[PATCH 4/8] Debug code to simulate read/write to OSTC memory

[Anton Lundin]

This adds debug code to simulate the read and write to OSTC memory
dumps.
The OSTC configuration happens via writing whole 512 byte blocks to the
memory and this code is useful when debugging that process

Signed-off-by: Anton Lundin <glance at acc.umu.se>
---
 configuredivecomputerthreads.cpp | 71 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/configuredivecomputerthreads.cpp b/configuredivecomputerthreads.cpp
index ca29dff..b112bdf 100644
--- a/configuredivecomputerthreads.cpp
+++ b/configuredivecomputerthreads.cpp
@@ -65,6 +65,46 @@
 #define SUUNTO_VYPER_ALARM_DEPTH          0x68
 #define SUUNTO_VYPER_CUSTOM_TEXT_LENGHT   30
 
+#ifdef DEBUG_OSTC
+// Fake io to ostc memory banks
+#define hw_ostc_device_eeprom_read local_hw_ostc_device_eeprom_read
+#define hw_ostc_device_eeprom_write local_hw_ostc_device_eeprom_write
+#define hw_ostc_device_clock local_hw_ostc_device_clock
+#define OSTC_FILE "../OSTC-data-dump.bin"
+
+static dc_status_t local_hw_ostc_device_eeprom_read(void *ignored, unsigned char bank, unsigned char data[], unsigned int data_size)
+{
+	FILE *f;
+	if ((f = fopen(OSTC_FILE, "r")) == NULL)
+		return DC_STATUS_NODEVICE;
+	fseek(f, bank * 256, SEEK_SET);
+	if (fread(data, sizeof(unsigned char), data_size, f) != data_size) {
+		fclose(f);
+		return DC_STATUS_IO;
+	}
+	fclose(f);
+
+	return DC_STATUS_SUCCESS;
+}
+
+static dc_status_t local_hw_ostc_device_eeprom_write(void *ignored, unsigned char bank, unsigned char data[], unsigned int data_size)
+{
+	FILE *f;
+	if ((f = fopen(OSTC_FILE, "r+")) == NULL)
+		f = fopen(OSTC_FILE, "w");
+	fseek(f, bank * 256, SEEK_SET);
+	fwrite(data, sizeof(unsigned char), data_size, f);
+	fclose(f);
+
+	return DC_STATUS_SUCCESS;
+}
+
+static dc_status_t local_hw_ostc_device_clock(void *ignored, dc_datetime_t *time)
+{
+	qDebug() << "Setting OSTC time";
+	return DC_STATUS_SUCCESS;
+}
+#endif
 
 ReadSettingsThread::ReadSettingsThread(QObject *parent, device_data_t *data)
 	: QThread(parent), m_data(data)
@@ -76,6 +116,11 @@ void ReadSettingsThread::run()
 {
 	bool supported = false;
 	dc_status_t rc;
+#ifdef DEBUG_OSTC
+	if (strcmp(m_data->vendor, "Heinrichs Weikamp") == 0 && strcmp(m_data->product, "OSTC 2N") == 0)
+		rc = DC_STATUS_SUCCESS;
+	else
+#endif
 	rc = dc_device_open(&m_data->device, m_data->context, m_data->descriptor, m_data->devname);
 	if (rc == DC_STATUS_SUCCESS) {
 		DeviceDetails *m_deviceDetails = new DeviceDetails(0);
@@ -428,6 +473,32 @@ void ReadSettingsThread::run()
 			emit devicedetails(m_deviceDetails);
 			break;
 		}
+#ifdef DEBUG_OSTC
+		case DC_FAMILY_NULL:
+#endif
+		case DC_FAMILY_HW_OSTC: {
+			supported = true;
+			unsigned char data[256] = {};
+			rc = hw_ostc_device_eeprom_read(m_data->device, 0, data, sizeof(data));
+			if (rc == DC_STATUS_SUCCESS) {
+#ifdef DEBUG_OSTC
+				local_hw_ostc_device_eeprom_write(m_data->device, 0, data, sizeof(data));
+#endif
+			}
+			rc = hw_ostc_device_eeprom_read(m_data->device, 1, data, sizeof(data));
+			if (rc == DC_STATUS_SUCCESS) {
+#ifdef DEBUG_OSTC
+				local_hw_ostc_device_eeprom_write(m_data->device, 1, data, sizeof(data));
+#endif
+			}
+			rc = hw_ostc_device_eeprom_read(m_data->device, 2, data, sizeof(data));
+			if (rc == DC_STATUS_SUCCESS) {
+#ifdef DEBUG_OSTC
+				local_hw_ostc_device_eeprom_write(m_data->device, 2, data, sizeof(data));
+#endif
+			}
+			break;
+		}
 #endif	// divecomputer 0.5.0
 		default:
 			supported = false;
-- 
1.9.1