Merge pull request #30 from Hyungsin/hamilton-board

maximize spi speed for hamilton
hamilton-mote · Oct 12, 2017 · db45ef2 · db45ef2
2 parents 3625baa + 8f74338
commit db45ef2
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/boards/hamilton/include/board.h b/boards/hamilton/include/board.h
@@ -67,14 +67,14 @@ extern "C" {
   */
 #if CLOCK_USE_OSCULP32_DFLL
 #define AT86RF2XX_PARAMS_BOARD      {.spi = SPI_DEV(0), \
-                                     .spi_clk = SPI_CLK_5MHZ, \
+                                     .spi_clk = SPI_CLK_8MHZ, \
                                      .cs_pin = GPIO_PIN(PB, 31), \
                                      .int_pin = GPIO_PIN(PB, 0), \
                                      .sleep_pin = GPIO_PIN(PA, 20), \
                                      .reset_pin = GPIO_PIN(PB, 15)}
 #else
 #define AT86RF2XX_PARAMS_BOARD      {.spi = SPI_DEV(0), \
-                                     .spi_clk = SPI_CLK_1MHZ, \
+                                     .spi_clk = SPI_CLK_4MHZ, \
                                      .cs_pin = GPIO_PIN(PB, 31), \
                                      .int_pin = GPIO_PIN(PB, 0), \
                                      .sleep_pin = GPIO_PIN(PA, 20), \

diff --git a/cpu/sam0_common/include/periph_cpu_common.h b/cpu/sam0_common/include/periph_cpu_common.h
@@ -158,7 +158,9 @@ typedef enum {
     SPI_CLK_100KHZ =   100000U, /**< drive the SPI bus with 100KHz */
     SPI_CLK_400KHZ =   400000U, /**< drive the SPI bus with 400KHz */
     SPI_CLK_1MHZ   =  1000000U, /**< drive the SPI bus with 1MHz */
+    SPI_CLK_4MHZ   =  4000000U, /**< drive the SPI bus with 4MHz */
     SPI_CLK_5MHZ   =  5000000U, /**< drive the SPI bus with 5MHz */
+    SPI_CLK_8MHZ   =  8000000U, /**< drive the SPI bus with 8MHz */
     SPI_CLK_10MHZ  = 10000000U  /**< drive the SPI bus with 10MHz */
 } spi_clk_t;
 /** @} */