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i2c

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This commit is contained in:
Lok Tep 2016-05-27 00:16:55 +02:00
parent 9ee3fe3f19
commit c00bb5d4a7
3 changed files with 1475 additions and 791 deletions
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2226
arch/arm/src/stm32f7/stm32_i2c.c
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File diff suppressed because it is too large Load Diff

6
configs/stm32f746-ws/nsh/defconfig
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@ -318,7 +318,7 @@ CONFIG_NSH_MMCSDMINOR=0
#
# Board-Specific Options
#
# CONFIG_LIB_BOARDCTL is not set
CONFIG_LIB_BOARDCTL=y
#
# RTOS Features
@ -907,8 +907,10 @@ CONFIG_READLINE_ECHO=y
# CONFIG_SYSTEM_UBLOXMODEM is not set
# CONFIG_SYSTEM_ZMODEM is not set
CONFIG_I2C_DRIVER=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_I2CTOOL_MINBUS=0
CONFIG_I2CTOOL_MINBUS=1
CONFIG_I2CTOOL_MAXBUS=1
CONFIG_I2CTOOL_MINADDR=0x03
CONFIG_I2CTOOL_MAXADDR=0x77

34
configs/stm32f746-ws/src/stm32_appinitialize.c
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@ -40,9 +40,38 @@
#include <nuttx/config.h>
#include <syslog.h>
#include <debug.h>
#include <nuttx/i2c/i2c_master.h>
#include <nuttx/leds/userled.h>
#include "stm32f746-ws.h"
#include <nuttx/leds/userled.h>
#include "stm32_i2c.h"
static void stm32f7_i2c_register(int bus)
{
FAR struct i2c_master_s *i2c;
int ret;
i2c = stm32f7_i2cbus_initialize(bus);
if (i2c == NULL)
{
dbg("ERROR: Failed to get I2C%d interface\n", bus);
}
else
{
ret = i2c_register(i2c, bus);
if (ret < 0)
{
dbg("ERROR: Failed to register I2C%d driver: %d\n", bus, ret);
stm32f7_i2cbus_uninitialize(i2c);
}
}
}
static void stm32f7_i2ctool(void)
{
stm32f7_i2c_register(1);
}
/****************************************************************************
* Public Functions
@ -60,6 +89,9 @@
int board_app_initialize(void)
{
/* Register I2C drivers on behalf of the I2C tool */
stm32f7_i2ctool();
return OK;
}