therm Changeset - facb8c86942c · protofusion repositories

Changeset - facb8c86942c

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cortex-f0

0 2 0

Ethan Zonca - 10 years ago 2015-01-25 15:50:38
ez@ethanzonca.com

Removed dead code, fixed SPI clock rate, removed unneeded delays

2 files changed with 1 insertions and 36 deletions:

main.c

spi.c

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main.c

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@@ @@ -164,7 +164,6 @@ void update_temp() { @@
     // Assert CS
     HAL_GPIO_WritePin(MAX_CS, 0);
     HAL_Delay(100);
     uint8_t rxdatah[1] = {0x00};
     uint8_t rxdatal[1] = {0x00};
@@ @@ -173,7 +172,6 @@ void update_temp() { @@
     HAL_SPI_Receive(&hspi1, rxdatal, 1, 100);
     // Release CS
     HAL_Delay(1);
     HAL_GPIO_WritePin(MAX_CS, 1);
     // Assemble data array into one var

spi.c

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@@ @@ -12,7 +12,7 @@ void init_spi() @@
     hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
     hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
     hspi1.Init.NSS = SPI_NSS_SOFT;
-    hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
+    hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
     hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
     hspi1.Init.TIMode = SPI_TIMODE_DISABLED;
     hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
@@ @@ -20,37 +20,4 @@ void init_spi() @@
     HAL_SPI_Init(&hspi1);
+}
     /* OLD:
         SPI_InitTypeDef  SPI_InitStructure;
     // OLED IC
     SPI_Cmd(SPI1, DISABLE);
     SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
     SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
     SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
     SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
     SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
     SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
     SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
     SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
     SPI_InitStructure.SPI_CRCPolynomial = 7;
     SPI_Init(SPI1, &SPI_InitStructure);
     SPI_Cmd(SPI1, ENABLE);
     // MAX IC
     SPI_Cmd(SPI2, DISABLE);
     SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
     SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
     SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b; // Andysworkshop
     SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; // From andysworkshop
     SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; // same
     SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
     SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
     SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
     SPI_InitStructure.SPI_CRCPolynomial = 7;
     SPI_Init(SPI2, &SPI_InitStructure);
     SPI_Cmd(SPI2, ENABLE);
     */
 // vim:softtabstop=4 shiftwidth=4 expandtab

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