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From d8db6d57f7c946759478eae88aae554fee4c366e Mon Sep 17 00:00:00 2001
From: Nicolas "Pixel" Noble <pixel@nobis-crew.org>
Date: Sat, 22 Jan 2011 03:52:48 +0100
Subject: [PATCH] Adding windows support for BusPirate.
---
src/jtag/drivers/buspirate.c | 135 ++++++++++++++++++++++++++++++++++-------
1 files changed, 112 insertions(+), 23 deletions(-)
diff --git a/src/jtag/drivers/buspirate.c b/src/jtag/drivers/buspirate.c
index 13819ba..d22f0d1 100644
--- a/src/jtag/drivers/buspirate.c
+++ b/src/jtag/drivers/buspirate.c
@@ -25,9 +25,13 @@
#include <jtag/interface.h>
#include <jtag/commands.h>
+#ifdef WIN32
+#include <windows.h>
+#else
#include <termios.h>
#include <fcntl.h>
#include <sys/ioctl.h>
+#endif
#undef DEBUG_SERIAL
/*#define DEBUG_SERIAL */
@@ -80,7 +84,14 @@ enum {
};
-static int buspirate_fd = -1;
+#ifdef WIN32
+typedef HANDLE fdt;
+#define fdtinvalid INVALID_HANDLE_VALUE
+#else
+typedef int fdt;
+#define fdtinvalid -1
+#endif
+static fdt buspirate_fd = fdtinvalid;
static int buspirate_pinmode = MODE_JTAG_OD;
static int buspirate_baudrate = SERIAL_NORMAL;
static int buspirate_vreg;
@@ -99,20 +110,20 @@ static void buspirate_tap_make_space(int scan, int bits);
static void buspirate_reset(int trst, int srst);
/* low level interface */
-static void buspirate_jtag_reset(int);
-static void buspirate_jtag_enable(int);
-static unsigned char buspirate_jtag_command(int, char *, int);
-static void buspirate_jtag_set_speed(int, char);
-static void buspirate_jtag_set_mode(int, char);
-static void buspirate_jtag_set_feature(int, char, char);
-static void buspirate_jtag_get_adcs(int);
+static void buspirate_jtag_reset(fdt fd);
+static void buspirate_jtag_enable(fdt fd);
+static unsigned char buspirate_jtag_command(fdt fd, char *, int);
+static void buspirate_jtag_set_speed(fdt fd, char);
+static void buspirate_jtag_set_mode(fdt fd, char);
+static void buspirate_jtag_set_feature(fdt fd, char, char);
+static void buspirate_jtag_get_adcs(fdt fd);
/* low level HW communication interface */
-static int buspirate_serial_open(char *port);
-static int buspirate_serial_setspeed(int fd, char speed);
-static int buspirate_serial_write(int fd, char *buf, int size);
-static int buspirate_serial_read(int fd, char *buf, int size);
-static void buspirate_serial_close(int fd);
+static fdt buspirate_serial_open(char *port);
+static int buspirate_serial_setspeed(fdt fd, char speed);
+static int buspirate_serial_write(fdt fd, char *buf, int size);
+static int buspirate_serial_read(fdt fd, char *buf, int size);
+static void buspirate_serial_close(fdt fd);
static void buspirate_print_buffer(char *buf, int size);
static int buspirate_speed(int speed)
@@ -217,7 +228,7 @@ static int buspirate_init(void)
}
buspirate_fd = buspirate_serial_open(buspirate_port);
- if (buspirate_fd == -1) {
+ if (buspirate_fd == fdtinvalid) {
LOG_ERROR("Could not open serial port.");
return ERROR_JTAG_INIT_FAILED;
}
@@ -267,7 +278,7 @@ COMMAND_HANDLER(buspirate_handle_adc_command)
return ERROR_OK;
}
- if (buspirate_fd == -1)
+ if (buspirate_fd == fdtinvalid)
return ERROR_OK;
/* send the command */
@@ -703,7 +714,7 @@ static void buspirate_reset(int trst, int srst)
}
/*************** jtag lowlevel functions ********************/
-static void buspirate_jtag_enable(int fd)
+static void buspirate_jtag_enable(fdt fd)
{
int ret;
char tmp[21] = { [0 ... 20] = 0x00 };
@@ -750,7 +761,7 @@ static void buspirate_jtag_enable(int fd)
}
-static void buspirate_jtag_reset(int fd)
+static void buspirate_jtag_reset(fdt fd)
{
int ret;
char tmp[5];
@@ -766,7 +777,7 @@ static void buspirate_jtag_reset(int fd)
LOG_ERROR("Bad reply :( Please restart manually");
}
-static void buspirate_jtag_set_speed(int fd, char speed)
+static void buspirate_jtag_set_speed(fdt fd, char speed)
{
int ret;
char tmp[2];
@@ -799,7 +810,7 @@ static void buspirate_jtag_set_speed(int fd, char speed)
}
-static void buspirate_jtag_set_mode(int fd, char mode)
+static void buspirate_jtag_set_mode(fdt fd, char mode)
{
char tmp[2];
tmp[0] = CMD_PORT_MODE;
@@ -807,7 +818,7 @@ static void buspirate_jtag_set_mode(int fd, char mode)
buspirate_jtag_command(fd, tmp, 2);
}
-static void buspirate_jtag_set_feature(int fd, char feat, char action)
+static void buspirate_jtag_set_feature(fdt fd, char feat, char action)
{
char tmp[3];
tmp[0] = CMD_FEATURE;
@@ -816,7 +827,7 @@ static void buspirate_jtag_set_feature(int fd, char feat, char action)
buspirate_jtag_command(fd, tmp, 3);
}
-static void buspirate_jtag_get_adcs(int fd)
+static void buspirate_jtag_get_adcs(fdt fd)
{
uint8_t tmp[10];
uint16_t a, b, c, d;
@@ -833,7 +844,7 @@ static void buspirate_jtag_get_adcs(int fd)
((float)c)/155.1515, ((float)d)/155.1515);
}
-static unsigned char buspirate_jtag_command(int fd,
+static unsigned char buspirate_jtag_command(fdt fd,
char *cmd, int cmdlen)
{
int res;
@@ -869,7 +880,84 @@ static unsigned char buspirate_jtag_command(int fd,
}
/* low level serial port */
-/* TODO add support for WIN32 and others ! */
+#ifdef WIN32
+static HANDLE buspirate_serial_open(char *port)
+{
+ return CreateFile(port, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+}
+
+static int buspirate_serial_setspeed(HANDLE fd, char speed)
+{
+ DCB dcbSerialParams;
+ dcbSerialParams.DCBlength = sizeof(dcbSerialParams);
+ if (!GetCommState(fd, &dcbSerialParams))
+ return -1;
+
+ dcbSerialParams.BaudRate = (speed == SERIAL_FAST) ? CBR_256000 : CBR_115200;
+ dcbSerialParams.ByteSize = 8;
+ dcbSerialParams.StopBits = ONESTOPBIT;
+ dcbSerialParams.Parity = NOPARITY;
+
+ if (!SetCommState(fd, &dcbSerialParams))
+ return -1;
+
+ return 0;
+}
+
+static int buspirate_serial_write(HANDLE fd, char *buf, int size)
+{
+ DWORD in = size, ret = 0;
+
+ if (!WriteFile(fd, buf, in, &ret, NULL)) {
+ LOG_ERROR("Error sending data");
+ ret = 0;
+ }
+
+ LOG_DEBUG("size = %d ret = %u", size, (unsigned int) ret);
+ buspirate_print_buffer(buf, size);
+
+ if (ret != (unsigned int) size)
+ LOG_ERROR("Error sending data");
+
+ return ret;
+}
+
+static int buspirate_serial_read(HANDLE fd, char *buf, int size)
+{
+ DWORD len = 0;
+ DWORD ret = 0;
+ int timeout = 0;
+
+ while (len < (unsigned int) size) {
+ if (!ReadFile(fd, buf + len, size - len, &ret, NULL))
+ return -1;
+
+ if (ret == 0) {
+ timeout++;
+
+ if (timeout >= 10)
+ break;
+
+ continue;
+ }
+
+ len += ret;
+ }
+
+ LOG_DEBUG("should have read = %d actual size = %u", size, (unsigned int) len);
+ buspirate_print_buffer(buf, len);
+
+ if (len != (unsigned int) size)
+ LOG_ERROR("Error receiving data");
+
+ return len;
+}
+
+static void buspirate_serial_close(HANDLE fd)
+{
+ CloseHandle(fd);
+}
+#else
static int buspirate_serial_open(char *port)
{
int fd;
@@ -954,6 +1042,7 @@ static void buspirate_serial_close(int fd)
{
close(fd);
}
+#endif
#define LINE_SIZE 81
#define BYTES_PER_LINE 16
--
1.7.2.3
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