diff options
Diffstat (limited to 'nuttx/configs/teensy31/src/up_leds.c')
| -rw-r--r-- | nuttx/configs/teensy31/src/up_leds.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/nuttx/configs/teensy31/src/up_leds.c b/nuttx/configs/teensy31/src/up_leds.c index 80a5aac50..eef244b9a 100644 --- a/nuttx/configs/teensy31/src/up_leds.c +++ b/nuttx/configs/teensy31/src/up_leds.c @@ -95,20 +95,35 @@ #define PORT_PCR_DSE ((uint32_t)0x00000040) // Drive Strength Enable #define PORT_PCR_MUX(n) ((uint32_t)(((n) & 7) << 8)) // Pin Mux Control +#define SIM_SCGC5 (*(volatile uint32_t *)0x40048038) // System Clock Gating Control Register 5 +#define PORTC_PCR5 (*(volatile uint32_t *)0x4004B014) // Pin Control Register n +#define GPIOC_PDOR (*(volatile uint32_t *)0x400FF080) // Port Data Output Register +#define GPIOC_PSOR (*(volatile uint32_t *)0x400FF084) // Port Set Output Register +#define GPIOC_PCOR (*(volatile uint32_t *)0x400FF088) // Port Clear Output Register +#define GPIOC_PTOR (*(volatile uint32_t *)0x400FF08C) // Port Toggle Output Register +#define GPIOC_PDIR (*(volatile uint32_t *)0x400FF090) // Port Data Input Register +#define GPIOC_PDDR (*(volatile uint32_t *)0x400FF094) // Port Data Direction Register + +#define PORT_PCR_SRE ((uint32_t)0x00000004) // Slew Rate Enable +#define PORT_PCR_DSE ((uint32_t)0x00000040) // Drive Strength Enable +#define PORT_PCR_MUX(n) ((uint32_t)(((n) & 7) << 8)) // Pin Mux Control + + + + #ifdef CONFIG_ARCH_LEDS void board_led_initialize(void) { - //kinetis_pinconfig(GPIO_LED0); - //kinetis_gpiowrite(GPIO_LED0, true); + + + kinetis_pinconfig(GPIO_LED0); //kinetis_pinconfig(PIN_PORTC | PIN5 | GPIO_OUTPUT | GPIO_HIGHDRIVE); - PORTC_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); // set to gpio - GPIOC_PDDR |= (1 << 5); // set to output - GPIOC_PSOR |= (1 << 5); // set high - while(1) { - - } + //SIM_SCGC5 = 0x00043F82; // clocks active to all GPIO + //PORTC_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); // set to gpio + //GPIOC_PDDR |= (1 << 5); // set to output + //GPIOC_PSOR |= (1 << 5); // set high } /**************************************************************************** @@ -117,7 +132,7 @@ void board_led_initialize(void) void board_led_on(int led) { - //kinetis_gpiowrite(GPIO_LED0, true); + kinetis_gpiowrite(GPIO_LED0, true); } /**************************************************************************** @@ -126,7 +141,7 @@ void board_led_on(int led) void board_led_off(int led) { - //kinetis_gpiowrite(GPIO_LED0, true); + kinetis_gpiowrite(GPIO_LED0, false); } #endif /* CONFIG_ARCH_LEDS */ |