diff options
Diffstat (limited to 'shared-module/sharpdisplay/SharpMemoryFramebuffer.c')
| -rw-r--r-- | shared-module/sharpdisplay/SharpMemoryFramebuffer.c | 57 |
1 files changed, 14 insertions, 43 deletions
diff --git a/shared-module/sharpdisplay/SharpMemoryFramebuffer.c b/shared-module/sharpdisplay/SharpMemoryFramebuffer.c index 71e00d7f0..4b92bd637 100644 --- a/shared-module/sharpdisplay/SharpMemoryFramebuffer.c +++ b/shared-module/sharpdisplay/SharpMemoryFramebuffer.c @@ -38,27 +38,6 @@ #define SHARPMEM_BIT_WRITECMD_LSB (0x80) #define SHARPMEM_BIT_VCOM_LSB (0x40) -static inline void *hybrid_alloc(size_t sz) { - if (gc_alloc_possible()) { - return m_malloc(sz + sizeof(void*), true); - } else { - supervisor_allocation *allocation = allocate_memory(align32_size(sz), false); - if (!allocation) { - return NULL; - } - memset(allocation->ptr, 0, sz); - return allocation->ptr; - } -} - -static inline void hybrid_free(void *ptr_in) { - supervisor_allocation *allocation = allocation_from_ptr(ptr_in); - - if (allocation) { - free_memory(allocation); - } -} - STATIC uint8_t bitrev(uint8_t n) { uint8_t r = 0; for(int i=0;i<8;i++) r |= ((n>>i) & 1)<<(7-i); @@ -90,10 +69,6 @@ bool common_hal_sharpdisplay_framebuffer_get_pixels_in_byte_share_row(sharpdispl } void common_hal_sharpdisplay_framebuffer_reset(sharpdisplay_framebuffer_obj_t *self) { - if (!allocation_from_ptr(self->bufinfo.buf)) { - self->bufinfo.buf = NULL; - } - if (self->bus != &self->inline_bus #if BOARD_SPI && self->bus != common_hal_board_get_spi() @@ -105,7 +80,9 @@ void common_hal_sharpdisplay_framebuffer_reset(sharpdisplay_framebuffer_obj_t *s } void common_hal_sharpdisplay_framebuffer_reconstruct(sharpdisplay_framebuffer_obj_t *self) { - + // Look up the allocation by the old pointer and get the new pointer from it. + supervisor_allocation* alloc = allocation_from_ptr(self->bufinfo.buf); + self->bufinfo.buf = alloc ? alloc->ptr : NULL; } void common_hal_sharpdisplay_framebuffer_get_bufinfo(sharpdisplay_framebuffer_obj_t *self, mp_buffer_info_t *bufinfo) { @@ -113,7 +90,12 @@ void common_hal_sharpdisplay_framebuffer_get_bufinfo(sharpdisplay_framebuffer_ob int row_stride = common_hal_sharpdisplay_framebuffer_get_row_stride(self); int height = common_hal_sharpdisplay_framebuffer_get_height(self); self->bufinfo.len = row_stride * height + 2; - self->bufinfo.buf = hybrid_alloc(self->bufinfo.len); + supervisor_allocation* alloc = allocate_memory(align32_size(self->bufinfo.len), false, true); + if (alloc == NULL) { + m_malloc_fail(self->bufinfo.len); + } + self->bufinfo.buf = alloc->ptr; + memset(alloc->ptr, 0, self->bufinfo.len); uint8_t *data = self->bufinfo.buf; *data++ = SHARPMEM_BIT_WRITECMD_LSB; @@ -124,7 +106,9 @@ void common_hal_sharpdisplay_framebuffer_get_bufinfo(sharpdisplay_framebuffer_ob } self->full_refresh = true; } - *bufinfo = self->bufinfo; + if (bufinfo) { + *bufinfo = self->bufinfo; + } } void common_hal_sharpdisplay_framebuffer_deinit(sharpdisplay_framebuffer_obj_t *self) { @@ -138,7 +122,7 @@ void common_hal_sharpdisplay_framebuffer_deinit(sharpdisplay_framebuffer_obj_t * common_hal_reset_pin(self->chip_select.pin); - hybrid_free(self->bufinfo.buf); + free_memory(allocation_from_ptr(self->bufinfo.buf)); memset(self, 0, sizeof(*self)); } @@ -155,18 +139,7 @@ void common_hal_sharpdisplay_framebuffer_construct(sharpdisplay_framebuffer_obj_ self->height = height; self->baudrate = baudrate; - int row_stride = common_hal_sharpdisplay_framebuffer_get_row_stride(self); - self->bufinfo.len = row_stride * height + 2; - self->bufinfo.buf = gc_alloc(self->bufinfo.len, false, true); - - uint8_t *data = self->bufinfo.buf; - *data++ = SHARPMEM_BIT_WRITECMD_LSB; - - for(int y=0; y<self->height; y++) { - *data = bitrev(y+1); - data += row_stride; - } - self->full_refresh = true; + common_hal_sharpdisplay_framebuffer_get_bufinfo(self, NULL); } void common_hal_sharpdisplay_framebuffer_swapbuffers(sharpdisplay_framebuffer_obj_t *self, uint8_t *dirty_row_bitmask) { @@ -271,7 +244,5 @@ const framebuffer_p_t sharpdisplay_framebuffer_proto = { }; void common_hal_sharpdisplay_framebuffer_collect_ptrs(sharpdisplay_framebuffer_obj_t *self) { - gc_collect_ptr(self->framebuffer); gc_collect_ptr(self->bus); - gc_collect_ptr(self->bufinfo.buf); } |