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

* 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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@ -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);

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@ -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

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@ -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)

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@ -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,

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@ -22,3 +22,9 @@
#define MATRIX_COL_PINS { D5 }
#define MATRIX_ROW_PINS { B2 }
#define UNUSED_PINS
// i2c_master defines
#define I2C1_SCL 0 // A2 on pinout = B0
#define I2C1_SDA 1 // A3 on pinout = B1
#define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATIVE_2
#define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATIVE_2

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@ -79,7 +79,7 @@
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#define HAL_USE_I2C TRUE
#endif
/**

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@ -42,4 +42,10 @@
* 5 for Teensy 3.x */
#define KINETIS_USB_USB0_IRQ_PRIORITY 5
/*
* I2C driver settings
*/
#define KINETIS_I2C_USE_I2C0 TRUE
#define KINETIS_I2C_I2C0_PRIORITY 4
#endif /* _MCUCONF_H_ */

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@ -22,3 +22,9 @@
#define MATRIX_COL_PINS { D5 }
#define MATRIX_ROW_PINS { B2 }
#define UNUSED_PINS
// i2c_master defines
#define I2C1_SCL 0 // A2 on pinout = B0
#define I2C1_SDA 1 // A3 on pinout = B1
#define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATIVE_2
#define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATIVE_2

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@ -79,7 +79,7 @@
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#define HAL_USE_I2C TRUE
#endif
/**

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@ -42,4 +42,10 @@
* 5 for Teensy 3.x */
#define KINETIS_USB_USB0_IRQ_PRIORITY 2
/*
* I2C driver settings
*/
#define KINETIS_I2C_USE_I2C0 TRUE
#define KINETIS_I2C_I2C0_PRIORITY 4
#endif /* _MCUCONF_H_ */

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@ -22,3 +22,10 @@
#if defined(STM32F1XX) || defined(STM32F2XX) || defined(STM32F4XX) || defined(STM32L1XX)
# define USE_I2CV1
#endif
// teensy
#if defined(K20x) || defined(KL2x)
# define USE_I2CV1
# define USE_I2CV1_CONTRIB // for some reason a bunch of ChibiOS-Contrib boards only have clock_speed
# define USE_GPIOV1
#endif