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| author | Daisuke Nojiri <dnojiri@chromium.org> | 2016-10-03 12:51:52 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-10-05 20:58:20 -0700 |
| commit | 3afd683d683f482f003405c721800e3ba2ccb637 (patch) | |
| tree | 0d4a7a23b273d09cbe46f49f5c41eb56ceb3db2b /board/nucleo-f072rb | |
| parent | 8c22c2dcd7397cddd78e518f808212a0ac86df90 (diff) | |
| download | chrome-ec-3afd683d683f482f003405c721800e3ba2ccb637.tar.gz | |
cts: Add I2C tests for read8/16/32 and write8/16/32
This patch adds tests for i2c_read8/16/32 and i2c_write8/16/32.
BUG=chromium:653183
BRANCH=none
TEST=make buildall. Run cts.py -m i2c for 100kHz with 10k ohms
pull-up registers on SCL and SDA. TH=stm32l476g-eval DUT=nucleo-f072rb.
Change-Id: I8121b1c5dc7542da45141543e35036ef41364c38
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/393331
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'board/nucleo-f072rb')
| -rw-r--r-- | board/nucleo-f072rb/board.c | 10 | ||||
| -rw-r--r-- | board/nucleo-f072rb/board.h | 5 | ||||
| -rw-r--r-- | board/nucleo-f072rb/gpio.inc | 6 |
3 files changed, 21 insertions, 0 deletions
diff --git a/board/nucleo-f072rb/board.c b/board/nucleo-f072rb/board.c index 7bbfdfab39..c3489a9617 100644 --- a/board/nucleo-f072rb/board.c +++ b/board/nucleo-f072rb/board.c @@ -8,6 +8,8 @@ #include "hooks.h" #include "registers.h" #include "task.h" +#include "i2c.h" +#include "timer.h" void button_event(enum gpio_signal signal) { @@ -26,6 +28,14 @@ void tick_event(void) } DECLARE_HOOK(HOOK_TICK, tick_event, HOOK_PRIO_DEFAULT); +#ifdef CTS_MODULE_I2C +const struct i2c_port_t i2c_ports[] = { + {"test", STM32_I2C1_PORT, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, +}; + +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); +#endif + /****************************************************************************** * Initialize board. */ diff --git a/board/nucleo-f072rb/board.h b/board/nucleo-f072rb/board.h index 6c934f8450..c008deb395 100644 --- a/board/nucleo-f072rb/board.h +++ b/board/nucleo-f072rb/board.h @@ -18,6 +18,11 @@ /* Optional features */ #define CONFIG_STM_HWTIMER32 +#ifdef CTS_MODULE_I2C +#define CONFIG_I2C +#define CONFIG_I2C_MASTER +#endif + #undef CONFIG_WATCHDOG_HELP #undef CONFIG_LID_SWITCH diff --git a/board/nucleo-f072rb/gpio.inc b/board/nucleo-f072rb/gpio.inc index 7b38555ef8..3515d5ca84 100644 --- a/board/nucleo-f072rb/gpio.inc +++ b/board/nucleo-f072rb/gpio.inc @@ -19,6 +19,12 @@ UNIMPLEMENTED(WP_L) ALTERNATE(PIN_MASK(A, 0x000C), 1, MODULE_UART, 0) /* USART2: PA2/PA3 */ +GPIO(I2C1_SCL, PIN(B, 6), GPIO_ODR_HIGH) /* I2C port 1 SCL */ +GPIO(I2C1_SDA, PIN(B, 7), GPIO_ODR_HIGH) /* I2C port 1 SDA */ + +/* I2C1: PB6/7*/ +ALTERNATE(PIN_MASK(B, 0x00C0), GPIO_ALT_F1, MODULE_I2C, GPIO_PULL_UP) + #ifdef CTS_MODULE /* CTS Signals */ GPIO(HANDSHAKE_INPUT, PIN(A, 4), GPIO_INPUT | GPIO_PULL_UP) |