mirror of
https://github.com/IcedRooibos/py32f0-template.git
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113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/***
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* Demo: Waveshare 1.54' E-Paper
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*
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* This demo requires 7.1 KByte RAM
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*
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* PY32 E-Paper
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* PA0 ------> Reset
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* PA1 ------> SCL/SCK
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* PA4 ------> Busy
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* PA5 ------> DC/A0
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* PA6 ------> CSN
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* PA7 ------> SDA/MOSI
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*
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* PA2 ------> TX
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* PA3 ------> RX
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*/
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#include "main.h"
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#include "py32f0xx_hal_spi.h"
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#include "py32f0xx_bsp_clock.h"
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#include "py32f0xx_bsp_printf.h"
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#include "EPD_Test.h"
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SPI_HandleTypeDef spi1Handle;
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static void APP_GPIO_Config(void);
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static void APP_SPI_Config(void);
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int main(void)
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{
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HAL_Init();
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BSP_HSI_24MHzClockConfig();
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BSP_USART_Config();
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printf("SystemClk:%ld\r\n", SystemCoreClock);
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APP_GPIO_Config();
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APP_SPI_Config();
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EPD_test();
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while (1);
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}
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void SPI_TxRxByte(uint8_t data)
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{
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HAL_SPI_Transmit(&spi1Handle, &data, 1, HAL_MAX_DELAY);
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}
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static void APP_GPIO_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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__HAL_RCC_GPIOA_CLK_ENABLE();
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// PA0 RESET
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GPIO_InitStruct.Pin = GPIO_PIN_0;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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// PA5 DC/A0
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GPIO_InitStruct.Pin = GPIO_PIN_5;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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// PA6 CS
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GPIO_InitStruct.Pin = GPIO_PIN_6;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* PA4 Busy (input) */
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GPIO_InitStruct.Pin = GPIO_PIN_4;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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}
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static void APP_SPI_Config(void)
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{
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spi1Handle.Instance = SPI1;
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spi1Handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
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spi1Handle.Init.Direction = SPI_DIRECTION_1LINE;
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spi1Handle.Init.CLKPolarity = SPI_POLARITY_LOW;
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spi1Handle.Init.CLKPhase = SPI_PHASE_1EDGE;
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spi1Handle.Init.DataSize = SPI_DATASIZE_8BIT;
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spi1Handle.Init.FirstBit = SPI_FIRSTBIT_MSB;
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spi1Handle.Init.NSS = SPI_NSS_SOFT;
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spi1Handle.Init.Mode = SPI_MODE_MASTER;
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if (HAL_SPI_DeInit(&spi1Handle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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if (HAL_SPI_Init(&spi1Handle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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void APP_ErrorHandler(void)
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{
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while (1);
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Export assert error source and line number
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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while (1);
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}
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#endif /* USE_FULL_ASSERT */
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