diff options
Diffstat (limited to 'drivers/gdisp/ED060SC4/gdisp_lld_board_example.h')
| -rw-r--r-- | drivers/gdisp/ED060SC4/gdisp_lld_board_example.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/gdisp/ED060SC4/gdisp_lld_board_example.h b/drivers/gdisp/ED060SC4/gdisp_lld_board_example.h new file mode 100644 index 00000000..98f05ee8 --- /dev/null +++ b/drivers/gdisp/ED060SC4/gdisp_lld_board_example.h @@ -0,0 +1,127 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +/* Board interface definitions for ED060SC4 PrimeView E-ink panel. + * + * This file corresponds to the connections shown in example_schematics.png, + * and is designed to interface with ChibiOS/RT. + * + * Please note that this file has never been tested in exactly this pin + * configuration, because the actual boards I have are slightly different. + */ + +#ifndef _GDISP_LLD_BOARD_H +#define _GDISP_LLD_BOARD_H + +#include <hal.h> + +/* + * IO pins assignments. + */ +#define GPIOB_EINK_VDD 0 +#define GPIOB_EINK_GMODE 1 +#define GPIOB_EINK_SPV 2 +#define GPIOB_EINK_CKV 3 +#define GPIOB_EINK_CL 4 +#define GPIOB_EINK_LE 5 +#define GPIOB_EINK_OE 6 +#define GPIOB_EINK_SPH 7 +#define GPIOB_EINK_D0 8 +#define GPIOB_EINK_D1 9 +#define GPIOB_EINK_D2 10 +#define GPIOB_EINK_D3 11 +#define GPIOB_EINK_D4 12 +#define GPIOB_EINK_D5 13 +#define GPIOB_EINK_D6 14 +#define GPIOB_EINK_D7 15 + +#define GPIOC_SMPS_CTRL 13 +#define GPIOC_VPOS_CTRL 14 +#define GPIOC_VNEG_CTRL 15 + + +/* Set up IO pins for the panel connection. */ +static inline void init_board(void) { + /* Main SMPS power control, active low + * (open collector so that MOSFET gate can be pulled up to Vbat) */ + palWritePad(GPIOC, GPIOC_SMPS_CTRL, true); + palSetPadMode(GPIOC, GPIOC_SMPS_CTRL, PAL_MODE_OUTPUT_OPENDRAIN); + + /* Power control for the positive & negative side */ + palWritePad(GPIOC, GPIOC_VPOS_CTRL, false); + palSetPadMode(GPIOC, GPIOC_VPOS_CTRL, PAL_MODE_OUTPUT_PUSHPULL); + palWritePad(GPIOC, GPIOC_VNEG_CTRL, false); + palSetPadMode(GPIOC, GPIOC_VNEG_CTRL, PAL_MODE_OUTPUT_PUSHPULL); + + /* Main data bus */ + palWritePort(GPIOB, 0); + palSetGroupMode(GPIOB, 0xFFFF, 0, PAL_MODE_OUTPUT_PUSHPULL); +} + +/* Delay for display waveforms. Should be an accurate microsecond delay. */ +static void eink_delay(int us) +{ + halPolledDelay(US2RTT(us)); +} + +/* Turn the E-ink panel Vdd supply (+3.3V) on or off. */ +static inline void setpower_vdd(bool_t on) { + palWritePad(GPIOB, GPIOB_SMPS_CTRL, !on); + palWritePad(GPIOA, GPIOA_EINK_VDD, on); +} + +/* Turn the E-ink panel negative supplies (-15V, -20V) on or off. */ +static inline void setpower_vneg(bool_t on) { + palWritePad(GPIOA, GPIOA_VNEG_CTRL, on); +} + +/* Turn the E-ink panel positive supplies (-15V, -20V) on or off. */ +static inline void setpower_vpos(bool_t on) { + palWritePad(GPIOA, GPIOA_VPOS_CTRL, on); +} + +/* Set the state of the LE (source driver Latch Enable) pin. */ +static inline void setpin_le(bool_t on) { + palWritePad(GPIOB, GPIOB_EINK_LE, on); +} + +/* Set the state of the OE (source driver Output Enable) pin. */ +static inline void setpin_oe(bool_t on) { + palWritePad(GPIOB, GPIOB_EINK_OE, on); +} + +/* Set the state of the CL (source driver Clock) pin. */ +static inline void setpin_cl(bool_t on) { + palWritePad(GPIOB, GPIOB_EINK_CL, on); +} + +/* Set the state of the SPH (source driver Start Pulse Horizontal) pin. */ +static inline void setpin_sph(bool_t on) { + palWritePad(GPIOB, GPIOB_EINK_SPH, on); +} + +/* Set the state of the D0-D7 (source driver Data) pins. */ +static inline void setpins_data(uint8_t value) { + palWriteGroup(GPIOB, 0xFF, GPIOB_EINK_D0, value); +} + +/* Set the state of the CKV (gate driver Clock Vertical) pin. */ +static inline void setpin_ckv(bool_t on) { + palWritePad(GPIOB, GPIOB_EINK_CKV, on); +} + +/* Set the state of the GMODE (gate driver Gate Mode) pin. */ +static inline void setpin_gmode(bool_t on) { + palWritePad(GPIOC, GPIOC_EINK_GMODE, on); +} + +/* Set the state of the SPV (gate driver Start Pulse Vertical) pin. */ +static inline void setpin_spv(bool_t on) { + palWritePad(GPIOB, GPIOB_EINK_SPV, on); +} + +#endif |