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@@ -1,15 +1,15 @@
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-/* MAX7219 Interaction Code
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- * ---------------------------
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- * For more information see
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- * http://www.adnbr.co.uk/articles/max7219-and-7-segment-displays
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+/* MAX7219 Interaction Code
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+ * ---------------------------
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+ * For more information see
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+ * http://www.adnbr.co.uk/articles/max7219-and-7-segment-displays
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <shilow@ukr.net> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Shilov V.N.
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* ----------------------------------------------------------------------------
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- */
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-
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+ */
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+
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#include "max7219.h"
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#define SPI_PORT GPIOB
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@@ -32,36 +32,36 @@ void MAX7219_Init(void) {
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SPI_CPOL_High, SPI_CPHA_2Edge, SPI_Direction_1Line_Tx, SPI_NSS_Soft, 0x00);
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/* SPI Enable */
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SPI_Cmd(SPI1, ENABLE);
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-
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- /* Настройка MAX71219 */
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- MAX7219_WriteData(DecodeMode, 0x00); // все без BCD декодирования
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- MAX7219_WriteData(ScanLimit, MAX7219_DIGITS); // сколько цифр используем
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- MAX7219_WriteData(Intensity, MAX7219_BRIGHT); // яркость из 16
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- MAX7219_WriteData(Power, MAX7219_ON); // включили питание
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-
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-}
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-
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-void MAX7219_WriteData(max7219_reg_t reg, uint8_t data)
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+
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+ /* Настройка MAX71219 */
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+ MAX7219_WriteData(DecodeMode, 0x00); // все без BCD декодирования
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+ MAX7219_WriteData(ScanLimit, MAX7219_DIGITS); // сколько цифр используем
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+ MAX7219_WriteData(Intensity, MAX7219_BRIGHT); // яркость из 16
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+ MAX7219_WriteData(Power, MAX7219_ON); // включили питание
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+
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+}
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+
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+void MAX7219_WriteData(max7219_reg_t reg, uint8_t data)
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{
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/*!< Wait wait until the completion of the transfer. */
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while (SPI_GetFlagStatus(SPI1, SPI_FLAG_BSY) == SET) {}
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/* Down LOCK pin */
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- GPIO_ReseBits(SPI_PORT, SPI_NSS);
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+ GPIO_ResetBits(SPI_PORT, SPI_NSS);
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/*!< Wait until the transmit buffer is empty */
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while (SPI_GetFlagStatus(SPI1, SPI_FLAG_TXE) == RESET) {}
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/* Send the register where the data will be stored */
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//SPI_SendData(SPI1, reg);
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- SPI1->DR = reg; /* Write in the DR register the data to be sent*/
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+ SPI1->DR = reg; /* Write in the DR register the data to be sent*/
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/*!< Wait until the transmit buffer is empty */
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while (SPI_GetFlagStatus(SPI1, SPI_FLAG_TXE) == RESET) {}
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/* Send the data to be stored */
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//SPI_SendData(SPI1, data);
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- SPI1->DR = data; /* Write in the DR register the data to be sent*/
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+ SPI1->DR = data; /* Write in the DR register the data to be sent*/
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/*!< Wait wait until the completion of the transfer. */
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while (SPI_GetFlagStatus(SPI1, SPI_FLAG_BSY) == SET) {}
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/* Up LOCK pin */
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- GPIO_SetBits(SPI_PORT, SPI_NSS);
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-}
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+ GPIO_SetBits(SPI_PORT, SPI_NSS);
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+}
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Vladimir N. Shilov