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SPI3 support ssd1306 (#309)

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SPI3 support, SH1106 port
This commit is contained in:
Zaltora 2016-12-29 15:42:43 +01:00 • committed by Ruslan V. Uss
parent 0b063730f3
commit 14c8ff57ca
3 changed files with 208 additions and 36 deletions
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45
extras/ssd1306/ssd1306.h
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@ -28,6 +28,17 @@ extern "C"
{
#endif
/**
* SH1106 pump voltage value
*/
typedef enum
{
SH1106_VOLTAGE_74 = 0, // 7.4 Volt
SH1106_VOLTAGE_80, // 8.0 Volt
SH1106_VOLTAGE_84, // 8.4 Volt
SH1106_VOLTAGE_90 // 9.0 Volt
} sh1106_voltage_t;
/**
* I/O protocols
*/
@ -35,20 +46,32 @@ typedef enum
{
SSD1306_PROTO_I2C = 0, //!< I2C
SSD1306_PROTO_SPI4, //!< SPI 8 bits + D/C pin
SSD1306_PROTO_SPI3 //!< SPI 9 bits, currently not supported
SSD1306_PROTO_SPI3 //!< SPI 9 bits
} ssd1306_protocol_t;
/**
* Screen type
*/
typedef enum
{
SSD1306_SCREEN = 0,
SH1106_SCREEN
} ssd1306_screen_t;
/**
* Device descriptor
*/
typedef struct
{
ssd1306_protocol_t protocol;
ssd1306_screen_t screen ;
union {
#if (SSD1306_I2C_SUPPORT)
uint8_t addr; //!< I2C address, used by SSD1306_PROTO_I2C
uint8_t addr ; //!< I2C address, used by SSD1306_PROTO_I2C
#endif
uint8_t cs_pin ; //!< Chip Select GPIO pin, used by SSD1306_PROTO_SPI3, SSD1306_PROTO_SPI4
} ;
#if (SSD1306_SPI4_SUPPORT)
uint8_t cs_pin; //!< Chip Select GPIO pin, used by SSD1306_PROTO_SPI3, SSD1306_PROTO_SPI4
uint8_t dc_pin; //!< Data/Command GPIO pin, used by SSD1306_PROTO_SPI4
#endif
uint8_t width; //!< Screen width, currently supported 128px, 96px
@ -161,6 +184,22 @@ int ssd1306_set_display_start_line(const ssd1306_t *dev, uint8_t start);
*/
int ssd1306_set_display_offset(const ssd1306_t *dev, uint8_t offset);
/**
* Select charge pump voltage. See value in datasheet.
* @param dev Pointer to device descriptor
* @param select Select charge pump voltage value
* @return Non-zero if error occured
*/
int sh1106_set_charge_pump_voltage(const ssd1306_t *dev, sh1106_voltage_t select);
/**
* Select charge pump voltage. See value in datasheet.
* @param dev Pointer to device descriptor
* @param select Select charge pump voltage value
* @return Non-zero if error occured
*/
int sh1106_set_charge_pump_voltage(const ssd1306_t *dev, sh1106_voltage_t select);
/**
* Enable or disable the charge pump. See application note in datasheet.
* @param dev Pointer to device descriptor