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wacom-usb: Accept a non-binary IHEX file for the touch update

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This commit is contained in:
Richard Hughes 2019-02-04 15:20:47 +00:00
parent 409ccd6142
commit 6fe54f23e0
1 changed files with 40 additions and 12 deletions
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52
plugins/wacom-usb/fu-wac-module-touch.c
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@ -12,6 +12,7 @@
#include "fu-wac-module-touch.h"
#include "fu-chunk.h"
#include "dfu-firmware.h"
struct _FuWacModuleTouch
{
@ -23,26 +24,53 @@ G_DEFINE_TYPE (FuWacModuleTouch, fu_wac_module_touch, FU_TYPE_WAC_MODULE)
static gboolean
fu_wac_module_touch_write_firmware (FuDevice *device, GBytes *blob, GError **error)
{
FuWacDevice *parent = FU_WAC_DEVICE (fu_device_get_parent (device));
DfuElement *element;
DfuImage *image;
FuWacModule *self = FU_WAC_MODULE (device);
const guint8 *data;
gsize blocks_total = 0;
gsize len = 0;
g_autoptr(GPtrArray) chunks = NULL;
g_autoptr(DfuFirmware) firmware = dfu_firmware_new ();
/* build each data packet */
data = g_bytes_get_data (blob, &len);
if (len % 128 != 0) {
/* load .hex file */
if (!dfu_firmware_parse_data (firmware, blob, DFU_FIRMWARE_PARSE_FLAG_NONE, error))
return FALSE;
/* check type */
if (dfu_firmware_get_format (firmware) != DFU_FIRMWARE_FORMAT_INTEL_HEX) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"expected firmware format is 'ihex', got '%s'",
dfu_firmware_format_to_string (dfu_firmware_get_format (firmware)));
return FALSE;
}
/* use the correct image from the firmware */
image = dfu_firmware_get_image (firmware, 0);
if (image == NULL) {
g_set_error_literal (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"firmware has to be padded to 128b");
"no firmware image");
return FALSE;
}
chunks = fu_chunk_array_new (data, (guint32) len,
0x0, /* addr_start */
0x0, /* page_sz */
128); /* packet_sz */
element = dfu_image_get_element_default (image);
if (element == NULL) {
g_set_error_literal (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"no firmware element");
return FALSE;
}
g_debug ("using element at addr 0x%0x",
(guint) dfu_element_get_address (element));
blob = dfu_element_get_contents (element);
/* build each data packet */
chunks = fu_chunk_array_new_from_bytes (blob,
0x0, /* addr_start */
0x0, /* page_sz */
128); /* packet_sz */
blocks_total = chunks->len + 2;
/* start, which will erase the module */
@ -57,7 +85,7 @@ fu_wac_module_touch_write_firmware (FuDevice *device, GBytes *blob, GError **err
fu_device_set_status (device, FWUPD_STATUS_DEVICE_WRITE);
for (guint i = 0; i < chunks->len; i++) {
FuChunk *chk = g_ptr_array_index (chunks, i);
guint8 buf[128+7];
guint8 buf[128+7] = { 0xff };
g_autoptr(GBytes) blob_chunk = NULL;
/* build G11T data packet */