diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2018-08-08 15:45:32 +0200 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2018-08-08 15:45:32 +0200 |
| commit | f4b31b88508892ca781ebb14716dc322e868b6db (patch) | |
| tree | 11ffb6fa4d8ce8c8821ea10fa62b17cd0d7f0024 /src | |
| parent | e7f1024732ee9bac13fbf2e2439106f9f3577db7 (diff) | |
Add 24LC64 EEPROM driver
Diffstat (limited to 'src')
| -rw-r--r-- | src/app/i2cdetect/main.cc | 13 | ||||
| -rw-r--r-- | src/driver/eeprom24lc64.cc | 26 | ||||
| -rw-r--r-- | src/driver/soft_i2c.cc | 2 |
3 files changed, 41 insertions, 0 deletions
diff --git a/src/app/i2cdetect/main.cc b/src/app/i2cdetect/main.cc index 5094fd5..4ec49d9 100644 --- a/src/app/i2cdetect/main.cc +++ b/src/app/i2cdetect/main.cc @@ -12,6 +12,9 @@ #ifdef DRIVER_AM2320 #include "driver/am2320.h" #endif +#ifdef DRIVER_EEPROM24LC64 +#include "driver/eeprom24lc64.h" +#endif #ifdef DRIVER_MAX44009 #include "driver/max44009.h" #endif @@ -40,6 +43,16 @@ void loop(void) kout.printf_float(max44009.getLux()); kout << endl; #endif +#ifdef DRIVER_EEPROM24LC64 + char buf[33]; + static unsigned char page = 0; + eeprom24lc64.writePage(page, "Hello, World! Und so weiter, lol"); + arch.delay_ms(10); + eeprom24lc64.readPage(page, buf); + buf[32] = '\0'; + kout << "Address " << page << ": " << buf << endl; + page++; +#endif #ifdef DRIVER_MMSIMPLE moody.toggleBlue(); #endif diff --git a/src/driver/eeprom24lc64.cc b/src/driver/eeprom24lc64.cc new file mode 100644 index 0000000..745514b --- /dev/null +++ b/src/driver/eeprom24lc64.cc @@ -0,0 +1,26 @@ +#include <stdlib.h> +#include "driver/eeprom24lc64.h" +#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C) +#include "driver/i2c.h" +#else +#include "driver/soft_i2c.h" +#endif + +void EEPROM24LC64::readPage(unsigned short addr, char *data) +{ + txbuf[0] = addr >> 8; + txbuf[1] = addr & 0x00ff; + i2c.xmit(address, 2, txbuf, 32, (unsigned char *)data); +} + +void EEPROM24LC64::writePage(unsigned short addr, char *data) +{ + txbuf[0] = addr >> 8; + txbuf[1] = addr & 0x00ff; + for (unsigned char i = 0; i < 32; i++) { + txbuf[i+2] = data[i]; + } + i2c.xmit(address, 34, txbuf, 0, NULL); +} + +EEPROM24LC64 eeprom24lc64(0x50); diff --git a/src/driver/soft_i2c.cc b/src/driver/soft_i2c.cc index cebd8be..33f77ab 100644 --- a/src/driver/soft_i2c.cc +++ b/src/driver/soft_i2c.cc @@ -140,6 +140,8 @@ signed char SoftI2C::xmit(unsigned char address, SoftI2C i2c(GPIO::d7, GPIO::d8); #elif MULTIPASS_ARCH_arduino_nano SoftI2C i2c(GPIO::pc4, GPIO::pc5); +#elif MULTIPASS_ARCH_blinkenrocket +SoftI2C i2c(GPIO::pc4, GPIO::pc5); #elif MULTIPASS_ARCH_msp430fr5969lp SoftI2C i2c(GPIO::p1_6, GPIO::p1_7); #endif |