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[ST7735] Free pointers from spi.write

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Docs for MRAA say ` The pointer return has to be free'd by the caller`

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Charles Allen 2016-05-03 07:57:50 -07:00 committed by Noel Eck
parent 05730dba68
commit dbb4f1749d
1 changed files with 3 additions and 3 deletions
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6
src/st7735/st7735.cxx
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@ -128,7 +128,7 @@ ST7735::setAddrWindow(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1) {
m_spiBuffer[1] = x0 + colstart; // XSTART
m_spiBuffer[2] = 0x00;
m_spiBuffer[3] = x1 + colstart; // XEND
m_spi.write(m_spiBuffer, 4);
free(m_spi.write(m_spiBuffer, 4));
write (ST7735_RASET); // Row addr set
@ -137,7 +137,7 @@ ST7735::setAddrWindow(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1) {
m_spiBuffer[1] = y0 + rowstart; // YSTART
m_spiBuffer[2] = 0x00;
m_spiBuffer[3] = y1 + rowstart; // YEND
m_spi.write(m_spiBuffer, 4);
free(m_spi.write(m_spiBuffer, 4));
write (ST7735_RAMWR); // write to RAM
}
@ -157,7 +157,7 @@ ST7735::refresh () {
int fragmentSize = m_height * m_width * 2 / 20;
for (int fragment = 0; fragment < 20; fragment++) {
m_spi.write(&m_map[fragment * fragmentSize], fragmentSize);
free(m_spi.write(&m_map[fragment * fragmentSize], fragmentSize));
}
}