From f9d0eb3f3154f98abb0c8952d7171f3e7d3de9b2 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Thu, 18 Apr 2013 16:15:52 -0500 Subject: altos/lpc: Get 100Hz timer running Use systick, which is built into the ARM core Signed-off-by: Keith Packard --- src/lpc/ao_led_lpc.c | 5 +++-- src/lpc/ao_timer_lpc.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'src/lpc') diff --git a/src/lpc/ao_led_lpc.c b/src/lpc/ao_led_lpc.c index 098dad6b..7bef51ba 100644 --- a/src/lpc/ao_led_lpc.c +++ b/src/lpc/ao_led_lpc.c @@ -22,13 +22,13 @@ __pdata uint16_t ao_led_enable; void ao_led_on(uint16_t colors) { - lpc_gpio.pin[LED_PORT] = 0xffffffff; + lpc_gpio.pin[LED_PORT] |= colors; } void ao_led_off(uint16_t colors) { - lpc_gpio.pin[LED_PORT] = 0; + lpc_gpio.pin[LED_PORT] &= ~colors; } void @@ -44,6 +44,7 @@ ao_led_set(uint16_t colors) void ao_led_toggle(uint16_t colors) { + lpc_gpio.pin[LED_PORT] ^= colors; } void diff --git a/src/lpc/ao_timer_lpc.c b/src/lpc/ao_timer_lpc.c index aa796acf..51e82525 100644 --- a/src/lpc/ao_timer_lpc.c +++ b/src/lpc/ao_timer_lpc.c @@ -61,7 +61,7 @@ ao_timer_set_adc_interval(uint8_t interval) } #endif -#define SYSTICK_RELOAD ((AO_LPC_CLKOUT / 2) / 100 - 1) +#define SYSTICK_RELOAD ((AO_LPC_SYSCLK / 2) / 100 - 1) /* Initialize our 100Hz clock */ void -- cgit v1.2.3