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st7735: Added text feature and documentation with license

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Signed-off-by: Kiveisha Yevgeniy <yevgeniy.kiveisha@intel.com>
This commit is contained in:
Kiveisha Yevgeniy
2014-06-16 12:32:59 +00:00
parent 2c1baf66b5
commit 8fe679494c
6 changed files with 617 additions and 162 deletions
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104
src/st7735/st7735.cxx
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@@ -32,14 +32,14 @@
using namespace upm;
ST7735::ST7735 (uint8_t csLCD, uint8_t cSD, uint8_t rs, uint8_t rst) : GFX (160, 128) {
ST7735::ST7735 (uint8_t csLCD, uint8_t cSD, uint8_t rs, uint8_t rst) : GFX (160, 128, m_map, font) {
maa_init();
m_csLCD = csLCD;
m_cSD = cSD;
m_rST = rst;
m_rS = rs;
initModule ();
configModule ();
}
@@ -71,7 +71,7 @@ ST7735::~ST7735 () {
void
ST7735::initModule () {
maa_result_t error = MAA_SUCCESS;
m_height = 160;
m_width = 128;
@@ -86,13 +86,13 @@ ST7735::initModule () {
fprintf (stderr, "Are you sure that pin%d you requested is valid on your platform?", m_cSD);
exit (1);
}
m_rSTPinCtx = maa_gpio_init (m_rST);
if (m_rSTPinCtx == NULL) {
fprintf (stderr, "Are you sure that pin%d you requested is valid on your platform?", m_rST);
exit (1);
}
m_rSPinCtx = maa_gpio_init (m_rS);
if (m_rSPinCtx == NULL) {
fprintf (stderr, "Are you sure that pin%d you requested is valid on your platform?", m_rS);
@@ -108,12 +108,12 @@ ST7735::initModule () {
if (error != MAA_SUCCESS) {
maa_result_print (error);
}
error = maa_gpio_dir (m_rSTPinCtx, MAA_GPIO_OUT);
if (error != MAA_SUCCESS) {
maa_result_print (error);
}
error = maa_gpio_dir (m_rSPinCtx, MAA_GPIO_OUT);
if (error != MAA_SUCCESS) {
maa_result_print (error);
@@ -124,7 +124,7 @@ ST7735::initModule () {
if (error != MAA_SUCCESS) {
maa_result_print (error);
}
lcdCSOn ();
}
@@ -140,7 +140,7 @@ ST7735::data (uint8_t value) {
maa_spi_write (m_spi, value);
}
void
void
ST7735::executeCMDList(const uint8_t *addr) {
uint8_t numCommands, numArgs;
uint16_t ms;
@@ -165,45 +165,45 @@ ST7735::executeCMDList(const uint8_t *addr) {
}
}
void
void
ST7735::setAddrWindow(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1) {
uint8_t colstart, rowstart;
colstart = rowstart = 0;
write (ST7735_CASET); // Column addr set
rsHIGH ();
m_spiBuffer[0] = 0x00;
m_spiBuffer[0] = 0x00;
m_spiBuffer[1] = x0 + colstart; // XSTART
m_spiBuffer[2] = 0x00;
m_spiBuffer[3] = x1 + colstart; // XEND
maa_spi_write_buf(m_spi, m_spiBuffer, 4);
write (ST7735_RASET); // Row addr set
rsHIGH ();
m_spiBuffer[0] = 0x00;
m_spiBuffer[0] = 0x00;
m_spiBuffer[1] = y0 + rowstart; // YSTART
m_spiBuffer[2] = 0x00;
m_spiBuffer[3] = y1 + rowstart; // YEND
maa_spi_write_buf(m_spi, m_spiBuffer, 4);
write (ST7735_RAMWR); // write to RAM
}
void
void
ST7735::drawPixel(int16_t x, int16_t y, uint16_t color) {
if (MAA_SUCCESS != setPixel (x, y, color)) {
return;
}
refresh ();
}
void
void
ST7735::refresh () {
rsHIGH ();
int fragmentSize = m_height * m_width * 2 / 20;
for (int fragment = 0; fragment < 20; fragment++) {
maa_spi_write_buf(m_spi, &m_map[fragment * fragmentSize], fragmentSize);
@@ -215,72 +215,36 @@ ST7735::configModule() {
rsHIGH ();
lcdCSOff ();
lcdCSOn ();
maa_gpio_write (m_rSTPinCtx, HIGH);
usleep (500000);
maa_gpio_write (m_rSTPinCtx, LOW);
usleep (500000);
maa_gpio_write (m_rSTPinCtx, HIGH);
usleep (500000);
executeCMDList (Rcmd1);
executeCMDList (Rcmd2red);
executeCMDList (Rcmd3);
write (ST7735_MADCTL);
data (0xC0);
setAddrWindow (0, 0, m_width - 1, m_height - 1);
fillScreen (ST7735_BLACK);
refresh ();
}
void
ST7735::fill (int col, uint16_t* buff, int len) {
uint8_t colstart, rowstart;
uint8_t buf[len * 2];
colstart = 0;
write (ST7735_CASET); // Column addr set
rsHIGH ();
m_spiBuffer[0] = 0x00;
m_spiBuffer[1] = col + 1; // XSTART
m_spiBuffer[2] = 0x00;
m_spiBuffer[3] = col + 1; // XEND
maa_spi_write_buf(m_spi, m_spiBuffer, 4);
write (ST7735_RASET); // Row addr set
rsHIGH ();
m_spiBuffer[0] = 0x00;
m_spiBuffer[1] = 0x01; // YSTART
m_spiBuffer[2] = 0x00;
m_spiBuffer[3] = 0x9F; // YEND
maa_spi_write_buf(m_spi, m_spiBuffer, 4);
write (ST7735_RAMWR); // write to RAM
/*for (int idx = 0; idx < len; idx++) {
buf[idx*2] = buff[idx] >> 8;
buf[(idx*2)+1] = buff[idx];
}*/
rsHIGH ();
maa_spi_write_buf(m_spi, (uint8_t *)buff, len * 2);
}
maa_result_t
ST7735::lcdCSOn () {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_write (m_csLCDPinCtx, LOW);
if (error != MAA_SUCCESS) {
maa_result_print (error);
}
error = maa_gpio_write (m_cSDPinCtx, HIGH);
if (error != MAA_SUCCESS) {
maa_result_print (error);
@@ -292,7 +256,7 @@ ST7735::lcdCSOn () {
maa_result_t
ST7735::lcdCSOff () {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_write (m_csLCDPinCtx, HIGH);
if (error != MAA_SUCCESS) {
maa_result_print (error);
@@ -304,12 +268,12 @@ ST7735::lcdCSOff () {
maa_result_t
ST7735::sdCSOn () {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_write (m_cSDPinCtx, LOW);
if (error != MAA_SUCCESS) {
maa_result_print (error);
}
error = maa_gpio_write (m_csLCDPinCtx, HIGH);
if (error != MAA_SUCCESS) {
maa_result_print (error);
@@ -321,7 +285,7 @@ ST7735::sdCSOn () {
maa_result_t
ST7735::sdCSOff () {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_write (m_cSDPinCtx, HIGH);
if (error != MAA_SUCCESS) {
maa_result_print (error);
@@ -333,7 +297,7 @@ ST7735::sdCSOff () {
maa_result_t
ST7735::rsHIGH () {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_write (m_rSPinCtx, HIGH);
if (error != MAA_SUCCESS) {
maa_result_print (error);
@@ -345,7 +309,7 @@ ST7735::rsHIGH () {
maa_result_t
ST7735::rsLOW () {
maa_result_t error = MAA_SUCCESS;
error = maa_gpio_write (m_rSPinCtx, LOW);
if (error != MAA_SUCCESS) {
maa_result_print (error);