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Enable OLED support for Teensy 3.2/LC (#7591)

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* I2C_TIMEOUT is not defined on arm teensy

* Work round teensy having different ChibiOS config options

* Stash OLED conf files

* update comment

* update comment

* Remove stm32 alias to allow teensy alt mode
This commit is contained in:
Joel Challis 2020-07-25 22:50:56 +01:00 • committed by GitHub
parent db540e2832
commit d91987ab9a
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 54 additions and 12 deletions
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8
drivers/chibios/i2c_master.c
View file

@ -32,7 +32,9 @@
static uint8_t i2c_address;
static const I2CConfig i2cconfig = {
#ifdef USE_I2CV1
#if defined(USE_I2CV1_CONTRIB)
I2C1_CLOCK_SPEED,
#elif defined(USE_I2CV1)
I2C1_OPMODE,
I2C1_CLOCK_SPEED,
I2C1_DUTY_CYCLE,
@ -62,8 +64,8 @@ __attribute__((weak)) void i2c_init(void) {
chThdSleepMilliseconds(10);
#if defined(USE_GPIOV1)
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, I2C1_SCL_PAL_MODE);
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, I2C1_SDA_PAL_MODE);
#else
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);

9
drivers/chibios/i2c_master.h
View file

@ -81,7 +81,14 @@
# define I2C_DRIVER I2CD1
#endif
#ifndef USE_GPIOV1
#ifdef USE_GPIOV1
# ifndef I2C1_SCL_PAL_MODE
# define I2C1_SCL_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
# endif
# ifndef I2C1_SDA_PAL_MODE
# define I2C1_SDA_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
# endif
#else
// The default PAL alternate modes are used to signal that the pins are used for I2C
# ifndef I2C1_SCL_PAL_MODE
# define I2C1_SCL_PAL_MODE 4

10
drivers/oled/oled_driver.c
View file

@ -82,14 +82,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define I2C_CMD 0x00
#define I2C_DATA 0x40
#if defined(__AVR__)
// already defined on ARM
# define I2C_TIMEOUT 100
# define I2C_TRANSMIT_P(data) i2c_transmit_P((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
# define I2C_TRANSMIT_P(data) i2c_transmit_P((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), OLED_I2C_TIMEOUT)
#else // defined(__AVR__)
# define I2C_TRANSMIT_P(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
# define I2C_TRANSMIT_P(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), OLED_I2C_TIMEOUT)
#endif // defined(__AVR__)
#define I2C_TRANSMIT(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
#define I2C_WRITE_REG(mode, data, size) i2c_writeReg((OLED_DISPLAY_ADDRESS << 1), mode, data, size, I2C_TIMEOUT)
#define I2C_TRANSMIT(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), OLED_I2C_TIMEOUT)
#define I2C_WRITE_REG(mode, data, size) i2c_writeReg((OLED_DISPLAY_ADDRESS << 1), mode, data, size, OLED_I2C_TIMEOUT)
#define HAS_FLAGS(bits, flags) ((bits & flags) == flags)

4
drivers/oled/oled_driver.h
View file

@ -150,6 +150,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
# endif
#endif
#if !defined(OLED_I2C_TIMEOUT)
# define OLED_I2C_TIMEOUT 100
#endif
// OLED Rotation enum values are flags
typedef enum {
OLED_ROTATION_0 = 0,