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-rw-r--r--self-test/short-test.c205
1 files changed, 0 insertions, 205 deletions
diff --git a/self-test/short-test.c b/self-test/short-test.c
deleted file mode 100644
index 27b8e7a..0000000
--- a/self-test/short-test.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Test code that just sends the letters 'a' to 'z' over and
- * over again using USART2.
- *
- * Toggles the BLUE LED slowly and the RED LED for every
- * character sent.
- */
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-#include "stm-uart.h"
-
-void test_for_shorts(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins);
-
-//------------------------------------------------------------------------------
-// Defines
-//------------------------------------------------------------------------------
-
-
-//------------------------------------------------------------------------------
-// Macros
-//------------------------------------------------------------------------------
-
-/* These are all the pins used by the FMC interface */
-#define GPIOB_PINS (GPIO_PIN_7)
-
-#define GPIOD_PINS (GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \
- |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15 \
- |GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4 \
- |GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7)
-
-#define GPIOE_PINS (GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7 \
- |GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \
- |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15)
-
-#define GPIOF_PINS (GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 \
- |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_13 \
- |GPIO_PIN_14|GPIO_PIN_15)
-
-#define GPIOG_PINS (GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 \
- |GPIO_PIN_4|GPIO_PIN_5)
-
-#define GPIOH_PINS (GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \
- |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15)
-
-#define GPIOI_PINS (GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1 \
- |GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_6|GPIO_PIN_7)
-
-int
-main()
-{
- stm_init();
-
- // enable gpio clocks
- __GPIOA_CLK_ENABLE();
- __GPIOB_CLK_ENABLE();
- __GPIOD_CLK_ENABLE();
- __GPIOE_CLK_ENABLE();
- __GPIOF_CLK_ENABLE();
- __GPIOG_CLK_ENABLE();
- __GPIOH_CLK_ENABLE();
- __GPIOI_CLK_ENABLE();
-
- while (1) {
- HAL_GPIO_TogglePin(LED_PORT, LED_GREEN);
- uart_send_string("\r\n\r\n\r\n\r\n\r\n");
-
- test_for_shorts('B', GPIOB, GPIOB_PINS);
- test_for_shorts('D', GPIOD, GPIOD_PINS);
- test_for_shorts('E', GPIOE, GPIOE_PINS);
- test_for_shorts('F', GPIOF, GPIOF_PINS);
- test_for_shorts('G', GPIOG, GPIOG_PINS);
- test_for_shorts('H', GPIOH, GPIOH_PINS);
- test_for_shorts('I', GPIOI, GPIOI_PINS);
- led_toggle(LED_BLUE);
- HAL_Delay(2000);
- }
-}
-
-void configure_all_as_input(GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
-
- /* Configure all pins as input. XXX do all pins (0xffff) instead of just GPIO_Test_Pins? */
- GPIO_InitStruct.Pin = GPIO_Test_Pins;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_PULLDOWN;
- GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
- HAL_GPIO_Init(GPIOx, &GPIO_InitStruct);
-}
-
-uint8_t check_no_input(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins, char wrote_port, uint16_t wrote_value)
-{
- uint16_t read;
-
- /* Read all pins from port at once. XXX check all pins, not just GPIO_Test_Pins? */
- read = (GPIOx->IDR & GPIO_Test_Pins);
-
- if (! read) {
- /* No unexpected pins read as HIGH */
- return 0;
- }
-
- led_on(LED_RED);
-
- uart_send_string("Wrote ");
- uart_send_binary(wrote_value, 16);
-
- uart_send_string(" to port GPIO");
- uart_send_char(wrote_port);
-
- uart_send_string(", read ");
- uart_send_binary(read, 16);
-
- uart_send_string(" from GPIO");
- uart_send_char(port);
-
- uart_send_string("\r\n");
-
- return 1;
-}
-
-void test_for_shorts(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
- uint16_t i, fail = 0, Test_Pin, read;
-
- configure_all_as_input(GPIOB, GPIOB_PINS);
- configure_all_as_input(GPIOD, GPIOD_PINS);
- configure_all_as_input(GPIOE, GPIOE_PINS);
- configure_all_as_input(GPIOF, GPIOF_PINS);
- configure_all_as_input(GPIOG, GPIOG_PINS);
- configure_all_as_input(GPIOH, GPIOH_PINS);
- configure_all_as_input(GPIOI, GPIOI_PINS);
-
- check_no_input('B', GPIOB, GPIOB_PINS, 'x', 0);
- check_no_input('D', GPIOD, GPIOD_PINS, 'x', 0);
- check_no_input('E', GPIOE, GPIOE_PINS, 'x', 0);
- check_no_input('F', GPIOF, GPIOF_PINS, 'x', 0);
- check_no_input('G', GPIOG, GPIOG_PINS, 'x', 0);
- check_no_input('H', GPIOH, GPIOH_PINS, 'x', 0);
- check_no_input('I', GPIOI, GPIOI_PINS, 'x', 0);
-
- for (i = 0; i < 31; i++) {
- Test_Pin = 1 << i;
- if (! (GPIO_Test_Pins & Test_Pin)) continue;
-
- configure_all_as_input(GPIOx, GPIO_Test_Pins);
-
- /* Change one pin to output */
- GPIO_InitStruct.Pin = Test_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_PULLDOWN;
- GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
- HAL_GPIO_Init(GPIOx, &GPIO_InitStruct);
-
- HAL_GPIO_WritePin(GPIOx, Test_Pin, GPIO_PIN_SET);
-
- /* Slight delay after setting the output pin. Without this, the Test_Pin
- bit might read as zero, as it is only sampled once every AHB1 clock cycle.
- Reference manual DM00031020 section 8.3.1.
- */
- HAL_Delay(1);
-
- /* Read all input GPIOs from port at once. XXX check all pins, not just GPIO_Test_Pins? */
- read = GPIOx->IDR & GPIO_Test_Pins;
-
- if (read == Test_Pin) {
- /* No unexpected pins read as HIGH */
- led_toggle(LED_GREEN);
- } else {
- led_on(LED_RED);
- uart_send_string("GPIO");
- uart_send_char(port);
-
- uart_send_string(" exp ");
- uart_send_binary(Test_Pin, 16);
-
- uart_send_string(" got ");
- uart_send_binary(read, 16);
-
- uart_send_string(" diff ");
- uart_send_binary(read ^ Test_Pin, 16);
-
- uart_send_string("\r\n");
-
- fail++;
- }
-
- /* Check there is no input on any of the other GPIO ports (adjacent pins might live on different ports) */
- if (port != 'B') fail += check_no_input('B', GPIOB, GPIOB_PINS, port, Test_Pin);
- if (port != 'D') fail += check_no_input('D', GPIOD, GPIOD_PINS, port, Test_Pin);
- if (port != 'E') fail += check_no_input('E', GPIOE, GPIOE_PINS, port, Test_Pin);
- if (port != 'F') fail += check_no_input('F', GPIOF, GPIOF_PINS, port, Test_Pin);
- if (port != 'G') fail += check_no_input('G', GPIOG, GPIOG_PINS, port, Test_Pin);
- if (port != 'H') fail += check_no_input('H', GPIOH, GPIOH_PINS, port, Test_Pin);
- if (port != 'I') fail += check_no_input('I', GPIOI, GPIOI_PINS, port, Test_Pin);
-
- HAL_GPIO_WritePin(GPIOx, Test_Pin, GPIO_PIN_RESET);
- }
-
- if (fail) {
- uart_send_string("\r\n");
- }
-}
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