.c index 36b8969..d8ca743 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -22,9 +22,12 @@ #include <stdint.h> #include <string.h> #include <stdlib.h> +#include <ctype.h> #include "flash.h" #include "spi.h" +char *ft2232spi_param = NULL; + #if FT2232_SPI_SUPPORT == 1 #include <ftdi.h> @@ -71,15 +74,47 @@ int ft2232_spi_init(void) struct ftdi_context *ftdic = &ftdic_context; unsigned char buf[512]; unsigned char port_val = 0; - + char *portpos = NULL; + int ft2232_type = FTDI_FT4232H; + enum ftdi_interface ft2232_interface = INTERFACE_B; if (ftdi_init(ftdic) < 0) { fprintf(stderr, "ftdi_init failed\n"); return EXIT_FAILURE; } - // f = ftdi_usb_open(ftdic, 0x0403, 0x6010); // FT2232 - f = ftdi_usb_open(ftdic, 0x0403, 0x6011); // FT4232 + if (ft2232spi_param && !strlen(ft2232spi_param)) { + free(ft2232spi_param); + ft2232spi_param = NULL; + } + if (ft2232spi_param) { + if (strstr(ft2232spi_param, "2232")) + ft2232_type = FTDI_FT2232H; + if (strstr(ft2232spi_param, "4232")) + ft2232_type = FTDI_FT4232H; + portpos = strstr(ft2232spi_param, "port="); + if (portpos) { + portpos += 5; + switch (toupper(*portpos)) { + case 'A': + ft2232_interface = INTERFACE_A; + break; + case 'B': + ft2232_interface = INTERFACE_B; + break; + default: + fprintf(stderr, "Invalid interface specified, " + "using default.\n"); + } + } + free(ft2232spi_param); + } + printf_debug("Using device type %s ", + (ft2232_type == FTDI_FT2232H) ? "2232H" : "4232H"); + printf_debug("interface %s\n", + (ft2232_interface == INTERFACE_A) ? "A" : "B"); + + f = ftdi_usb_open(ftdic, 0x0403, ft2232_type); if (f < 0 && f != -5) { fprintf(stderr, "Unable to open ftdi device: %d (%s)\n", f, @@ -87,8 +122,8 @@ int ft2232_spi_init(void) exit(-1); } - if (ftdi_set_interface(ftdic, INTERFACE_B) < 0) { - fprintf(stderr, "Unable to select FT2232 channel B: %s\n", + if (ftdi_set_interface(ftdic, ft2232_interface) < 0) { + fprintf(stderr, "Unable to select interface: %s\n", ftdic->error_str); } |
