diff options
| -rw-r--r-- | laser-tag software/epaper.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/laser-tag software/epaper.c b/laser-tag software/epaper.c index 1d3dfba..32427e5 100644 --- a/laser-tag software/epaper.c +++ b/laser-tag software/epaper.c @@ -9,9 +9,9 @@ typedef enum { /* Image pixel -> Display pixel */ EPD_normal /* B -> B, W -> W (New Image) */ } EPD_stage; -static const gpio_output_pin_user_config_t pinDischarge = { +static const gpio_output_pin_user_config_t pinReset = { .pinName = GPIO_MAKE_PIN(GPIOA_IDX, 19), - .config.outputLogic = 0, + .config.outputLogic = 1, }; static const gpio_output_pin_user_config_t pinCS = { @@ -45,7 +45,7 @@ void EPD_Init() PORT_HAL_SetMuxMode(g_portBase[GPIOD_IDX], 5, kPortMuxAlt2); PORT_HAL_SetMuxMode(g_portBase[GPIOD_IDX], 6, kPortMuxAlt2); PORT_HAL_SetMuxMode(g_portBase[GPIOD_IDX], 7, kPortMuxAlt2); - GPIO_DRV_OutputPinInit(&pinDischarge); + GPIO_DRV_OutputPinInit(&pinReset); GPIO_DRV_OutputPinInit(&pinCS); SPI_DRV_DmaMasterInit(1, &spiState); uint32_t calculatedBaudRate; @@ -195,6 +195,14 @@ void EPD_frame_repeat(const uint8_t *data, uint8_t fixed_value, EPD_stage stage) int EPD_Draw(const uint8_t *old_image, const uint8_t *new_image) { + /* Reset */ + GPIO_DRV_WritePinOutput(pinReset.pinName, 0); + GPIO_DRV_WritePinOutput(pinCS.pinName, 0); + EPD_Delay(5); + GPIO_DRV_WritePinOutput(pinReset.pinName, 1); + GPIO_DRV_WritePinOutput(pinCS.pinName, 1); + EPD_Delay(5); + /* read the COG ID */ uint8_t id = EPD_ReadCogID(); if ((id & 0x0f) != 0x02) { @@ -297,11 +305,6 @@ int EPD_Draw(const uint8_t *old_image, const uint8_t *new_image) EPD_WriteCommandByte(0x07, 0x01); EPD_Delay(50); - /* discharge external */ - GPIO_DRV_WritePinOutput(pinDischarge.pinName, 1); - EPD_Delay(150); - GPIO_DRV_WritePinOutput(pinDischarge.pinName, 0); - return 0; } |