From 8c7b98a4cbd9848dbd029e02f367ef7b1289044a Mon Sep 17 00:00:00 2001 From: Karl Palsson Date: Fri, 4 Nov 2011 00:54:01 +0000 Subject: [PATCH] blinking LEDs via stlink also works --- src/test_sg.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/src/test_sg.c b/src/test_sg.c index 19a2ef5..899efc3 100644 --- a/src/test_sg.c +++ b/src/test_sg.c @@ -78,7 +78,7 @@ int main(int argc, char *argv[]) { stlink_read_mem32(sl, 0x4001100c, 4); DD(sl, "GPIOC_ODR = 0x%08x", read_uint32(sl->q_buf, 0)); #endif -#if 0 +#if 1 // happy new year 2011: let blink all the leds // see "RM0041 Reference manual - STM32F100xx advanced ARM-based 32-bit MCUs" @@ -89,23 +89,23 @@ int main(int argc, char *argv[]) { #define LED_GREEN (1<<9) // pin 9 stlink_read_mem32(sl, GPIOC_CRH, 4); uint32_t io_conf = read_uint32(sl->q_buf, 0); - DD(sl, "GPIOC_CRH = 0x%08x", io_conf); + DLOG("GPIOC_CRH = 0x%08x\n", io_conf); // set: general purpose output push-pull, output mode, max speed 10 MHz. write_uint32(sl->q_buf, 0x44444411); stlink_write_mem32(sl, GPIOC_CRH, 4); - clear_buf(sl); + memset(sl->q_buf, 0, sizeof(sl->q_buf)); for (int i = 0; i < 100; i++) { write_uint32(sl->q_buf, LED_BLUE | LED_GREEN); stlink_write_mem32(sl, GPIOC_ODR, 4); /* stlink_read_mem32(sl, 0x4001100c, 4); */ /* DD(sl, "GPIOC_ODR = 0x%08x", read_uint32(sl->q_buf, 0)); */ - delay(100); + usleep(100 * 1000); - clear_buf(sl); + memset(sl->q_buf, 0, sizeof(sl->q_buf)); stlink_write_mem32(sl, GPIOC_ODR, 4); // PC lo - delay(100); + usleep(100 * 1000); } write_uint32(sl->q_buf, io_conf); // set old state @@ -126,7 +126,7 @@ int main(int argc, char *argv[]) { stlink_read_mem32(sl, 0x08000c00, 256); stlink_read_mem32(sl, 0x08000c00, 256); #endif -#if 1 +#if 0 // sram 0x20000000 8kB fputs("\n++++++++++ read/write 8bit, sram at 0x2000 0000 ++++++++++++++++\n\n", stderr); memset(sl->q_buf, 0, sizeof(sl->q_buf)); -- 2.47.2