TuxMonkey/tronone-h7-scaffold
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ioc changed soft spi tft

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TuxMonkey
2026-07-20 16:29:06 +08:00
parent cda936d7e0
commit f92585831a
11 changed files with 271 additions and 152 deletions
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72
User_Code/module/periph/ws2812/ws2812.c
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@@ -22,6 +22,68 @@
#define WS2812_LowLevel 0xC0 // 0码
#define WS2812_HighLevel 0xF0 // 1码
static SPI_HandleTypeDef ws2812_spi;
static uint8_t ws2812_spi_initialized = 0U;
static uint8_t WS2812_SPI_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
if (ws2812_spi_initialized != 0U)
{
return 1U;
}
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI6;
PeriphClkInitStruct.Spi6ClockSelection = RCC_SPI6CLKSOURCE_HSE;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
return 0U;
}
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_SPI6_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF8_SPI6;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
ws2812_spi.Instance = SPI6;
ws2812_spi.Init.Mode = SPI_MODE_MASTER;
ws2812_spi.Init.Direction = SPI_DIRECTION_2LINES_TXONLY;
ws2812_spi.Init.DataSize = SPI_DATASIZE_8BIT;
ws2812_spi.Init.CLKPolarity = SPI_POLARITY_LOW;
ws2812_spi.Init.CLKPhase = SPI_PHASE_2EDGE;
ws2812_spi.Init.NSS = SPI_NSS_SOFT;
ws2812_spi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
ws2812_spi.Init.FirstBit = SPI_FIRSTBIT_MSB;
ws2812_spi.Init.TIMode = SPI_TIMODE_DISABLE;
ws2812_spi.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
ws2812_spi.Init.CRCPolynomial = 0x0;
ws2812_spi.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
ws2812_spi.Init.NSSPolarity = SPI_NSS_POLARITY_LOW;
ws2812_spi.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA;
ws2812_spi.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
ws2812_spi.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
ws2812_spi.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE;
ws2812_spi.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE;
ws2812_spi.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE;
ws2812_spi.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE;
ws2812_spi.Init.IOSwap = SPI_IO_SWAP_DISABLE;
if (HAL_SPI_Init(&ws2812_spi) != HAL_OK)
{
return 0U;
}
ws2812_spi_initialized = 1U;
return 1U;
}
/**
* @brief
* @param [in] r My Param doc
@@ -32,20 +94,26 @@ void WS2812_Ctrl(uint8_t r, uint8_t g, uint8_t b)
{
uint8_t txbuf[24];
uint8_t res = 0;
if (WS2812_SPI_Init() == 0U)
{
return;
}
for (uint8_t i = 0; i < 8U; i++)
{
txbuf[7 - i] = (((g >> i) & 0x01) ? WS2812_HighLevel : WS2812_LowLevel) >> 1;
txbuf[15 - i] = (((r >> i) & 0x01) ? WS2812_HighLevel : WS2812_LowLevel) >> 1;
txbuf[23 - i] = (((b >> i) & 0x01) ? WS2812_HighLevel : WS2812_LowLevel) >> 1;
}
if (HAL_SPI_Transmit(&WS2812_SPI_UNIT, txbuf, sizeof(txbuf), WS2812_SPI_TIMEOUT) != HAL_OK)
if (HAL_SPI_Transmit(&ws2812_spi, txbuf, sizeof(txbuf), WS2812_SPI_TIMEOUT) != HAL_OK)
{
return;
}
for (uint8_t i = 0; i < WS2812_RESET_BYTES; i++)
{
if (HAL_SPI_Transmit(&WS2812_SPI_UNIT, &res, 1U, WS2812_SPI_TIMEOUT) != HAL_OK)
if (HAL_SPI_Transmit(&ws2812_spi, &res, 1U, WS2812_SPI_TIMEOUT) != HAL_OK)
{
return;
}